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@ -27,25 +27,81 @@ |
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*/ |
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#include <common.h> |
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/* TODO: can we just include all these headers whether needed or not? */ |
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#if defined(CONFIG_CMD_BEDBUG) |
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#include <bedbug/type.h> |
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#endif |
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#ifdef CONFIG_HAS_DATAFLASH |
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#include <dataflash.h> |
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#endif |
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#include <environment.h> |
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#include <fdtdec.h> |
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#if defined(CONFIG_CMD_IDE) |
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#include <ide.h> |
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#endif |
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#include <initcall.h> |
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#ifdef CONFIG_PS2KBD |
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#include <keyboard.h> |
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#endif |
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#if defined(CONFIG_CMD_KGDB) |
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#include <kgdb.h> |
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#endif |
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#include <logbuff.h> |
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#include <malloc.h> |
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#ifdef CONFIG_BITBANGMII |
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#include <miiphy.h> |
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#endif |
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#include <mmc.h> |
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#include <nand.h> |
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#include <onenand_uboot.h> |
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#include <scsi.h> |
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#include <serial.h> |
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#include <spi.h> |
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#include <stdio_dev.h> |
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#include <watchdog.h> |
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#ifdef CONFIG_ADDR_MAP |
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#include <asm/mmu.h> |
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#endif |
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#include <asm/sections.h> |
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#include <linux/compiler.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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ulong monitor_flash_len; |
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int __board_flash_wp_on(void) |
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{ |
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/*
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* Most flashes can't be detected when write protection is enabled, |
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* so provide a way to let U-Boot gracefully ignore write protected |
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* devices. |
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*/ |
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return 0; |
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} |
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int board_flash_wp_on(void) |
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__attribute__ ((weak, alias("__board_flash_wp_on"))); |
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void __cpu_secondary_init_r(void) |
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{ |
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} |
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void cpu_secondary_init_r(void) |
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__attribute__ ((weak, alias("__cpu_secondary_init_r"))); |
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static int initr_secondary_cpu(void) |
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{ |
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/*
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* after non-volatile devices & environment is setup and cpu code have |
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* another round to deal with any initialization that might require |
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* full access to the environment or loading of some image (firmware) |
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* from a non-volatile device |
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*/ |
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/* TODO: maybe define this for all archs? */ |
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cpu_secondary_init_r(); |
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return 0; |
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} |
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static int initr_reloc(void) |
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{ |
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@ -68,6 +124,11 @@ static int initr_caches(void) |
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} |
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#endif |
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__weak int fixup_cpu(void) |
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{ |
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return 0; |
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} |
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static int initr_reloc_global_data(void) |
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{ |
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#ifdef CONFIG_SYS_SYM_OFFSETS |
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@ -75,6 +136,31 @@ static int initr_reloc_global_data(void) |
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#else |
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monitor_flash_len = (ulong)&__init_end - gd->dest_addr; |
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#endif |
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#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) |
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/*
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* The gd->cpu pointer is set to an address in flash before relocation. |
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* We need to update it to point to the same CPU entry in RAM. |
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* TODO: why not just add gd->reloc_ofs? |
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*/ |
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gd->arch.cpu += gd->dest_addr - CONFIG_SYS_MONITOR_BASE; |
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/*
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* If we didn't know the cpu mask & # cores, we can save them of |
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* now rather than 'computing' them constantly |
