diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/orion5x/u-boot-spl.lds | 61 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/cp15.c | 29 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/lowlevel_init.S | 20 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/board.c | 71 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/lowlevel_init.S | 11 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/hwinit.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/hwinit.c | 23 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/start.S | 64 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/virt-dt.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/virt-v7.c | 9 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/start.S | 64 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/cpuinfo.c | 17 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra210-common/pinmux.c | 195 |
17 files changed, 516 insertions, 71 deletions
diff --git a/arch/arm/cpu/arm926ejs/orion5x/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/orion5x/u-boot-spl.lds new file mode 100644 index 0000000000..6f7fca07e3 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/orion5x/u-boot-spl.lds @@ -0,0 +1,61 @@ +/* + * (C) Copyright 2014 Albert ARIBAUD <albert.u.boot@aribaud.net> + * + * Based on: + * + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Based on omap-common/u-boot-spl.lds: + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * Aneesh V <aneesh@ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +MEMORY { .nor : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .bss : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + .text : + { + __start = .; + *(.vectors) + CPUDIR/start.o (.text) + *(.text*) + } > .nor + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.nor + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.nor + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } > .nor + + . = ALIGN(4); + __image_copy_end = .; + _end = .; + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end = .; + } > .bss +} diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile index ad22489e1a..1312a9db9e 100644 --- a/arch/arm/cpu/armv7/Makefile +++ b/arch/arm/cpu/armv7/Makefile @@ -9,7 +9,7 @@ extra-y := start.o obj-y += cache_v7.o -obj-y += cpu.o +obj-y += cpu.o cp15.o obj-y += syslib.o ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_SUNXI),) diff --git a/arch/arm/cpu/armv7/cp15.c b/arch/arm/cpu/armv7/cp15.c new file mode 100644 index 0000000000..b44c9f94a8 --- /dev/null +++ b/arch/arm/cpu/armv7/cp15.c @@ -0,0 +1,29 @@ +/* + * (C) Copyright 2015 Texas Insturments + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * CP15 specific code + */ + +#include <common.h> +#include <command.h> +#include <asm/system.h> +#include <asm/cache.h> +#include <asm/armv7.h> +#include <linux/compiler.h> + +void __weak v7_arch_cp15_set_l2aux_ctrl(u32 l2actlr, u32 cpu_midr, + u32 cpu_rev_comb, u32 cpu_variant, + u32 cpu_rev) +{ + asm volatile ("mcr p15, 1, %0, c15, c0, 0\n\t" : : "r"(l2actlr)); +} + +void __weak v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb, + u32 cpu_variant, u32 cpu_rev) +{ + asm volatile ("mcr p15, 0, %0, c1, c0, 1\n\t" : : "r"(acr)); +} diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile index 7695e16d36..f3725b267c 100644 --- a/arch/arm/cpu/armv7/omap-common/Makefile +++ b/arch/arm/cpu/armv7/omap-common/Makefile @@ -28,7 +28,7 @@ endif ifeq ($(CONFIG_OMAP34XX),) obj-y += boot-common.o -obj-y += lowlevel_init.o endif +obj-y += lowlevel_init.o obj-y += mem-common.o diff --git a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S index e19c7aecec..746df922c2 100644 --- a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S @@ -16,17 +16,23 @@ #include <asm/arch/spl.h> #include <linux/linkage.h> +#ifndef CONFIG_OMAP34XX ENTRY(save_boot_params) ldr r1, =OMAP_SRAM_SCRATCH_BOOT_PARAMS str r0, [r1] b save_boot_params_ret ENDPROC(save_boot_params) +#endif -ENTRY(set_pl310_ctrl_reg) - PUSH {r4-r11, lr} @ save registers - ROM code may pollute +ENTRY(omap_smc1) + PUSH {r4-r12, lr} @ save registers - ROM code may pollute @ our registers - LDR r12, =0x102 @ Set PL310 control register - value in R0 - .word 0xe1600070 @ SMC #0 - hand assembled because -march=armv5 - @ call ROM Code API to set control register - POP {r4-r11, pc} -ENDPROC(set_pl310_ctrl_reg) + MOV r12, r0 @ Service + MOV r0, r1 @ Argument + DSB + DMB + .word 0xe1600070 @ SMC #0 - hand assembled for GCC versions + @ call ROM Code API for the service requested + + POP {r4-r12, pc} +ENDPROC(omap_smc1) diff --git a/arch/arm/cpu/armv7/omap3/Kconfig b/arch/arm/cpu/armv7/omap3/Kconfig index 4a0ac2c987..65da6e2c17 100644 --- a/arch/arm/cpu/armv7/omap3/Kconfig +++ b/arch/arm/cpu/armv7/omap3/Kconfig @@ -91,6 +91,10 @@ config TARGET_TWISTER bool "Twister" select SUPPORT_SPL +config TARGET_OMAP3_CAIRO + bool "QUIPOS CAIRO" + select SUPPORT_SPL + endchoice config DM @@ -133,5 +137,6 @@ source "board/matrix_vision/mvblx/Kconfig" source "board/nokia/rx51/Kconfig" source "board/technexion/tao3530/Kconfig" source "board/technexion/twister/Kconfig" +source "board/quipos/cairo/Kconfig" endif diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 347947c4b3..b064c0cc83 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -35,7 +35,6 @@ DECLARE_GLOBAL_DATA_PTR; /* Declarations */ extern omap3_sysinfo sysinfo; -static void omap3_setup_aux_cr(void); #ifndef CONFIG_SYS_L2CACHE_OFF static void omap3_invalidate_l2_cache_secure(void); #endif @@ -244,9 +243,6 @@ void s_init(void) try_unlock_memory(); - /* Errata workarounds */ - omap3_setup_aux_cr(); - #ifndef CONFIG_SYS_L2CACHE_OFF /* Invalidate L2-cache from secure mode */ omap3_invalidate_l2_cache_secure(); @@ -347,7 +343,16 @@ static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const arg goto usage; } } else if (strncmp(argv[1], "sw", 2) == 0) { - omap_nand_switch_ecc(0, 0); + if (argc == 2) { + omap_nand_switch_ecc(0, 1); + } else { + if (strncmp(argv[2], "hamming", 7) == 0) + omap_nand_switch_ecc(0, 1); + else if (strncmp(argv[2], "bch8", 4) == 0) + omap_nand_switch_ecc(0, 8); + else + goto usage; + } } else { goto usage; } @@ -410,39 +415,30 @@ static void omap3_emu_romcode_call(u32 service_id, u32 *parameters) do_omap3_emu_romcode_call(service_id, OMAP3_PUBLIC_SRAM_SCRATCH_AREA); } -static void omap3_update_aux_cr_secure(u32 set_bits, u32 clear_bits) +void __weak omap3_set_aux_cr_secure(u32 acr) { - u32 acr; - - /* Read ACR */ - asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr)); - acr &= ~clear_bits; - acr |= set_bits; + struct emu_hal_params emu_romcode_params; - if (get_device_type() == GP_DEVICE) { - omap3_gp_romcode_call(OMAP3_GP_ROMCODE_API_WRITE_ACR, - acr); - } else { - struct emu_hal_params emu_romcode_params; - emu_romcode_params.num_params = 1; - emu_romcode_params.param1 = acr; - omap3_emu_romcode_call(OMAP3_EMU_HAL_API_WRITE_ACR, - (u32 *)&emu_romcode_params); - } + emu_romcode_params.num_params = 1; + emu_romcode_params.param1 = acr; + omap3_emu_romcode_call(OMAP3_EMU_HAL_API_WRITE_ACR, + (u32 *)&emu_romcode_params); } -static void omap3_setup_aux_cr(void) +void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb, + u32 cpu_variant, u32 cpu_rev) { - /* Workaround for Cortex-A8 errata: #454179 #430973 - * Set "IBE" bit - * Set "Disable Branch Size Mispredicts" bit - * Workaround for erratum #621766 - * Enable L1NEON bit - * ACR |= (IBE | DBSM | L1NEON) => ACR |= 0xE0 - */ - omap3_update_aux_cr_secure(0xE0, 0); + /* Write ACR - affects secure banked bits */ + if (get_device_type() == GP_DEVICE) + omap_smc1(OMAP3_GP_ROMCODE_API_WRITE_ACR, acr); + else + omap3_set_aux_cr_secure(acr); + + /* Write ACR - affects non-secure banked bits - some erratas need it */ + asm volatile ("mcr p15, 0, %0, c1, c0, 1" : : "r" (acr)); } + #ifndef CONFIG_SYS_L2CACHE_OFF static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits) { @@ -452,17 +448,15 @@ static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits) asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr)); acr &= ~clear_bits; acr |= set_bits; + v7_arch_cp15_set_acr(acr, 0, 0, 0, 0); - /* Write ACR - affects non-secure banked bits */ - asm volatile ("mcr p15, 0, %0, c1, c0, 1" : : "r" (acr)); } /* Invalidate the entire L2 cache from secure mode */ static void omap3_invalidate_l2_cache_secure(void) { if (get_device_type() == GP_DEVICE) { - omap3_gp_romcode_call(OMAP3_GP_ROMCODE_API_L2_INVAL, - 0); + omap_smc1(OMAP3_GP_ROMCODE_API_L2_INVAL, 0); } else { struct emu_hal_params emu_romcode_params; emu_romcode_params.num_params = 1; @@ -474,10 +468,9 @@ static void omap3_invalidate_l2_cache_secure(void) void v7_outer_cache_enable(void) { - /* Set L2EN */ - omap3_update_aux_cr_secure(0x2, 0); /* + * Set L2EN * On some revisions L2EN bit is banked on some revisions it's not * No harm in setting both banked bits(in fact this is required * by an erratum) @@ -487,10 +480,8 @@ void v7_outer_cache_enable(void) void omap3_outer_cache_disable(void) { - /* Clear L2EN */ - omap3_update_aux_cr_secure(0, 0x2); - /* + * Clear L2EN * On some revisions L2EN bit is banked on some revisions it's not * No harm in clearing both banked bits(in fact this is required * by an erratum) diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S index 80cb2639f6..7a691519bb 100644 --- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S @@ -27,17 +27,6 @@ ENTRY(save_boot_params) ENDPROC(save_boot_params) #endif -ENTRY(omap3_gp_romcode_call) - PUSH {r4-r12, lr} @ Save all registers from ROM code! - MOV r12, r0 @ Copy the Service ID in R12 - MOV r0, r1 @ Copy parameter to R0 - mcr p15, 0, r0, c7, c10, 4 @ DSB - mcr p15, 0, r0, c7, c10, 5 @ DMB - .word 0xe1600070 @ SMC #0 to enter monitor - hand assembled - @ because we use -march=armv5 - POP {r4-r12, pc} -ENDPROC(omap3_gp_romcode_call) - /* * Funtion for making PPA HAL API calls in secure devices * Input: diff --git a/arch/arm/cpu/armv7/omap4/hwinit.c b/arch/arm/cpu/armv7/omap4/hwinit.c index db16548fac..9792761d40 100644 --- a/arch/arm/cpu/armv7/omap4/hwinit.c +++ b/arch/arm/cpu/armv7/omap4/hwinit.c @@ -159,11 +159,11 @@ void init_omap_revision(void) #ifndef CONFIG_SYS_L2CACHE_OFF void v7_outer_cache_enable(void) { - set_pl310_ctrl_reg(1); + omap_smc1(OMAP4_SERVICE_PL310_CONTROL_REG_SET, 1); } void v7_outer_cache_disable(void) { - set_pl310_ctrl_reg(0); + omap_smc1(OMAP4_SERVICE_PL310_CONTROL_REG_SET, 0); } #endif /* !CONFIG_SYS_L2CACHE_OFF */ diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index a8a474a88b..8d6b59eeb0 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -304,6 +304,21 @@ void config_data_eye_leveling_samples(u32 emif_base) (*ctrl)->control_emif2_sdram_config_ext); } +void init_cpu_configuration(void) +{ + u32 l2actlr; + + asm volatile("mrc p15, 1, %0, c15, c0, 0" : "=r"(l2actlr)); + /* + * L2ACTLR: Ensure to enable the following: + * 3: Disable clean/evict push to external + * 4: Disable WriteUnique and WriteLineUnique transactions from master + * 8: Disable DVM/CMO message broadcast + */ + l2actlr |= 0x118; + omap_smc1(OMAP5_SERVICE_L2ACTLR_SET, l2actlr); +} + void init_omap_revision(void) { /* @@ -342,6 +357,7 @@ void init_omap_revision(void) default: *omap_si_rev = OMAP5430_SILICON_ID_INVALID; } + init_cpu_configuration(); } void reset_cpu(ulong ignored) @@ -381,3 +397,10 @@ void setup_warmreset_time(void) rst_val |= rst_time; writel(rst_val, (*prcm)->prm_rsttime); } + +void v7_arch_cp15_set_l2aux_ctrl(u32 l2auxctrl, u32 cpu_midr, + u32 cpu_rev_comb, u32 cpu_variant, + u32 cpu_rev) +{ + omap_smc1(OMAP5_SERVICE_L2ACTLR_SET, l2auxctrl); +} diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 9b49ece2d6..5050021e02 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -166,7 +166,69 @@ ENTRY(cpu_init_cp15) mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register #endif - mov pc, lr @ back to my caller + mov r5, lr @ Store my Caller + mrc p15, 0, r1, c0, c0, 0 @ r1 has Read Main ID Register (MIDR) + mov r3, r1, lsr #20 @ get variant field + and r3, r3, #0xf @ r3 has CPU variant + and r4, r1, #0xf @ r4 has CPU revision + mov r2, r3, lsl #4 @ shift variant field for combined value + orr r2, r4, r2 @ r2 has combined CPU variant + revision + +#ifdef CONFIG_ARM_ERRATA_798870 + cmp r2, #0x30 @ Applies to lower than R3p0 + bge skip_errata_798870 @ skip if not affected rev + cmp r2, #0x20 @ Applies to including and above R2p0 + blt skip_errata_798870 @ skip if not affected rev + + mrc p15, 1, r0, c15, c0, 0 @ read l2 aux ctrl reg + orr r0, r0, #1 << 7 @ Enable hazard-detect timeout + push {r1-r5} @ Save the cpu info registers + bl v7_arch_cp15_set_l2aux_ctrl + isb @ Recommended ISB after l2actlr update + pop {r1-r5} @ Restore the cpu info - fall through +skip_errata_798870: +#endif + +#ifdef CONFIG_ARM_ERRATA_454179 + cmp r2, #0x21 @ Only on < r2p1 + bge skip_errata_454179 + + mrc p15, 0, r0, c1, c0, 1 @ Read ACR + orr r0, r0, #(0x3 << 6) @ Set DBSM(BIT7) and IBE(BIT6) bits + push {r1-r5} @ Save the cpu info registers + bl v7_arch_cp15_set_acr + pop {r1-r5} @ Restore the cpu info - fall through + +skip_errata_454179: +#endif + +#ifdef CONFIG_ARM_ERRATA_430973 + cmp r2, #0x21 @ Only on < r2p1 + bge skip_errata_430973 + + mrc p15, 0, r0, c1, c0, 1 @ Read ACR + orr r0, r0, #(0x1 << 6) @ Set IBE bit + push {r1-r5} @ Save the cpu info registers + bl v7_arch_cp15_set_acr + pop {r1-r5} @ Restore the cpu info - fall through + +skip_errata_430973: +#endif + +#ifdef CONFIG_ARM_ERRATA_621766 + cmp r2, #0x21 @ Only on < r2p1 + bge skip_errata_621766 + + mrc p15, 0, r0, c1, c0, 1 @ Read ACR + orr r0, r0, #(0x1 << 5) @ Set L1NEON bit + push {r1-r5} @ Save the cpu info registers + bl v7_arch_cp15_set_acr + pop {r1-r5} @ Restore the cpu info - fall through + +skip_errata_621766: +#endif + + mov pc, r5 @ back to my caller ENDPROC(cpu_init_cp15) #ifndef CONFIG_SKIP_LOWLEVEL_INIT diff --git a/arch/arm/cpu/armv7/virt-dt.c b/arch/arm/cpu/armv7/virt-dt.c index ad19e4c47c..9408e33203 100644 --- a/arch/arm/cpu/armv7/virt-dt.c +++ b/arch/arm/cpu/armv7/virt-dt.c @@ -88,10 +88,12 @@ static int fdt_psci(void *fdt) return 