diff options
| author | Tom Rini <trini@konsulko.com> | 2022-04-06 09:21:25 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-25 16:04:05 -0400 |
| commit | 11232139e399e70641410356ae6b278113d90f16 (patch) | |
| tree | 9c3dd5ad6eec3fc3af2f9ac6c0e14f99122c4394 /arch | |
| parent | 8cfac237b9814d52c843e939a05fc211ba3906de (diff) | |
| download | u-boot-11232139e399e70641410356ae6b278113d90f16.zip u-boot-11232139e399e70641410356ae6b278113d90f16.tar.gz u-boot-11232139e399e70641410356ae6b278113d90f16.tar.bz2 | |
nds32: Remove the architectureWIP/25Apr2022
As removal of nds32 has been ack'd for the Linux kernel, remove support
here as well.
Cc: Rick Chen <rick@andestech.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Diffstat (limited to 'arch')
52 files changed, 3 insertions, 4289 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index c3e9f9a..12de8a1 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1,5 +1,5 @@ config ARCH_MAP_SYSMEM - depends on SANDBOX || NDS32 + depends on SANDBOX def_bool y config CREATE_ARCH_SYMLINK @@ -87,10 +87,6 @@ config MIPS select SUPPORT_OF_CONTROL select SPL_SEPARATE_BSS if SPL -config NDS32 - bool "NDS32 architecture" - select SUPPORT_OF_CONTROL - config NIOS2 bool "Nios II architecture" select CPU @@ -382,7 +378,7 @@ config SYS_IMMR config SKIP_LOWLEVEL_INIT bool "Skip the calls to certain low level initialization functions" - depends on ARM || NDS32 || MIPS || RISCV + depends on ARM || MIPS || RISCV help If enabled, then certain low level initializations (like setting up the memory controller) are omitted and/or U-Boot does not relocate @@ -393,7 +389,7 @@ config SKIP_LOWLEVEL_INIT config SPL_SKIP_LOWLEVEL_INIT bool "Skip the calls to certain low level initialization functions" - depends on SPL && (ARM || NDS32 || MIPS || RISCV) + depends on SPL && (ARM || MIPS || RISCV) help If enabled, then certain low level initializations (like setting up the memory controller) are omitted and/or U-Boot does not relocate @@ -442,7 +438,6 @@ source "arch/arm/Kconfig" source "arch/m68k/Kconfig" source "arch/microblaze/Kconfig" source "arch/mips/Kconfig" -source "arch/nds32/Kconfig" source "arch/nios2/Kconfig" source "arch/powerpc/Kconfig" source "arch/sandbox/Kconfig" diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig deleted file mode 100644 index 4353337..0000000 --- a/arch/nds32/Kconfig +++ /dev/null @@ -1,46 +0,0 @@ -menu "NDS32 architecture" - depends on NDS32 - -config SYS_ARCH - default "nds32" - -choice - prompt "Target select" - optional - -config TARGET_ADP_AG101P - bool "Support adp-ag101p" - -config TARGET_ADP_AE3XX - bool "Support adp-ae3xx" - -endchoice - -config SYS_ICACHE_OFF - bool "Do not enable icache" - help - Do not enable instruction cache in U-Boot. - -config SPL_SYS_ICACHE_OFF - bool "Do not enable icache in SPL" - depends on SPL - default SYS_ICACHE_OFF - help - Do not enable instruction cache in SPL. - -config SYS_DCACHE_OFF - bool "Do not enable dcache" - help - Do not enable data cache in U-Boot. - -config SPL_SYS_DCACHE_OFF - bool "Do not enable dcache in SPL" - depends on SPL - default SYS_DCACHE_OFF - help - Do not enable data cache in SPL. - -source "board/AndesTech/adp-ag101p/Kconfig" -source "board/AndesTech/adp-ae3xx/Kconfig" - -endmenu diff --git a/arch/nds32/Makefile b/arch/nds32/Makefile deleted file mode 100644 index e9980e8..0000000 --- a/arch/nds32/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ - -head-y := arch/nds32/cpu/$(CPU)/start.o - -libs-y += arch/nds32/cpu/$(CPU)/ -libs-y += arch/nds32/lib/ diff --git a/arch/nds32/config.mk b/arch/nds32/config.mk deleted file mode 100644 index c82dd69..0000000 --- a/arch/nds32/config.mk +++ /dev/null @@ -1,18 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2000-2002 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2011 -# Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> -# Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> -# - -CONFIG_STANDALONE_LOAD_ADDR = 0x300000 -LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/nds32.lds - -PLATFORM_RELFLAGS += -fno-common -mrelax -mno-ext-fpu-dp -mfloat-abi=soft -PLATFORM_RELFLAGS += -gdwarf-2 -PLATFORM_CPPFLAGS += -D__nds32__ -ffixed-10 -fpie -mcmodel=large - -LDFLAGS_u-boot = --gc-sections --relax -pie --mabi=AABI diff --git a/arch/nds32/cpu/n1213/Makefile b/arch/nds32/cpu/n1213/Makefile deleted file mode 100644 index 0b8ce7b..0000000 --- a/arch/nds32/cpu/n1213/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# Copyright (C) 2011 Andes Technology Corporation -# Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> -# Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - -extra-y = start.o - -obj-$(if $(filter ag101,$(SOC)),y) += ag101/ -obj-$(if $(filter ae3xx,$(SOC)),y) += ae3xx/ diff --git a/arch/nds32/cpu/n1213/ae3xx/Makefile b/arch/nds32/cpu/n1213/ae3xx/Makefile deleted file mode 100644 index 721a9ff..0000000 --- a/arch/nds32/cpu/n1213/ae3xx/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2009 -# Marvell Semiconductor <www.marvell.com> -# Written-by: Prafulla Wadaskar <prafulla@marvell.com> -# -# Copyright (C) 2011 Andes Technology Corporation -# Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> -# Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - -obj-y := cpu.o timer.o -obj-y += lowlevel_init.o - -ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG -obj-y += watchdog.o -endif diff --git a/arch/nds32/cpu/n1213/ae3xx/cpu.c b/arch/nds32/cpu/n1213/ae3xx/cpu.c deleted file mode 100644 index c3efa31..0000000 --- a/arch/nds32/cpu/n1213/ae3xx/cpu.c +++ /dev/null @@ -1,46 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -/* CPU specific code */ -#include <common.h> -#include <command.h> -#include <cpu_func.h> -#include <irq_func.h> -#include <watchdog.h> -#include <asm/cache.h> - -#include <faraday/ftwdt010_wdt.h> - -/* - * cleanup_before_linux() is called just before we call linux - * it prepares the processor for linux - * - * we disable interrupt and caches. - */ -int cleanup_before_linux(void) -{ - disable_interrupts(); - - /* turn off I/D-cache */ - cache_flush(); - icache_disable(); - dcache_disable(); - return 0; -} - -int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) -{ - disable_interrupts(); - panic("AE3XX wdt not support yet.\n"); -} diff --git a/arch/nds32/cpu/n1213/ae3xx/lowlevel_init.S b/arch/nds32/cpu/n1213/ae3xx/lowlevel_init.S deleted file mode 100644 index d1c5b87..0000000 --- a/arch/nds32/cpu/n1213/ae3xx/lowlevel_init.S +++ /dev/null @@ -1,147 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -.pic - -.text - -#include <common.h> -#include <config.h> - -#include <asm/macro.h> -#include <generated/asm-offsets.h> - -/* - * parameters for the SDRAM controller - */ -#define SDMC_TP1_A (CONFIG_FTSDMC021_BASE + FTSDMC021_TP1) -#define SDMC_TP2_A (CONFIG_FTSDMC021_BASE + FTSDMC021_TP2) -#define SDMC_CR1_A (CONFIG_FTSDMC021_BASE + FTSDMC021_CR1) -#define SDMC_CR2_A (CONFIG_FTSDMC021_BASE + FTSDMC021_CR2) -#define SDMC_B0_BSR_A (CONFIG_FTSDMC021_BASE + FTSDMC021_BANK0_BSR) -#define SDMC_B1_BSR_A (CONFIG_FTSDMC021_BASE + FTSDMC021_BANK1_BSR) - -#define SDMC_TP1_D CONFIG_SYS_FTSDMC021_TP1 -#define SDMC_TP2_D CONFIG_SYS_FTSDMC021_TP2 -#define SDMC_CR1_D CONFIG_SYS_FTSDMC021_CR1 -#define SDMC_CR2_D CONFIG_SYS_FTSDMC021_CR2 - -#define SDMC_B0_BSR_D CONFIG_SYS_FTSDMC021_BANK0_BSR -#define SDMC_B1_BSR_D CONFIG_SYS_FTSDMC021_BANK1_BSR - - -/* - * for Orca and Emerald - */ -#define BOARD_ID_REG 0x104 -#define BOARD_ID_FAMILY_MASK 0xfff000 -#define BOARD_ID_FAMILY_V5 0x556000 -#define BOARD_ID_FAMILY_K7 0x74b000 - -/* - * parameters for the static memory controller - */ -#define SMC_BANK0_CR_A (CONFIG_FTSMC020_BASE + FTSMC020_BANK0_CR) -#define SMC_BANK0_TPR_A (CONFIG_FTSMC020_BASE + FTSMC020_BANK0_TPR) - -#define SMC_BANK0_CR_D FTSMC020_BANK0_LOWLV_CONFIG -#define SMC_BANK0_TPR_D FTSMC020_BANK0_LOWLV_TIMING - -/* - * for Orca and Emerald - */ -#define AHBC_BSR4_A (CONFIG_FTAHBC020S_BASE + FTAHBC020S_SLAVE_BSR_4) -#define AHBC_BSR6_D CONFIG_SYS_FTAHBC020S_SLAVE_BSR_6 - -/* - * parameters for the pmu controoler - */ -#define PMU_PDLLCR0_A (CONFIG_FTPMU010_BASE + FTPMU010_PDLLCR0) - -/* - * numeric 7 segment display - */ -.macro led, num - write32 CONFIG_DEBUG_LED, \num -.endm - -/* - * Waiting for SDRAM to set up - */ -.macro wait_sdram - li $r0, CONFIG_FTSDMC021_BASE -1: - lwi $r1, [$r0+FTSDMC021_CR2] - bnez $r1, 1b -.endm - -.globl mem_init -mem_init: - move $r11, $lp - li $r0, SMC_BANK0_CR_A - lwi $r1, [$r0+#0x00] - ori $r1, $r1, 0x8f0 - xori $r1, $r1, 0x8f0 - /* 16-bit mode */ - ori $r1, $r1, 0x60 - li $r2, 0x00153153 - swi $r1, [$r0+#0x00] - swi $r2, [$r0+#0x04] - move $lp, $r11 - ret - -#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) -.globl lowlevel_init -lowlevel_init: - move $r10, $lp - jal remap - -#if (defined(NDS32_EXT_FPU_DP) || defined(NDS32_EXT_FPU_SP)) - jal enable_fpu -#endif - ret $r10 - -remap: - move $r11, $lp -relo_base: - mfusr $r0, $pc - -#ifdef CONFIG_MEM_REMAP - li $r4, 0x00000000 - li $r5, 0x80000000 - la $r6, _end@GOTOFF -1: - lmw.bim $r12, [$r5], $r19 - smw.bim $r12, [$r4], $r19 - blt $r5, $r6, 1b -#endif /* #ifdef CONFIG_MEM_REMAP */ - move $lp, $r11 -2: - ret - - /* - * enable_fpu: - * Some of Andes CPU version support FPU coprocessor, if so, - * and toolchain support FPU instruction set, we should enable it. - */ -#if (defined(NDS32_EXT_FPU_DP) || defined(NDS32_EXT_FPU_SP)) -enable_fpu: - mfsr $r0, $CPU_VER /* enable FPU if it exists */ - srli $r0, $r0, 3 - andi $r0, $r0, 1 - beqz $r0, 1f /* skip if no COP */ - mfsr $r0, $FUCOP_EXIST - srli $r0, $r0, 31 - beqz $r0, 1f /* skip if no FPU */ - mfsr $r0, $FUCOP_CTL - ori $r0, $r0, 1 - mtsr $r0, $FUCOP_CTL -1: - ret -#endif - -#endif /* #if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) */ diff --git a/arch/nds32/cpu/n1213/ae3xx/timer.c b/arch/nds32/cpu/n1213/ae3xx/timer.c deleted file mode 100644 index 23cc767..0000000 --- a/arch/nds32/cpu/n1213/ae3xx/timer.c +++ /dev/null @@ -1,15 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2009 Faraday Technology - * Po-Yu Chuang <ratbert@faraday-tech.com> - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ -#ifndef CONFIG_TIMER -#include <common.h> -#include <asm/io.h> -#include <faraday/fttmr010.h> -#error "AE3XX timer only support DM flow" -#endif /* CONFIG_TIMER */ diff --git a/arch/nds32/cpu/n1213/ae3xx/watchdog.S b/arch/nds32/cpu/n1213/ae3xx/watchdog.S deleted file mode 100644 index e46bcfb..0000000 --- a/arch/nds32/cpu/n1213/ae3xx/watchdog.S +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#include <asm/arch-ag101/ag101.h> -#include <linux/linkage.h> - -.text - -#ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG -ENTRY(turnoff_watchdog) -#error "AE3XX not support wdt yet" -ENDPROC(turnoff_watchdog) -#endif diff --git a/arch/nds32/cpu/n1213/ag101/Makefile b/arch/nds32/cpu/n1213/ag101/Makefile deleted file mode 100644 index 721a9ff..0000000 --- a/arch/nds32/cpu/n1213/ag101/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2009 -# Marvell Semiconductor <www.marvell.com> -# Written-by: Prafulla Wadaskar <prafulla@marvell.com> -# -# Copyright (C) 2011 Andes Technology Corporation -# Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> -# Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - -obj-y := cpu.o timer.o -obj-y += lowlevel_init.o - -ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG -obj-y += watchdog.o -endif diff --git a/arch/nds32/cpu/n1213/ag101/cpu.c b/arch/nds32/cpu/n1213/ag101/cpu.c deleted file mode 100644 index 91c3574..0000000 --- a/arch/nds32/cpu/n1213/ag101/cpu.c +++ /dev/null @@ -1,63 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -/* CPU specific code */ -#include <common.h> -#include <command.h> -#include <cpu_func.h> -#include <irq_func.h> -#include <watchdog.h> -#include <asm/cache.h> - -#include <faraday/ftwdt010_wdt.h> - -/* - * cleanup_before_linux() is called just before we call linux - * it prepares the processor for linux - * - * we disable interrupt and caches. - */ -int cleanup_before_linux(void) -{ - disable_interrupts(); - - /* turn off I/D-cache */ - cache_flush(); - icache_disable(); - dcache_disable(); - return 0; -} - -int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) -{ - disable_interrupts(); - - /* - * reset to the base addr of andesboot. - * currently no ROM loader at addr 0. - * do not use reset_cpu(); - */ -#ifdef CONFIG_FTWDT010_WATCHDOG - /* - * workaround: if we use CONFIG_HW_WATCHDOG with ftwdt010, will lead - * automatic hardware reset when booting Linux. - * Please do not use CONFIG_HW_WATCHDOG and WATCHDOG_RESET() here. - */ - ftwdt010_wdt_reset(); - while (1) - ; -#endif /* CONFIG_FTWDT010_WATCHDOG */ - - /*NOTREACHED*/ -} diff --git a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S b/arch/nds32/cpu/n1213/ag101/lowlevel_init.S deleted file mode 100644 index c423b38..0000000 --- a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S +++ /dev/null @@ -1,317 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -.pic - -.text - -#include <common.h> -#include <config.h> - -#include <asm/macro.h> -#include <generated/asm-offsets.h> - -/* - * parameters for the SDRAM controller - */ -#define SDMC_TP1_A (CONFIG_FTSDMC021_BASE + FTSDMC021_TP1) -#define SDMC_TP2_A (CONFIG_FTSDMC021_BASE + FTSDMC021_TP2) -#define SDMC_CR1_A (CONFIG_FTSDMC021_BASE + FTSDMC021_CR1) -#define SDMC_CR2_A (CONFIG_FTSDMC021_BASE + FTSDMC021_CR2) -#define SDMC_B0_BSR_A (CONFIG_FTSDMC021_BASE + FTSDMC021_BANK0_BSR) -#define SDMC_B1_BSR_A (CONFIG_FTSDMC021_BASE + FTSDMC021_BANK1_BSR) - -#define SDMC_TP1_D CONFIG_SYS_FTSDMC021_TP1 -#define SDMC_TP2_D CONFIG_SYS_FTSDMC021_TP2 -#define SDMC_CR1_D CONFIG_SYS_FTSDMC021_CR1 -#define