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@ -1,41 +1,29 @@ |
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/*
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* U-boot - board.c First C file to be called contains init routines |
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* |
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* Copyright (c) 2005-2007 Analog Devices Inc. |
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* Copyright (c) 2005-2008 Analog Devices Inc. |
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* |
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* (C) Copyright 2000-2004 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
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* MA 02110-1301 USA |
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* Licensed under the GPL-2 or later. |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <malloc.h> |
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#include <devices.h> |
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#include <version.h> |
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#include <net.h> |
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#include <environment.h> |
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#include <i2c.h> |
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#include "blackfin_board.h" |
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#include <malloc.h> |
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#include <net.h> |
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#include <version.h> |
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#include <asm/cplb.h> |
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#include "../drivers/net/smc91111.h" |
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#include <asm/mach-common/bits/mpu.h> |
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#ifdef CONFIG_CMD_NAND |
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#include <nand.h> /* cannot even include nand.h if it isnt configured */ |
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#endif |
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#if defined(CONFIG_POST) |
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#include <post.h> |
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@ -44,11 +32,19 @@ int post_flag; |
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DECLARE_GLOBAL_DATA_PTR; |
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#ifndef CFG_NO_FLASH |
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extern flash_info_t flash_info[]; |
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const char version_string[] = U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ")"; |
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__attribute__((always_inline)) |
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static inline void serial_early_puts(const char *s) |
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{ |
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#ifdef CONFIG_DEBUG_EARLY_SERIAL |
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serial_puts("Early: "); |
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serial_puts(s); |
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#endif |
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} |
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static inline u_long get_vco(void) |
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/* Get the input voltage */ |
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static u_long get_vco(void) |
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{ |
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u_long msel; |
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u_long vco; |
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@ -63,7 +59,7 @@ static inline u_long get_vco(void) |
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return vco; |
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} |
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/*Get the Core clock*/ |
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/* Get the Core clock */ |
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u_long get_cclk(void) |
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{ |
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u_long csel, ssel; |
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@ -91,127 +87,152 @@ u_long get_sclk(void) |
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return get_vco() / ssel; |
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} |
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static void *mem_malloc_start, *mem_malloc_end, *mem_malloc_brk; |
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static void mem_malloc_init(void) |
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{ |
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mem_malloc_start = CFG_MALLOC_BASE; |
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mem_malloc_end = (CFG_MALLOC_BASE + CFG_MALLOC_LEN); |
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mem_malloc_start = (void *)CFG_MALLOC_BASE; |
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mem_malloc_end = (void *)(CFG_MALLOC_BASE + CFG_MALLOC_LEN); |
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mem_malloc_brk = mem_malloc_start; |
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memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start); |
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memset(mem_malloc_start, 0, mem_malloc_end - mem_malloc_start); |
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} |
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void *sbrk(ptrdiff_t increment) |
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{ |
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ulong old = mem_malloc_brk; |
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ulong new = old + increment; |
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void *old = mem_malloc_brk; |
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void *new = old + increment; |