0; } -int armv7_update_dt(void *fdt) +int psci_update_dt(void *fdt) { +#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) if (!armv7_boot_nonsec()) return 0; +#endif #ifndef CONFIG_ARMV7_SECURE_BASE /* secure code lives in RAM, keep it alive */ fdt_add_mem_rsv(fdt, (unsigned long)__secure_start, diff --git a/arch/arm/cpu/armv7/virt-v7.c b/arch/arm/cpu/armv7/virt-v7.c index b69fd37c18..4cb8806238 100644 --- a/arch/arm/cpu/armv7/virt-v7.c +++ b/arch/arm/cpu/armv7/virt-v7.c @@ -112,13 +112,20 @@ int armv7_init_nonsec(void) for (i = 1; i <= itlinesnr; i++) writel((unsigned)-1, gic_dist_addr + GICD_IGROUPRn + 4 * i); + /* + * Relocate secure section before any cpu runs in secure ram. + * smp_kick_all_cpus may enable other cores and runs into secure + * ram, so need to relocate secure section before enabling other + * cores. + */ + relocate_secure_section(); + #ifndef CONFIG_ARMV7_PSCI smp_set_core_boot_addr((unsigned long)secure_ram_addr(_smp_pen), -1); smp_kick_all_cpus(); #endif /* call the non-sec switching code on this CPU also */ - relocate_secure_section(); secure_ram_addr(_nonsec_init)(); return 0; } diff --git a/arch/arm/cpu/armv8/Kconfig b/arch/arm/cpu/armv8/Kconfig new file mode 100644 index 0000000000..4cd84b0311 --- /dev/null +++ b/arch/arm/cpu/armv8/Kconfig @@ -0,0 +1,6 @@ +if ARM64 + +config ARMV8_MULTIENTRY + boolean "Enable multiple CPUs to enter into U-boot" + +endif diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S index 4b11aa4f22..b4eab0b0f2 100644 --- a/arch/arm/cpu/armv8/start.S +++ b/arch/arm/cpu/armv8/start.S @@ -67,6 +67,9 @@ reset: msr cpacr_el1, x0 /* Enable FP/SIMD */ 0: + /* Apply ARM core specific erratas */ + bl apply_core_errata + /* * Cache/BPB/TLB Invalidate * i-cache is invalidated before enabled in icache_enable() @@ -77,6 +80,7 @@ reset: /* Processor specific initialization */ bl lowlevel_init +#ifdef CONFIG_ARMV8_MULTIENTRY branch_if_master x0, x1, master_cpu /* @@ -88,18 +92,68 @@ slave_cpu: ldr x0, [x1] cbz x0, slave_cpu br x0 /* branch to the given address */ - - /* - * Master CPU - */ master_cpu: + /* On the master CPU */ +#endif /* CONFIG_ARMV8_MULTIENTRY */ + bl _main /*-----------------------------------------------------------------------*/ +WEAK(apply_core_errata) + + mov x29, lr /* Save LR */ + /* For now, we support Cortex-A57 specific errata only */ + + /* Check if we are running on a Cortex-A57 core */ + branch_if_a57_core x0, apply_a57_core_errata +0: + mov lr, x29 /* Restore LR */ + ret + +apply_a57_core_errata: + +#ifdef CONFIG_ARM_ERRATA_828024 + mrs x0, S3_1_c15_c2_0 /* cpuactlr_el1 */ + /* Disable non-allocate hint of w-b-n-a memory type */ + mov x0, #0x1 << 49 + /* Disable write streaming no L1-allocate threshold */ + mov x0, #0x3 << 25 + /* Disable write streaming no-allocate threshold */ + mov x0, #0x3 << 27 + msr S3_1_c15_c2_0, x0 /* cpuactlr_el1 */ +#endif + +#ifdef CONFIG_ARM_ERRATA_826974 + mrs x0, S3_1_c15_c2_0 /* cpuactlr_el1 */ + /* Disable speculative load execution ahead of a DMB */ + mov x0, #0x1 << 59 + msr S3_1_c15_c2_0, x0 /* cpuactlr_el1 */ +#endif + +#ifdef CONFIG_ARM_ERRATA_833069 + mrs x0, S3_1_c15_c2_0 /* cpuactlr_el1 */ + /* Disable Enable Invalidates of BTB bit */ + and x0, x0, #0xE + msr S3_1_c15_c2_0, x0 /* cpuactlr_el1 */ +#endif + b 0b +ENDPROC(apply_core_errata) + +/*-----------------------------------------------------------------------*/ + WEAK(lowlevel_init) mov x29, lr /* Save LR */ +#ifndef CONFIG_ARMV8_MULTIENTRY + /* + * For single-entry systems the lowlevel init is