SDMC_CR2_D CONFIG_SYS_FTSDMC021_CR2 - -#define SDMC_B0_BSR_D CONFIG_SYS_FTSDMC021_BANK0_BSR -#define SDMC_B1_BSR_D CONFIG_SYS_FTSDMC021_BANK1_BSR - - -/* - * for Orca and Emerald - */ -#define BOARD_ID_REG 0x104 -#define BOARD_ID_FAMILY_MASK 0xfff000 -#define BOARD_ID_FAMILY_V5 0x556000 -#define BOARD_ID_FAMILY_K7 0x74b000 - -/* - * parameters for the static memory controller - */ -#define SMC_BANK0_CR_A (CONFIG_FTSMC020_BASE + FTSMC020_BANK0_CR) -#define SMC_BANK0_TPR_A (CONFIG_FTSMC020_BASE + FTSMC020_BANK0_TPR) - -#define SMC_BANK0_CR_D FTSMC020_BANK0_LOWLV_CONFIG -#define SMC_BANK0_TPR_D FTSMC020_BANK0_LOWLV_TIMING - -/* - * parameters for the ahbc controller - */ -#define AHBC_CR_A (CONFIG_FTAHBC020S_BASE + FTAHBC020S_CR) -#define AHBC_BSR6_A (CONFIG_FTAHBC020S_BASE + FTAHBC020S_SLAVE_BSR_6) - -/* - * for Orca and Emerald - */ -#define AHBC_BSR4_A (CONFIG_FTAHBC020S_BASE + FTAHBC020S_SLAVE_BSR_4) -#define AHBC_BSR6_D CONFIG_SYS_FTAHBC020S_SLAVE_BSR_6 - -/* - * parameters for the pmu controoler - */ -#define PMU_PDLLCR0_A (CONFIG_FTPMU010_BASE + FTPMU010_PDLLCR0) - -/* - * numeric 7 segment display - */ -.macro led, num - write32 CONFIG_DEBUG_LED, \num -.endm - -/* - * Waiting for SDRAM to set up - */ -.macro wait_sdram - li $r0, CONFIG_FTSDMC021_BASE -1: - lwi $r1, [$r0+FTSDMC021_CR2] - bnez $r1, 1b -.endm - -.globl mem_init -mem_init: - move $r11, $lp - - /* - * mem_init: - * There are 2 bank connected to FTSMC020 on AG101 - * BANK0: FLASH/ROM (SW5, J16), BANK1: OnBoard SDRAM. - * we need to set onboard SDRAM before remap and relocation. - */ - led 0x01 - - /* - * for Orca and Emerald - * disable write protection and reset bank size - */ - li $r0, SMC_BANK0_CR_A - lwi $r1, [$r0+#0x00] - ori $r1, $r1, 0x8f0 - xori $r1, $r1, 0x8f0 - /* check board */ - li $r3, CONFIG_FTPMU010_BASE + BOARD_ID_REG - lwi $r3, [$r3] - li $r4, BOARD_ID_FAMILY_MASK - and $r3, $r3, $r4 - li $r4, BOARD_ID_FAMILY_K7 - xor $r4, $r3, $r4 - beqz $r4, use_flash_16bit_boot - /* 32-bit mode */ -use_flash_32bit_boot: - ori $r1, $r1, 0x50 - li $r2, 0x00151151 - j sdram_b0_cr - /* 16-bit mode */ -use_flash_16bit_boot: - ori $r1, $r1, 0x60 - li $r2, 0x00153153 - /* SRAM bank0 config */ -sdram_b0_cr: - swi $r1, [$r0+#0x00] - swi $r2, [$r0+#0x04] - - /* config AHB Controller */ - led 0x02 - - /* - * config PMU controller - */ - /* ftpmu010_dlldis_disable, must do it in lowleve_init */ - led 0x03 - setbf32 PMU_PDLLCR0_A, FTPMU010_PDLLCR0_DLLDIS ! 0x00010000 - - /* - * config SDRAM controller - */ - led 0x04 - write32 SDMC_TP1_A, SDMC_TP1_D ! 0x00011312 - led 0x05 - write32 SDMC_TP2_A, SDMC_TP2_D ! 0x00480180 - led 0x06 - write32 SDMC_CR1_A, SDMC_CR1_D ! 0x00002326 - - led 0x07 - write32 SDMC_CR2_A, FTSDMC021_CR2_IPREC ! 0x00000010 - wait_sdram - - led 0x08 - write32 SDMC_CR2_A, FTSDMC021_CR2_ISMR ! 0x00000004 - wait_sdram - - led 0x09 - write32 SDMC_CR2_A, FTSDMC021_CR2_IREF ! 0x00000008 - wait_sdram - - led 0x0a - move $lp, $r11 - ret - - -#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) - -.globl lowlevel_init -lowlevel_init: - move $r10, $lp - led 0x10 - jal remap -#if (defined(NDS32_EXT_FPU_DP) || defined(NDS32_EXT_FPU_SP)) - led 0x1f - jal enable_fpu -#endif - led 0x20 - ret $r10 - -remap: - move $r11, $lp -#ifdef __NDS32_N1213_43U1H__ /* NDS32 V0 ISA - AG101 Only */ - bal 2f -relo_base: - move $r0, $lp -#else -relo_base: - mfusr $r0, $pc -#endif /* __NDS32_N1213_43U1H__ */ - - /* Remapping */ - led 0x1a - write32 SDMC_B0_BSR_A, SDMC_B0_BSR_D ! 0x00001800 - write32 SDMC_B1_BSR_A, SDMC_B1_BSR_D ! 0x00001880 - - /* clear empty BSR registers */ - led 0x1b - li $r4, CONFIG_FTSDMC021_BASE - li $r5, 0x0 - swi $r5, [$r4 + FTSDMC021_BANK2_BSR] - swi $r5, [$r4 + FTSDMC021_BANK3_BSR] - -#ifdef CONFIG_MEM_REMAP - /* - * Copy ROM code to SDRAM base for memory remap layout. - * This is not the real relocation, the real relocation is the function - * relocate_code() is start.S which supports the systems is memory - * remapped or not. - */ - /* - * Doing memory remap is essential for preparing some non-OS or RTOS - * applications. - * - * This is also a must on ADP-AG101 board. - * The reason is because the ROM/FLASH circuit on PCB board. - * AG101-A0 board has 2 jumpers MA17 and SW5 to configure which - * ROM/FLASH is used to boot. - * - * When SW5 = "0101", MA17 = LO, the ROM is connected to BANK0, - * and the FLASH is connected to BANK1. - * When SW5 = "1010", MA17 = HI, the ROM is disabled (still at BANK0), - * and the FLASH is connected to BANK0. - * It will occur problem when doing flash probing if the flash is at - * BANK0 (0x00000000) while memory remapping was skipped. - * - * Other board like ADP-AG101P may not enable this since there is only - * a FLASH connected to bank0. - */ - led 0x11 - /* - * for Orca and Emerald - * read sdram base address automatically - */ - li $r5, AHBC_BSR6_A - lwi $r8, [$r5] - li $r4, 0xfff00000 /* r4 = bank6 base */ - and $r4, $r4, $r8 - - la $r5, _start@GOTOFF - la $r6, _end@GOTOFF -1: - lwi.p $r7, [$r5], #4 - swi.p $r7, [$r4], #4 - blt $r5, $r6, 1b - - /* set remap bit */ - /* - * MEM remap bit is operational - * - use it to map writeable memory at 0x00000000, in place of flash - * - before remap: flash/rom 0x00000000, sdram: 0x10000000-0x4fffffff - * - after remap: flash/rom 0x80000000, sdram: 0x00000000 - */ - led 0x1c - write32 SDMC_B0_BSR_A, 0x00001000 - write32 SDMC_B1_BSR_A, 0x00001200 - li $r5, CONFIG_SYS_TEXT_BASE /* flash base address */ - add $r11, $r11, $r5 /* add flash address offset for ret */ - add $r10, $r10, $r5 - move $lp, $r11 - setbf15 AHBC_CR_A, FTAHBC020S_CR_REMAP ! 0x1 - - /* - * for Orca and Emerald - * extend sdram size from 256MB to 2GB - */ - li $r5, AHBC_BSR6_A - lwi $r6, [$r5] - li $r4, 0xfff0ffff - and $r6 ,$r4, $r6 - li $r4, 0x000b0000 - or $r6, $r4, $r6 - swi $r6, [$r5] - - /* - * for Orca and Emerald - * extend rom base from 256MB to 2GB - */ - li $r4, AHBC_BSR4_A - lwi $r5, [$r4] - li $r6, 0xffffff - and $r5, $r5, $r6 - li $r6, 0x80000000 - or $r5, $r5, $r6 - swi $r5, [$r4] -#endif /* #ifdef CONFIG_MEM_REMAP */ - move $lp, $r11 -2: - ret - - /* - * enable_fpu: - * Some of Andes CPU version support FPU coprocessor, if so, - * and toolchain support FPU instruction set, we should enable it. - */ -#if (defined(NDS32_EXT_FPU_DP) || defined(NDS32_EXT_FPU_SP)) -enable_fpu: - mfsr $r0, $CPU_VER /* enable FPU if it exists */ - srli $r0, $r0, 3 - andi $r0, $r0, 1 - beqz $r0, 1f /* skip if no COP */ - mfsr $r0, $FUCOP_EXIST - srli $r0, $r0, 31 - beqz $r0, 1f /* skip if no FPU */ - mfsr $r0, $FUCOP_CTL - ori $r0, $r0, 1 - mtsr $r0, $FUCOP_CTL -1: - ret -#endif - -.globl show_led -show_led: - li $r8, (CONFIG_DEBUG_LED) - swi $r7, [$r8] - ret -#endif /* #if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) */ diff --git a/arch/nds32/cpu/n1213/ag101/timer.c b/arch/nds32/cpu/n1213/ag101/timer.c deleted file mode 100644 index f6dcbf1..0000000 --- a/arch/nds32/cpu/n1213/ag101/timer.c +++ /dev/null @@ -1,197 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2009 Faraday Technology - * Po-Yu Chuang <ratbert@faraday-tech.com> - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ -#ifndef CONFIG_TIMER -#include <common.h> -#include <clock_legacy.h> -#include <init.h> -#include <irq_func.h> -#include <log.h> -#include <time.h> -#include <asm/io.h> -#include <faraday/fttmr010.h> -#include <linux/delay.h> - -static ulong timestamp; -static ulong lastdec; - -int timer_init(void) -{ - struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE; - unsigned int cr; - - debug("%s()\n", __func__); - - /* disable timers */ - writel(0, &tmr->cr); - -#ifdef CONFIG_FTTMR010_EXT_CLK - /* use 32768Hz oscillator for RTC, WDT, TIMER */ - ftpmu010_32768osc_enable(); -#endif - - /* setup timer */ - writel(TIMER_LOAD_VAL, &tmr->timer3_load); - writel(TIMER_LOAD_VAL, &tmr->timer3_counter); - writel(0, &tmr->timer3_match1); - writel(0, &tmr->timer3_match2); - - /* we don't want timer to issue interrupts */ - writel(FTTMR010_TM3_MATCH1 | - FTTMR010_TM3_MATCH2 | - FTTMR010_TM3_OVERFLOW, - &tmr->interrupt_mask); - - cr = readl(&tmr->cr); -#ifdef CONFIG_FTTMR010_EXT_CLK - cr |= FTTMR010_TM3_CLOCK; /* use external clock */ -#endif - cr |= FTTMR010_TM3_ENABLE; - writel(cr, &tmr->cr); - - /* init the timestamp and lastdec value */ - reset_timer_masked(); - - return 0; -} - -/* - * timer without interrupts - */ - -/* - * reset time - */ -void reset_timer_masked(void) -{ - struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE; - - /* capure current decrementer value time */ -#ifdef CONFIG_FTTMR010_EXT_CLK - lastdec = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ); -#else - lastdec = readl(&tmr->timer3_counter) / - (get_board_sys_clk() / 2 / CONFIG_SYS_HZ); -#endif - timestamp = 0; /* start "advancing" time stamp from 0 */ - - debug("%s(): lastdec = %lx\n", __func__, lastdec); -} - -void reset_timer(void) -{ - debug("%s()\n", __func__); - reset_timer_masked(); -} - -/* - * return timer ticks - */ -ulong get_timer_masked(void) -{ - struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE; - - /* current tick value */ -#ifdef CONFIG_FTTMR010_EXT_CLK - ulong now = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ); -#else - ulong now = readl(&tmr->timer3_counter) / - (get_board_sys_clk() / 2 / CONFIG_SYS_HZ); -#endif - - debug("%s(): now = %lx, lastdec = %lx\n", __func__, now, lastdec); - - if (lastdec >= now) { - /* - * normal mode (non roll) - * move stamp fordward with absoulte diff ticks - */ - timestamp += lastdec - now; - } else { - /* - * we have overflow of the count down timer - * - * nts = ts + ld + (TLV - now) - * ts=old stamp, ld=time that passed before passing through -1 - * (TLV-now) amount of time after passing though -1 - * nts = new "advancing time stamp"...it could also roll and - * cause problems. - */ - timestamp += lastdec + TIMER_LOAD_VAL - now; - } - - lastdec = now; - - debug("%s() returns %lx\n", __func__, timestamp); - - return timestamp; -} - -/* - * return difference between timer ticks and base - */ -ulong get_timer(ulong base) -{ - debug("%s(%lx)\n", __func__, base); - return get_timer_masked() - base; -} - -void set_timer(ulong t) -{ - debug("%s(%lx)\n", __func__, t); - timestamp = t; -} - -/* delay x useconds AND preserve advance timestamp value */ -void __udelay(unsigned long usec) -{ - struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE; - -#ifdef CONFIG_FTTMR010_EXT_CLK - long tmo = usec * (TIMER_CLOCK / 1000) / 1000; -#else - long tmo = usec * ((get_board_sys_clk() / 2) / 1000) / 1000; -#endif - unsigned long now, last = readl(&tmr->timer3_counter); - - debug("%s(%lu)\n", __func__, usec); - while (tmo > 0) { - now = readl(&tmr->timer3_counter); - if (now > last) /* count down timer overflow */ - tmo -= TIMER_LOAD_VAL + last - now; - else - tmo -= last - now; - last = now; - } -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - debug("%s()\n", __func__); - return get_timer(0); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - debug("%s()\n", __func__); -#ifdef CONFIG_FTTMR010_EXT_CLK - return CONFIG_SYS_HZ; -#else - return get_board_sys_clk(); -#endif -} -#endif /* CONFIG_TIMER */ diff --git a/arch/nds32/cpu/n1213/ag101/watchdog.S b/arch/nds32/cpu/n1213/ag101/watchdog.S deleted file mode 100644 index 8e7399d..0000000 --- a/arch/nds32/cpu/n1213/ag101/watchdog.S +++ /dev/null @@ -1,32 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#include <asm/arch-ag101/ag101.h> -#include <linux/linkage.h> - -.text - -#ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG -ENTRY(turnoff_watchdog) - -#define WD_CR 0xC -#define WD_ENABLE 0x1 - - ! Turn off the watchdog, according to Faraday FTWDT010 spec - li $p0, (CONFIG_FTWDT010_BASE+WD_CR) ! Get the addr of WD CR - lwi $p1, [$p0] ! Get the config of WD - andi $p1, $p1, 0x1f ! Wipe out useless bits - li $r0, ~WD_ENABLE - and $p1, $p1, $r0 ! Set WD disable - sw $p1, [$p0] ! Write back to WD CR - - ! Disable Interrupts by clear GIE in $PSW reg - setgie.d - - ret - -ENDPROC(turnoff_watchdog) -#endif diff --git a/arch/nds32/cpu/n1213/start.S b/arch/nds32/cpu/n1213/start.S deleted file mode 100644 index 93ea5e4..0000000 --- a/arch/nds32/cpu/n1213/start.S +++ /dev/null @@ -1,502 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Andesboot - Startup Code for Whitiger core - * - * Copyright (C) 2006 Andes Technology Corporation - * Copyright (C) 2006 Shawn Lin <nobuhiro@andestech.com> - * Copyright (C) 2011 Macpaul Lin <macpaul@andestech.com> - * Greentime Hu <greentime@andestech.com> - */ - -.pic - -#include <asm-offsets.h> -#include <config.h> -#include <common.h> -#include <asm/macro.h> - -/* - * Jump vector table for EVIC mode - */ -#define ENA_DCAC 2UL -#define DIS_DCAC ~ENA_DCAC -#define ICAC_MEM_KBF_ISET (0x07) ! I Cache sets per way -#define ICAC_MEM_KBF_IWAY (0x07<<3) ! I cache ways -#define ICAC_MEM_KBF_ISZ (0x07<<6) ! I cache line size -#define DCAC_MEM_KBF_DSET (0x07) ! D Cache sets per way -#define DCAC_MEM_KBF_DWAY (0x07<<3) ! D cache ways -#define DCAC_MEM_KBF_DSZ (0x07<<6) ! D cache line size - -#define PSW $ir0 -#define EIT_INTR_PSW $ir1 ! interruption $PSW -#define EIT_PREV_IPSW $ir2 ! previous $IPSW -#define EIT_IVB $ir3 ! intr vector base address -#define EIT_EVA $ir4 ! MMU related Exception VA reg -#define EIT_PREV_EVA $ir5 ! previous $eva -#define EIT_ITYPE $ir6 ! interruption type -#define EIT_PREV_ITYPE $ir7 ! prev intr type -#define EIT_MACH_ERR $ir8 ! machine error log -#define EIT_INTR_PC $ir9 ! Interruption PC -#define EIT_PREV_IPC $ir10 ! previous $IPC -#define EIT_OVL_INTR_PC $ir11 ! overflow interruption PC -#define EIT_PREV_P0 $ir12 ! prev $P0 -#define EIT_PREV_P1 $ir13 ! prev $p1 -#define CR_ICAC_MEM $cr1 ! I-cache/memory