/*
* U-boot - board.c First C file to be called contains init routines
*
- * Copyright (c) 2005 blackfin.uclinux.org
+ * Copyright (c) 2005-2008 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * 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
+ * Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <command.h>
+#include <stdio_dev.h>
+#include <environment.h>
#include <malloc.h>
-#include <devices.h>
-#include <version.h>
#include <net.h>
-#include <environment.h>
-#include "blackfin_board.h"
-#include "../drivers/smc91111.h"
+#include <timestamp.h>
+#include <status_led.h>
+#include <version.h>
+
+#include <asm/cplb.h>
+#include <asm/mach-common/bits/mpu.h>
+
+#ifdef CONFIG_CMD_NAND
+#include <nand.h> /* cannot even include nand.h if it isnt configured */
+#endif
+
+#if defined(CONFIG_POST)
+#include <post.h>
+int post_flag;
+#endif
DECLARE_GLOBAL_DATA_PTR;
-extern flash_info_t flash_info[];
+const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")";
+__attribute__((always_inline))
+static inline void serial_early_puts(const char *s)
+{
+#ifdef CONFIG_DEBUG_EARLY_SERIAL
+ serial_puts("Early: ");
+ serial_puts(s);
+#endif
+}
+
+static void *mem_malloc_start, *mem_malloc_end, *mem_malloc_brk;
static void mem_malloc_init(void)
{
- mem_malloc_start = CFG_MALLOC_BASE;
- mem_malloc_end = (CFG_MALLOC_BASE + CFG_MALLOC_LEN);
+ mem_malloc_start = (void *)CONFIG_SYS_MALLOC_BASE;
+ mem_malloc_end = (void *)(CONFIG_SYS_MALLOC_BASE + CONFIG_SYS_MALLOC_LEN);
mem_malloc_brk = mem_malloc_start;
- memset((void *) mem_malloc_start, 0,
- mem_malloc_end - mem_malloc_start);
+ memset(mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
}
void *sbrk(ptrdiff_t increment)
{
- ulong old = mem_malloc_brk;
- ulong new = old + increment;
+ void *old = mem_malloc_brk;
+ void *new = old + increment;
+
+ if (new < mem_malloc_start || new > mem_malloc_end)
+ return NULL;
- if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
- return (NULL);
- }
mem_malloc_brk = new;
- return ((void *) old);
+ return old;
}
static int display_banner(void)
{
- sprintf(version_string, VERSION_STRING_FORMAT, VERSION_STRING);
- printf("%s\n", version_string);
- return (0);
-}
-
-static void display_flash_config(ulong size)
-{
- puts("FLASH: ");
- print_size(size, "\n");
- return;
+ printf("\n\n%s\n\n", version_string);
+ printf("CPU: ADSP " MK_STR(CONFIG_BFIN_CPU) " "
+ "(Detected Rev: 0.%d) "
+ "(%s boot)\n",
+ bfin_revid(),
+ get_bfin_boot_mode(CONFIG_BFIN_BOOT_MODE));
+ return 0;
}
static int init_baudrate(void)
{
- uchar tmp[64];
- int i = getenv_r("baudrate", tmp, sizeof(tmp));
+ char baudrate[15];
+ int i = getenv_r("baudrate", baudrate, sizeof(baudrate));
gd->bd->bi_baudrate = gd->baudrate = (i > 0)
- ? (int) simple_strtoul(tmp, NULL, 10)
- : CONFIG_BAUDRATE;
- return (0);
+ ? simple_strtoul(baudrate, NULL, 10)
+ : CONFIG_BAUDRATE;
+ return 0;
}
-#ifdef DEBUG
static void display_global_data(void)
{
+#ifdef CONFIG_DEBUG_EARLY_SERIAL
bd_t *bd;
bd = gd->bd;
- printf("--flags:%x\n", gd->flags);