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if (new < mem_malloc_start || new > mem_malloc_end) |
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return NULL; |
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if ((new < mem_malloc_start) || (new > mem_malloc_end)) { |
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return (NULL); |
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} |
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mem_malloc_brk = new; |
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return ((void *)old); |
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return old; |
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} |
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static int display_banner(void) |
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{ |
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sprintf(version_string, VERSION_STRING_FORMAT, VERSION_STRING); |
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printf("%s\n", version_string); |
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printf("\n\n%s\n\n", version_string); |
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printf("CPU: ADSP " MK_STR(CONFIG_BFIN_CPU) " (Detected Rev: 0.%d)\n", bfin_revid()); |
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return (0); |
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} |
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static void display_flash_config(ulong size) |
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{ |
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puts("FLASH: "); |
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print_size(size, "\n"); |
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return; |
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return 0; |
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} |
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static int init_baudrate(void) |
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{ |
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char tmp[64]; |
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int i = getenv_r("baudrate", tmp, sizeof(tmp)); |
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char baudrate[15]; |
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int i = getenv_r("baudrate", baudrate, sizeof(baudrate)); |
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gd->bd->bi_baudrate = gd->baudrate = (i > 0) |
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? (int)simple_strtoul(tmp, NULL, 10) |
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? simple_strtoul(baudrate, NULL, 10) |
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: CONFIG_BAUDRATE; |
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return (0); |
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return 0; |
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} |
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#ifdef DEBUG |
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static void display_global_data(void) |
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{ |
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#ifdef CONFIG_DEBUG_EARLY_SERIAL |
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bd_t *bd; |
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bd = gd->bd; |
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printf("--flags:%x\n", gd->flags); |
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printf("--board_type:%x\n", gd->board_type); |
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printf("--baudrate:%x\n", gd->baudrate); |
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printf("--have_console:%x\n", gd->have_console); |
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printf("--ram_size:%x\n", gd->ram_size); |
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printf("--reloc_off:%x\n", gd->reloc_off); |
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printf("--env_addr:%x\n", gd->env_addr); |
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printf("--env_valid:%x\n", gd->env_valid); |
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printf("--bd:%x %x\n", gd->bd, bd); |
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printf("---bi_baudrate:%x\n", bd->bi_baudrate); |
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printf("---bi_ip_addr:%x\n", bd->bi_ip_addr); |
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printf("---bi_enetaddr:%x %x %x %x %x %x\n", |
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bd->bi_enetaddr[0], |
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bd->bi_enetaddr[1], |
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bd->bi_enetaddr[2], |
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bd->bi_enetaddr[3], bd->bi_enetaddr[4], bd->bi_enetaddr[5]); |
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printf("---bi_arch_number:%x\n", bd->bi_arch_number); |
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printf("---bi_boot_params:%x\n", bd->bi_boot_params); |
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printf("---bi_memstart:%x\n", bd->bi_memstart); |
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printf("---bi_memsize:%x\n", bd->bi_memsize); |
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printf("---bi_flashstart:%x\n", bd->bi_flashstart); |
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printf("---bi_flashsize:%x\n", bd->bi_flashsize); |
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printf("---bi_flashoffset:%x\n", bd->bi_flashoffset); |
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printf("--jt:%x *:%x\n", gd->jt, *(gd->jt)); |
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} |
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printf(" gd: %x\n", gd); |
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printf(" |-flags: %x\n", gd->flags); |
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printf(" |-board_type: %x\n", gd->board_type); |
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printf(" |-baudrate: %i\n", gd->baudrate); |
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printf(" |-have_console: %x\n", gd->have_console); |