config reg -#define CR_DCAC_MEM $cr2 ! D-cache/memory config reg -#define MR_CAC_CTL $mr8 - -.globl _start - -_start: j reset - j tlb_fill - j tlb_not_present - j tlb_misc - j tlb_vlpt_miss - j machine_error - j debug - j general_exception - j syscall - j internal_interrupt ! H0I - j internal_interrupt ! H1I - j internal_interrupt ! H2I - j internal_interrupt ! H3I - j internal_interrupt ! H4I - j internal_interrupt ! H5I - j software_interrupt ! S0I - - .balign 16 - -/* - * Andesboot Startup Code (reset vector) - * - * 1. bootstrap - * 1.1 reset - start of u-boot - * 1.2 to superuser mode - as is when reset - * 1.4 Do lowlevel_init - * - (this will jump out to lowlevel_init.S in SoC) - * - (lowlevel_init) - * 1.3 Turn off watchdog timer - * - (this will jump out to watchdog.S in SoC) - * - (turnoff_watchdog) - * 2. Do critical init when reboot (not from mem) - * 3. Relocate andesboot to ram - * 4. Setup stack - * 5. Jump to second stage (board_init_r) - */ - -/* Note: TEXT_BASE is defined by the (board-dependent) linker script */ -.globl _TEXT_BASE -_TEXT_BASE: - .word CONFIG_SYS_TEXT_BASE - -/* IRQ stack memory (calculated at run-time) + 8 bytes */ -.globl IRQ_STACK_START_IN -IRQ_STACK_START_IN: - .word 0x0badc0de - -/* - * The bootstrap code of nds32 core - */ - -reset: - -/* - * gp = ~0 for burn mode - * = ~load_address for load mode - */ -reset_gp: - .relax_hint 0 - sethi $gp, hi20(_GLOBAL_OFFSET_TABLE_-8) - .relax_hint 0 - ori $gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_-4) - add5.pc $gp - -set_ivb: - li $r0, 0x0 - /* turn on BTB */ - mtsr $r0, $misc_ctl - /* set IVIC, vector size: 4 bytes, base: 0x0 */ - mtsr $r0, $ivb -/* - * MMU_CTL NTC0 Non-cacheable - */ - li $r0, ~0x6 - mfsr $r1, $mr0 - and $r1, $r1, $r0 - mtsr $r1, $mr0 - - li $r0, ~0x3 - mfsr $r1, $mr8 - and $r1, $r1, $r0 - mtsr $r1, $mr8 -#if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) -/* - * MMU_CTL NTC0 Cacheable/Write-Back - */ - li $r0, 0x4 - mfsr $r1, $mr0 - or $r1, $r1, $r0 - mtsr $r1, $mr0 -#endif - -#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) -#ifdef CONFIG_ARCH_MAP_SYSMEM -/* - * MMU_CTL NTC1 Non-cacheable - */ - li $r0, ~0x18 - mfsr $r1, $mr0 - and $r1, $r1, $r0 - mtsr $r1, $mr0 -/* - * MMU_CTL NTM1 mapping for partition 0 - */ - li $r0, ~0x6000 - mfsr $r1, $mr0 - and $r1, $r1, $r0 - mtsr $r1, $mr0 -#endif -#endif - -#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF) - li $r0, 0x1 - mfsr $r1, $mr8 - or $r1, $r1, $r0 - mtsr $r1, $mr8 -#endif - -#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) - li $r0, 0x2 - mfsr $r1, $mr8 - or $r1, $r1, $r0 - mtsr $r1, $mr8 -#endif - - jal mem_init - -#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) - jal lowlevel_init -/* - * gp = ~VMA for burn mode - * = ~load_address for load mode - */ -update_gp: - .relax_hint 0 - sethi $gp, hi20(_GLOBAL_OFFSET_TABLE_-8) - .relax_hint 0 - ori $gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_-4) - add5.pc $gp -#endif -/* - * do critical initializations first (shall be in short time) - * do self_relocation ASAP. - */ - -/* - * Set the N1213 (Whitiger) core to superuser mode - * According to spec, it is already when reset - */ -#ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG - jal turnoff_watchdog -#endif - -/* - * Set stackpointer in internal RAM to call board_init_f - * $sp must be 8-byte alignment for ABI compliance. - */ -call_board_init_f: - li $sp, CONFIG_SYS_INIT_SP_ADDR - move $r0, $sp - bal board_init_f_alloc_reserve - move $sp, $r0 - bal board_init_f_init_reserve -#ifdef CONFIG_DEBUG_UART - bal debug_uart_init -#endif - li $r0, 0x00000000 -#ifdef __PIC__ -#ifdef __NDS32_N1213_43U1H__ -/* __NDS32_N1213_43U1H__ implies NDS32 V0 ISA */ - la $r15, board_init_f ! store function address into $r15 -#endif -#endif - j board_init_f ! jump to board_init_f() in lib/board.c - -/* - * void relocate_code(addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM - * after relocating the monitor code. - * - */ - -/* - * gp = ~RAM_SIZE - TEXT_SIZE for burn/load mode - */ - -.globl relocate_code -relocate_code: - move $r4, $r0 /* save addr_sp */ - move $r5, $r1 /* save addr of gd */ - move $r6, $r2 /* save addr of destination */ - -/* Set up the stack */ -stack_setup: - move $sp, $r4 - - la $r0, _start@GOTOFF - beq $r0, $r6, clear_bss /* skip relocation */ - - la $r1, _end@GOTOFF - move $r2, $r6 /* r2 <- scratch for copy_loop */ -copy_loop: - lmw.bim $r11, [$r0], $r18 - smw.bim $r11, [$r2], $r18 - blt $r0, $r1, copy_loop -/* - * fix relocations related issues - */ -fix_relocations: - l.w $r0, _TEXT_BASE@GOTOFF /* r0 <- Text base */ - sub $r9, $r6, $r0 /* r9 <- relocation offset */ - - la $r7, __rel_dyn_start@GOTOFF - add $r7, $r7, $r9 /* r2 <- rel __got_start in RAM */ - la $r8, __rel_dyn_end@GOTOFF - add $r8, $r8, $r9 /* r2 <- rel __got_start in RAM */ - li $r3, #0x2a /* R_NDS32_RELATIVE */ -1: - lmw.bim $r0, [$r7], $r2 /* r0,r1,r2 <- adr,type,addend */ - bne $r1, $r3, 2f - - add $r0, $r0, $r9 - add $r2, $r2, $r9 - sw $r2, [$r0] -2: - blt $r7, $r8, 1b - -clear_bss: - la $r0, __bss_start@GOTOFF /* r0 <- rel __bss_start in FLASH */ - add $r0, $r0, $r9 /* r0 <- rel __bss_start in FLASH */ - la $r1, __bss_end@GOTOFF /* r1 <- rel __bss_end in RAM */ - add $r1, $r1, $r9 /* r0 <- rel __bss_end in RAM */ - li $r2, 0x00000000 /* clear */ - -clbss_l: - sw $r2, [$r0] /* clear loop... */ - addi $r0, $r0, #4 - bne $r0, $r1, clbss_l - -/* - * We are done. Do not return, instead branch to second part of board - * initialization, now running from RAM. - */ -call_board_init_r: - bal invalidate_icache_all - bal flush_dcache_all - la $r0, board_init_r@GOTOFF - move $lp, $r0 /* offset of board_init_r() */ - add $lp, $lp, $r9 /* real address of board_init_r() */ - /* setup parameters for board_init_r */ - move $r0, $r5 /* gd_t */ - move $r1, $r6 /* dest_addr */ - -#ifdef __PIC__ -#ifdef __NDS32_N1213_43U1H__ /* NDS32 V0 ISA */ - move $r15, $lp /* store function address into $r15 */ -#endif -#endif - - /* jump to it ... */ - jr $lp /* jump to board_init_r() */ - -/* - * Invalidate I$ - */ -invalidate_icac: - ! read $cr1(I CAC/MEM cfg. reg.) configuration - mfsr $t0, CR_ICAC_MEM - - ! Get the ISZ field - andi $p0, $t0, ICAC_MEM_KBF_ISZ - - ! if $p0=0, then no I CAC existed - beqz $p0, end_flush_icache - - ! get $p0 the index of I$ block - srli $p0, $p0, 6 - - ! $t1= bit width of I cache line size(ISZ) - addi $t1, $p0, 2 - - li $t4, 1 - sll $t5, $t4, $t1 ! get $t5 cache line size - andi $p1, $t0, ICAC_MEM_KBF_ISET ! get the ISET field - addi $t2, $p1, 6 ! $t2= bit width of ISET - andi $p1, $t0, ICAC_MEM_KBF_IWAY ! get bitfield of Iway - srli $p1, $p1, 3 - addi $p1, $p1, 1 ! then $p1 is I way number - add $t3, $t2, $t1 ! SHIFT - sll $p1, $p1, $t3 ! GET the total cache size -ICAC_LOOP: - sub $p1, $p1, $t5 - cctl $p1, L1I_IX_INVAL - bnez $p1, ICAC_LOOP -end_flush_icache: - ret - -/* - * Invalidate D$ - */ -invalidate_dcac: - ! read $cr2(D CAC/MEM cfg. reg.) configuration - mfsr $t0, CR_DCAC_MEM - - ! Get the DSZ field - andi $p0, $t0, DCAC_MEM_KBF_DSZ - - ! if $p0=0, then no D CAC existed - beqz $p0, end_flush_dcache - - ! get $p0 the index of D$ block - srli $p0, $p0, 6 - - ! $t1= bit width of D cache line size(DSZ) - addi $t1, $p0, 2 - - li $t4, 1 - sll $t5, $t4, $t1 ! get $t5 cache line size - andi $p1, $t0, DCAC_MEM_KBF_DSET ! get the DSET field - addi $t2, $p1, 6 ! $t2= bit width of DSET - andi $p1, $t0, DCAC_MEM_KBF_DWAY ! get bitfield of D way - srli $p1, $p1, 3 - addi $p1, $p1, 1 ! then $p1 is D way number - add $t3, $t2, $t1 ! SHIFT - sll $p1, $p1, $t3 ! GET the total cache size -DCAC_LOOP: - sub $p1, $p1, $t5 - cctl $p1, L1D_IX_INVAL - bnez $p1, DCAC_LOOP -end_flush_dcache: - ret - -/* - * Interrupt handling - */ - -/* - * exception handlers - */ - .align 5 - -.macro SAVE_ALL - ! FIXME: Other way to get PC? - ! FIXME: Update according to the newest spec!! -1: - li $r28, 1 - push $r28 - mfsr $r28, PSW ! $PSW - push $r28 - mfsr $r28, EIT_EVA ! $ir1 $EVA - push $r28 - mfsr $r28, EIT_ITYPE ! $ir2 $ITYPE - push $r28 - mfsr $r28, EIT_MACH_ERR ! $ir3 Mach Error - push $r28 - mfsr $r28, EIT_INTR_PSW ! $ir5 $IPSW - push $r28 - mfsr $r28, EIT_PREV_IPSW ! $ir6 prev $IPSW - push $r28 - mfsr $r28, EIT_PREV_EVA ! $ir7 prev $EVA - push $r28 - mfsr $r28, EIT_PREV_ITYPE ! $ir8 prev $ITYPE - push $r28 - mfsr $r28, EIT_INTR_PC ! $ir9 Interruption PC - push $r28 - mfsr $r28, EIT_PREV_IPC ! $ir10 prev INTR_PC - push $r28 - mfsr $r28, EIT_OVL_INTR_PC ! $ir11 Overflowed INTR_PC - push $r28 - mfusr $r28, $d1.lo - push $r28 - mfusr $r28, $d1.hi - push $r28 - mfusr $r28, $d0.lo - push $r28 - mfusr $r28, $d0.hi - push $r28 - pushm $r0, $r30 ! store $sp-$r31, ra-$r30, $gp-$r29, $r28-$fp - addi $sp, $sp, -4 ! make room for implicit pt_regs parameters -.endm - - .align 5 -tlb_fill: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 1 ! Determine interruption type - bal do_interruption - - .align 5 -tlb_not_present: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 2 ! Determine interruption type - bal do_interruption - - .align 5 -tlb_misc: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 3 ! Determine interruption type - bal do_interruption - - .align 5 -tlb_vlpt_miss: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 4 ! Determine interruption type - bal do_interruption - - .align 5 -machine_error: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 5 ! Determine interruption type - bal do_interruption - - .align 5 -debug: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 6 ! Determine interruption type - bal do_interruption - - .align 5 -general_exception: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 7 ! Determine interruption type - bal do_interruption - - .align 5 -syscall: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 8 ! Determine interruption type - bal do_interruption - - .align 5 -internal_interrupt: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 9 ! Determine interruption type - bal do_interruption - - .align 5 -software_interrupt: - SAVE_ALL - move $r0, $sp ! To get the kernel stack - li $r1, 10 ! Determine interruption type - bal do_interruption - - .align 5 diff --git a/arch/nds32/cpu/n1213/u-boot.lds b/arch/nds32/cpu/n1213/u-boot.lds deleted file mode 100644 index 4abaf0a..0000000 --- a/arch/nds32/cpu/n1213/u-boot.lds +++ /dev/null @@ -1,58 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -OUTPUT_FORMAT("elf32-nds32", "elf32-nds32", "elf32-nds32") -OUTPUT_ARCH(nds32) -ENTRY(_start) -SECTIONS -{ - . = ALIGN(4); - .text : - { - arch/nds32/cpu/n1213/start.o (.text) - *(.text) - } - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - - . = ALIGN(4); - .data : { *(.data*) } - - . = ALIGN(4); - - .got : { - __got_start = .; - *(.got.plt) *(.got) - __got_end = .; - } - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - . = ALIGN(4); - /DISCARD/ : { *(.rela.plt*) } - .rela.dyn : { - __rel_dyn_start = .; - *(.rela*) - __rel_dyn_end = .; - } - _end = .; - - .bss : { - __bss_start = .; - *(.bss) - . = ALIGN(4); - __bss_end = .; - } - -} diff --git a/arch/nds32/dts/Makefile b/arch/nds32/dts/Makefile deleted file mode 100644 index 5a09e3b..0000000 --- a/arch/nds32/dts/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ - -dtb-$(CONFIG_TARGET_ADP_AG101P) += ag101p.dtb -dtb-$(CONFIG_TARGET_ADP_AE3XX) += ae3xx.dtb -include $(srctree)/scripts/Makefile.dts - -targets += $(dtb-y) - -DTC_FLAGS += -R 4 -p 0x1000 - -PHONY += dtbs -dtbs: $(addprefix $(obj)/, $(dtb-y)) - @: - -clean-files := *.dtb diff --git a/arch/nds32/dts/ae3xx.dts b/arch/nds32/dts/ae3xx.dts deleted file mode 100644 index 7bba2a2..0000000 --- a/arch/nds32/dts/ae3xx.dts +++ /dev/null @@ -1,103 +0,0 @@ -/dts-v1/; -/ { - compatible = "nds32 ae3xx"; - #address-cells = <1>; - #size-cells = <1>; - interrupt-parent = <&intc>; - - aliases { - uart0 = &serial0; - ethernet0 = &mac0; - spi0 = &spi; - } ; - - chosen { - /* bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug bootmem_debug memblock=debug loglevel=7"; */ - bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7"; - stdout-path = "uart0:38400n8"; - tick-timer = &timer0; - }; - - memory@0 { - device_type = "memory"; - reg = <0x00000000 0x40000000>; - }; - - spiclk: virt_100mhz { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <100000000>; - }; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - cpu@0 { - compatible = "andestech,n13"; - reg = <0>; - /* FIXME: to fill correct frqeuency */ - clock-frequency = <60000000>; - }; - }; - - intc: interrupt-controller { - compatible = "andestech,atnointc010"; - #interrupt-cells = <1>; - interrupt-controller; - }; - - serial0: serial@f0300000 { - compatible = "andestech,uart16550", "ns16550a"; - reg = <0xf0300000 0x1000>; - interrupts = <7 4>; - clock-frequency = <14745600>; - reg-shift = <2>; - reg-offset = <32>; - no-loopback-test = <1>; - }; - - timer0: timer@f0400000 { - compatible = "andestech,atcpit100"; - reg = <0xf0400000 0x1000>; - interrupts = <2 4>; - clock-frequency = <30000000>; - }; - - mac0: mac@e0100000 { - compatible = "andestech,atmac100"; - reg = <0xe0100000 0x1000>; - interrupts = <25 4>; - }; - - mmc0: mmc@f0e00000 { - compatible = "andestech,atfsdc010"; - max-frequency = <100000000>; - fifo-depth = <0x10>; - reg = <0xf0e00000 0x1000>; - interrupts = <17 4>; - }; - - nor@0,0 { - compatible = "cfi-flash"; - reg = <0x88000000 0x1000>; - bank-width = <2>; - device-width = <1>; - }; - - spi: spi@f0b00000 { - compatible = "andestech,atcspi200"; - reg = <0xf0b00000 0x1000>; - #address-cells = <1>; - #size-cells = <0>; - num-cs = <1>; - clocks = <&spiclk>; - interrupts = <3 4>; - flash@0 { - compatible = "jedec,spi-nor"; - spi-max-frequency = <50000000>; - reg = <0>; - spi-cpol; - spi-cpha; - }; - }; -}; diff --git a/arch/nds32/dts/ag101p.dts b/arch/nds32/dts/ag101p.dts deleted file mode 100644 index d2ed9ef..0000000 --- a/arch/nds32/dts/ag101p.dts +++ /dev/null @@ -1,72 +0,0 @@ -/dts-v1/; -/ { - compatible = "nds32 ag101p"; - #address-cells = <1>; - #size-cells = <1>; - interrupt-parent = <&intc>; - - aliases { - uart0 = &serial0; - ethernet0 = &mac0; - } ; - - chosen { - /* bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0x99600000 debug bootmem_debug memblock=debug loglevel=7"; */ - bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0x99600000 debug loglevel=7"; - stdout-path = "uart0:38400n8"; - tick-timer = &timer0; - }; - - memory@0 { - device_type = "memory"; - reg = <0x00000000 0x40000000>; - }; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - cpu@0 { - compatible = "andestech,n13"; - reg = <0>; - /* FIXME: to fill correct frqeuency */ - clock-frequency = <60000000>; - }; - }; - - intc: interrupt-controller { - compatible = "andestech,atnointc010"; - #interrupt-cells = <1>; - interrupt-controller; - }; - - serial0: serial@99600000 { - compatible = "andestech,uart16550", "ns16550a"; - reg = <0x99600000 0x1000>; - interrupts = <7 4>; - clock-frequency = <14745600>; - reg-shift = <2>; - no-loopback-test = <1>; - }; - - timer0: timer@98400000 { - compatible = "andestech,attmr010"; - reg = <0x98400000 0x1000>; - interrupts = <19 4>; - clock-frequency = <15000000>; - }; - - mac0: mac@90900000 { - compatible = "andestech,atmac100"; - reg = <0x90900000 0x1000>; - interrupts = <25 4>; - }; - - mmc0: mmc@98e00000 { - compatible = "andestech,atfsdc010"; - max-frequency = <30000000>; - fifo-depth = <0x10>; - reg = <0x98e00000 0x1000>; - interrupts = <5 4>; - cap-sd-highspeed; - }; -}; diff --git a/arch/nds32/include/asm/arch-ae3xx/ae3xx.h b/arch/nds32/include/asm/arch-ae3xx/ae3xx.h deleted file mode 100644 index c283cfa..0000000 --- a/arch/nds32/include/asm/arch-ae3xx/ae3xx.h +++ /dev/null @@ -1,51 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2016 Andes Technology Corporation - * Nobuhiro Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#ifndef __AE3XX_H -#define __AE3XX_H - -/* Hardware register bases */ - -/* Static Memory Controller (SRAM) */ -#define CONFIG_FTSMC020_BASE 0xe0400000 -/* DMA Controller */ -#define CONFIG_FTDMAC020_BASE 0xf0c00000 -/* AHB-to-APB Bridge */ -#define CONFIG_FTAPBBRG020S_01_BASE 0xf0000000 -/* Reserved */ -#define CONFIG_RESERVED_01_BASE 0xe0500000 -/* Reserved */ -#define CONFIG_RESERVED_02_BASE 0xf0800000 -/* Reserved */ -#define CONFIG_RESERVED_03_BASE 0xf0900000 -/* Ethernet */ -#define CONFIG_FTMAC100_BASE 0xe0100000 -/* Reserved */ -#define CONFIG_RESERVED_04_BASE 0xf1000000 - -/* APB Device definitions */ - -/* UART1 */ -#define CONFIG_FTUART010_01_BASE 0xf0200000 -/* UART2 */ -#define CONFIG_FTUART010_02_BASE 0xf0300000 -/* Counter/Timers */ -#define CONFIG_FTTMR010_BASE 0xf0400000 -/* Watchdog Timer */ -#define CONFIG_FTWDT010_BASE 0xf0500000 -/* Real Time Clock */ -#define CONFIG_FTRTC010_BASE 0xf0600000 -/* GPIO */ -#define CONFIG_FTGPIO010_BASE 0xf0700000 -/* I2C */ -#define CONFIG_FTIIC010_BASE 0xf0a00000 - -/* The following address was not defined in Linux */ - -/* Synchronous Serial Port Controller (SSP) 01 */ -#define CONFIG_FTSSP010_01_BASE 0xf0d00000 -#endif /* __AE3XX_H */ diff --git a/arch/nds32/include/asm/arch-ag101/ag101.h b/arch/nds32/include/asm/arch-ag101/ag101.h deleted file mode 100644 index 6900868..0000000 --- a/arch/nds32/include/asm/arch-ag101/ag101.h +++ /dev/null @@ -1,85 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Nobuhiro Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#ifndef __AG101_H -#define __AG101_H - -/* Hardware register bases */ - -/* AHB Controller */ -#define CONFIG_FTAHBC020S_BASE 0x90100000 -/* Static Memory Controller (SRAM) */ -#define CONFIG_FTSMC020_BASE 0x90200000 -/* FTSDMC021 SDRAM Controller */ -#define CONFIG_FTSDMC021_BASE 0x90300000 -/* DMA Controller */ -#define CONFIG_FTDMAC020_BASE 0x90400000 -/* AHB-to-APB Bridge */ -#define CONFIG_FTAPBBRG020S_01_BASE 0x90500000 -/* LCD Controller */ -#define CONFIG_FTLCDC100_BASE 0x90600000 -/* Reserved */ -#define CONFIG_RESERVED_01_BASE 0x90700000 -/* Reserved */ -#define CONFIG_RESERVED_02_BASE 0x90800000 -/* Ethernet */ -#define CONFIG_FTMAC100_BASE 0x90900000 -/* External USB host */ -#define CONFIG_EXT_USB_HOST_BASE 0x90A00000 -/* USB Device */ -#define CONFIG_USB_DEV_BASE 0x90B00000 -/* External AHB-to-PCI Bridge (FTPCI100 not exist in ag101) */ -#define CONFIG_EXT_AHBPCIBRG_BASE 0x90C00000 -/* Reserved */ -#define CONFIG_RESERVED_03_BASE 0x90D00000 -/* External AHB-to-APB Bridger (FTAPBBRG020S_02) */ -#define CONFIG_EXT_AHBAPBBRG_BASE 0x90E00000 -/* External AHB slave1 (LCD) */ -#define CONFIG_EXT_AHBSLAVE01_BASE 0x90F00000 -/* External AHB slave2 (FUSBH200) */ -#define CONFIG_EXT_AHBSLAVE02_BASE 0x92000000 - -/* APB Device definitions */ - -/* Power Management Unit */ -#define CONFIG_FTPMU010_BASE 0x98100000 -/* BT UART 2/IrDA (UART 01 in Linux) */ -#define CONFIG_FTUART010_01_BASE 0x98300000 -/* Counter/Timers */ -#define CONFIG_FTTMR010_BASE 0x98400000 -/* Watchdog Timer */ -#define CONFIG_FTWDT010_BASE 0x98500000 -/* Real Time Clock */ -#define CONFIG_FTRTC010_BASE 0x98600000 -/* GPIO */ -#define CONFIG_FTGPIO010_BASE 0x98700000 -/* Interrupt Controller */ -#define CONFIG_FTINTC010_BASE 0x98800000 -/* I2C */ -#define CONFIG_FTIIC010_BASE 0x98A00000 -/* Reserved */ -#define CONFIG_RESERVED_04_BASE 0x98C00000 -/* Compat Flash Controller */ -#define CONFIG_FTCFC010_BASE 0x98D00000 - -/* Synchronous Serial Port Controller (SSP) I2S/AC97 */ -#define CONFIG_FTSSP010_02_BASE 0x99400000 -/* ST UART ? SSP 02 (UART 02 in Linux) */ -#define CONFIG_FTUART010_02_BASE 0x99600000 - -/* The following address was not defined in Linux */ - -/* FF UART 3 */ -#define CONFIG_FTUART010_03_BASE 0x98200000 -/* Synchronous Serial Port Controller (SSP) 01 */ -#define CONFIG_FTSSP010_01_BASE 0x98B00000 -/* IrDA */ -#define CONFIG_IRDA_BASE 0x98900000 -/* PWM - Pulse Width Modulator Controller */ -#define CONFIG_PMW_BASE 0x99100000 - -#endif /* __AG101_H */ diff --git a/arch/nds32/include/asm/arch-ag102/ag102.h b/arch/nds32/include/asm/arch-ag102/ag102.h deleted file mode 100644 index 53d38b3..0000000 --- a/arch/nds32/include/asm/arch-ag102/ag102.h +++ /dev/null @@ -1,78 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#ifndef __AG102_H -#define __AG102_H - -/* - * Hardware register bases - */ - -/* LPC Controller */ -#define CONFIG_LPC_IO_BASE 0x90100000 -/* LPC Controller */ -#define CONFIG_LPC_BASE 0x90200000 - -/* NDS32 Data Local Memory 01 */ -#define CONFIG_NDS_DLM1_BASE 0x90300000 -/* NDS32 Data Local Memory 02 */ -#define CONFIG_NDS_DLM2_BASE 0x90400000 - -/* Synopsys DWC DDR2/1 Controller */ -#define CONFIG_DWCDDR21MCTL_BASE 0x90500000 -/* DMA Controller */ -#define CONFIG_FTDMAC020_BASE 0x90600000 -/* FTIDE020_S IDE (ATA) Controller */ -#define CONFIG_FTIDE020S_BASE 0x90700000 -/* USB OTG Controller */ -#define CONFIG_FZOTG266HD0A_BASE 0x90800000 -/* Andes L2 Cache Controller */ -#define CONFIG_NCEL2C100_BASE 0x90900000 -/* XGI XG22 GPU */ -#define CONFIG_XGI_XG22_BASE 0x90A00000 -/* GMAC Ethernet Controller */ -#define CONFIG_FTGMAC100_BASE 0x90B00000 -/* AHB Controller */ -#define CONFIG_FTAHBC020S_BASE 0x90C00000 -/* AHB-to-APB Bridge Controller */ -#define CONFIG_FTAPBBRG020S_01_BASE 0x90D00000 -/* External AHB2AHB Controller */ -#define CONFIG_EXT_AHB2AHB_BASE 0x90E00000 -/* Andes Multi-core Interrupt Controller */ -#define CONFIG_NCEMIC100_BASE 0x90F00000 - -/* - * APB Device definitions - */ -/* Compat Flash Controller */ -#define CONFIG_FTCFC010_BASE 0x94000000 -/* APB - SSP (SPI) (without AC97) Controller */ -#define CONFIG_FTSSP010_01_BASE 0x94100000 -/* UART1 - APB STUART Controller (UART0 in Linux) */ -#define CONFIG_FTUART010_01_BASE 0x94200000 -/* APB - SSP with HDA/AC97 Controller */ -#define CONFIG_FTSSP010_02_BASE 0x94500000 -/* UART2 - APB STUART Controller (UART1 in Linux) */ -#define CONFIG_FTUART010_02_BASE 0x94600000 -/* PCU Controller */ -#define CONFIG_ANDES_PCU_BASE 0x94800000 -/* FTTMR010 Timer */ -#define CONFIG_FTTMR010_BASE 0x94900000 -/* Watch Dog Controller */ -#define CONFIG_FTWDT010_BASE 0x94A00000 -/* FTRTC010 Real Time Clock */ -#define CONFIG_FTRTC010_BASE 0x98B00000 -/* GPIO Controller */ -#define CONFIG_FTGPIO010_BASE 0x94C00000 -/* I2C Controller */ -#define CONFIG_FTIIC010_BASE 0x94E00000 -/* PWM - Pulse Width Modulator Controller */ -#define CONFIG_FTPWM010_BASE 0x94F00000 - -/* Power Management Unit */ -#define CONFIG_FTPMU010_BASE 0x98100000 - -#endif /* __AG102_H */ diff --git a/arch/nds32/include/asm/bitops.h b/arch/nds32/include/asm/bitops.h deleted file mode 100644 index f1cdcf3..0000000 --- a/arch/nds32/include/asm/bitops.h +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright 1995, Russell King. - * Various bits and pieces copyrights include: - * Linus Torvalds (test_bit). - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * - * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). - * - * Please note that the code in this file should never be included - * from user space. Many of these are not implemented in assembler - * since they would be too costly. Also, they require priviledged - * instructions (which are not available from user mode) to ensure - * that they are atomic. - */ - -#ifndef __ASM_NDS_BITOPS_H -#define __ASM_NDS_BITOPS_H - -#ifdef __KERNEL__ - -#include <asm/system.h> -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.h> -#include <asm-generic/bitops/__ffs.h> - -#define smp_mb__before_clear_bit() do { } while (0) -#define smp_mb__after_clear_bit() do { } while (0) - -/* - * Function prototypes to keep gcc -Wall happy. - */ -extern void set_bit(int nr, void *addr); - -static inline void __set_bit(int nr, void *addr) -{ - int *a = (int *)addr; - int mask; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a |= mask; -} - -#define PLATFORM__SET_BIT - -extern void clear_bit(int nr, void *addr); - -static inline void __clear_bit(int nr, void *addr) -{ - int *a = (int *)addr; - int mask; - unsigned long flags; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - local_irq_save(flags); - *a &= ~mask; - local_irq_restore(flags); -} - -#define PLATFORM__CLEAR_BIT - -extern void change_bit(int nr, void *addr); - -static inline void __change_bit(int nr, void *addr) -{ - int mask; - unsigned long *ADDR = (unsigned long *)addr; - - ADDR += nr >> 5; - mask = 1 << (nr & 31); - *ADDR ^= mask; -} - -extern int test_and_set_bit(int nr, void *addr); - -static inline int __test_and_set_bit(int nr, void *addr) -{ - int mask, retval; - unsigned int *a = (unsigned int *)addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a |= mask; - return retval; -} - -extern int test_and_clear_bit(int nr, void *addr); - -static inline int __test_and_clear_bit(int nr, void *addr) -{ - int mask, retval; - unsigned int *a = (unsigned int *)addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a &= ~mask; - return retval; -} - -extern int test_and_change_bit(int nr, void *addr); - -static inline int __test_and_change_bit(int nr, void *addr) -{ - int mask, retval; - unsigned int *a = (unsigned int *)addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a ^= mask; - return retval; -} - -extern int find_first_zero_bit(void *addr, unsigned size); -extern int find_next_zero_bit(void *addr, int size, int offset); - -/* - * This routine doesn't need to be atomic. - */ -static inline int test_bit(int nr, const void *addr) -{ - return ((unsigned char *) addr)[nr >> 3] & (1U << (nr & 7)); -} - -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long ffz(unsigned long word) -{ - int k; - - word = ~word; - k = 31; - if (word & 0x0000ffff) { - k -= 16; word <<= 16; - } - if (word & 0x00ff0000) { - k -= 8; word <<= 8; - } - if (word & 0x0f000000) { - k -= 4; word <<= 4; - } - if (word & 0x30000000) { - k -= 2; word <<= 2; - } - if (word & 0x40000000) - k -= 1; - - return k; -} - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -/* - * redefined in include/linux/bitops.h - * #define ffs(x) generic_ffs(x) - */ - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -#define ext2_set_bit test_and_set_bit -#define ext2_clear_bit test_and_clear_bit -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) -#define minix_set_bit(nr, addr) set_bit(nr, addr) -#define minix_test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) -#define minix_test_bit(nr, addr) test_bit(nr, addr) -#define minix_find_first_zero_bit(addr, size) find_first_zero_bit(addr, size) - -#endif /* __KERNEL__ */ - -#endif /* __ASM_NDS_BITOPS_H */ diff --git a/arch/nds32/include/asm/bootm.h b/arch/nds32/include/asm/bootm.h deleted file mode 100644 index c956fdd..0000000 --- a/arch/nds32/include/asm/bootm.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (c) 2013, Google Inc. - * - * Copyright (C) 2011 - * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de> - */ -#ifndef NDS32_BOOTM_H -#define NDS32_BOOTM_H - -#include <asm/setup.h> - -extern void udc_disconnect(void); - -#ifdef CONFIG_SUPPORT_PASSING_ATAGS -# define BOOTM_ENABLE_TAGS 1 -#else -# define BOOTM_ENABLE_TAGS 0 -#endif - -#ifdef CONFIG_SETUP_MEMORY_TAGS -# define BOOTM_ENABLE_MEMORY_TAGS 1 -#else -# define BOOTM_ENABLE_MEMORY_TAGS 0 -#endif - -#ifdef CONFIG_CMDLINE_TAG - #define BOOTM_ENABLE_CMDLINE_TAG 1 -#else - #define BOOTM_ENABLE_CMDLINE_TAG 0 -#endif - -#ifdef CONFIG_INITRD_TAG - #define BOOTM_ENABLE_INITRD_TAG 1 -#else - #define BOOTM_ENABLE_INITRD_TAG 0 -#endif - -#ifdef CONFIG_SERIAL_TAG - #define BOOTM_ENABLE_SERIAL_TAG 1 -void get_board_serial(struct tag_serialnr *serialnr); -#else - #define BOOTM_ENABLE_SERIAL_TAG 0 -static inline void get_board_serial(struct tag_serialnr *serialnr) -{ -} -#endif - -#ifdef CONFIG_REVISION_TAG - #define BOOTM_ENABLE_REVISION_TAG 1 -u32 get_board_rev(void); -#else - #define BOOTM_ENABLE_REVISION_TAG 0 -static inline u32 get_board_rev(void) -{ - return 0; -} -#endif - -#endif diff --git a/arch/nds32/include/asm/byteorder.h b/arch/nds32/include/asm/byteorder.h deleted file mode 100644 index 39fd9ed..0000000 --- a/arch/nds32/include/asm/byteorder.