diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/cpu/armv8/start.S | 2 | ||||
-rw-r--r-- | arch/arm/dts/mt7986a-bpi-r3-sd.dts | 4 | ||||
-rw-r--r-- | arch/arm/dts/mt7988.dtsi | 60 | ||||
-rw-r--r-- | arch/arm/include/asm/bitops.h | 27 | ||||
-rw-r--r-- | arch/arm/lib/Makefile | 5 | ||||
-rw-r--r-- | arch/arm/lib/bitops.S | 45 | ||||
-rw-r--r-- | arch/arm/mach-bcm283x/init.c | 8 |
7 files changed, 147 insertions, 4 deletions
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S index f3ea858..6cc1d26 100644 --- a/arch/arm/cpu/armv8/start.S +++ b/arch/arm/cpu/armv8/start.S @@ -58,7 +58,7 @@ reset: .globl save_boot_params_ret save_boot_params_ret: -#if CONFIG_POSITION_INDEPENDENT +#if CONFIG_POSITION_INDEPENDENT && !defined(CONFIG_SPL_BUILD) /* Verify that we're 4K aligned. */ adr x0, _start ands x0, x0, #0xfff diff --git a/arch/arm/dts/mt7986a-bpi-r3-sd.dts b/arch/arm/dts/mt7986a-bpi-r3-sd.dts index 1525630..c156a81 100644 --- a/arch/arm/dts/mt7986a-bpi-r3-sd.dts +++ b/arch/arm/dts/mt7986a-bpi-r3-sd.dts @@ -76,12 +76,12 @@ ð { status = "okay"; mediatek,gmac-id = <0>; - phy-mode = "sgmii"; + phy-mode = "2500base-x"; mediatek,switch = "mt7531"; reset-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>; fixed-link { - speed = <1000>; + speed = <2500>; full-duplex; }; }; diff --git a/arch/arm/dts/mt7988.dtsi b/arch/arm/dts/mt7988.dtsi index ddd629e..ac476d5 100644 --- a/arch/arm/dts/mt7988.dtsi +++ b/arch/arm/dts/mt7988.dtsi @@ -9,6 +9,7 @@ #include <dt-bindings/clock/mt7988-clk.h> #include <dt-bindings/reset/mt7988-reset.h> #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/phy/phy.h> / { compatible = "mediatek,mt7988-rfb"; @@ -161,6 +162,65 @@ #clock-cells = <1>; }; + dummy_clk: dummy12m { + compatible = "fixed-clock"; + clock-frequency = <12000000>; + #clock-cells = <0>; + /* must need this line, or uart uanable to get dummy_clk */ + bootph-all; + }; + + xhci1: xhci@11200000 { + compatible = "mediatek,mt7988-xhci", + "mediatek,mtk-xhci"; + reg = <0 0x11200000 0 0x2e00>, + <0 0x11203e00 0 0x0100>; + reg-names = "mac", "ippc"; + interrupts = <GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>; + phys = <&tphyu2port0 PHY_TYPE_USB2>, + <&tphyu3port0 PHY_TYPE_USB3>; + clocks = <&dummy_clk>, + <&dummy_clk>, + <&dummy_clk>, + <&dummy_clk>, + <&dummy_clk>; + clock-names = "sys_ck", + "xhci_ck", + "ref_ck", + "mcu_ck", + "dma_ck"; + #address-cells = <2>; + #size-cells = <2>; + status = "okay"; + }; + + usbtphy: usb-phy@11c50000 { + compatible = "mediatek,mt7988", + "mediatek,generic-tphy-v2"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + status = "okay"; + + tphyu2port0: usb-phy@11c50000 { + reg = <0 0x11c50000 0 0x700>; + clocks = <&dummy_clk>; + clock-names = "ref"; + #phy-cells = <1>; + status = "okay"; + }; + + tphyu3port0: usb-phy@11c50700 { + reg = <0 0x11c50700 0 0x900>; + clocks = <&dummy_clk>; + clock-names = "ref"; + #phy-cells = <1>; + mediatek,usb3-pll-ssc-delta; + mediatek,usb3-pll-ssc-delta1; + status = "okay"; + }; + }; + xfi_pextp0: syscon@11f20000 { compatible = "mediatek,mt7988-xfi_pextp_0", "syscon"; reg = <0 0x11f20000 0 0x10000>; diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h index fa85486..8e89783 100644 --- a/arch/arm/include/asm/bitops.h +++ b/arch/arm/include/asm/bitops.h @@ -15,9 +15,34 @@ #ifndef __ASM_ARM_BITOPS_H #define __ASM_ARM_BITOPS_H +#if __LINUX_ARM_ARCH__ < 5 + #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls.h> + +#else + +#define PLATFORM_FFS +#define PLATFORM_FLS + +#if !IS_ENABLED(CONFIG_HAS_THUMB2) && CONFIG_IS_ENABLED(SYS_THUMB_BUILD) + +unsigned long __fls(unsigned long word); +unsigned long __ffs(unsigned long word); +int fls(unsigned int x); +int ffs(int x); + +#else + +#include <asm-generic/bitops/builtin-__fls.h> +#include <asm-generic/bitops/builtin-__ffs.h> +#include <asm-generic/bitops/builtin-fls.h> +#include <asm-generic/bitops/builtin-ffs.h> + +#endif +#endif + #include <asm-generic/bitops/fls64.h> #ifdef __KERNEL__ @@ -113,7 +138,7 @@ static inline int test_bit(int nr, const void * addr) static inline int __ilog2(unsigned int x) { - return generic_fls(x) - 1; + return fls(x) - 1; } #define ffz(x) __ffs(~(x)) diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 62cf80f..b1bcd37 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -113,6 +113,11 @@ AFLAGS_REMOVE_memset.o := -mthumb -mthumb-interwork AFLAGS_REMOVE_memcpy.o := -mthumb -mthumb-interwork AFLAGS_memset.o := -DMEMSET_NO_THUMB_BUILD AFLAGS_memcpy.o := -DMEMCPY_NO_THUMB_BUILD + +# This is only necessary to force ARM mode on THUMB1 targets. +ifneq ($(CONFIG_SYS_ARM_ARCH),4) +obj-y += bitops.o +endif endif endif diff --git a/arch/arm/lib/bitops.S b/arch/arm/lib/bitops.S new file mode 100644 index 0000000..29d1524 --- /dev/null +++ b/arch/arm/lib/bitops.S @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2023 Sean Anderson <sean.anderson@seco.com> + * + * ARM bitops to call when using THUMB1, which doesn't have these instructions. + */ +#include <linux/linkage.h> +#include <asm/assembler.h> + +.pushsection .text.__fls +ENTRY(__fls) + clz r0, r0 + rsb r0, r0, #31 + ret lr +ENDPROC(__fls) +.popsection + +.pushsection .text.__ffs +ENTRY(__ffs) + rsb r3, r0, #0 + and r0, r0, r3 + clz r0, r0 + rsb r0, r0, #31 + ret lr +ENDPROC(__ffs) +.popsection + +.pushsection .text.fls +ENTRY(fls) + cmp r0, #0 + clzne r0, r0 + rsbne r0, r0, #32 + ret lr +ENDPROC(fls) +.popsection + +.pushsection .text.ffs +ENTRY(ffs) + rsb r3, r0, #0 + and r0, r0, r3 + clz r0, r0 + rsb r0, r0, #32 + ret lr +ENDPROC(ffs) +.popsection diff --git a/arch/arm/mach-bcm283x/init.c b/arch/arm/mach-bcm283x/init.c index 183650a..7265faf 100644 --- a/arch/arm/mach-bcm283x/init.c +++ b/arch/arm/mach-bcm283x/init.c @@ -146,6 +146,14 @@ int mach_cpu_init(void) return 0; } +#if defined(CONFIG_DISPLAY_CPUINFO) +int print_cpuinfo(void) +{ + printf("CPU: BCM283x\n"); + return 0; +} +#endif + #ifdef CONFIG_ARMV7_LPAE #ifdef CONFIG_TARGET_RPI_4_32B #define BCM2711_RPI4_PCIE_XHCI_MMIO_VIRT 0xffc00000UL |