very simple. + */ + ldr x0, =GICD_BASE + bl gic_init_secure + +#else /* CONFIG_ARMV8_MULTIENTRY is set */ + #if defined(CONFIG_GICV2) || defined(CONFIG_GICV3) branch_if_slave x0, 1f ldr x0, =GICD_BASE @@ -137,6 +191,8 @@ WEAK(lowlevel_init) bl armv8_switch_to_el1 #endif +#endif /* CONFIG_ARMV8_MULTIENTRY */ + 2: mov lr, x29 /* Restore LR */ ret diff --git a/arch/arm/cpu/pxa/cpuinfo.c b/arch/arm/cpu/pxa/cpuinfo.c index 17d8be5b5b..25de9e5fff 100644 --- a/arch/arm/cpu/pxa/cpuinfo.c +++ b/arch/arm/cpu/pxa/cpuinfo.c @@ -46,6 +46,13 @@ int cpu_is_pxa27x(void) return id == CPU_VALUE_PXA27X; } +int cpu_is_pxa27xm(void) +{ + uint32_t id = pxa_get_cpuid(); + return ((id & CPU_MASK_PXA_PRODID) == CPU_VALUE_PXA27X) && + ((id & CPU_MASK_PXA_REVID) == 8); +} + uint32_t pxa_get_cpu_revision(void) { return pxa_get_cpuid() & CPU_MASK_PRODREV; @@ -91,13 +98,17 @@ static const char *pxa27x_get_revision(void) id = pxa_get_cpuid() & CPU_MASK_PXA_REVID; - if ((id == 5) || (id == 6) || (id > 7)) + if ((id == 5) || (id == 6) || (id > 8)) return unknown; /* Cap the special PXA270 C5 case. */ if (id == 7) id = 5; + /* Cap the special PXA270M A1 case. */ + if (id == 8) + id = 1; + return rev[id]; } @@ -107,7 +118,9 @@ static int print_cpuinfo_pxa2xx(void) puts("Marvell PXA25x rev. "); puts(pxa25x_get_revision()); } else if (cpu_is_pxa27x()) { - puts("Marvell PXA27x rev. "); + puts("Marvell PXA27x"); + if (cpu_is_pxa27xm()) puts("M"); + puts(" rev. "); puts(pxa27x_get_revision()); } else return -EINVAL; diff --git a/arch/arm/cpu/tegra210-common/pinmux.c b/arch/arm/cpu/tegra210-common/pinmux.c new file mode 100644 index 0000000000..a29c76b1fa --- /dev/null +++ b/arch/arm/cpu/tegra210-common/pinmux.c @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/pinmux.h> + +#define PIN(pin, f0, f1, f2, f3) \ + { \ + .funcs = { \ + PMUX_FUNC_##f0, \ + PMUX_FUNC_##f1, \ + PMUX_FUNC_##f2, \ + PMUX_FUNC_##f3, \ + }, \ + } + +#define PIN_RESERVED {} + +static const struct pmux_pingrp_desc tegra210_pingroups[] = { + /* pin, f0, f1, f2, f3 */ + /* Offset 0x3000 */ + PIN(SDMMC1_CLK_PM0, SDMMC1, RSVD1, RSVD2, RSVD3), + PIN(SDMMC1_CMD_PM1, SDMMC1, SPI3, RSVD2, RSVD3), + PIN(SDMMC1_DAT3_PM2, SDMMC1, SPI3, RSVD2, RSVD3), + PIN(SDMMC1_DAT2_PM3, SDMMC1, SPI3, RSVD2, RSVD3), + PIN(SDMMC1_DAT1_PM4, SDMMC1, SPI3, RSVD2, RSVD3), + PIN(SDMMC1_DAT0_PM5, SDMMC1, RSVD1, RSVD2, RSVD3), + PIN_RESERVED, + /* Offset 0x301c */ + PIN(SDMMC3_CLK_PP0, SDMMC3, RSVD1, RSVD2, RSVD3), + PIN(SDMMC3_CMD_PP1, SDMMC3, RSVD1, RSVD2, RSVD3), + PIN(SDMMC3_DAT0_PP5, SDMMC3, RSVD1, RSVD2, RSVD3), + PIN(SDMMC3_DAT1_PP4, SDMMC3, RSVD1, RSVD2, RSVD3), + PIN(SDMMC3_DAT2_PP3, SDMMC3, RSVD1, RSVD2, RSVD3), + PIN(SDMMC3_DAT3_PP2, SDMMC3, RSVD1, RSVD2, RSVD3), + PIN_RESERVED, + /* Offset 0x3038 */ + PIN(PEX_L0_RST_N_PA0, PE0, RSVD1, RSVD2, RSVD3), + PIN(PEX_L0_CLKREQ_N_PA1, PE0, RSVD1, RSVD2, RSVD3), + PIN(PEX_WAKE_N_PA2, PE, RSVD1, RSVD2, RSVD3), + PIN(PEX_L1_RST_N_PA3, PE1, RSVD1, RSVD2, RSVD3), + PIN(PEX_L1_CLKREQ_N_PA4, PE1, RSVD1, RSVD2, RSVD3), + PIN(SATA_LED_ACTIVE_PA5, SATA, RSVD1, RSVD2, RSVD3), + PIN(SPI1_MOSI_PC0, SPI1, RSVD1, RSVD2, RSVD3), + PIN(SPI1_MISO_PC1, SPI1, RSVD1, RSVD2, RSVD3), + PIN(SPI1_SCK_PC2, SPI1, RSVD1, RSVD2, RSVD3), + PIN(SPI1_CS0_PC3, SPI1, RSVD1, RSVD2, RSVD3), + PIN(SPI1_CS1_PC4, SPI1, RSVD1, RSVD2, RSVD3), + PIN(SPI2_MOSI_PB4, SPI2, DTV, RSVD2, RSVD3), + PIN(SPI2_MISO_PB5, SPI2, DTV, RSVD2, RSVD3), + PIN(SPI2_SCK_PB6, SPI2, DTV, RSVD2, RSVD3), + PIN(SPI2_CS0_PB7, SPI2, DTV, RSVD2, RSVD3), + PIN(SPI2_CS1_PDD0, SPI