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * linux/include/asm-arm/byteorder.h - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - * - * ARM Endian-ness. In little endian mode, the data bus is connected such - * that byte accesses appear as: - * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 - * and word accesses (data or instruction) appear as: - * d0...d31 - * - * When in big endian mode, byte accesses appear as: - * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 - * and word accesses (data or instruction) appear as: - * d0...d31 - */ - -#ifndef __ASM_NDS_BYTEORDER_H -#define __ASM_NDS_BYTEORDER_H - -#include <asm/types.h> - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - -#ifdef __NDSEB__ -#include <linux/byteorder/big_endian.h> -#else -#include <linux/byteorder/little_endian.h> -#endif - -#endif diff --git a/arch/nds32/include/asm/cache.h b/arch/nds32/include/asm/cache.h deleted file mode 100644 index 6c72b2b..0000000 --- a/arch/nds32/include/asm/cache.h +++ /dev/null @@ -1,63 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#ifndef _ASM_CACHE_H -#define _ASM_CACHE_H - -/* cache */ -int icache_status(void); -void icache_enable(void); -void icache_disable(void); -int dcache_status(void); -void dcache_enable(void); -void dcache_disable(void); -void cache_flush(void); - -#define DEFINE_GET_SYS_REG(reg) \ - static inline unsigned long GET_##reg(void) \ - { \ - unsigned long val; \ - __asm__ volatile ( \ - "mfsr %0, $"#reg : "=&r" (val) : : "memory" \ - ); \ - return val; \ - } - -enum cache_t {ICACHE, DCACHE}; -DEFINE_GET_SYS_REG(ICM_CFG); -DEFINE_GET_SYS_REG(DCM_CFG); -/* I-cache sets (# of cache lines) per way */ -#define ICM_CFG_OFF_ISET 0 -/* I-cache ways */ -#define ICM_CFG_OFF_IWAY 3 -#define ICM_CFG_MSK_ISET (0x7 << ICM_CFG_OFF_ISET) -#define ICM_CFG_MSK_IWAY (0x7 << ICM_CFG_OFF_IWAY) -/* D-cache sets (# of cache lines) per way */ -#define DCM_CFG_OFF_DSET 0 -/* D-cache ways */ -#define DCM_CFG_OFF_DWAY 3 -#define DCM_CFG_MSK_DSET (0x7 << DCM_CFG_OFF_DSET) -#define DCM_CFG_MSK_DWAY (0x7 << DCM_CFG_OFF_DWAY) -/* I-cache line size */ -#define ICM_CFG_OFF_ISZ 6 -#define ICM_CFG_MSK_ISZ (0x7UL << ICM_CFG_OFF_ISZ) -/* D-cache line size */ -#define DCM_CFG_OFF_DSZ 6 -#define DCM_CFG_MSK_DSZ (0x7UL << DCM_CFG_OFF_DSZ) - -/* - * The current upper bound for NDS32 L1 data cache line sizes is 32 bytes. - * We use that value for aligning DMA buffers unless the board config has - * specified an alternate cache line size. - */ -#ifdef CONFIG_SYS_CACHELINE_SIZE -#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE -#else -#define ARCH_DMA_MINALIGN 32 -#endif - -#endif /* _ASM_CACHE_H */ diff --git a/arch/nds32/include/asm/config.h b/arch/nds32/include/asm/config.h deleted file mode 100644 index 6c1cbce..0000000 --- a/arch/nds32/include/asm/config.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) - * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) - */ - -#ifndef _ASM_CONFIG_H_ -#define _ASM_CONFIG_H_ - -#endif diff --git a/arch/nds32/include/asm/dma-mapping.h b/arch/nds32/include/asm/dma-mapping.h deleted file mode 100644 index f8668f1..0000000 --- a/arch/nds32/include/asm/dma-mapping.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2013 Andes Technology Corporation - * Ken Kuo, Andes Technology Corporation <ken_kuo@andestech.com> - */ -#ifndef __ASM_NDS_DMA_MAPPING_H -#define __ASM_NDS_DMA_MAPPING_H - -#include <common.h> -#include <asm/cache.h> -#include <cpu_func.h> -#include <linux/dma-direction.h> -#include <linux/types.h> -#include <malloc.h> - -static void *dma_alloc_coherent(size_t len, unsigned long *handle) -{ - *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len); - return (void *)*handle; -} - -#endif /* __ASM_NDS_DMA_MAPPING_H */ diff --git a/arch/nds32/include/asm/global_data.h b/arch/nds32/include/asm/global_data.h deleted file mode 100644 index 297481b..0000000 --- a/arch/nds32/include/asm/global_data.h +++ /dev/null @@ -1,35 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -/************************************************************** - * CAUTION: - * - do not implement for NDS32 Arch yet. - * - so far no one uses the macros defined in this head file. - **************************************************************/ - -#ifndef __ASM_GBL_DATA_H -#define __ASM_GBL_DATA_H - -#include <config.h> - -/* Architecture-specific global data */ -struct arch_global_data { -}; - -#include <asm-generic/global_data.h> - -#ifdef CONFIG_GLOBAL_DATA_NOT_REG10 -extern volatile gd_t g_gd; -#define DECLARE_GLOBAL_DATA_PTR static volatile gd_t *gd = &g_gd -#else -#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("$r10") -#endif - -#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h deleted file mode 100644 index fdfc574..0000000 --- a/arch/nds32/include/asm/io.h +++ /dev/null @@ -1,457 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/include/asm-nds/io.h - * - * Copyright (C) 1996-2000 Russell King - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - * - * Modifications: - * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both - * constant addresses and variable addresses. - * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture - * specific IO header files. - * 27-Mar-1999 PJB Second parameter of memcpy_toio is const.. - * 04-Apr-1999 PJB Added check_signature. - * 12-Dec-1999 RMK More cleanups - * 18-Jun-2000 RMK Removed virt_to_* and friends definitions - */ -#ifndef __ASM_NDS_IO_H -#define __ASM_NDS_IO_H - -/* - * CAUTION: - * - do not implement for NDS32 Arch yet. - * - cmd_pci.c, cmd_scsi.c, Lynxkdi.c, usb.c, usb_storage.c, etc... - * iinclude asm/io.h - */ - -#ifdef __KERNEL__ - -#include <linux/types.h> -#include <asm/byteorder.h> - -static inline void sync(void) -{ -} - -#ifdef CONFIG_ARCH_MAP_SYSMEM -static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) -{ - if(paddr <PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE) - paddr = paddr | 0x40000000; - return (void *)(uintptr_t)paddr; -} - -static inline void *unmap_sysmem(const void *vaddr) -{ - phys_addr_t paddr = (phys_addr_t)vaddr; - paddr = paddr & ~0x40000000; - return (void *)(uintptr_t)paddr; -} - -static inline phys_addr_t map_to_sysmem(const void *ptr) -{ - return (phys_addr_t)(uintptr_t)ptr; -} -#endif - -/* - * Generic virtual read/write. Note that we don't support half-word - * read/writes. We define __arch_*[bl] here, and leave __arch_*w - * to the architecture specific code. - */ -#define __arch_getb(a) (*(unsigned char *)(a)) -#define __arch_getw(a) (*(unsigned short *)(a)) -#define __arch_getl(a) (*(unsigned int *)(a)) - -#define __arch_putb(v, a) (*(unsigned char *)(a) = (v)) -#define __arch_putw(v, a) (*(unsigned short *)(a) = (v)) -#define __arch_putl(v, a) (*(unsigned int *)(a) = (v)) - -extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); -extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); -extern void __raw_writesl(unsigned int addr, const void *data, int longlen); - -extern void __raw_readsb(unsigned int addr, void *data, int bytelen); -extern void __raw_readsw(unsigned int addr, void *data, int wordlen); -extern void __raw_readsl(unsigned int addr, void *data, int longlen); - -#define __raw_writeb(v, a) __arch_putb(v, a) -#define __raw_writew(v, a) __arch_putw(v, a) -#define __raw_writel(v, a) __arch_putl(v, a) - -#define __raw_readb(a) __arch_getb(a) -#define __raw_readw(a) __arch_getw(a) -#define __raw_readl(a) __arch_getl(a) - -/* - * TODO: The kernel offers some more advanced versions of barriers, it might - * have some advantages to use them instead of the simple one here. - */ -#define dmb() __asm__ __volatile__ ("" : : : "memory") -#define __iormb() dmb() -#define __iowmb() dmb() - -static inline void writeb(u8 val, volatile void __iomem *addr) -{ - __iowmb(); - __arch_putb(val, addr); -} - -static inline void writew(u16 val, volatile void __iomem *addr) -{ - __iowmb(); - __arch_putw(val, addr); - -} - -static inline void writel(u32 val, volatile void __iomem *addr) -{ - __iowmb(); - __arch_putl(val, addr); -} - -static inline u8 readb(const volatile void __iomem *addr) -{ - u8 val; - - val = __arch_getb(addr); - __iormb(); - return val; -} - -static inline u16 readw(const volatile void __iomem *addr) -{ - u16 val; - - val = __arch_getw(addr); - __iormb(); - return val; -} - -static inline u32 readl(const volatile void __iomem *addr) -{ - u32 val; - - val = __arch_getl(addr); - __iormb(); - return val; -} - -/* - * The compiler seems to be incapable of optimising constants - * properly. Spell it out to the compiler in some cases. - * These are only valid for small values of "off" (< 1<<12) - */ -#define __raw_base_writeb(val, base, off) __arch_base_putb(val, base, off) -#define __raw_base_writew(val, base, off) __arch_base_putw(val, base, off) -#define __raw_base_writel(val, base, off) __arch_base_putl(val, base, off) - -#define __raw_base_readb(base, off) __arch_base_getb(base, off) -#define __raw_base_readw(base, off) __arch_base_getw(base, off) -#define __raw_base_readl(base, off) __arch_base_getl(base, off) - -#define out_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a) -#define in_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a)) - -#define out_le32(a, v) out_arch(l, le32, a, v) -#define out_le16(a, v) out_arch(w, le16, a, v) - -#define in_le32(a) in_arch(l, le32, a) -#define in_le16(a) in_arch(w, le16, a) - -#define out_be32(a, v) out_arch(l, be32, a, v) -#define out_be16(a, v) out_arch(w, be16, a, v) - -#define in_be32(a) in_arch(l, be32, a) -#define in_be16(a) in_arch(w, be16, a) - -#define out_8(a, v) __raw_writeb(v, a) -#define in_8(a) __raw_readb(a) - -/* - * Clear and set bits in one shot. These macros can be used to clear and - * set multiple bits in a register using a single call. These macros can - * also be used to set a multiple-bit bit pattern using a mask, by - * specifying the mask in the 'clear' parameter and the new bit pattern - * in the 'set' parameter. - */ - -#define clrbits(type, addr, clear) \ - out_##type((addr), in_##type(addr) & ~(clear)) - -#define setbits(type, addr, set) \ - out_##type((addr), in_##type(addr) | (set)) - -#define clrsetbits(type, addr, clear, set) \ - out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) - -#define clrbits_be32(addr, clear) clrbits(be32, addr, clear) -#define setbits_be32(addr, set) setbits(be32, addr, set) -#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) - -#define clrbits_le32(addr, clear) clrbits(le32, addr, clear) -#define setbits_le32(addr, set) setbits(le32, addr, set) -#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) - -#define clrbits_be16(addr, clear) clrbits(be16, addr, clear) -#define setbits_be16(addr, set) setbits(be16, addr, set) -#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) - -#define clrbits_le16(addr, clear) clrbits(le16, addr, clear) -#define setbits_le16(addr, set) setbits(le16, addr, set) -#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) - -#define clrbits_8(addr, clear) clrbits(8, addr, clear) -#define setbits_8(addr, set) setbits(8, addr, set) -#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) - -/* - * Now, pick up the machine-defined IO definitions - * #include <asm/arch/io.h> - */ - -/* - * IO port access primitives - * ------------------------- - * - * The NDS32 doesn't have special IO access instructions just like ARM; - * all IO is memory mapped. - * Note that these are defined to perform little endian accesses - * only. Their primary purpose is to access PCI and ISA peripherals. - * - * Note that for a big endian machine, this implies that the following - * big endian mode connectivity is in place, as described by numerious - * ARM documents: - * - * PCI: D0-D7 D8-D15 D16-D23 D24-D31 - * ARM: D24-D31 D16-D23 D8-D15 D0-D7 - * - * The machine specific io.h include defines __io to translate an "IO" - * address to a memory address. - * - * Note that we prevent GCC re-ordering or caching values in expressions - * by introducing sequence points into the in*() definitions. Note that - * __raw_* do not guarantee this behaviour. - * - * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. - */ -#ifdef __io -#define outb(v, p) __raw_writeb(v, __io(p)) -#define outw(v, p) __raw_writew(cpu_to_le16(v), __io(p)) -#define outl(v, p) __raw_writel(cpu_to_le32(v), __io(p)) - -#define inb(p) ({ unsigned int __v = __raw_readb(__io(p)); __v; }) -#define inw(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(__io(p))); __v; }) -#define inl(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(__io(p))); __v; }) - -#define outsb(p, d, l) writesb(__io(p), d, l) -#define outsw(p, d, l) writesw(__io(p), d, l) -#define outsl(p, d, l) writesl(__io(p), d, l) - -#define insb(p, d, l) readsb(__io(p), d, l) -#define insw(p, d, l) readsw(__io(p), d, l) -#define insl(p, d, l) readsl(__io(p), d, l) - -static inline void readsb(unsigned int *addr, void * data, int bytelen) -{ - unsigned char *ptr = (unsigned char *)addr; - unsigned char *ptr2 = (unsigned char *)data; - while (bytelen) { - *ptr2 = *ptr; - ptr2++; - bytelen--; - } -} - -static inline void readsw(unsigned int *addr, void * data, int wordlen) -{ - unsigned