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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_avr32/board.c | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) | |
download | u-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.zip u-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.gz u-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.bz2 |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_avr32/board.c')
-rw-r--r-- | lib_avr32/board.c | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/lib_avr32/board.c b/lib_avr32/board.c deleted file mode 100644 index 917ed6c..0000000 --- a/lib_avr32/board.c +++ /dev/null @@ -1,360 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <common.h> -#include <command.h> -#include <malloc.h> -#include <stdio_dev.h> -#include <timestamp.h> -#include <version.h> -#include <net.h> - -#ifdef CONFIG_BITBANGMII -#include <miiphy.h> -#endif - -#include <asm/initcalls.h> -#include <asm/sections.h> - -#ifndef CONFIG_IDENT_STRING -#define CONFIG_IDENT_STRING "" -#endif - -DECLARE_GLOBAL_DATA_PTR; - -const char version_string[] = - U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME") " CONFIG_IDENT_STRING; - -unsigned long monitor_flash_len; - -/* Weak aliases for optional board functions */ -static int __do_nothing(void) -{ - return 0; -} -int board_postclk_init(void) __attribute__((weak, alias("__do_nothing"))); -int board_early_init_r(void) __attribute__((weak, alias("__do_nothing"))); - -#ifdef CONFIG_SYS_DMA_ALLOC_LEN -#include <asm/arch/cacheflush.h> -#include <asm/io.h> - -static unsigned long dma_alloc_start; -static unsigned long dma_alloc_end; -static unsigned long dma_alloc_brk; - -static void dma_alloc_init(void) -{ - unsigned long monitor_addr; - - monitor_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off; - dma_alloc_end = monitor_addr - CONFIG_SYS_MALLOC_LEN; - dma_alloc_start = dma_alloc_end - CONFIG_SYS_DMA_ALLOC_LEN; - dma_alloc_brk = dma_alloc_start; - - printf("DMA: Using memory from 0x%08lx to 0x%08lx\n", - dma_alloc_start, dma_alloc_end); - - dcache_invalidate_range(cached(dma_alloc_start), - dma_alloc_end - dma_alloc_start); -} - -void *dma_alloc_coherent(size_t len, unsigned long *handle) -{ - unsigned long paddr = dma_alloc_brk; - - if (dma_alloc_brk + len > dma_alloc_end) - return NULL; - - dma_alloc_brk = ((paddr + len + CONFIG_SYS_DCACHE_LINESZ - 1) - & ~(CONFIG_SYS_DCACHE_LINESZ - 1)); - - *handle = paddr; - return uncached(paddr); -} -#else -static inline void dma_alloc_init(void) -{ - -} -#endif - -static int init_baudrate(void) -{ - char tmp[64]; - int i; - - i = getenv_r("baudrate", tmp, sizeof(tmp)); - if (i > 0) { - gd->baudrate = simple_strtoul(tmp, NULL, 10); - } else { - gd->baudrate = CONFIG_BAUDRATE; - } - return 0; -} - - -static int display_banner (void) -{ - printf ("\n\n%s\n\n", version_string); - printf ("U-Boot code: %p -> %p data: %p -> %p\n", - _text, _etext, _data, _end); - return 0; -} - -void hang(void) -{ - for (;;) ; -} - -static int display_dram_config (void) -{ - int i; - - puts ("DRAM Configuration:\n"); - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); - print_size (gd->bd->bi_dram[i].size, "\n"); - } - - return 0; -} - -static void display_flash_config (void) -{ - puts ("Flash: "); - print_size(gd->bd->bi_flashsize, " "); - printf("at address 0x%08lx\n", gd->bd->bi_flashstart); -} - -void board_init_f(ulong board_type) -{ - gd_t gd_data; - gd_t *new_gd; - bd_t *bd; - unsigned long *new_sp; - unsigned long monitor_len; - unsigned long monitor_addr; - unsigned long addr; - long sdram_size; - - /* Initialize the global data pointer */ - memset(&gd_data, 0, sizeof(gd_data)); - gd = &gd_data; - - /* Perform initialization sequence */ - board_early_init_f(); - cpu_init(); - board_postclk_init(); - env_init(); - init_baudrate(); - serial_init(); - console_init_f(); - display_banner(); - sdram_size = initdram(board_type); - - /* If we have no SDRAM, we can't go on */ - if (sdram_size <= 0) - panic("No working SDRAM available\n"); - - /* - * Now that we have DRAM mapped and working, we can - * relocate the code and continue running from DRAM. - * - * Reserve memory at end of RAM for (top down in that