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printf(" |-ram_size: %x\n", gd->ram_size); |
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printf(" |-reloc_off: %x\n", gd->reloc_off); |
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printf(" |-env_addr: %x\n", gd->env_addr); |
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printf(" |-env_valid: %x\n", gd->env_valid); |
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printf(" |-jt(%x): %x\n", gd->jt, *(gd->jt)); |
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printf(" \\-bd: %x\n", gd->bd); |
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printf(" |-bi_baudrate: %x\n", bd->bi_baudrate); |
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printf(" |-bi_ip_addr: %x\n", bd->bi_ip_addr); |
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printf(" |-bi_enetaddr: %x %x %x %x %x %x\n", |
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bd->bi_enetaddr[0], bd->bi_enetaddr[1], |
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bd->bi_enetaddr[2], bd->bi_enetaddr[3], |
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bd->bi_enetaddr[4], bd->bi_enetaddr[5]); |
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printf(" |-bi_boot_params: %x\n", bd->bi_boot_params); |
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printf(" |-bi_memstart: %x\n", bd->bi_memstart); |
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printf(" |-bi_memsize: %x\n", bd->bi_memsize); |
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printf(" |-bi_flashstart: %x\n", bd->bi_flashstart); |
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printf(" |-bi_flashsize: %x\n", bd->bi_flashsize); |
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printf(" \\-bi_flashoffset: %x\n", bd->bi_flashoffset); |
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#endif |
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} |
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/* we cover everything with 4 meg pages, and need an extra for L1 */ |
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unsigned int icplb_table[page_descriptor_table_size][2]; |
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unsigned int dcplb_table[page_descriptor_table_size][2]; |
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#define CPLB_PAGE_SIZE (4 * 1024 * 1024) |
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#define CPLB_PAGE_MASK (~(CPLB_PAGE_SIZE - 1)) |
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void init_cplbtables(void) |
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{ |
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int i, j; |
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j = 0; |
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icplb_table[j][0] = 0xFFA00000; |
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icplb_table[j][1] = L1_IMEMORY; |
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j++; |
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for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) { |
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icplb_table[j][0] = (i * 4 * 1024 * 1024); |
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if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE |
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&& (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) { |
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icplb_table[j][1] = SDRAM_IKERNEL; |
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} else { |
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icplb_table[j][1] = SDRAM_IGENERIC; |
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} |
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j++; |
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volatile uint32_t *ICPLB_ADDR, *ICPLB_DATA; |
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volatile uint32_t *DCPLB_ADDR, *DCPLB_DATA; |
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uint32_t extern_memory; |
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size_t i; |
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void icplb_add(uint32_t addr, uint32_t data) |
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{ |
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*(ICPLB_ADDR + i) = addr; |
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*(ICPLB_DATA + i) = data; |
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} |
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icplb_table[j][0] = 0x20000000; |
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icplb_table[j][1] = SDRAM_INON_CHBL; |
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j = 0; |
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dcplb_table[j][0] = 0xFF800000; |
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dcplb_table[j][1] = L1_DMEMORY; |
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j++; |
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for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) { |
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dcplb_table[j][0] = (i * 4 * 1024 * 1024); |
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if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE |
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&& (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) { |
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dcplb_table[j][1] = SDRAM_DKERNEL; |
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} else { |
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dcplb_table[j][1] = SDRAM_DGENERIC; |
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} |
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j++; |
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void dcplb_add(uint32_t addr, uint32_t data) |
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{ |
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*(DCPLB_ADDR + i) = addr; |
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*(DCPLB_DATA + i) = data; |
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} |
