diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/arm920t/at91rm9200/bcm5221.c | 4 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/dm9161.c | 3 | ||||
| -rw-r--r-- | cpu/arm926ejs/start.S | 42 | ||||
| -rw-r--r-- | cpu/mpc5xxx/cpu_init.c | 15 |
4 files changed, 54 insertions, 10 deletions
diff --git a/cpu/arm920t/at91rm9200/bcm5221.c b/cpu/arm920t/at91rm9200/bcm5221.c index b52c615..8de3cba 100644 --- a/cpu/arm920t/at91rm9200/bcm5221.c +++ b/cpu/arm920t/at91rm9200/bcm5221.c @@ -28,10 +28,10 @@ #include <at91rm9200_net.h> #include <net.h> -#include <bcm5221.h> - #ifdef CONFIG_DRIVER_ETHER +#include <bcm5221.h> + #if defined(CONFIG_CMD_NET) /* diff --git a/cpu/arm920t/at91rm9200/dm9161.c b/cpu/arm920t/at91rm9200/dm9161.c index 1beb6e8..6d4384f 100644 --- a/cpu/arm920t/at91rm9200/dm9161.c +++ b/cpu/arm920t/at91rm9200/dm9161.c @@ -23,9 +23,8 @@ #include <at91rm9200_net.h> #include <net.h> -#include <dm9161.h> - #ifdef CONFIG_DRIVER_ETHER +#include <dm9161.h> #if defined(CONFIG_CMD_NET) diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S index 4421b6a..3b81151 100644 --- a/cpu/arm926ejs/start.S +++ b/cpu/arm926ejs/start.S @@ -53,6 +53,27 @@ .globl _start _start: b reset +#ifdef CONFIG_PRELOADER +/* No exception handlers in preloader */ + ldr pc, _hang + ldr pc, _hang + ldr pc, _hang + ldr pc, _hang + ldr pc, _hang + ldr pc, _hang + ldr pc, _hang + +_hang: + .word do_hang +/* pad to 64 byte boundary */ + .word 0x12345678 + .word 0x12345678 + .word 0x12345678 + .word 0x12345678 + .word 0x12345678 + .word 0x12345678 + .word 0x12345678 +#else ldr pc, _undefined_instruction ldr pc, _software_interrupt ldr pc, _prefetch_abort @@ -76,6 +97,7 @@ _irq: _fiq: .word fiq +#endif /* CONFIG_PRELOADER */ .balignl 16,0xdeadbeef @@ -150,7 +172,6 @@ relocate: /* relocate U-Boot to RAM */ ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ cmp r0, r1 /* don't reloc during debug */ beq stack_setup - ldr r2, _armboot_start ldr r3, _bss_start sub r2, r3, r2 /* r2 <- size of armboot */ @@ -166,11 +187,14 @@ copy_loop: /* Set up the stack */ stack_setup: ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ + sub sp, r0, #128 /* leave 32 words for abort-stack */ +#ifndef CONFIG_PRELOADER sub r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area */ sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo */ #ifdef CONFIG_USE_IRQ sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif +#endif /* CONFIG_PRELOADER */ sub sp, r0, #12 /* leave 3 words for abort-stack */ bic sp, r0, #7 /* 8-byte align stack for ABI compliance */ @@ -179,6 +203,7 @@ clear_bss: ldr r1, _bss_end /* stop here */ mov r2, #0x00000000 /* clear */ +#ifndef CONFIG_PRELOADER clbss_l:str r2, [r0] /* clear loop... */ add r0, r0, #4 cmp r0, r1 @@ -186,11 +211,16 @@ clbss_l:str r2, [r0] /* clear loop... */ bl coloured_LED_init bl red_LED_on +#endif /* CONFIG_PRELOADER */ ldr pc, _start_armboot _start_armboot: +#ifdef CONFIG_NAND_SPL + .word nand_boot +#else .word start_armboot +#endif /* CONFIG_NAND_SPL */ /* @@ -231,6 +261,7 @@ cpu_init_crit: mov pc, lr /* back to my caller */ #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ +#ifndef CONFIG_PRELOADER /* ************************************************************************* * @@ -332,10 +363,18 @@ cpu_init_crit: .macro get_fiq_stack @ setup FIQ stack ldr sp, FIQ_STACK_START .endm +#endif /* CONFIG_PRELOADER */ /* * exception handlers */ +#ifdef CONFIG_PRELOADER + .align 5 +do_hang: + ldr sp, _TEXT_BASE /* switch to abort stack */ +1: + bl 1b /* hang and never return */ +#else /* !CONFIG_PRELOADER */ .align 5 undefined_instruction: get_bad_stack @@ -398,3 +437,4 @@ fiq: bl do_fiq #endif +#endif /* CONFIG_PRELOADER */ diff --git a/cpu/mpc5xxx/cpu_init.c b/cpu/mpc5xxx/cpu_init.c index b151464..560c9b3 100644 --- a/cpu/mpc5xxx/cpu_init.c +++ b/cpu/mpc5xxx/cpu_init.c @@ -40,15 +40,20 @@ void cpu_init_f (void) (struct mpc5xxx_mmap_ctl *) CONFIG_SYS_MBAR; volatile struct mpc5xxx_lpb *lpb = (struct mpc5xxx_lpb *) MPC5XXX_LPB; - volatile struct mpc5xxx_cdm *cdm = - (struct mpc5xxx_cdm *) MPC5XXX_CDM; volatile struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *) MPC5XXX_GPIO; volatile struct mpc5xxx_xlb *xlb = (struct mpc5xxx_xlb *) MPC5XXX_XLBARB; +#if defined(CONFIG_SYS_IPBCLK_EQUALS_XLBCLK) + volatile struct mpc5xxx_cdm *cdm = + (struct mpc5xxx_cdm *) MPC5XXX_CDM; +#endif /* CONFIG_SYS_IPBCLK_EQUALS_XLBCLK */ +#if defined(CONFIG_WATCHDOG) volatile struct mpc5xxx_gpt *gpt0 = (struct mpc5xxx_gpt *) MPC5XXX_GPT; +#endif /* CONFIG_WATCHDOG */ unsigned long addecr = (1 << 25); /* Boot_CS */ + #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_MGT5100) addecr |= (1 << 22); /* SDRAM enable */ #endif @@ -184,11 +189,11 @@ void cpu_init_f (void) # if defined(CONFIG_SYS_IPBCLK_EQUALS_XLBCLK) /* Motorola reports IPB should better run at 133 MHz. */ -#if defined(CONFIG_MGT5100) +# if defined(CONFIG_MGT5100) setbits_be32(&mm->addecr, 1); -#elif defined(CONFIG_MPC5200) +# elif defined(CONFIG_MPC5200) setbits_be32(&mm->ipbi_ws_ctrl, 1); -#endif +# endif /* pci_clk_sel = 0x02, ipb_clk_sel = 0x00; */ addecr = in_be32(&cdm->cfg); addecr &= ~0x103; |