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*/ |
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fixup_cpu(); |
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#endif |
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#ifdef CONFIG_SYS_EXTRA_ENV_RELOC |
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/*
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* Some systems need to relocate the env_addr pointer early because the |
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* location it points to will get invalidated before env_relocate is |
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* called. One example is on systems that might use a L2 or L3 cache |
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* in SRAM mode and initialize that cache from SRAM mode back to being |
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* a cache in cpu_init_r. |
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*/ |
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gd->env_addr += gd->dest_addr - CONFIG_SYS_MONITOR_BASE; |
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#endif |
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return 0; |
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} |
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static int initr_serial(void) |
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@ -83,6 +169,27 @@ static int initr_serial(void) |
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return 0; |
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} |
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#ifdef CONFIG_PPC |
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static int initr_trap(void) |
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{ |
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/*
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* Setup trap handlers |
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*/ |
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trap_init(gd->dest_addr); |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_ADDR_MAP |
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static int initr_addr_map(void) |
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{ |
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init_addr_map(); |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_LOGBUFFER |
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unsigned long logbuffer_base(void) |
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{ |
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@ -104,6 +211,50 @@ static int initr_post_backlog(void) |
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} |
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#endif |
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#ifdef CONFIG_SYS_DELAYED_ICACHE |
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static int initr_icache_enable(void) |
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{ |
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return 0; |
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} |
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#endif |
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#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
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static int initr_unlock_ram_in_cache(void) |
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{ |
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unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_PCI |
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static int initr_pci(void) |
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{ |
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pci_init(); |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_WINBOND_83C553 |
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static int initr_w83c553f(void) |
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{ |
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/*
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* Initialise the ISA bridge |
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*/ |
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initialise_w83c553f(); |
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return 0; |
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} |
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#endif |
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static int initr_barrier(void) |
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{ |
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#ifdef CONFIG_PPC |
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/* TODO: Can we not use dmb() macros for this? */ |
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asm("sync ; isync"); |
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#endif |
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return 0; |
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} |
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static int initr_malloc(void) |
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{ |
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ulong malloc_start; |
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@ -128,13 +279,26 @@ static int initr_announce(void) |
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#if !defined(CONFIG_SYS_NO_FLASH) |
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static int initr_flash(void) |
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{ |
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ulong flash_size; |
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ulong flash_size = 0; |
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bd_t *bd = gd->bd; |
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int ok; |
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puts("Flash: "); |
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if (board_flash_wp_on()) { |
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printf("Uninitialized - Write Protect On\n"); |
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/* Since WP is on, we can't find real size. Set to 0 */ |
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ok = 1; |
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} else { |
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flash_size = flash_init(); |
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if (flash_size <= 0) { |
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ok = flash_size > 0; |
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} |
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if (!ok) { |
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puts("*** failed ***\n"); |
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#ifdef CONFIG_PPC |
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/* Why does PPC do this? */ |
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hang(); |
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#endif |
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return -1; |
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} |
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print_size(flash_size, ""); |
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@ -152,6 +316,39 @@ static int initr_flash(void) |
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#endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
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putc('\n'); |