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dcplb_table[j][0] = 0x20000000; |
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dcplb_table[j][1] = SDRAM_EBIU; |
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/* populate a few common entries ... we'll let
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* the memory map and cplb exception handler do |
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* the rest of the work. |
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*/ |
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i = 0; |
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ICPLB_ADDR = (uint32_t *)ICPLB_ADDR0; |
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ICPLB_DATA = (uint32_t *)ICPLB_DATA0; |
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DCPLB_ADDR = (uint32_t *)DCPLB_ADDR0; |
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DCPLB_DATA = (uint32_t *)DCPLB_DATA0; |
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icplb_add(0xFFA00000, L1_IMEMORY); |
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dcplb_add(0xFF800000, L1_DMEMORY); |
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++i; |
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icplb_add(CFG_MONITOR_BASE & CPLB_PAGE_MASK, SDRAM_IKERNEL); |
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dcplb_add(CFG_MONITOR_BASE & CPLB_PAGE_MASK, SDRAM_DKERNEL); |
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++i; |
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/* If the monitor crosses a 4 meg boundary, we'll need
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* to lock two entries for it. |
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*/ |
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if ((CFG_MONITOR_BASE & CPLB_PAGE_MASK) != ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) & CPLB_PAGE_MASK)) { |
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icplb_add((CFG_MONITOR_BASE + CFG_MONITOR_LEN) & CPLB_PAGE_MASK, SDRAM_IKERNEL); |
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dcplb_add((CFG_MONITOR_BASE + CFG_MONITOR_LEN) & CPLB_PAGE_MASK, SDRAM_DKERNEL); |
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++i; |
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} |
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icplb_add(0x20000000, SDRAM_INON_CHBL); |
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dcplb_add(0x20000000, SDRAM_EBIU); |
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++i; |
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/* Add entries for the rest of external RAM up to the bootrom */ |
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extern_memory = 0; |
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#ifdef CONFIG_DEBUG_NULL_PTR |
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icplb_add(extern_memory, (SDRAM_IKERNEL & ~PAGE_SIZE_MASK) | PAGE_SIZE_1KB); |
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dcplb_add(extern_memory, (SDRAM_DKERNEL & ~PAGE_SIZE_MASK) | PAGE_SIZE_1KB); |
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++i; |
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icplb_add(extern_memory, SDRAM_IKERNEL); |
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dcplb_add(extern_memory, SDRAM_DKERNEL); |
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extern_memory += CPLB_PAGE_SIZE; |
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++i; |
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#endif |
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while (i < 16 && extern_memory < (CFG_MONITOR_BASE & CPLB_PAGE_MASK)) { |
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icplb_add(extern_memory, SDRAM_IGENERIC); |
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dcplb_add(extern_memory, SDRAM_DGENERIC); |
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extern_memory += CPLB_PAGE_SIZE; |
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++i; |
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} |
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while (i < 16) { |
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icplb_add(0, 0); |
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dcplb_add(0, 0); |
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++i; |
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} |
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} |
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/*
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@ -227,14 +248,37 @@ void init_cplbtables(void) |
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* "continue" and != 0 means "fatal error, hang the system". |
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*/ |
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extern int exception_init(void); |
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extern int irq_init(void); |
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extern int rtc_init(void); |
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extern int timer_init(void); |
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void board_init_f(ulong bootflag) |
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{ |
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ulong addr; |
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bd_t *bd; |
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int i; |
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#ifdef CONFIG_BOARD_EARLY_INIT_F |
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serial_early_puts("Board early init flash\n"); |
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board_early_init_f(); |
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#endif |
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serial_early_puts("Init CPLB tables\n"); |
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init_cplbtables(); |
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serial_early_puts("Exceptions setup\n"); |
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exception_init(); |
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#ifndef CONFIG_ICACHE_OFF |