order): - * - u-boot image - * - heap for malloc() - * - board info struct - * - global data struct - * - stack - */ - addr = CONFIG_SYS_SDRAM_BASE + sdram_size; - monitor_len = _end - _text; - - /* - * Reserve memory for u-boot code, data and bss. - * Round down to next 4 kB limit. - */ - addr -= monitor_len; - addr &= ~(4096UL - 1); - monitor_addr = addr; - - /* Reserve memory for malloc() */ - addr -= CONFIG_SYS_MALLOC_LEN; - -#ifdef CONFIG_SYS_DMA_ALLOC_LEN - /* Reserve DMA memory (must be cache aligned) */ - addr &= ~(CONFIG_SYS_DCACHE_LINESZ - 1); - addr -= CONFIG_SYS_DMA_ALLOC_LEN; -#endif - -#ifdef CONFIG_LCD -#ifdef CONFIG_FB_ADDR - printf("LCD: Frame buffer allocated at preset 0x%08x\n", - CONFIG_FB_ADDR); - gd->fb_base = (void *)CONFIG_FB_ADDR; -#else - addr = lcd_setmem(addr); - printf("LCD: Frame buffer allocated at 0x%08lx\n", addr); - gd->fb_base = (void *)addr; -#endif /* CONFIG_FB_ADDR */ -#endif /* CONFIG_LCD */ - - /* Allocate a Board Info struct on a word boundary */ - addr -= sizeof(bd_t); - addr &= ~3UL; - gd->bd = bd = (bd_t *)addr; - - /* Allocate a new global data copy on a 8-byte boundary. */ - addr -= sizeof(gd_t); - addr &= ~7UL; - new_gd = (gd_t *)addr; - - /* And finally, a new, bigger stack. */ - new_sp = (unsigned long *)addr; - gd->stack_end = addr; - *(--new_sp) = 0; - *(--new_sp) = 0; - - /* - * Initialize the board information struct with the - * information we have. - */ - bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - bd->bi_dram[0].size = sdram_size; - bd->bi_baudrate = gd->baudrate; - - memcpy(new_gd, gd, sizeof(gd_t)); - - relocate_code((unsigned long)new_sp, new_gd, monitor_addr); -} - -void board_init_r(gd_t *new_gd, ulong dest_addr) -{ - extern void malloc_bin_reloc (void); -#ifndef CONFIG_ENV_IS_NOWHERE - extern char * env_name_spec; -#endif - char *s; - cmd_tbl_t *cmdtp; - bd_t *bd; - - gd = new_gd; - bd = gd->bd; - - gd->flags |= GD_FLG_RELOC; - gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE; - - board_early_init_r(); - - monitor_flash_len = _edata - _text; - - /* - * We have to relocate the command table manually - */ - for (cmdtp = &__u_boot_cmd_start; - cmdtp != &__u_boot_cmd_end; cmdtp++) { - unsigned long addr; - - addr = (unsigned long)cmdtp->cmd + gd->reloc_off; - cmdtp->cmd = (typeof(cmdtp->cmd))addr; - - addr = (unsigned long)cmdtp->name + gd->reloc_off; - cmdtp->name = (typeof(cmdtp->name))addr; - - if (cmdtp->usage) { - addr = (unsigned long)cmdtp->usage + gd->reloc_off; - cmdtp->usage = (typeof(cmdtp->usage))addr; - } -#ifdef CONFIG_SYS_LONGHELP - if (cmdtp->help) { - addr = (unsigned long)cmdtp->help + gd->reloc_off; - cmdtp->help = (typeof(cmdtp->help))addr; - } -#endif - } - - /* there are some other pointer constants we must deal with */ -#ifndef CONFIG_ENV_IS_NOWHERE - env_name_spec += gd->reloc_off; -#endif - - timer_init(); - - /* The malloc area is right below the monitor image in RAM */ - mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off - - CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN); - malloc_bin_reloc(); - dma_alloc_init(); - - enable_interrupts(); - - bd->bi_flashstart = 0; - bd->bi_flashsize = 0; - bd->bi_flashoffset = 0; - -#ifndef CONFIG_SYS_NO_FLASH - bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; - bd->bi_flashsize = flash_init(); - bd->bi_flashoffset = (unsigned long)_edata - (unsigned long)_text; - - if (bd->bi_flashsize) - display_flash_config(); -#endif - - if (bd->bi_dram[0].size) - display_dram_config(); - - gd->bd->bi_boot_params = malloc(CONFIG_SYS_BOOTPARAMS_LEN); - if (!gd->bd->bi_boot_params) - puts("WARNING: Cannot allocate space for boot parameters\n"); - - /* initialize environment */ - env_relocate(); - - bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); - - stdio_init(); - jumptable_init(); - console_init_r(); - - s = getenv("loadaddr"); - if (s) - load_addr = simple_strtoul(s, NULL, 16); - -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#if defined(CONFIG_CMD_NET) - s = getenv("bootfile"); - if (s) - copy_filename(BootFile, s, sizeof(BootFile)); -#if defined(CONFIG_NET_MULTI) - puts("Net: "); -#endif - eth_initialize(gd->bd); -#endif - - for (;;) { - main_loop(); - } -} |