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/* update start of FLASH memory */ |
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#ifdef CONFIG_SYS_FLASH_BASE |
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bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; |
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#endif |
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/* size of FLASH memory (final value) */ |
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bd->bi_flashsize = flash_size; |
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#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) |
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/* Make a update of the Memctrl. */ |
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update_flash_size(flash_size); |
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#endif |
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#if defined(CONFIG_OXC) || defined(CONFIG_RMU) |
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/* flash mapped at end of memory map */ |
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bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; |
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#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE |
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bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ |
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#endif |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_PPC |
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static int initr_spi(void) |
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{ |
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/* PPC does this here */ |
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#ifdef CONFIG_SPI |
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#if !defined(CONFIG_ENV_IS_IN_EEPROM) |
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spi_init_f(); |
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#endif |
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spi_init_r(); |
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#endif |
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return 0; |
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} |
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#endif |
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@ -226,8 +423,55 @@ static int initr_env(void) |
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/* Initialize from environment */ |
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load_addr = getenv_ulong("loadaddr", 16, load_addr); |
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#if defined(CONFIG_SYS_EXTBDINFO) |
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#if defined(CONFIG_405GP) || defined(CONFIG_405EP) |
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#if defined(CONFIG_I2CFAST) |
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/*
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* set bi_iic_fast for linux taking environment variable |
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* "i2cfast" into account |
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*/ |
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{ |
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char *s = getenv("i2cfast"); |
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if (s && ((*s == 'y') || (*s == 'Y'))) { |
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gd->bd->bi_iic_fast[0] = 1; |
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gd->bd->bi_iic_fast[1] = 1; |
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} |
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} |
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#endif /* CONFIG_I2CFAST */ |
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#endif /* CONFIG_405GP, CONFIG_405EP */ |
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#endif /* CONFIG_SYS_EXTBDINFO */ |
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return 0; |
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} |
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#ifdef CONFIG_HERMES |
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static int initr_hermes(void) |
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{ |
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if ((gd->board_type >> 16) == 2) |
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gd->bd->bi_ethspeed = gd->board_type & 0xFFFF; |
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else |
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gd->bd->bi_ethspeed = 0xFFFF; |
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return 0; |
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} |
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static int initr_hermes_start(void) |
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{ |
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if (gd->bd->bi_ethspeed != 0xFFFF) |
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hermes_start_lxt980((int) gd->bd->bi_ethspeed); |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_SC3 |
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/* TODO: with new initcalls, move this into the driver */ |
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extern void sc3_read_eeprom(void); |
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static int initr_sc3_read_eeprom(void) |
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{ |
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sc3_read_eeprom(); |
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return 0; |
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} |
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#endif |
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static int initr_jumptable(void) |
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{ |
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@ -269,11 +513,68 @@ static int initr_enable_interrupts(void) |
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#ifdef CONFIG_CMD_NET |
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static int initr_ethaddr(void) |
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{ |
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bd_t *bd = gd->bd; |
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/* kept around for legacy kernels only ... ignore the next section */ |
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eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); |
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#ifdef CONFIG_HAS_ETH1 |
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eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); |
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#endif |
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#ifdef CONFIG_HAS_ETH2 |
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eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); |
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#endif |
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#ifdef CONFIG_HAS_ETH3 |
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eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); |
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#endif |
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#ifdef CONFIG_HAS_ETH4 |
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eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); |
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#endif |