short *ptr = (unsigned short *)addr; - unsigned short *ptr2 = (unsigned short *)data; - while (wordlen) { - *ptr2 = *ptr; - ptr2++; - wordlen--; - } -} - -static inline void readsl(unsigned int *addr, void * data, int longlen) -{ - unsigned int *ptr = (unsigned int *)addr; - unsigned int *ptr2 = (unsigned int *)data; - while (longlen) { - *ptr2 = *ptr; - ptr2++; - longlen--; - } -} -static inline void writesb(unsigned int *addr, const void * data, int bytelen) -{ - unsigned char *ptr = (unsigned char *)addr; - unsigned char *ptr2 = (unsigned char *)data; - while (bytelen) { - *ptr = *ptr2; - ptr2++; - bytelen--; - } -} -static inline void writesw(unsigned int *addr, const void * data, int wordlen) -{ - unsigned short *ptr = (unsigned short *)addr; - unsigned short *ptr2 = (unsigned short *)data; - while (wordlen) { - *ptr = *ptr2; - ptr2++; - wordlen--; - } -} -static inline void writesl(unsigned int *addr, const void * data, int longlen) -{ - unsigned int *ptr = (unsigned int *)addr; - unsigned int *ptr2 = (unsigned int *)data; - while (longlen) { - *ptr = *ptr2; - ptr2++; - longlen--; - } -} -#endif - -#define outb_p(val, port) outb((val), (port)) -#define outw_p(val, port) outw((val), (port)) -#define outl_p(val, port) outl((val), (port)) -#define inb_p(port) inb((port)) -#define inw_p(port) inw((port)) -#define inl_p(port) inl((port)) - -#define outsb_p(port, from, len) outsb(port, from, len) -#define outsw_p(port, from, len) outsw(port, from, len) -#define outsl_p(port, from, len) outsl(port, from, len) -#define insb_p(port, to, len) insb(port, to, len) -#define insw_p(port, to, len) insw(port, to, len) -#define insl_p(port, to, len) insl(port, to, len) - -/* - * DMA-consistent mapping functions. These allocate/free a region of - * uncached, unwrite-buffered mapped memory space for use with DMA - * devices. This is the "generic" version. The PCI specific version - * is in pci.h - */ -extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle); -extern void consistent_free(void *vaddr, size_t size, dma_addr_t handle); -extern void consistent_sync(void *vaddr, size_t size, int rw); - -/* - * String version of IO memory access ops: - */ -extern void _memcpy_fromio(void *, unsigned long, size_t); -extern void _memcpy_toio(unsigned long, const void *, size_t); -extern void _memset_io(unsigned long, int, size_t); - -extern void __readwrite_bug(const char *fn); - -/* - * If this architecture has PCI memory IO, then define the read/write - * macros. These should only be used with the cookie passed from - * ioremap. - */ -#ifdef __mem_pci - -#define readb(c) ({ unsigned int __v = \ - __raw_readb(__mem_pci(c)); __v; }) -#define readw(c) ({ unsigned int __v = \ - le16_to_cpu(__raw_readw(__mem_pci(c))); __v; }) -#define readl(c) ({ unsigned int __v = \ - le32_to_cpu(__raw_readl(__mem_pci(c))); __v; }) - -#define writeb(v, c) __raw_writeb(v, __mem_pci(c)) -#define writew(v, c) __raw_writew(cpu_to_le16(v), __mem_pci(c)) -#define writel(v, c) __raw_writel(cpu_to_le32(v), __mem_pci(c)) - -#define memset_io(c, v, l) _memset_io(__mem_pci(c), (v), (l)) -#define memcpy_fromio(a, c, l) _memcpy_fromio((a), __mem_pci(c), (l)) -#define memcpy_toio(c, a, l) _memcpy_toio(__mem_pci(c), (a), (l)) - -#define eth_io_copy_and_sum(s, c, l, b) \ - eth_copy_and_sum((s), __mem_pci(c), (l), (b)) - -static inline int -check_signature(unsigned long io_addr, const unsigned char *signature, - int length) -{ - int retval = 0; - do { - if (readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} -#endif /* __mem_pci */ - -/* - * If this architecture has ISA IO, then define the isa_read/isa_write - * macros. - */ -#ifdef __mem_isa - -#define isa_readb(addr) __raw_readb(__mem_isa(addr)) -#define isa_readw(addr) __raw_readw(__mem_isa(addr)) -#define isa_readl(addr) __raw_readl(__mem_isa(addr)) -#define isa_writeb(val, addr) __raw_writeb(val, __mem_isa(addr)) -#define isa_writew(val, addr) __raw_writew(val, __mem_isa(addr)) -#define isa_writel(val, addr) __raw_writel(val, __mem_isa(addr)) -#define isa_memset_io(a, b, c) _memset_io(__mem_isa(a), (b), (c)) -#define isa_memcpy_fromio(a, b, c) _memcpy_fromio((a), __mem_isa(b), (c)) -#define isa_memcpy_toio(a, b, c) _memcpy_toio(__mem_isa((a)), (b), (c)) - -#define isa_eth_io_copy_and_sum(a, b, c, d) \ - eth_copy_and_sum((a), __mem_isa(b), (c), (d)) - -static inline int -isa_check_signature(unsigned long io_addr, const unsigned char *signature, - int length) -{ - int retval = 0; - do { - if (isa_readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} - -#else /* __mem_isa */ - -#define isa_readb(addr) (__readwrite_bug("isa_readb"), 0) -#define isa_readw(addr) (__readwrite_bug("isa_readw"), 0) -#define isa_readl(addr) (__readwrite_bug("isa_readl"), 0) -#define isa_writeb(val, addr) __readwrite_bug("isa_writeb") -#define isa_writew(val, addr) __readwrite_bug("isa_writew") -#define isa_writel(val, addr) __readwrite_bug("isa_writel") -#define isa_memset_io(a, b, c) __readwrite_bug("isa_memset_io") -#define isa_memcpy_fromio(a, b, c) __readwrite_bug("isa_memcpy_fromio") -#define isa_memcpy_toio(a, b, c) __readwrite_bug("isa_memcpy_toio") - -#define isa_eth_io_copy_and_sum(a, b, c, d) \ - __readwrite_bug("isa_eth_io_copy_and_sum") - -#define isa_check_signature(io, sig, len) (0) - -#endif /* __mem_isa */ - -#include <asm-generic/io.h> - -#endif /* __KERNEL__ */ -#endif /* __ASM_NDS_IO_H */ diff --git a/arch/nds32/include/asm/linkage.h b/arch/nds32/include/asm/linkage.h deleted file mode 100644 index 0c8822b..0000000 --- a/arch/nds32/include/asm/linkage.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * U-Boot - linkage.h - * - * Copyright (c) 2005-2007 Analog Devices Inc. - */ - -#ifndef __ASM_LINKAGE_H -#define __ASM_LINKAGE_H - -#endif diff --git a/arch/nds32/include/asm/mach-types.h b/arch/nds32/include/asm/mach-types.h deleted file mode 100644 index 99904f9..0000000 --- a/arch/nds32/include/asm/mach-types.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * This was automagically generated from arch/nds/tools/mach-types! - * Do NOT edit - */ - -#ifndef __ASM_NDS32_MACH_TYPE_H -#define __ASM_NDS32_MACH_TYPE_H - -#ifndef __ASSEMBLY__ -/* The type of machine we're running on */ -extern unsigned int __machine_arch_type; -#endif - -/* see arch/arm/kernel/arch.c for a description of these */ -#define MACH_TYPE_ADPAG101P 1 -#define MACH_TYPE_ADPAE3XX 2 - -#ifdef CONFIG_ARCH_ADPAG101P -# ifdef machine_arch_type -# undef machine_arch_type -# define machine_arch_type __machine_arch_type -# else -# define machine_arch_type MACH_TYPE_ADPAG101P -# endif -# define machine_is_adpag101p() (machine_arch_type == MACH_TYPE_ADPAG101P) -#else -# define machine_is_adpag101p() (1) -#endif - -#endif /* __ASM_NDS32_MACH_TYPE_H */ diff --git a/arch/nds32/include/asm/macro.h b/arch/nds32/include/asm/macro.h deleted file mode 100644 index 4e11947..0000000 --- a/arch/nds32/include/asm/macro.h +++ /dev/null @@ -1,79 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * include/asm-nds32/macro.h - * - * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * Copyright (C) 2011 Andes Technology Corporation - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#ifndef __ASM_NDS_MACRO_H -#define __ASM_NDS_MACRO_H -#ifdef __ASSEMBLY__ - -/* - * These macros provide a convenient way to write 8, 16 and 32 bit data - * to an "immediate address (address used by periphal)" only. - * Registers r4 and r5 are used, any data in these registers are - * overwritten by the macros. - * The macros are valid for any NDS32 architecture, they do not implement - * any memory barriers so caution is recommended when using these when the - * caches are enabled or on a multi-core system. - */ - -.macro write32, addr, data - li $r4, \addr - li $r5, \data - swi $r5, [$r4] -.endm - -.macro write16, addr, data - li $r4, \addr - li $r5, \data - shi $r5, [$r4] -.endm - -.macro write8, addr, data - li $r4, \addr - li $r5, \data - sbi $r5, [$r4] -.endm - -/* - * This macro read a value from a register, then do OR operation - * (set bit fields) to the value, and then store it back to the register. - * Note: Instruction 'ori' supports immediate value up to 15 bits. - */ -.macro setbf32, addr, data - li $r4, \addr - lwi $r5, [$r4] - li $r6, \data - or $r5, $r5, $r6 - swi $r5, [$r4] -.endm - -.macro setbf15, addr, data - li $r4, \addr - lwi $r5, [$r4] - ori $r5, $r5, \data - swi $r5, [$r4] -.endm - -/* - * This macro generates a loop that can be used for delays in the code. - * Register r4 is used, any data in this register is overwritten by the - * macro. - * The macro is valid for any NDS32 architeture. The actual time spent in the - * loop will vary from CPU to CPU though. - */ - -.macro wait_timer, time - li $r4, \time -1: - nop - addi $r4, $r4, -1 - bnez $r4, 1b -.endm - -#endif /* __ASSEMBLY__ */ -#endif /* __ASM_ARM_MACRO_H */ diff --git a/arch/nds32/include/asm/posix_types.h b/arch/nds32/include/asm/posix_types.h deleted file mode 100644 index e6c591d..0000000 --- a/arch/nds32/include/asm/posix_types.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * linux/include/asm-arm/posix_types.h - * - * Copyright (C) 1996-1998 Russell King. - * - * Copyright (C) 2011 Andes Technology Corporation - * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) - * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Changelog: - * 27-06-1996 RMK Created - * 05-03-2010 Modified for arch NDS32 - */ -#ifndef __ARCH_NDS_POSIX_TYPES_H -#define __ARCH_NDS_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned short __kernel_dev_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -#ifdef __GNUC__ -typedef __SIZE_TYPE__ __kernel_size_t; -#else -typedef unsigned int __kernel_size_t; -#endif -typedef int __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_daddr_t; -typedef char *__kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(fd, fdsetp) \ - (((fd_set *)fdsetp)->fds_bits[fd >> 5] |= (1<<(fd & 31))) - -#undef __FD_CLR -#define __FD_CLR(fd, fdsetp) \ - (((fd_set *)fdsetp)->fds_bits[fd >> 5] &= ~(1<<(fd & 31))) - -#undef __FD_ISSET -#define __FD_ISSET(fd, fdsetp) \ - ((((fd_set *)fdsetp)->fds_bits[fd >> 5] & (1<<(fd & 31))) != 0) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) \ - (memset(fdsetp, 0, sizeof(*(fd_set *) fdsetp))) - -#endif - -#endif /* __ARCH_NDS_POSIX_TYPES_H */ diff --git a/arch/nds32/include/asm/processor.h b/arch/nds32/include/asm/processor.h deleted file mode 100644 index e5d186c..0000000 --- a/arch/nds32/include/asm/processor.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * linux/include/asm-arm/processor.h - * - * Copyright (C) 1995-2002 Russell King - * - * Copyright (C) 2011 Andes Technology Corporation - * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) - * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_NDS_PROCESSOR_H -#define __ASM_NDS_PROCESSOR_H - -/************************************************************** - * CAUTION: - * - do not implement for NDS32 Arch yet. - * - so far some files include /asm/processor.h, but - * no one uses the macros defined in this head file. - **************************************************************/ - -#endif /* __ASM_ARM_PROCESSOR_H */ diff --git a/arch/nds32/include/asm/ptrace.h b/arch/nds32/include/asm/ptrace.h deleted file mode 100644 index ee181b2..0000000 --- a/arch/nds32/include/asm/ptrace.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) - * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_NDS_PTRACE_H -#define __ASM_NDS_PTRACE_H - -#define USR_MODE 0x00 -#define SU_MODE 0x01 -#define HV_MODE 0x10 -#define MODE_MASK (0x03<<3) -#define GIE_BIT 0x01 - -#ifndef __ASSEMBLY__ - -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -#define NDS32_REG long - -struct pt_regs { - NDS32_REG ir0; - NDS32_REG ipsw; - NDS32_REG ipc; - NDS32_REG sp; - NDS32_REG orig_r0; - NDS32_REG pipsw; - NDS32_REG pipc; - NDS32_REG pp0; - NDS32_REG pp1; - NDS32_REG d0hi; - NDS32_REG d0lo; - NDS32_REG d1hi; - NDS32_REG d1lo; - NDS32_REG r[26]; /* r0 - r25 */ - NDS32_REG p0; /* r26 - used by OS */ - NDS32_REG p1; /* r27 - used by OS */ - NDS32_REG fp; /* r28 */ - NDS32_REG gp; /* r29 */ - NDS32_REG lp; /* r30 */ - NDS32_REG fucop_ctl; - NDS32_REG osp; -}; - -#define processor_mode(regs) \ - (((regs)->ipsw & MODE_MASK) >> 3) - -#define interrupts_enabled(regs) \ - ((regs)->ipsw & GIE_BIT) - -/* - * Offsets used by 'ptrace' system call interface. - * These can't be changed without breaking binary compatibility - * with MkLinux, etc. - */ -#define PT_R0 0 -#define PT_R1 1 -#define PT_R2 2 -#define PT_R3 3 -#define PT_R4 4 -#define PT_R5 5 -#define PT_R6 6 -#define PT_R7 7 -#define PT_R8 8 -#define PT_R9 9 -#define PT_R10 10 -#define PT_R11 11 -#define PT_R12 12 -#define PT_R13 13 -#define PT_R14 14 -#define PT_R15 15 -#define PT_R16 16 -#define PT_R17 17 -#define PT_R18 18 -#define PT_R19 19 -#define PT_R20 20 -#define PT_R21 21 -#define PT_R22 22 -#define PT_R23 23 -#define PT_R24 24 -#define PT_R25 25 - -#endif /* __ASSEMBLY__ */ - -#endif /* __ASM_NDS_PTRACE_H */ diff --git a/arch/nds32/include/asm/sections.h b/arch/nds32/include/asm/sections.h deleted file mode 100644 index aba9d97..0000000 --- a/arch/nds32/include/asm/sections.