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author | Bin Meng <bmeng.cn@gmail.com> | 2021-04-29 18:16:09 +0800 |
---|---|---|
committer | Anup Patel <anup@brainfault.org> | 2021-05-06 14:24:45 +0530 |
commit | 26998f3d116992ae3fc6670c8f724bcc630d33fd (patch) | |
tree | dcfc59dd7d8feaf5a9e6e0b8fa236b02eb4502c8 /platform | |
parent | d4177e72179e7898b79b7316deeea7af3866871f (diff) | |
download | opensbi-26998f3d116992ae3fc6670c8f724bcc630d33fd.zip opensbi-26998f3d116992ae3fc6670c8f724bcc630d33fd.tar.gz opensbi-26998f3d116992ae3fc6670c8f724bcc630d33fd.tar.bz2 |
platform: Remove sifive/fu540 platform
Now that SiFive HiFive Unleashed board is using the generic platform
support in OpenSBI, let's remove the old non-generic one.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'platform')
-rw-r--r-- | platform/sifive/fu540/config.mk | 40 | ||||
-rw-r--r-- | platform/sifive/fu540/objects.mk | 10 | ||||
-rw-r--r-- | platform/sifive/fu540/platform.c | 175 |
3 files changed, 0 insertions, 225 deletions
diff --git a/platform/sifive/fu540/config.mk b/platform/sifive/fu540/config.mk deleted file mode 100644 index 23169b1..0000000 --- a/platform/sifive/fu540/config.mk +++ /dev/null @@ -1,40 +0,0 @@ -# -# SPDX-License-Identifier: BSD-2-Clause -# -# Copyright (c) 2019 Western Digital Corporation or its affiliates. -# -# Authors: -# Atish Patra <atish.patra@wdc.com> -# - -# Compiler flags -platform-cppflags-y = -platform-cflags-y = -platform-asflags-y = -platform-ldflags-y = - -# Command for platform specific "make run" -platform-runcmd = qemu-system-riscv$(PLATFORM_RISCV_XLEN) -M sifive_u -m 256M \ - -nographic -bios $(build_dir)/platform/sifive/fu540/firmware/fw_payload.elf - -# Blobs to build -FW_TEXT_START=0x80000000 -FW_DYNAMIC=y -FW_JUMP=y -ifeq ($(PLATFORM_RISCV_XLEN), 32) - # This needs to be 4MB aligned for 32-bit system - FW_JUMP_ADDR=0x80400000 -else - # This needs to be 2MB aligned for 64-bit system - FW_JUMP_ADDR=0x80200000 -endif -FW_JUMP_FDT_ADDR=0x88000000 -FW_PAYLOAD=y -ifeq ($(PLATFORM_RISCV_XLEN), 32) - # This needs to be 4MB aligned for 32-bit system - FW_PAYLOAD_OFFSET=0x400000 -else - # This needs to be 2MB aligned for 64-bit system - FW_PAYLOAD_OFFSET=0x200000 -endif -FW_PAYLOAD_FDT_ADDR=0x88000000 diff --git a/platform/sifive/fu540/objects.mk b/platform/sifive/fu540/objects.mk deleted file mode 100644 index e0d0585..0000000 --- a/platform/sifive/fu540/objects.mk +++ /dev/null @@ -1,10 +0,0 @@ -# -# SPDX-License-Identifier: BSD-2-Clause -# -# Copyright (c) 2019 Western Digital Corporation or its affiliates. -# -# Authors: -# Atish Patra <atish.patra@wdc.com> -# - -platform-objs-y += platform.o diff --git a/platform/sifive/fu540/platform.c b/platform/sifive/fu540/platform.c deleted file mode 100644 index a17034d..0000000 --- a/platform/sifive/fu540/platform.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * SPDX-License-Identifier: BSD-2-Clause - * - * Copyright (c) 2019 Western Digital Corporation or its affiliates. - * - * Authors: - * Atish Patra <atish.patra@wdc.com> - */ - -#include <libfdt.h> -#include <sbi/riscv_asm.h> -#include <sbi/riscv_io.h> -#include <sbi/riscv_encoding.h> -#include <sbi/sbi_console.h> -#include <sbi/sbi_const.h> -#include <sbi/sbi_platform.h> -#include <sbi_utils/fdt/fdt_fixup.h> -#include <sbi_utils/irqchip/plic.h> -#include <sbi_utils/serial/sifive-uart.h> -#include <sbi_utils/sys/clint.h> - -/* clang-format off */ - -#define FU540_HART_COUNT 5 - -#define FU540_SYS_CLK 1000000000 - -#define FU540_CLINT_ADDR 0x2000000 - -#define FU540_PLIC_ADDR 0xc000000 -#define FU540_PLIC_NUM_SOURCES 0x35 -#define FU540_PLIC_NUM_PRIORITIES 7 - -#define FU540_UART0_ADDR 0x10010000 -#define FU540_UART1_ADDR 0x10011000 -#define FU540_UART_BAUDRATE 115200 - -/* PRCI clock related macros */ -//TODO: Do we need a separate driver for this ? -#define FU540_PRCI_BASE_ADDR 0x10000000 -#define FU540_PRCI_CLKMUXSTATUSREG 0x002C -#define FU540_PRCI_CLKMUX_STATUS_TLCLKSEL (0x1 << 1) - -/* Full tlb flush always */ -#define FU540_TLB_RANGE_FLUSH_LIMIT 0 - -/* clang-format on */ - -static struct plic_data plic = { - .addr = FU540_PLIC_ADDR, - .num_src = FU540_PLIC_NUM_SOURCES, -}; - -static struct clint_data clint = { - .addr = FU540_CLINT_ADDR, - .first_hartid = 0, - .hart_count = FU540_HART_COUNT, - .has_64bit_mmio = TRUE, -}; - -static void fu540_modify_dt(void *fdt) -{ - fdt_cpu_fixup(fdt); - - fdt_fixups(fdt); - - /* - * SiFive Freedom U540 has an erratum that prevents S-mode software - * to access a PMP protected region using 1GB page table mapping, so - * always add the no-map attribute on this platform. - */ - fdt_reserved_memory_nomap_fixup(fdt); -} - -static int fu540_final_init(bool cold_boot) -{ - void *fdt; - - if (!cold_boot) - return 0; - - fdt = sbi_scratch_thishart_arg1_ptr(); - fu540_modify_dt(fdt); - - return 0; -} - -static int fu540_console_init(void) -{ - unsigned long peri_in_freq; - - if (readl((volatile void *)FU540_PRCI_BASE_ADDR + - FU540_PRCI_CLKMUXSTATUSREG) & - FU540_PRCI_CLKMUX_STATUS_TLCLKSEL) { - peri_in_freq = FU540_SYS_CLK; - } else { - peri_in_freq = FU540_SYS_CLK / 2; - } - - return sifive_uart_init(FU540_UART0_ADDR, peri_in_freq, - FU540_UART_BAUDRATE); -} - -static int fu540_irqchip_init(bool cold_boot) -{ - int rc; - u32 hartid = current_hartid(); - - if (cold_boot) { - rc = plic_cold_irqchip_init(&plic); - if (rc) - return rc; - } - - return plic_warm_irqchip_init(&plic, (hartid) ? (2 * hartid - 1) : 0, - (hartid) ? (2 * hartid) : -1); -} - -static int fu540_ipi_init(bool cold_boot) -{ - int rc; - - if (cold_boot) { - rc = clint_cold_ipi_init(&clint); - if (rc) - return rc; - } - - return clint_warm_ipi_init(); -} - -static u64 fu540_get_tlbr_flush_limit(void) -{ - return FU540_TLB_RANGE_FLUSH_LIMIT; -} - -static int fu540_timer_init(bool cold_boot) -{ - int rc; - - if (cold_boot) { - rc = clint_cold_timer_init(&clint, NULL); - if (rc) - return rc; - } - - return clint_warm_timer_init(); -} - -static u32 fu540_hart_index2id[FU540_HART_COUNT - 1] = { - [0] = 1, - [1] = 2, - [2] = 3, - [3] = 4, -}; - -const struct sbi_platform_operations platform_ops = { - .final_init = fu540_final_init, - .console_init = fu540_console_init, - .irqchip_init = fu540_irqchip_init, - .ipi_init = fu540_ipi_init, - .get_tlbr_flush_limit = fu540_get_tlbr_flush_limit, - .timer_init = fu540_timer_init, -}; - -const struct sbi_platform platform = { - .opensbi_version = OPENSBI_VERSION, - .platform_version = SBI_PLATFORM_VERSION(0x0, 0x01), - .name = "SiFive Freedom U540", - .features = SBI_PLATFORM_DEFAULT_FEATURES, - .hart_count = (FU540_HART_COUNT - 1), - .hart_index2id = fu540_hart_index2id, - .hart_stack_size = SBI_PLATFORM_DEFAULT_HART_STACK_SIZE, - .platform_ops_addr = (unsigned long)&platform_ops -}; |