2, RSVD1, RSVD2, RSVD3), + PIN(SPI4_MOSI_PC7, SPI4, RSVD1, RSVD2, RSVD3), + PIN(SPI4_MISO_PD0, SPI4, RSVD1, RSVD2, RSVD3), + PIN(SPI4_SCK_PC5, SPI4, RSVD1, RSVD2, RSVD3), + PIN(SPI4_CS0_PC6, SPI4, RSVD1, RSVD2, RSVD3), + PIN(QSPI_SCK_PEE0, QSPI, RSVD1, RSVD2, RSVD3), + PIN(QSPI_CS_N_PEE1, QSPI, RSVD1, RSVD2, RSVD3), + PIN(QSPI_IO0_PEE2, QSPI, RSVD1, RSVD2, RSVD3), + PIN(QSPI_IO1_PEE3, QSPI, RSVD1, RSVD2, RSVD3), + PIN(QSPI_IO2_PEE4, QSPI, RSVD1, RSVD2, RSVD3), + PIN(QSPI_IO3_PEE5, QSPI, RSVD1, RSVD2, RSVD3), + PIN_RESERVED, + /* Offset 0x30a4 */ + PIN(DMIC1_CLK_PE0, DMIC1, I2S3, RSVD2, RSVD3), + PIN(DMIC1_DAT_PE1, DMIC1, I2S3, RSVD2, RSVD3), + PIN(DMIC2_CLK_PE2, DMIC2, I2S3, RSVD2, RSVD3), + PIN(DMIC2_DAT_PE3, DMIC2, I2S3, RSVD2, RSVD3), + PIN(DMIC3_CLK_PE4, DMIC3, I2S5A, RSVD2, RSVD3), + PIN(DMIC3_DAT_PE5, DMIC3, I2S5A, RSVD2, RSVD3), + PIN(GEN1_I2C_SCL_PJ1, I2C1, RSVD1, RSVD2, RSVD3), + PIN(GEN1_I2C_SDA_PJ0, I2C1, RSVD1, RSVD2, RSVD3), + PIN(GEN2_I2C_SCL_PJ2, I2C2, RSVD1, RSVD2, RSVD3), + PIN(GEN2_I2C_SDA_PJ3, I2C2, RSVD1, RSVD2, RSVD3), + PIN(GEN3_I2C_SCL_PF0, I2C3, RSVD1, RSVD2, RSVD3), + PIN(GEN3_I2C_SDA_PF1, I2C3, RSVD1, RSVD2, RSVD3), + PIN(CAM_I2C_SCL_PS2, I2C3, I2CVI, RSVD2, RSVD3), + PIN(CAM_I2C_SDA_PS3, I2C3, I2CVI, RSVD2, RSVD3), + PIN(PWR_I2C_SCL_PY3, I2CPMU, RSVD1, RSVD2, RSVD3), + PIN(PWR_I2C_SDA_PY4, I2CPMU, RSVD1, RSVD2, RSVD3), + PIN(UART1_TX_PU0, UARTA, RSVD1, RSVD2, RSVD3), + PIN(UART1_RX_PU1, UARTA, RSVD1, RSVD2, RSVD3), + PIN(UART1_RTS_PU2, UARTA, RSVD1, RSVD2, RSVD3), + PIN(UART1_CTS_PU3, UARTA, RSVD1, RSVD2, RSVD3), + PIN(UART2_TX_PG0, UARTB, I2S4A, SPDIF, UART), + PIN(UART2_RX_PG1, UARTB, I2S4A, SPDIF, UART), + PIN(UART2_RTS_PG2, UARTB, I2S4A, RSVD2, UART), + PIN(UART2_CTS_PG3, UARTB, I2S4A, RSVD2, UART), + PIN(UART3_TX_PD1, UARTC, SPI4, RSVD2, RSVD3), + PIN(UART3_RX_PD2, UARTC, SPI4, RSVD2, RSVD3), + PIN(UART3_RTS_PD3, UARTC, SPI4, RSVD2, RSVD3), + PIN(UART3_CTS_PD4, UARTC, SPI4, RSVD2, RSVD3), + PIN(UART4_TX_PI4, UARTD, UART, RSVD2, RSVD3), + PIN(UART4_RX_PI5, UARTD, UART, RSVD2, RSVD3), + PIN(UART4_RTS_PI6, UARTD, UART, RSVD2, RSVD3), + PIN(UART4_CTS_PI7, UARTD, UART, RSVD2, RSVD3), + PIN(DAP1_FS_PB0, I2S1, RSVD1, RSVD2, RSVD3), + PIN(DAP1_DIN_PB1, I2S1, RSVD1, RSVD2, RSVD3), + PIN(DAP1_DOUT_PB2, I2S1, RSVD1, RSVD2, RSVD3), + PIN(DAP1_SCLK_PB3, I2S1, RSVD1, RSVD2, RSVD3), + PIN(DAP2_FS_PAA0, I2S2, RSVD1, RSVD2, RSVD3), + PIN(DAP2_DIN_PAA2, I2S2, RSVD1, RSVD2, RSVD3), + PIN(DAP2_DOUT_PAA3, I2S2, RSVD1, RSVD2, RSVD3), + PIN(DAP2_SCLK_PAA1, I2S2, RSVD1, RSVD2, RSVD3), + PIN(DAP4_FS_PJ4, I2S4B, RSVD1, RSVD2, RSVD3), + PIN(DAP4_DIN_PJ5, I2S4B, RSVD1, RSVD2, RSVD3), + PIN(DAP4_DOUT_PJ6, I2S4B, RSVD1, RSVD2, RSVD3), + PIN(DAP4_SCLK_PJ7, I2S4B, RSVD1, RSVD2, RSVD3), + PIN(CAM1_MCLK_PS0, EXTPERIPH3, RSVD1, RSVD2, RSVD3), + PIN(CAM2_MCLK_PS1, EXTPERIPH3, RSVD1, RSVD2, RSVD3), + PIN(JTAG_RTCK, JTAG, RSVD1, RSVD2, RSVD3), + PIN(CLK_32K_IN, CLK, RSVD1, RSVD2, RSVD3), + PIN(CLK_32K_OUT_PY5, SOC, BLINK, RSVD2, RSVD3), + PIN(BATT_BCL, BCL, RSVD1, RSVD2, RSVD3), + PIN(CLK_REQ, SYS, RSVD1, RSVD2, RSVD3), + PIN(CPU_PWR_REQ, CPU, RSVD1, RSVD2, RSVD3), + PIN(PWR_INT_N, PMI, RSVD1, RSVD2, RSVD3), + PIN(SHUTDOWN, SHUTDOWN, RSVD1, RSVD2, RSVD3), + PIN(CORE_PWR_REQ, CORE, RSVD1, RSVD2, RSVD3), + PIN(AUD_MCLK_PBB0, AUD, RSVD1, RSVD2, RSVD3), + PIN(DVFS_PWM_PBB1, RSVD0, CLDVFS, SPI3, RSVD3), + PIN(DVFS_CLK_PBB2, RSVD0, CLDVFS, SPI3, RSVD3), + PIN(GPIO_X1_AUD_PBB3, RSVD0, RSVD1, SPI3, RSVD3), + PIN(GPIO_X3_AUD_PBB4, RSVD0, RSVD1, SPI3, RSVD3), + PIN(PCC7, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(HDMI_CEC_PCC0, CEC, RSVD1, RSVD2, RSVD3), + PIN(HDMI_INT_DP_HPD_PCC1, DP, RSVD1, RSVD2, RSVD3), + PIN(SPDIF_OUT_PCC2, SPDIF, RSVD1, RSVD2, RSVD3), + PIN(SPDIF_IN_PCC3, SPDIF, RSVD1, RSVD2, RSVD3), + PIN(USB_VBUS_EN0_PCC4, USB, RSVD1, RSVD2, RSVD3), + PIN(USB_VBUS_EN1_PCC5, USB, RSVD1, RSVD2, RSVD3), + PIN(DP_HPD0_PCC6, DP, RSVD1, RSVD2, RSVD3), + PIN(WIFI_EN_PH0, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(WIFI_RST_PH1, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(WIFI_WAKE_AP_PH2, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(AP_WAKE_BT_PH3, RSVD0, UARTB, SPDIF, RSVD3), + PIN(BT_RST_PH4, RSVD0, UARTB, SPDIF, RSVD3), + PIN(BT_WAKE_AP_PH5, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(AP_WAKE_NFC_PH7, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(NFC_EN_PI0, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(NFC_INT_PI1, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(GPS_EN_PI2, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(GPS_RST_PI3, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(CAM_RST_PS4, VGP1, RSVD1, RSVD2, RSVD3), + PIN(CAM_AF_EN_PS5, VIMCLK, VGP2, RSVD2, RSVD3), + PIN(CAM_FLASH_EN_PS6, VIMCLK, VGP3, RSVD2, RSVD3), + PIN(CAM1_PWDN_PS7, VGP4, RSVD1, RSVD2, RSVD3), + PIN(CAM2_PWDN_PT0, VGP5, RSVD1, RSVD2, RSVD3), + PIN(CAM1_STROBE_PT1, VGP6, RSVD1, RSVD2, RSVD3), + PIN(LCD_TE_PY2, DISPLAYA, RSVD1, RSVD2, RSVD3), + PIN(LCD_BL_PWM_PV0, DISPLAYA, PWM0, SOR0, RSVD3), + PIN(LCD_BL_EN_PV1, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(LCD_RST_PV2, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(LCD_GPIO1_PV3, DISPLAYB, RSVD1, RSVD2, RSVD3), + PIN(LCD_GPIO2_PV4, DISPLAYB, PWM1, RSVD2, SOR1), + PIN(AP_READY_PV5, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(TOUCH_RST_PV6, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(TOUCH_CLK_PV7, TOUCH, RSVD1, RSVD2, RSVD3), + PIN(MODEM_WAKE_AP_PX0, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(TOUCH_INT_PX1, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(MOTION_INT_PX2, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(ALS_PROX_INT_PX3, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(TEMP_ALERT_PX4, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(BUTTON_POWER_ON_PX5, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(BUTTON_VOL_UP_PX6, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(BUTTON_VOL_DOWN_PX7, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(BUTTON_SLIDE_SW_PY0, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(BUTTON_HOME_PY1, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(PA6, SATA, RSVD1, RSVD2, RSVD3), + PIN(PE6, RSVD0, I2S5A, PWM2, RSVD3), + PIN(PE7, RSVD0, I2S5A, PWM3, RSVD3), + PIN(PH6, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(PK0, IQC0, I2S5B, RSVD2, RSVD3), + PIN(PK1, IQC0, I2S5B, RSVD2, RSVD3), + PIN(PK2, IQC0, I2S5B, RSVD2, RSVD3), + PIN(PK3, IQC0, I2S5B, RSVD2, RSVD3), + PIN(PK4, IQC1, RSVD1, RSVD2, RSVD3), + PIN(PK5, IQC1, RSVD1, RSVD2, RSVD3), + PIN(PK6, IQC1, RSVD1, RSVD2, RSVD3), + PIN(PK7, IQC1, RSVD1, RSVD2, RSVD3), + PIN(PL0, RSVD0, RSVD1, RSVD2, RSVD3), + PIN(PL1, SOC, RSVD1, RSVD2, RSVD3), + PIN(PZ0, VIMCLK2, RSVD1, RSVD2, RSVD3), + PIN(PZ1, VIMCLK2, SDMMC1, RSVD2, RSVD3), + PIN(PZ2, SDMMC3, CCLA, RSVD2, RSVD3), + PIN(PZ3, SDMMC3, RSVD1, RSVD2, RSVD3), + PIN(PZ4, SDMMC1, RSVD1, RSVD2, RSVD3), + PIN(PZ5, SOC, RSVD1, RSVD2, RSVD3), +}; +const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra210_pingroups; |