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (c) 2012 The Chromium OS Authors. - */ - -#ifndef __ASM_NDS32_SECTIONS_H -#define __ASM_NDS32_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif diff --git a/arch/nds32/include/asm/setup.h b/arch/nds32/include/asm/setup.h deleted file mode 100644 index a7d5237..0000000 --- a/arch/nds32/include/asm/setup.h +++ /dev/null @@ -1,189 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/arch/nds32/include/asm/setup.h - * - * Copyright (C) 1997-1999 Russell King - * Copyright (C) 2008 Andes Technology Corporation - * Copyright (C) 2013 Ken Kuo (ken_kuo@andestech.com) - * - * Structure passed to kernel to tell it about the - * hardware it's running on. See Documentation/arm/Setup - * for more info. - */ -#ifndef __ASMNDS32_SETUP_H -#define __ASMNDS32_SETUP_H - -#define COMMAND_LINE_SIZE 256 - -/* The list ends with an ATAG_NONE node. */ -#define ATAG_NONE 0x00000000 - -struct tag_header { - u32 size; - u32 tag; -}; - -/* The list must start with an ATAG_CORE node */ -#define ATAG_CORE 0x54410001 - -struct tag_core { - u32 flags; /* bit 0 = read-only */ - u32 pagesize; - u32 rootdev; -}; - -/* it is allowed to have multiple ATAG_MEM nodes */ -#define ATAG_MEM 0x54410002 - -struct tag_mem32 { - u32 size; - u32 start; /* physical start address */ -}; - -/* VGA text type displays */ -#define ATAG_VIDEOTEXT 0x54410003 - -struct tag_videotext { - u8 x; - u8 y; - u16 video_page; - u8 video_mode; - u8 video_cols; - u16 video_ega_bx; - u8 video_lines; - u8 video_isvga; - u16 video_points; -}; - -/* describes how the ramdisk will be used in kernel */ -#define ATAG_RAMDISK 0x54410004 - -struct tag_ramdisk { - u32 flags; /* bit 0 = load, bit 1 = prompt */ - u32 size; /* decompressed ramdisk size in _kilo_ bytes */ - u32 start; /* starting block of floppy-based RAM disk image */ -}; - -/* - * this one accidentally used virtual addresses - as such, - * it's deprecated. - * describes where the compressed ramdisk image lives (virtual address) - */ -#define ATAG_INITRD 0x54410005 - -/* describes where the compressed ramdisk image lives (physical address) */ -#define ATAG_INITRD2 0x54420005 - -struct tag_initrd { - u32 start; /* physical start address */ - u32 size; /* size of compressed ramdisk image in bytes */ -}; - -/* board serial number. "64 bits should be enough for everybody" */ -#define ATAG_SERIAL 0x54410006 - -struct tag_serialnr { - u32 low; - u32 high; -}; - -/* board revision */ -#define ATAG_REVISION 0x54410007 - -struct tag_revision { - u32 rev; -}; - -/* initial values for vesafb-type framebuffers. see struct screen_info - * in include/linux/tty.h - */ -#define ATAG_VIDEOLFB 0x54410008 - -struct tag_videolfb { - u16 lfb_width; - u16 lfb_height; - u16 lfb_depth; - u16 lfb_linelength; - u32 lfb_base; - u32 lfb_size; - u8 red_size; - u8 red_pos; - u8 green_size; - u8 green_pos; - u8 blue_size; - u8 blue_pos; - u8 rsvd_size; - u8 rsvd_pos; -}; - -/* command line: \0 terminated string */ -#define ATAG_CMDLINE 0x54410009 - -struct tag_cmdline { - char cmdline[COMMAND_LINE_SIZE]; -}; - -struct tag { - struct tag_header hdr; - union { - struct tag_core core; - struct tag_mem32 mem; - struct tag_videotext videotext; - struct tag_ramdisk ramdisk; - struct tag_initrd initrd; - struct tag_serialnr serialnr; - struct tag_revision revision; - struct tag_videolfb videolfb; - struct tag_cmdline cmdline; - } u; -}; - -struct tagtable { - u32 tag; - int (*parse)(const struct tag *); -}; - -#define tag_member_present(tag, member) \ - ((unsigned long)(&((struct tag *)0L)->member + 1) \ - <= (tag)->hdr.size * 4) - -#define tag_next(t) ((struct tag *)((u32 *)(t) + (t)->hdr.size)) -#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2) - -#define for_each_tag(t, base) \ - for (t = base; t->hdr.size; t = tag_next(t)) - -#ifdef __KERNEL__ - -#define __tag __used __section(".taglist") -#define __tagtable(tag, fn) \ -static struct tagtable __tagtable_##fn __tag = { tag, fn } - -/* - * Memory map description - */ -#define NR_BANKS 8 - -struct meminfo { - int nr_banks; - struct { - unsigned long start; - unsigned long size; - int node; - } bank[NR_BANKS]; -}; - -/* - * Early command line parameters. - */ -struct early_params { - const char *arg; - void (*fn)(char **p); -}; - -#define __early_param(name, fn) \ -static struct early_params __early_##fn __used \ -__section("__early_param") = { name, fn } - -#endif -#endif diff --git a/arch/nds32/include/asm/spl.h b/arch/nds32/include/asm/spl.h deleted file mode 100644 index e69de29..0000000 --- a/arch/nds32/include/asm/spl.h +++ /dev/null diff --git a/arch/nds32/include/asm/string.h b/arch/nds32/include/asm/string.h deleted file mode 100644 index 610aa9e..0000000 --- a/arch/nds32/include/asm/string.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) - * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef __ASM_NDS_STRING_H -#define __ASM_NDS_STRING_H - -/* - * We don't do inline string functions, since the - * optimised inline asm versions are not small. - */ - -#undef __HAVE_ARCH_STRRCHR -extern char *strrchr(const char *s, int c); - -#undef __HAVE_ARCH_STRCHR -extern char *strchr(const char *s, int c); - -#undef __HAVE_ARCH_MEMCPY -extern void *memcpy(void *, const void *, __kernel_size_t); - -#undef __HAVE_ARCH_MEMMOVE -extern void *memmove(void *, const void *, __kernel_size_t); - -#undef __HAVE_ARCH_MEMCHR -extern void *memchr(const void *, int, __kernel_size_t); - -#undef __HAVE_ARCH_MEMZERO -#undef __HAVE_ARCH_MEMSET -extern void *memset(void *, int, __kernel_size_t); - -#ifdef CONFIG_MARCO_MEMSET -extern void __memzero(void *ptr, __kernel_size_t n); - -#define memset(p, v, n) \ - ({ \ - if ((n) != 0) { \ - if (__builtin_constant_p((v)) && (v) == 0) \ - __memzero((p), (n)); \ - else \ - memset((p), (v), (n)); \ - } \ - (p); \ - }) - -#define memzero(p, n) ({ if ((n) != 0) __memzero((p), (n)); (p); }) -#else -extern void memzero(void *ptr, __kernel_size_t n); -#endif - -#endif /* __ASM_NDS_STRING_H */ diff --git a/arch/nds32/include/asm/system.h b/arch/nds32/include/asm/system.h deleted file mode 100644 index 5453a9b..0000000 --- a/arch/nds32/include/asm/system.h +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#ifndef __ASM_NDS_SYSTEM_H -#define __ASM_NDS_SYSTEM_H - -/* - * Interrupt configuring macros. - */ - -extern int irq_flags; - -#define local_irq_enable() \ - __asm__ __volatile__ ( \ - "mfsr %0, $psw\n\t" \ - "andi %0, %0, 0x1\n\t" \ - "setgie.e\n\t" \ - : \ - : "r" (irq_flags) \ - ) - -#define local_irq_disable() \ - do { \ - int __tmp_dummy; \ - __asm__ __volatile__ ( \ - "mfsr %0, $psw\n\t" \ - "andi %0, %0, 0x1\n\t" \ - "setgie.d\n\t" \ - "dsb\n\t" \ - : "=r" (__tmp_dummy) \ - ); \ - } while (0) - -#define local_irq_save(x) \ - __asm__ __volatile__ ( \ - "mfsr %0, $psw\n\t" \ - "andi %0, %0, 0x1\n\t" \ - "setgie.d\n\t" \ - "dsb\n\t" \ - : "=&r" (x) \ - ) - -#define local_save_flags(x) \ - __asm__ __volatile__ ( \ - "mfsr %0, $psw\n\t" \ - "andi %0, %0, 0x1\n\t" \ - "setgie.e\n\t" \ - "setgie.d\n\t" \ - : "=r" (x) \ - ) - -#define irqs_enabled_from_flags(x) ((x) != 0x1f) - -#define local_irq_restore(x) \ - do { \ - if (irqs_enabled_from_flags(x)) \ - local_irq_enable(); \ - } while (0) - -/* - * Force strict CPU ordering. - */ -#define nop() asm volatile ("nop;\n\t" : : ) -#define mb() asm volatile ("" : : : "memory") -#define rmb() asm volatile ("" : : : "memory") -#define wmb() asm volatile ("" : : : "memory") - -#endif /* __ASM_NDS_SYSTEM_H */ diff --git a/arch/nds32/include/asm/types.h b/arch/nds32/include/asm/types.h deleted file mode 100644 index d2444da..0000000 --- a/arch/nds32/include/asm/types.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) - * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef __ASM_NDS_TYPES_H -#define __ASM_NDS_TYPES_H - -#include <asm-generic/int-ll64.h> - -typedef unsigned short umode_t; - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -#ifdef __KERNEL__ - -#define BITS_PER_LONG 32 - -#include <stddef.h> - -typedef u32 dma_addr_t; - -typedef unsigned long phys_addr_t; -typedef unsigned long phys_size_t; - -#endif /* __KERNEL__ */ - -#endif diff --git a/arch/nds32/include/asm/u-boot-nds32.h b/arch/nds32/include/asm/u-boot-nds32.h deleted file mode 100644 index f086f34..0000000 --- a/arch/nds32/include/asm/u-boot-nds32.h +++ /dev/null @@ -1,30 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#ifndef _U_BOOT_NDS32_H_ -#define _U_BOOT_NDS32_H_ 1 - -#include <linux/types.h> - -/* for the following variables, see start.S */ -extern ulong IRQ_STACK_START; /* top of IRQ stack */ -extern ulong FIQ_STACK_START; /* top of FIQ stack */ - -/* cpu/.../cpu.c */ -int cleanup_before_linux(void); - -/* board/.../... */ -int board_init(void); - -/* cpu/.../interrupt.c */ -void reset_timer_masked(void); - -#endif /* _U_BOOT_NDS32_H_ */ diff --git a/arch/nds32/include/asm/u-boot.h b/arch/nds32/include/asm/u-boot.h deleted file mode 100644 index 7b6e905..0000000 --- a/arch/nds32/include/asm/u-boot.h +++ /dev/null @@ -1,29 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Copyright (C) 2011 Andes Technology Corporation - * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) - * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) - * - ******************************************************************** - * NOTE: This header file defines an interface to U-Boot. Including - * this (unmodified) header file in another file is considered normal - * use of U-Boot, and does *not* fall under the heading of "derived - * work". - ******************************************************************** - */ - -#ifndef _U_BOOT_H_ -#define _U_BOOT_H_ 1 - -/* Use the generic board which requires a unified bd_info */ -#include <asm-generic/u-boot.h> -#include <asm/u-boot-nds32.h> - -/* For image.h:image_check_target_arch() */ -#define IH_ARCH_DEFAULT IH_ARCH_NDS32 - -#endif /* _U_BOOT_H_ */ diff --git a/arch/nds32/include/asm/unaligned.h b/arch/nds32/include/asm/unaligned.h deleted file mode 100644 index 6cecbbb..0000000 --- a/arch/nds32/include/asm/unaligned.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/unaligned.h> diff --git a/arch/nds32/lib/Makefile b/arch/nds32/lib/Makefile deleted file mode 100644 index 501f26f..0000000 --- a/arch/nds32/lib/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# Copyright (C) 2011 Andes Technology Corporation -# Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> -# Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - -obj-y += cache.o -obj-$(CONFIG_CMD_BOOTM) += bootm.o -obj-$(CONFIG_CMD_GO) += boot.o -obj-y += interrupts.o diff --git a/arch/nds32/lib/asm-offsets.c b/arch/nds32/lib/asm-offsets.c deleted file mode 100644 index 39e3480..0000000 --- a/arch/nds32/lib/asm-offsets.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c - * - * Generate definitions needed by assembly language modules. - * This code generates raw asm output which is post-processed to extract - * and format the required data. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <common.h> - -#include <linux/kbuild.h> - -int main(void) -{ - /* - * TODO : Check if each entry in this file is really necessary. - * - struct ftahbc02s - * - struct ftsdmc021 - * - struct andes_pcu - * - struct dwcddr21mctl - * are used only for generating asm-offsets.h. - * It means their offset addresses are referenced only from assembly - * code. Is it better to define the macros directly in headers? - */ - -#ifdef CONFIG_FTSMC020 - OFFSET(FTSMC020_BANK0_CR, ftsmc020, bank[0].cr); - OFFSET(FTSMC020_BANK0_TPR, ftsmc020, bank[0].tpr); -#endif - BLANK(); -#ifdef CONFIG_FTAHBC020S - OFFSET(FTAHBC020S_SLAVE_BSR_4, ftahbc02s, s_bsr[4]); - OFFSET(FTAHBC020S_SLAVE_BSR_6, ftahbc02s, s_bsr[6]); - OFFSET(FTAHBC020S_CR, ftahbc02s, cr); -#endif - BLANK(); -#ifdef CONFIG_FTPMU010 - OFFSET(FTPMU010_PDLLCR0, ftpmu010, PDLLCR0); -#endif - BLANK(); -#ifdef CONFIG_FTSDMC021 - OFFSET(FTSDMC021_TP1, ftsdmc021, tp1); - OFFSET(FTSDMC021_TP2, ftsdmc021, tp2); - OFFSET(FTSDMC021_CR1, ftsdmc021, cr1); - OFFSET(FTSDMC021_CR2, ftsdmc021, cr2); - OFFSET(FTSDMC021_BANK0_BSR, ftsdmc021, bank0_bsr); - OFFSET(FTSDMC021_BANK1_BSR, ftsdmc021, bank1_bsr); - OFFSET(FTSDMC021_BANK2_BSR, ftsdmc021, bank2_bsr); - OFFSET(FTSDMC021_BANK3_BSR, ftsdmc021, bank3_bsr); -#endif - BLANK(); -#ifdef CONFIG_ANDES_PCU - OFFSET(ANDES_PCU_PCS4, andes_pcu, pcs4.parm); /* 0x104 */ -#endif - BLANK(); -#ifdef CONFIG_DWCDDR21MCTL - OFFSET(DWCDDR21MCTL_CCR, dwcddr21mctl, ccr); /* 0x04 */ - OFFSET(DWCDDR21MCTL_DCR, dwcddr21mctl, dcr); /* 0x04 */ - OFFSET(DWCDDR21MCTL_IOCR, dwcddr21mctl, iocr); /* 0x08 */ - OFFSET(DWCDDR21MCTL_CSR, dwcddr21mctl, csr); /* 0x0c */ - OFFSET(DWCDDR21MCTL_DRR, dwcddr21mctl, drr); /* 0x10 */ - OFFSET(DWCDDR21MCTL_DLLCR0, dwcddr21mctl, dllcr[0]); /* 0x24 */ - OFFSET(DWCDDR21MCTL_DLLCR1, dwcddr21mctl, dllcr[1]); /* 0x28 */ - OFFSET(DWCDDR21MCTL_DLLCR2, dwcddr21mctl, dllcr[2]); /* 0x2c */ - OFFSET(DWCDDR21MCTL_DLLCR3, dwcddr21mctl, dllcr[3]); /* 0x30 */ - OFFSET(DWCDDR21MCTL_DLLCR4, dwcddr21mctl, dllcr[4]); /* 0x34 */ - OFFSET(DWCDDR21MCTL_DLLCR5, dwcddr21mctl, dllcr[5]); /* 0x38 */ - OFFSET(DWCDDR21MCTL_DLLCR6, dwcddr21mctl, dllcr[6]); /* 0x3c */ - OFFSET(DWCDDR21MCTL_DLLCR7, dwcddr21mctl, dllcr[7]); /* 0x40 */ - OFFSET(DWCDDR21MCTL_DLLCR8, dwcddr21mctl, dllcr[8]); /* 0x44 */ - OFFSET(DWCDDR21MCTL_DLLCR9, dwcddr21mctl, dllcr[9]); /* 0x48 */ - OFFSET(DWCDDR21MCTL_RSLR0, dwcddr21mctl, rslr[0]); /* 0x4c */ - OFFSET(DWCDDR21MCTL_RDGR0, dwcddr21mctl, rdgr[0]); /* 0x5c */ - OFFSET(DWCDDR21MCTL_DTAR, dwcddr21mctl, dtar); /* 0xa4 */ - OFFSET(DWCDDR21MCTL_MR, dwcddr21mctl, mr); /* 0x1f0 */ -#endif - - return 0; -} diff --git a/arch/nds32/lib/boot.c b/arch/nds32/lib/boot.c deleted file mode 100644 index da2fd36..0000000 --- a/arch/nds32/lib/boot.c +++ /dev/null @@ -1,17 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Rick Chen, Andes Technology Corporation <rick@andestech.com> - */ - - -#include <common.h> -#include <command.h> - -unsigned long do_go_exec(ulong (*entry)(int, char * const []), - int argc, char *const argv[]) -{ - cleanup_before_linux(); - - return entry(argc, argv); -} diff --git a/arch/nds32/lib/bootm.c b/arch/nds32/lib/bootm.c deleted file mode 100644 index 71ebfb4..0000000 --- a/arch/nds32/lib/bootm.c +++ /dev/null @@ -1,248 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#include <common.h> -#include <bootstage.h> -#include <command.h> -#include <env.h> -#include <hang.h> -#include <image.h> -#include <log.h> -#include <asm/global_data.h> -#include <u-boot/zlib.h> -#include <asm/byteorder.h> -#include <asm/bootm.h> - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_SUPPORT_PASSING_ATAGS -static void setup_start_tag(struct bd_info *bd); - -# ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags(struct bd_info *bd); -# endif -static void setup_commandline_tag(struct bd_info *bd, char *commandline); - -# ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag(struct bd_info *bd, ulong initrd_start, - ulong initrd_end); -# endif -static void setup_end_tag(struct bd_info *bd); - -static struct tag *params; -#endif /* CONFIG_SUPPORT_PASSING_ATAGS */ - -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) -{ - struct bd_info *bd = gd->bd; - char *s; - int machid = bd->bi_arch_number; - void (*theKernel)(int zero, int arch, uint params); - -#ifdef CONFIG_CMDLINE_TAG - char *commandline = env_get("bootargs"); -#endif - - /* - * allow the PREP bootm subcommand, it is required for bootm to work - */ - if (flag & BOOTM_STATE_OS_PREP) - return 0; - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - theKernel = (void (*)(int, int, uint))images->ep; - - s = env_get("machid"); - if (s) { - machid = hextoul(s, NULL); - printf("Using machid 0x%x from environment\n", machid); - } - - bootstage_mark(BOOTSTAGE_ID_RUN_OS); - - debug("## Transferring control to Linux (at address %08lx) ...