- printf("--board_type:%x\n", gd->board_type);
- printf("--baudrate:%x\n", gd->baudrate);
- printf("--have_console:%x\n", gd->have_console);
- printf("--ram_size:%x\n", gd->ram_size);
- printf("--reloc_off:%x\n", gd->reloc_off);
- printf("--env_addr:%x\n", gd->env_addr);
- printf("--env_valid:%x\n", gd->env_valid);
- printf("--bd:%x %x\n", gd->bd, bd);
- printf("---bi_baudrate:%x\n", bd->bi_baudrate);
- printf("---bi_ip_addr:%x\n", bd->bi_ip_addr);
- printf("---bi_enetaddr:%x %x %x %x %x %x\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]);
- printf("---bi_arch_number:%x\n", bd->bi_arch_number);
- printf("---bi_boot_params:%x\n", bd->bi_boot_params);
- printf("---bi_memstart:%x\n", bd->bi_memstart);
- printf("---bi_memsize:%x\n", bd->bi_memsize);
- printf("---bi_flashstart:%x\n", bd->bi_flashstart);
- printf("---bi_flashsize:%x\n", bd->bi_flashsize);
- printf("---bi_flashoffset:%x\n", bd->bi_flashoffset);
- printf("--jt:%x *:%x\n", gd->jt, *(gd->jt));
+ printf(" gd: %x\n", gd);
+ printf(" |-flags: %x\n", gd->flags);
+ printf(" |-board_type: %x\n", gd->board_type);
+ printf(" |-baudrate: %i\n", gd->baudrate);
+ printf(" |-have_console: %x\n", gd->have_console);
+ printf(" |-ram_size: %x\n", gd->ram_size);
+ printf(" |-reloc_off: %x\n", gd->reloc_off);
+ printf(" |-env_addr: %x\n", gd->env_addr);
+ printf(" |-env_valid: %x\n", gd->env_valid);
+ printf(" |-jt(%x): %x\n", gd->jt, *(gd->jt));
+ printf(" \\-bd: %x\n", gd->bd);
+ printf(" |-bi_baudrate: %x\n", bd->bi_baudrate);
+ printf(" |-bi_ip_addr: %x\n", bd->bi_ip_addr);
+ printf(" |-bi_boot_params: %x\n", bd->bi_boot_params);
+ printf(" |-bi_memstart: %x\n", bd->bi_memstart);
+ printf(" |-bi_memsize: %x\n", bd->bi_memsize);
+ printf(" |-bi_flashstart: %x\n", bd->bi_flashstart);
+ printf(" |-bi_flashsize: %x\n", bd->bi_flashsize);
+ printf(" \\-bi_flashoffset: %x\n", bd->bi_flashoffset);
+#endif
}
+
+#define CPLB_PAGE_SIZE (4 * 1024 * 1024)
+#define CPLB_PAGE_MASK (~(CPLB_PAGE_SIZE - 1))
+void init_cplbtables(void)
+{
+ volatile uint32_t *ICPLB_ADDR, *ICPLB_DATA;
+ volatile uint32_t *DCPLB_ADDR, *DCPLB_DATA;
+ uint32_t extern_memory;
+ size_t i;
+
+ void icplb_add(uint32_t addr, uint32_t data)
+ {
+ *(ICPLB_ADDR + i) = addr;
+ *(ICPLB_DATA + i) = data;
+ }
+ void dcplb_add(uint32_t addr, uint32_t data)
+ {
+ *(DCPLB_ADDR + i) = addr;
+ *(DCPLB_DATA + i) = data;
+ }
+
+ /* populate a few common entries ... we'll let
+ * the memory map and cplb exception handler do
+ * the rest of the work.
+ */
+ i = 0;
+ ICPLB_ADDR = (uint32_t *)ICPLB_ADDR0;
+ ICPLB_DATA = (uint32_t *)ICPLB_DATA0;
+ DCPLB_ADDR = (uint32_t *)DCPLB_ADDR0;
+ DCPLB_DATA = (uint32_t *)DCPLB_DATA0;
+
+ icplb_add(0xFFA00000, L1_IMEMORY);
+ dcplb_add(0xFF800000, L1_DMEMORY);
+ ++i;
+
+ icplb_add(CONFIG_SYS_MONITOR_BASE & CPLB_PAGE_MASK, SDRAM_IKERNEL);
+ dcplb_add(CONFIG_SYS_MONITOR_BASE & CPLB_PAGE_MASK, SDRAM_DKERNEL);
+ ++i;
+
+ /* If the monitor crosses a 4 meg boundary, we'll need
+ * to lock two entries for it.
