diff options
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/board.c | 41 | ||||
| -rw-r--r-- | arch/arm/lib/bootm.c | 6 | ||||
| -rw-r--r-- | arch/arm/lib/interrupts.c | 28 | ||||
| -rw-r--r-- | arch/arm/lib/relocate.S | 30 | ||||
| -rw-r--r-- | arch/arm/lib/vectors.S | 2 |
5 files changed, 77 insertions, 30 deletions
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index 76adaf3aa4..f6062557e6 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -34,6 +34,7 @@ #include <onenand_uboot.h> #include <mmc.h> #include <scsi.h> +#include <status_led.h> #include <libfdt.h> #include <fdtdec.h> #include <post.h> @@ -63,25 +64,15 @@ extern void dataflash_print_info(void); ************************************************************************ * May be supplied by boards if desired */ -inline void __coloured_LED_init(void) {} -void coloured_LED_init(void) - __attribute__((weak, alias("__coloured_LED_init"))); -inline void __red_led_on(void) {} -void red_led_on(void) __attribute__((weak, alias("__red_led_on"))); -inline void __red_led_off(void) {} -void red_led_off(void) __attribute__((weak, alias("__red_led_off"))); -inline void __green_led_on(void) {} -void green_led_on(void) __attribute__((weak, alias("__green_led_on"))); -inline void __green_led_off(void) {} -void green_led_off(void) __attribute__((weak, alias("__green_led_off"))); -inline void __yellow_led_on(void) {} -void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on"))); -inline void __yellow_led_off(void) {} -void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off"))); -inline void __blue_led_on(void) {} -void blue_led_on(void) __attribute__((weak, alias("__blue_led_on"))); -inline void __blue_led_off(void) {} -void blue_led_off(void) __attribute__((weak, alias("__blue_led_off"))); +__weak void coloured_LED_init(void) {} +__weak void red_led_on(void) {} +__weak void red_led_off(void) {} +__weak void green_led_on(void) {} +__weak void green_led_off(void) {} +__weak void yellow_led_on(void) {} +__weak void yellow_led_off(void) {} +__weak void blue_led_on(void) {} +__weak void blue_led_off(void) {} /* ************************************************************************ @@ -198,27 +189,21 @@ static int arm_pci_init(void) */ typedef int (init_fnc_t) (void); -void __dram_init_banksize(void) +__weak void dram_init_banksize(void) { gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; gd->bd->bi_dram[0].size = gd->ram_size; } -void dram_init_banksize(void) - __attribute__((weak, alias("__dram_init_banksize"))); -int __arch_cpu_init(void) +__weak int arch_cpu_init(void) { return 0; } -int arch_cpu_init(void) - __attribute__((weak, alias("__arch_cpu_init"))); -int __power_init_board(void) +__weak int power_init_board(void) { return 0; } -int power_init_board(void) - __attribute__((weak, alias("__power_init_board"))); /* Record the board_init_f() bootstage (after arch_cpu_init()) */ static int mark_bootstage(void) diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 39fe7a17fc..cdb1975105 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -15,6 +15,7 @@ #include <common.h> #include <command.h> #include <image.h> +#include <vxworks.h> #include <u-boot/zlib.h> #include <asm/byteorder.h> #include <libfdt.h> @@ -22,6 +23,8 @@ #include <asm/bootm.h> #include <asm/secure.h> #include <linux/compiler.h> +#include <bootm.h> +#include <vxworks.h> #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) #include <asm/armv7.h> @@ -299,7 +302,8 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) * DIFFERENCE: Instead of calling prep and go at the end * they are called if subcommand is equal 0. */ -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +int do_bootm_linux(int flag, int argc, char * const argv[], + bootm_headers_t *images) { /* No need for those on ARM */ if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE) diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c index f6b7c03578..4dacfd941f 100644 --- a/arch/arm/lib/interrupts.c +++ b/arch/arm/lib/interrupts.c @@ -21,12 +21,15 @@ #include <common.h> #include <asm/proc-armv/ptrace.h> +#include <asm/u-boot-arm.h> DECLARE_GLOBAL_DATA_PTR; #ifdef CONFIG_USE_IRQ int interrupt_init (void) { + unsigned long cpsr; + /* * setup up stacks if necessary */ @@ -34,6 +37,31 @@ int interrupt_init (void) IRQ_STACK_START_IN = gd->irq_sp + 8; FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ; + + __asm__ __volatile__("mrs %0, cpsr\n" + : "=r" (cpsr) + : + : "memory"); + + __asm__ __volatile__("msr cpsr_c, %0\n" + "mov sp, %1\n" + : + : "r" (IRQ_MODE | I_BIT | F_BIT | (cpsr & ~FIQ_MODE)), + "r" (IRQ_STACK_START) + : "memory"); + + __asm__ __volatile__("msr cpsr_c, %0\n" + "mov sp, %1\n" + : + : "r" (FIQ_MODE | I_BIT | F_BIT | (cpsr & ~IRQ_MODE)), + "r" (FIQ_STACK_START) + : "memory"); + + __asm__ __volatile__("msr cpsr_c, %0" + : + : "r" (cpsr) + : "memory"); + return arch_interrupt_init(); } diff --git a/arch/arm/lib/relocate.S b/arch/arm/lib/relocate.S index 8035251563..b4a258ce5c 100644 --- a/arch/arm/lib/relocate.S +++ b/arch/arm/lib/relocate.S @@ -6,6 +6,8 @@ * SPDX-License-Identifier: GPL-2.0+ */ +#include <asm-offsets.h> +#include <config.h> #include <linux/linkage.h> /* @@ -52,6 +54,34 @@ fixnext: cmp r2, r3 blo fixloop + /* + * Relocate the exception vectors + */ +#ifdef CONFIG_HAS_VBAR + /* + * If the ARM processor has the security extensions, + * use VBAR to relocate the exception vectors. + */ + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ + mcr p15, 0, r0, c12, c0, 0 /* Set VBAR */ +#else + /* + * Copy the relocated exception vectors to the + * correct address + * CP15 c1 V bit gives us the location of the vectors: + * 0x00000000 or 0xFFFF0000. + */ + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ + mrc p15, 0, r2, c1, c0, 0 /* V bit (bit[13]) in CP15 c1 */ + ands r2, r2, #(1 << 13) + ldreq r1, =0x00000000 /* If V=0 */ + ldrne r1, =0xFFFF0000 /* If V=1 */ + ldmia r0!, {r2-r8,r10} + stmia r1!, {r2-r8,r10} + ldmia r0!, {r2-r8,r10} + stmia r1!, {r2-r8,r10} +#endif + relocate_done: #ifdef __XSCALE__ diff --git a/arch/arm/lib/vectors.S b/arch/arm/lib/vectors.S index 0cb87cee7f..49238ed21e 100644 --- a/arch/arm/lib/vectors.S +++ b/arch/arm/lib/vectors.S @@ -33,7 +33,7 @@ ************************************************************************* */ - .section ".vectors", "x" + .section ".vectors", "ax" /* ************************************************************************* |