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#ifdef CONFIG_HAS_ETH5 |
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eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); |
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#endif |
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return 0; |
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} |
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#endif /* CONFIG_CMD_NET */ |
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#ifdef CONFIG_CMD_KGDB |
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static int initr_kgdb(void) |
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{ |
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puts("KGDB: "); |
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kgdb_init(); |
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return 0; |
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} |
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#endif |
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#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) |
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static int initr_status_led(void) |
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{ |
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status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); |
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return 0; |
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} |
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#endif |
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#if defined(CONFIG_CMD_SCSI) |
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static int initr_scsi(void) |
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{ |
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/* Not supported properly on ARM yet */ |
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#ifndef CONFIG_ARM |
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puts("SCSI: "); |
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scsi_init(); |
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#endif |
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return 0; |
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} |
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#endif /* CONFIG_CMD_NET */ |
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#if defined(CONFIG_CMD_DOC) |
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static int initr_doc(void) |
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{ |
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puts("DOC: "); |
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doc_init(); |
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} |
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#endif |
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#ifdef CONFIG_BITBANGMII |
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static int initr_bbmii(void) |
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{ |
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@ -303,6 +604,33 @@ static int initr_post(void) |
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} |
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#endif |
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#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) |
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static int initr_pcmcia(void) |
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{ |
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puts("PCMCIA:"); |
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pcmcia_init(); |
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return 0; |
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} |
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#endif |
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#if defined(CONFIG_CMD_IDE) |
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static int initr_ide(void) |
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{ |
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#ifdef CONFIG_IDE_8xx_PCCARD |
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puts("PCMCIA:"); |
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#else |
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puts("IDE: "); |
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#endif |
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#if defined(CONFIG_START_IDE) |
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if (board_start_ide()) |
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ide_init(); |
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#else |
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ide_init(); |
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#endif |
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return 0; |
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} |
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#endif |
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#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
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|
/*
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|
* Export available size of memory for Linux, taking into account the |
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@ -322,6 +650,37 @@ int initr_mem(void) |
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# endif |
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sprintf(memsz, "%ldk", (gd->ram_size / 1024) - pram); |
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setenv("mem", memsz); |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_CMD_BEDBUG |
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static int initr_bedbug(void) |
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|
{ |
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|
bedbug_init(); |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_PS2KBD |
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static int initr_kbd(void) |
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|
{ |
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|
puts("PS/2: "); |
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|
kbd_init(); |
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|
return 0; |
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|
} |
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|
#endif |
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|
#ifdef CONFIG_MODEM_SUPPORT |
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|
static int initr_modem(void) |
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|
{ |
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|
|
/* TODO: with new initcalls, move this into the driver */ |
|
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|
|
extern int do_mdm_init; |
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|
|
do_mdm_init = gd->do_mdm_init; |
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|
return 0; |
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|
} |
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|
#endif |
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|
@ -339,22 +698,63 @@ static int run_main_loop(void) |
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|
* |
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|
* We also hope to remove most of the driver-related init and do it if/when |
|
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|
|
* the driver is later used. |
|
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|
|