+ */
+ if ((CONFIG_SYS_MONITOR_BASE & CPLB_PAGE_MASK) != ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) & CPLB_PAGE_MASK)) {
+ icplb_add((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) & CPLB_PAGE_MASK, SDRAM_IKERNEL);
+ dcplb_add((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) & CPLB_PAGE_MASK, SDRAM_DKERNEL);
+ ++i;
+ }
+
+ icplb_add(0x20000000, SDRAM_INON_CHBL);
+ dcplb_add(0x20000000, SDRAM_EBIU);
+ ++i;
+
+ /* Add entries for the rest of external RAM up to the bootrom */
+ extern_memory = 0;
+
+#ifdef CONFIG_DEBUG_NULL_PTR
+ icplb_add(extern_memory, (SDRAM_IKERNEL & ~PAGE_SIZE_MASK) | PAGE_SIZE_1KB);
+ dcplb_add(extern_memory, (SDRAM_DKERNEL & ~PAGE_SIZE_MASK) | PAGE_SIZE_1KB);
+ ++i;
+ icplb_add(extern_memory, SDRAM_IKERNEL);
+ dcplb_add(extern_memory, SDRAM_DKERNEL);
+ extern_memory += CPLB_PAGE_SIZE;
+ ++i;
#endif
+ while (i < 16 && extern_memory < (CONFIG_SYS_MONITOR_BASE & CPLB_PAGE_MASK)) {
+ icplb_add(extern_memory, SDRAM_IGENERIC);
+ dcplb_add(extern_memory, SDRAM_DGENERIC);
+ extern_memory += CPLB_PAGE_SIZE;
+ ++i;
+ }
+ while (i < 16) {
+ icplb_add(0, 0);
+ dcplb_add(0, 0);
+ ++i;
+ }
+}
+
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
* "continue" and != 0 means "fatal error, hang the system".
*/
+extern int exception_init(void);
+extern int irq_init(void);
+extern int timer_init(void);
+
void board_init_f(ulong bootflag)
{
ulong addr;
bd_t *bd;
+ char buf[32];
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+ serial_early_puts("Board early init flash\n");
+ board_early_init_f();
+#endif
- gd = (gd_t *) (CFG_GBL_DATA_ADDR);
- memset((void *) gd, 0, sizeof(gd_t));
+ serial_early_puts("Init CPLB tables\n");
+ init_cplbtables();
+
+ serial_early_puts("Exceptions setup\n");
+ exception_init();
+
+#ifndef CONFIG_ICACHE_OFF
+ serial_early_puts("Turn on ICACHE\n");
+ icache_enable();
+#endif
+#ifndef CONFIG_DCACHE_OFF
+ serial_early_puts("Turn on DCACHE\n");
+ dcache_enable();
+#endif
+
+#ifdef DEBUG
+ if (CONFIG_SYS_GBL_DATA_SIZE < sizeof(*gd))
+ hang();
+#endif
+ serial_early_puts("Init global data\n");
+ gd = (gd_t *) (CONFIG_SYS_GBL_DATA_ADDR);
+ memset((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE);
/* Board data initialization */
- addr = (CFG_GBL_DATA_ADDR + sizeof(gd_t));
+ addr = (CONFIG_SYS_GBL_DATA_ADDR + sizeof(gd_t));
/* Align to 4 byte boundary */
addr &= ~(4 - 1);
- bd = (bd_t*)addr;
+ bd = (bd_t *) addr;
gd->bd = bd;
- memset((void *) bd, 0, sizeof(bd_t));
+ memset((void *)bd, 0, sizeof(bd_t));
+
+ bd->bi_r_version = version_string;
+ bd->bi_cpu = MK_STR(CONFIG_BFIN_CPU);
+ bd->bi_board_name = BFIN_BOARD_NAME;
+ bd->bi_vco = get_vco();
+ bd->bi_cclk = get_cclk();
+ bd->bi_sclk = get_sclk();
/* Initialize */
- init_IRQ();
- env_init(); /* initialize environment */
- init_baudrate(); /* initialze baudrate settings */
- serial_init(); /* serial communications setup */
+ serial_early_puts("IRQ init\n");
+ irq_init();
+ serial_early_puts("Environment init\n");
+ env_init();
+ serial_early_puts("Baudrate init\n");
+ init_baudrate();
+ serial_early_puts("Serial init\n");
+ serial_init();
+ serial_early_puts("Console init flash\n");
console_init_f();
- display_banner(); /* say that we are here */
+ serial_early_puts("End of early debugging\n");
+ display_banner();
+
checkboard();
-#if defined(CONFIG_RTC_BF533) && (CONFIG_COMMANDS & CFG_CMD_DATE)
- rtc_init();
-#endif
timer_init();
- printf("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n", \
- CONFIG_VCO_HZ/1000000, CONFIG_CCLK_HZ/1000000, CONFIG_SCLK_HZ/1000000);
- printf("SDRAM: ");
+
+ printf("Clock: VCO: %s MHz, ", strmhz(buf, get_vco()));
+ printf("Core: %s MHz, ", strmhz(buf, get_cclk()));
+ printf("System: %s MHz\n", strmhz(buf, get_sclk()));
+
+ printf("RAM: ");
print_size(initdram(0), "\n");
+#if defined(CONFIG_POST)
+ post_init_f();
+ post_bootmode_init();