\n", - (ulong)theKernel); - - if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) { -#ifdef CONFIG_OF_LIBFDT - debug("using: FDT\n"); - if (image_setup_linux(images)) { - printf("FDT creation failed! hanging..."); - hang(); - } -#endif - } else if (BOOTM_ENABLE_TAGS) { -#ifdef CONFIG_SUPPORT_PASSING_ATAGS - setup_start_tag(bd); -#ifdef CONFIG_SERIAL_TAG - setup_serial_tag(¶ms); -#endif -#ifdef CONFIG_REVISION_TAG - setup_revision_tag(¶ms); -#endif -#ifdef CONFIG_SETUP_MEMORY_TAGS - setup_memory_tags(bd); -#endif -#ifdef CONFIG_CMDLINE_TAG - setup_commandline_tag(bd, commandline); -#endif -#ifdef CONFIG_INITRD_TAG - if (images->rd_start && images->rd_end) - setup_initrd_tag(bd, images->rd_start, images->rd_end); -#endif - setup_end_tag(bd); -#endif - - /* we assume that the kernel is in place */ - printf("\nStarting kernel ...\n\n"); - -#ifdef CONFIG_USB_DEVICE - { - extern void udc_disconnect(void); - udc_disconnect(); - } -#endif - } - cleanup_before_linux(); - if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) - theKernel(0, machid, (unsigned long)images->ft_addr); - else - theKernel(0, machid, bd->bi_boot_params); - /* does not return */ - - return 1; -} - -#ifdef CONFIG_SUPPORT_PASSING_ATAGS -static void setup_start_tag(struct bd_info *bd) -{ - params = (struct tag *)bd->bi_boot_params; - - params->hdr.tag = ATAG_CORE; - params->hdr.size = tag_size(tag_core); - - params->u.core.flags = 0; - params->u.core.pagesize = 0; - params->u.core.rootdev = 0; - - params = tag_next(params); -} - -#ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags(struct bd_info *bd) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - params->hdr.tag = ATAG_MEM; - params->hdr.size = tag_size(tag_mem32); - - params->u.mem.start = bd->bi_dram[i].start; - params->u.mem.size = bd->bi_dram[i].size; - - params = tag_next(params); - } -} -#endif /* CONFIG_SETUP_MEMORY_TAGS */ - -static void setup_commandline_tag(struct bd_info *bd, char *commandline) -{ - char *p; - - if (!commandline) - return; - - /* eat leading white space */ - for (p = commandline; *p == ' '; p++) - ; - - /* skip non-existent command lines so the kernel will still - * use its default command line. - */ - if (*p == '\0') - return; - - params->hdr.tag = ATAG_CMDLINE; - params->hdr.size = - (sizeof(struct tag_header) + strlen(p) + 1 + 4) >> 2; - - strcpy(params->u.cmdline.cmdline, p) - ; - - params = tag_next(params); -} - -#ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag(struct bd_info *bd, ulong initrd_start, - ulong initrd_end) -{ - /* an ATAG_INITRD node tells the kernel where the compressed - * ramdisk can be found. ATAG_RDIMG is a better name, actually. - */ - params->hdr.tag = ATAG_INITRD2; - params->hdr.size = tag_size(tag_initrd); - - params->u.initrd.start = initrd_start; - params->u.initrd.size = initrd_end - initrd_start; - - params = tag_next(params); -} -#endif /* CONFIG_INITRD_TAG */ - -#ifdef CONFIG_SERIAL_TAG -void setup_serial_tag(struct tag **tmp) -{ - struct tag *params = *tmp; - struct tag_serialnr serialnr; - void get_board_serial(struct tag_serialnr *serialnr); - - get_board_serial(&serialnr); - params->hdr.tag = ATAG_SERIAL; - params->hdr.size = tag_size(tag_serialnr); - params->u.serialnr.low = serialnr.low; - params->u.serialnr.high = serialnr.high; - params = tag_next(params); - *tmp = params; -} -#endif - -#ifdef CONFIG_REVISION_TAG -void setup_revision_tag(struct tag **in_params) -{ - u32 rev = 0; - u32 get_board_rev(void); - - rev = get_board_rev(); - params->hdr.tag = ATAG_REVISION; - params->hdr.size = tag_size(tag_revision); - params->u.revision.rev = rev; - params = tag_next(params); -} -#endif /* CONFIG_REVISION_TAG */ - -static void setup_end_tag(struct bd_info *bd) -{ - params->hdr.tag = ATAG_NONE; - params->hdr.size = 0; -} - -#endif /* CONFIG_SUPPORT_PASSING_ATAGS */ - -static ulong get_sp(void) -{ - ulong ret; - - asm("move %0, $sp" : "=r"(ret) : ); - return ret; -} - -void arch_lmb_reserve(struct lmb *lmb) -{ - arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096); -} diff --git a/arch/nds32/lib/cache.c b/arch/nds32/lib/cache.c deleted file mode 100644 index 21917e5..0000000 --- a/arch/nds32/lib/cache.c +++ /dev/null @@ -1,268 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2012 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#include <common.h> -#include <cpu_func.h> -#if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) -#include <asm/cache.h> -static inline unsigned long CACHE_SET(unsigned char cache) -{ - if (cache == ICACHE) - return 64 << ((GET_ICM_CFG() & ICM_CFG_MSK_ISET) \ - >> ICM_CFG_OFF_ISET); - else - return 64 << ((GET_DCM_CFG() & DCM_CFG_MSK_DSET) \ - >> DCM_CFG_OFF_DSET); -} - -static inline unsigned long CACHE_WAY(unsigned char cache) -{ - if (cache == ICACHE) - return 1 + ((GET_ICM_CFG() & ICM_CFG_MSK_IWAY) \ - >> ICM_CFG_OFF_IWAY); - else - return 1 + ((GET_DCM_CFG() & DCM_CFG_MSK_DWAY) \ - >> DCM_CFG_OFF_DWAY); -} - -static inline unsigned long CACHE_LINE_SIZE(enum cache_t cache) -{ - if (cache == ICACHE) - return 8 << (((GET_ICM_CFG() & ICM_CFG_MSK_ISZ) \ - >> ICM_CFG_OFF_ISZ) - 1); - else - return 8 << (((GET_DCM_CFG() & DCM_CFG_MSK_DSZ) \ - >> DCM_CFG_OFF_DSZ) - 1); -} -#endif - -#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF) -void invalidate_icache_all(void) -{ - unsigned long end, line_size; - line_size = CACHE_LINE_SIZE(ICACHE); - end = line_size * CACHE_WAY(ICACHE) * CACHE_SET(ICACHE); - do { - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1I_IX_INVAL" : : "r" (end)); - - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1I_IX_INVAL" : : "r" (end)); - - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1I_IX_INVAL" : : "r" (end)); - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1I_IX_INVAL" : : "r" (end)); - } while (end > 0); -} - -void invalidate_icache_range(unsigned long start, unsigned long end) -{ - unsigned long line_size; - - line_size = CACHE_LINE_SIZE(ICACHE); - while (end > start) { - asm volatile ( - "\n\tcctl %0, L1I_VA_INVAL" - : - : "r"(start) - ); - start += line_size; - } -} - -void icache_enable(void) -{ - asm volatile ( - "mfsr $p0, $mr8\n\t" - "ori $p0, $p0, 0x01\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -void icache_disable(void) -{ - asm volatile ( - "mfsr $p0, $mr8\n\t" - "li $p1, ~0x01\n\t" - "and $p0, $p0, $p1\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -int icache_status(void) -{ - int ret; - - asm volatile ( - "mfsr $p0, $mr8\n\t" - "andi %0, $p0, 0x01\n\t" - : "=r" (ret) - : - : "memory" - ); - - return ret; -} - -#else -void invalidate_icache_all(void) -{ -} - -void invalidate_icache_range(unsigned long start, unsigned long end) -{ -} - -void icache_enable(void) -{ -} - -void icache_disable(void) -{ -} - -int icache_status(void) -{ - return 0; -} - -#endif - -#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) -void dcache_wbinval_all(void) -{ - unsigned long end, line_size; - line_size = CACHE_LINE_SIZE(DCACHE); - end = line_size * CACHE_WAY(DCACHE) * CACHE_SET(DCACHE); - do { - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1D_IX_WB" : : "r" (end)); - __asm__ volatile ("\n\tcctl %0, L1D_IX_INVAL" : : "r" (end)); - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1D_IX_WB" : : "r" (end)); - __asm__ volatile ("\n\tcctl %0, L1D_IX_INVAL" : : "r" (end)); - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1D_IX_WB" : : "r" (end)); - __asm__ volatile ("\n\tcctl %0, L1D_IX_INVAL" : : "r" (end)); - end -= line_size; - __asm__ volatile ("\n\tcctl %0, L1D_IX_WB" : : "r" (end)); - __asm__ volatile ("\n\tcctl %0, L1D_IX_INVAL" : : "r" (end)); - - } while (end > 0); -} - -void flush_dcache_range(unsigned long start, unsigned long end) -{ - unsigned long line_size; - - line_size = CACHE_LINE_SIZE(DCACHE); - - while (end > start) { - asm volatile ( - "\n\tcctl %0, L1D_VA_WB" - "\n\tcctl %0, L1D_VA_INVAL" : : "r" (start) - ); - start += line_size; - } -} - -void invalidate_dcache_range(unsigned long start, unsigned long end) -{ - unsigned long line_size; - - line_size = CACHE_LINE_SIZE(DCACHE); - while (end > start) { - asm volatile ( - "\n\tcctl %0, L1D_VA_INVAL" : : "r"(start) - ); - start += line_size; - } -} - -void dcache_enable(void) -{ - asm volatile ( - "mfsr $p0, $mr8\n\t" - "ori $p0, $p0, 0x02\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -void dcache_disable(void) -{ - asm volatile ( - "mfsr $p0, $mr8\n\t" - "li $p1, ~0x02\n\t" - "and $p0, $p0, $p1\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -int dcache_status(void) -{ - int ret; - asm volatile ( - "mfsr $p0, $mr8\n\t" - "andi %0, $p0, 0x02\n\t" - : "=r" (ret) - : - : "memory" - ); - return ret; -} - -#else -void dcache_wbinval_all(void) -{ -} - -void flush_dcache_range(unsigned long start, unsigned long end) -{ -} - -void invalidate_dcache_range(unsigned long start, unsigned long end) -{ -} - -void dcache_enable(void) -{ -} - -void dcache_disable(void) -{ -} - -int dcache_status(void) -{ - return 0; -} - -#endif - - -void flush_dcache_all(void) -{ - dcache_wbinval_all(); -} - -void cache_flush(void) -{ - flush_dcache_all(); - invalidate_icache_all(); -} - - -void flush_cache(unsigned long addr, unsigned long size) -{ - flush_dcache_range(addr, addr + size); - invalidate_icache_range(addr, addr + size); -} diff --git a/arch/nds32/lib/interrupts.c b/arch/nds32/lib/interrupts.c deleted file mode 100644 index 0ec72d1..0000000 --- a/arch/nds32/lib/interrupts.c +++ /dev/null @@ -1,118 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#include <common.h> -#include <cpu_func.h> -#include <irq_func.h> -#include <asm/ptrace.h> -#include <asm/system.h> -#undef INTERRUPT_MODE - -static int int_flag; - -int irq_flags; /* needed by asm-nds32/system.h */ - -int GIE_STATUS(void) -{ - int ret; - - __asm__ __volatile__ ( - "mfsr $p0, $psw\n\t" - "andi %0, %0, 0x1\n\t" - : "=r" (ret) - : - : "memory" - ); - return ret; -} - -#ifdef CONFIG_USE_INTERRUPT - -int interrupt_init(void) -{ - return 0; -} -/* enable interrupts */ -void enable_interrupts(void) -{ - local_irq_restore(int_flag); -} - -/* - * disable interrupts - * Return true if GIE is enabled before we disable it. - */ -int disable_interrupts(void) -{ - - int gie_ori_status; - - gie_ori_status = GIE_STATUS(); - - local_irq_save(int_flag); - - return gie_ori_status; -} -#endif - -void bad_mode(void) -{ - panic("Resetting CPU ...\n"); - reset_cpu(); -} - -void show_regs(struct pt_regs *regs) -{ - const char *processor_modes[] = {"USER", "SuperUser" , "HyperVisor"}; - - printf("\n"); - printf("pc : [<%08lx>] sp: [<%08lx>]\n" - "lp : %08lx gp : %08lx fp : %08lx\n", - regs->ipc, regs->sp, regs->lp, regs->gp, regs->fp); - printf("D1H: %08lx D1L: %08lx D0H: %08lx D0L: %08lx\n", - regs->d1hi, regs->d1lo, regs->d0hi, regs->d0lo); - printf("r27: %08lx r26: %08lx r25: %08lx r24: %08lx\n", - regs->p1, regs->p0, regs->r[25], regs->r[24]); - printf("r23: %08lx r22: %08lx r21: %08lx r20: %08lx\n", - regs->r[23], regs->r[22], regs->r[21], regs->r[20]); - printf("r19: %08lx r18: %08lx r17: %08lx r16: %08lx\n", - regs->r[19], regs->r[18], regs->r[17], regs->r[16]); - printf("r15: %08lx r14: %08lx r13: %08lx r12: %08lx\n", - regs->r[15], regs->r[14], regs->r[13], regs->r[12]); - printf("r11: %08lx r10: %08lx r9 : %08lx r8 : %08lx\n", - regs->r[11], regs->r[10], regs->r[9], regs->r[8]); - printf("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", - regs->r[7], regs->r[6], regs->r[5], regs->r[4]); - printf("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", - regs->r[3], regs->r[2], regs->r[1], regs->r[0]); - printf(" Interrupts %s Mode %s\n", - interrupts_enabled(regs) ? "on" : "off", - processor_modes[processor_mode(regs)]); -} - -void do_interruption(struct pt_regs *pt_regs, int EVIC_num) -{ - const char *interruption_type[] = { - "Reset", - "TLB Fill", - "TLB Not Present", - "TLB Misc", - "VLPT Miss", - "Cache Parity Error", - "Debug", - "General Exception", - "External Interrupt" - }; - - printf("%s\n", interruption_type[EVIC_num]); - show_regs(pt_regs); - bad_mode(); -} |