* |
|
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|
|
* TODO: perhaps reset the watchdog in the initcall function after each call? |
|
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|
|
*/ |
|
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|
|
init_fnc_t init_sequence_r[] = { |
|
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|
|
initr_reloc, |
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|
|
/* TODO: could x86/PPC have this also perhaps? */ |
|
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|
|
#ifdef CONFIG_ARM |
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|
|
initr_caches, |
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|
|
board_init, /* Setup chipselects */ |
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|
#endif |
|
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|
|
/*
|
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|
|
* TODO: printing of the clock inforamtion of the board is now |
|
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|
|
* implemented as part of bdinfo command. Currently only support for |
|
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|
|
* davinci SOC's is added. Remove this check once all the board |
|
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|
|
* implement this. |
|
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|
|
*/ |
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|
|
#ifdef CONFIG_CLOCKS |
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|
|
set_cpu_clk_info, /* Setup clock information */ |
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|
#endif |
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|
initr_reloc_global_data, |
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|
|
initr_serial, |
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|
|
initr_announce, |
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|
|
INIT_FUNC_WATCHDOG_RESET |
|
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|
|
#ifdef CONFIG_PPC |
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|
|
initr_trap, |
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|
#endif |
|
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|
|
#ifdef CONFIG_ADDR_MAP |
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|
|
initr_addr_map, |
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|
|
#endif |
|
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|
|
#if defined(CONFIG_BOARD_EARLY_INIT_R) |
|
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|
|
board_early_init_r, |
|
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|
|
#endif |
|
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|
|
INIT_FUNC_WATCHDOG_RESET |
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|
|
#ifdef CONFIG_LOGBUFFER |
|
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|
|
initr_logbuffer, |
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|
|
#endif |
|
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|
|
#ifdef CONFIG_POST |
|
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|
|
initr_post_backlog, |
|
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|
|
#endif |
|
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|
|
INIT_FUNC_WATCHDOG_RESET |
|
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|
|
#ifdef CONFIG_SYS_DELAYED_ICACHE |
|
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|
|
initr_icache_enable, |
|
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|
|
#endif |
|
|
|
|
#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
|
|
|
|
initr_unlock_ram_in_cache, |
|
|
|
|
#endif |
|
|
|
|
#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) |
|
|
|
|
/*
|
|
|
|
|
* Do early PCI configuration _before_ the flash gets initialised, |
|
|
|
|
* because PCU ressources are crucial for flash access on some boards. |
|
|
|
|
*/ |
|
|
|
|
initr_pci, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_WINBOND_83C553 |
|
|
|
|
initr_w83c553f, |
|
|
|
|
#endif |
|
|
|
|
initr_barrier, |
|
|
|
|
initr_malloc, |
|
|
|
|
#ifdef CONFIG_ARCH_EARLY_INIT_R |
|
|
|
|
arch_early_init_r, |
|
|
|
@ -363,6 +763,12 @@ init_fnc_t init_sequence_r[] = { |
|
|
|
|
#ifndef CONFIG_SYS_NO_FLASH |
|
|
|
|
initr_flash, |
|
|
|
|
#endif |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
#ifdef CONFIG_PPC |
|
|
|
|
/* initialize higher level parts of CPU like time base and timers */ |
|
|
|
|
cpu_init_r, |
|
|
|
|
initr_spi, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_CMD_NAND |
|
|
|
|
initr_nand, |
|
|
|
|
#endif |
|
|
|
@ -376,6 +782,24 @@ init_fnc_t init_sequence_r[] = { |
|
|
|
|
initr_dataflash, |
|
|
|
|
#endif |
|
|
|
|
initr_env, |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
initr_secondary_cpu, |
|
|
|
|
#ifdef CONFIG_SC3 |
|
|
|
|
initr_sc3_read_eeprom, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_HERMES |
|
|
|
|
initr_hermes, |
|
|
|
|
#endif |
|
|
|
|
#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) |
|
|
|
|
mac_read_from_eeprom, |
|
|
|
|
#endif |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) |
|
|
|
|
/*
|
|
|
|
|
* Do pci configuration |
|
|
|
|
*/ |
|
|
|
|
initr_pci, |
|
|
|
|
#endif |
|
|
|
|
stdio_init, |
|
|
|
|
initr_jumptable, |
|
|
|
|
#ifdef CONFIG_API |
|
|
|
@ -391,23 +815,73 @@ init_fnc_t init_sequence_r[] = { |
|
|
|
|
#ifdef CONFIG_MISC_INIT_R |
|
|
|
|
misc_init_r, /* miscellaneous platform-dependent init */ |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_HERMES |
|
|
|
|
initr_hermes_start, |
|
|
|
|
#endif |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
#ifdef CONFIG_CMD_KGDB |
|
|
|
|
initr_kgdb, |
|
|
|
|
#endif |
|
|
|
|
interrupt_init, |
|
|
|
|
#ifdef CONFIG_ARM |
|
|
|
|
initr_enable_interrupts, |
|
|
|
|
#endif |
|
|
|
|
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) |
|
|
|
|
initr_status_led, |
|
|
|
|
#endif |
|
|
|
|
/* PPC has a udelay(20) here dating from 2002. Why? */ |
|
|
|
|
#ifdef CONFIG_CMD_NET |
|
|
|
|
initr_ethaddr, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_BOARD_LATE_INIT |
|
|
|
|
board_late_init, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_CMD_SCSI |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
initr_scsi, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_CMD_DOC |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
initr_doc, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_BITBANGMII |
|
|
|
|
initr_bbmii, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_CMD_NET |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
initr_net, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_POST |
|
|
|
|
initr_post, |
|
|
|
|
#endif |
|
|
|
|
#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) |
|
|
|
|
initr_pcmcia, |
|
|
|
|
#endif |
|
|
|
|
#if defined(CONFIG_CMD_IDE) |
|
|
|
|
initr_ide, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_LAST_STAGE_INIT |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
/*
|
|
|
|
|
* Some parts can be only initialized if all others (like |
|
|
|
|
* Interrupts) are up and running (i.e. the PC-style ISA |
|
|
|
|
* keyboard). |
|
|
|
|
*/ |
|
|
|
|
last_stage_init, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_CMD_BEDBUG |
|
|
|
|
INIT_FUNC_WATCHDOG_RESET |
|
|
|
|
initr_bedbug, |
|
|
|
|
#endif |
|
|
|
|
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
|
|
|
|
initr_mem, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_PS2KBD |
|
|
|
|
initr_kbd, |
|
|
|
|
#endif |
|
|
|
|
#ifdef CONFIG_MODEM_SUPPORT |
|
|
|
|
initr_modem, |
|
|
|
|
#endif |
|
|
|
|
run_main_loop, |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|