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serial_early_puts("Turn on ICACHE\n"); |
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icache_enable(); |
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#endif |
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#ifndef CONFIG_DCACHE_OFF |
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serial_early_puts("Turn on DCACHE\n"); |
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dcache_enable(); |
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#endif |
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serial_early_puts("Init global data\n"); |
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gd = (gd_t *) (CFG_GBL_DATA_ADDR); |
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memset((void *)gd, 0, sizeof(gd_t)); |
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@ -247,41 +291,44 @@ void board_init_f(ulong bootflag) |
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gd->bd = bd; |
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memset((void *)bd, 0, sizeof(bd_t)); |
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bd->bi_r_version = version_string; |
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bd->bi_cpu = MK_STR(CONFIG_BFIN_CPU); |
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bd->bi_board_name = BFIN_BOARD_NAME; |
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bd->bi_vco = get_vco(); |
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bd->bi_cclk = get_cclk(); |
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bd->bi_sclk = get_sclk(); |
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/* Initialize */ |
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serial_early_puts("IRQ init\n"); |
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irq_init(); |
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env_init(); /* initialize environment */ |
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init_baudrate(); /* initialze baudrate settings */ |
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serial_init(); /* serial communications setup */ |
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serial_early_puts("Environment init\n"); |
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env_init(); |
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serial_early_puts("Baudrate init\n"); |
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init_baudrate(); |
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serial_early_puts("Serial init\n"); |
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serial_init(); |
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serial_early_puts("Console init flash\n"); |
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console_init_f(); |
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#ifdef CONFIG_ICACHE_ON |
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icache_enable(); |
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#endif |
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#ifdef CONFIG_DCACHE_ON |
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dcache_enable(); |
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#endif |
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display_banner(); /* say that we are here */ |
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for (i = 0; i < page_descriptor_table_size; i++) { |
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debug |
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("data (%02i)= 0x%08x : 0x%08x intr = 0x%08x : 0x%08x\n", |
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i, dcplb_table[i][0], dcplb_table[i][1], icplb_table[i][0], |
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icplb_table[i][1]); |
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} |
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serial_early_puts("End of early debugging\n"); |
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display_banner(); |
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checkboard(); |
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#if defined(CONFIG_RTC_BF533) && defined(CONFIG_CMD_DATE) |
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#if defined(CONFIG_RTC_BFIN) && defined(CONFIG_CMD_DATE) |
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|
rtc_init(); |
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#endif |
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timer_init(); |
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printf("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n", |
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get_vco() / 1000000, get_cclk() / 1000000, get_sclk() / 1000000); |
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printf("SDRAM: "); |
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printf("RAM: "); |
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print_size(initdram(0), "\n"); |
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#if defined(CONFIG_POST) |
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post_init_f(); |
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post_bootmode_init(); |
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post_run(NULL, POST_ROM | post_bootmode_get(0)); |
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#endif |
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board_init_r((gd_t *) gd, 0x20000010); |
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} |
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@ -297,11 +344,9 @@ static int init_func_i2c(void) |
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void board_init_r(gd_t * id, ulong dest_addr) |
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|
{ |
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|
ulong size; |
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extern void malloc_bin_reloc(void); |
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|
char *s, *e; |
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|
char *s; |
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|
bd_t *bd; |
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|
|
int i; |
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|
gd = id; |
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|
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
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|
bd = gd->bd; |
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|
@ -314,8 +359,10 @@ void board_init_r(gd_t * id, ulong dest_addr) |
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|
#if !defined(CFG_NO_FLASH) |
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|
|
/* There are some other pointer constants we must deal with */ |
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|
|
/* configure available FLASH banks */ |
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|
|
size = flash_init(); |
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|
|
display_flash_config(size); |
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|
|
extern flash_info_t flash_info[]; |
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|
|
ulong size = flash_init(); |
|
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|
|
puts("Flash: "); |
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|
|
print_size(size, "\n"); |
|
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|
|
flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE, |
|
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|
|
CFG_FLASH_BASE + 0x1ffff, &flash_info[0]); |
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|
|
bd->bi_flashstart = CFG_FLASH_BASE; |
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|
|
@ -340,16 +387,34 @@ void board_init_r(gd_t * id, ulong dest_addr) |
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|
|
/* relocate environment function pointers etc. */ |
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|
|
env_relocate(); |
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|
|
#ifdef CONFIG_CMD_NET |
|
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|
|
/* board MAC address */ |
|
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|
|
s = getenv("ethaddr"); |
|
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|
|
for (i = 0; i < 6; ++i) { |
|
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|
|
bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0; |
|
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|
|
if (s) |
|
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|
|
if (s == NULL) { |
|
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|
|
# ifndef CONFIG_ETHADDR |
|
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|
|
# if 0 |
|
|
|
|
if (!board_get_enetaddr(bd->bi_enetaddr)) { |
|
|
|
|
char nid[20]; |
|
|
|
|
sprintf(nid, "%02X:%02X:%02X:%02X:%02X:%02X", |
|
|
|
|
bd->bi_enetaddr[0], bd->bi_enetaddr[1], |
|
|
|
|
bd->bi_enetaddr[2], bd->bi_enetaddr[3], |
|
|
|
|
bd->bi_enetaddr[4], bd->bi_enetaddr[5]); |
|
|
|
|
setenv("ethaddr", nid); |
|
|
|
|
} |
|
|
|
|
# endif |
|
|
|
|
# endif |
|
|
|
|
} else { |
|
|
|
|
int i; |
|
|
|
|
char *e; |
|
|
|
|
for (i = 0; i < 6; ++i) { |
|
|
|
|
bd->bi_enetaddr[i] = simple_strtoul(s, &e, 16); |
|
|
|
|
s = (*e) ? e + 1 : e; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/* IP Address */ |
|
|
|
|
bd->bi_ip_addr = getenv_IPaddr("ipaddr"); |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* Initialize devices */ |
|
|
|
|
devices_init(); |
|
|
|
@ -359,16 +424,14 @@ void board_init_r(gd_t * id, ulong dest_addr) |
|
|
|
|
console_init_r(); |
|
|
|
|
|
|
|
|
|
/* Initialize from environment */ |
|
|
|
|
if ((s = getenv("loadaddr")) != NULL) { |
|
|
|
|
if ((s = getenv("loadaddr")) != NULL) |
|
|
|
|
load_addr = simple_strtoul(s, NULL, 16); |
|
|
|
|
} |
|
|
|
|
#if defined(CONFIG_CMD_NET) |
|
|
|
|
if ((s = getenv("bootfile")) != NULL) { |
|
|
|
|
#ifdef CONFIG_CMD_NET |
|
|
|
|
if ((s = getenv("bootfile")) != NULL) |
|
|
|
|
copy_filename(BootFile, s, sizeof(BootFile)); |
|
|
|
|
} |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if defined(CONFIG_CMD_NAND) |
|
|
|
|
#ifdef CONFIG_CMD_NAND |
|
|
|
|
puts("NAND: "); |
|
|
|
|
nand_init(); /* go init the NAND */ |
|
|
|
|
#endif |
|
|
|
@ -379,33 +442,19 @@ void board_init_r(gd_t * id, ulong dest_addr) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_CMD_NET |
|
|
|
|
printf("Net: "); |
|
|
|
|
eth_initialize(bd); |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_DRIVER_SMC91111 |
|
|
|
|
#ifdef SHARED_RESOURCES |
|
|
|
|
/* Switch to Ethernet */ |
|
|
|
|
swap_to(ETHERNET); |
|
|
|
|
printf("Net: "); |
|
|
|
|
eth_initialize(gd->bd); |
|
|
|
|
if (getenv("ethaddr")) |
|
|
|
|
printf("MAC: %02X:%02X:%02X:%02X:%02X:%02X\n", |
|
|
|
|
bd->bi_enetaddr[0], bd->bi_enetaddr[1], bd->bi_enetaddr[2], |
|
|
|
|
bd->bi_enetaddr[3], bd->bi_enetaddr[4], bd->bi_enetaddr[5]); |
|
|
|
|
#endif |
|
|
|
|
if ((SMC_inw(BANK_SELECT) & UPPER_BYTE_MASK) != SMC_IDENT) { |
|
|
|
|
printf("ERROR: Can't find SMC91111 at address %x\n", |
|
|
|
|
SMC_BASE_ADDRESS); |
|
|
|
|
} else { |
|
|
|
|
printf("Net: SMC91111 at 0x%08X\n", SMC_BASE_ADDRESS); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
#ifdef SHARED_RESOURCES |
|
|
|
|
swap_to(FLASH); |
|
|
|
|
#endif |
|
|
|
|
#endif |
|
|
|
|
#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C) |
|
|
|
|
init_func_i2c(); |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#ifdef DEBUG |
|
|
|
|
display_global_data(); |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if defined(CONFIG_POST) |
|
|
|
|
if (post_flag) |
|
|
|
@ -413,13 +462,16 @@ void board_init_r(gd_t * id, ulong dest_addr) |
|
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|
|
#endif |
|
|
|
|
|
|
|
|
|
/* main_loop() can return to retry autoboot, if so just run it again. */ |
|
|
|
|
for (;;) { |
|
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|
|
for (;;) |
|
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|
|
main_loop(); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
void hang(void) |
|
|
|
|
{ |
|
|
|
|
puts("### ERROR ### Please RESET the board ###\n"); |
|
|
|
|
for (;;) ; |
|
|
|
|
while (1) |
|
|
|
|
/* If a JTAG emulator is hooked up, we'll automatically trigger
|
|
|
|
|
* a breakpoint in it. If one isn't, this is just a NOP. |
|
|
|
|
*/ |
|
|
|
|
asm("emuexcpt;"); |
|
|
|
|
} |
|
|
|
|