+ post_run(NULL, POST_ROM | post_bootmode_get(0));
+#endif
+
board_init_r((gd_t *) gd, 0x20000010);
}
+static void board_net_init_r(bd_t *bd)
+{
+#ifdef CONFIG_CMD_NET
+ uchar enetaddr[6];
+ char *s;
+
+ if ((s = getenv("bootfile")) != NULL)
+ copy_filename(BootFile, s, sizeof(BootFile));
+
+ bd->bi_ip_addr = getenv_IPaddr("ipaddr");
+
+ printf("Net: ");
+ eth_initialize(gd->bd);
+
+ eth_getenv_enetaddr("ethaddr", enetaddr);
+ printf("MAC: %pM\n", enetaddr);
+#endif
+}
+
void board_init_r(gd_t * id, ulong dest_addr)
{
- ulong size;
extern void malloc_bin_reloc(void);
- char *s, *e;
+ char *s;
bd_t *bd;
- int i;
gd = id;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bd = gd->bd;
-#if CONFIG_STAMP
- /* There are some other pointer constants we must deal with */
- /* configure available FLASH banks */
- size = flash_init();
- display_flash_config(size);
- flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE, CFG_FLASH_BASE + 0x1ffff, &flash_info[0]);
- bd->bi_flashstart = CFG_FLASH_BASE;
+#if defined(CONFIG_POST)
+ post_output_backlog();
+ post_reloc();
+#endif
+
+ /* initialize malloc() area */
+ mem_malloc_init();
+ malloc_bin_reloc();
+
+#if !defined(CONFIG_SYS_NO_FLASH)
+ /* Initialize the flash and protect u-boot by default */
+ extern flash_info_t flash_info[];
+ puts("Flash: ");
+ ulong size = flash_init();
+ print_size(size, "\n");
+ flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_FLASH_BASE,
+ CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN - 1,
+ &flash_info[0]);
+ bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
bd->bi_flashsize = size;
bd->bi_flashoffset = 0;
#else
bd->bi_flashsize = 0;
bd->bi_flashoffset = 0;
#endif
- /* initialize malloc() area */
- mem_malloc_init();
- malloc_bin_reloc();
+
+#ifdef CONFIG_CMD_NAND
+ puts("NAND: ");
+ nand_init(); /* go init the NAND */
+#endif
/* relocate environment function pointers etc. */
env_relocate();
- /* board MAC address */
- s = getenv("ethaddr");
- for (i = 0; i < 6; ++i) {
- bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
- if (s)
- s = (*e) ? e + 1 : e;
- }
-
- /* IP Address */
- bd->bi_ip_addr = getenv_IPaddr("ipaddr");
-
- /* Initialize devices */
- devices_init();
+ /* Initialize stdio devices */
+ stdio_init();
jumptable_init();
/* Initialize the console (after the relocation and devices init) */
console_init_r();
+#ifdef CONFIG_STATUS_LED
+ status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
+ status_led_set(STATUS_LED_CRASH, STATUS_LED_OFF);
+#endif
+
/* Initialize from environment */
- if ((s = getenv("loadaddr")) != NULL) {
+ if ((s = getenv("loadaddr")) != NULL)
load_addr = simple_strtoul(s, NULL, 16);
- }
-#if (CONFIG_COMMANDS & CFG_CMD_NET)
- if ((s = getenv("bootfile")) != NULL) {
- copy_filename(BootFile, s, sizeof(BootFile));
- }
-#endif
+
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
-#ifdef CONFIG_DRIVER_SMC91111
-#ifdef SHARED_RESOURCES
- /* Switch to Ethernet */
- swap_to(ETHERNET);
-#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);
- }
+ board_net_init_r(bd);
-#ifdef SHARED_RESOURCES
- swap_to(FLASH);
-#endif
-#endif
-#ifdef CONFIG_SOFT_I2C
- init_func_i2c();
-#endif
+ display_global_data();
-#ifdef DEBUG
- display_global_data(void);
+#if defined(CONFIG_POST)
+ if (post_flag)
+ post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
- /* main_loop() can return to retry autoboot, if so just run it again. */
- for (;;) {
- main_loop();
+ if (bfin_os_log_check()) {
+ puts("\nLog buffer from operating system:\n");
+ bfin_os_log_dump();
+ puts("\n");
}
-}
-#ifdef CONFIG_SOFT_I2C
-static int init_func_i2c (void)
-{
- puts ("I2C: ");
- i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
- puts ("ready\n");
- return (0);
+ /* main_loop() can return to retry autoboot, if so just run it again. */
+ for (;;)
+ main_loop();
}
-#endif
void hang(void)
{
+#ifdef CONFIG_STATUS_LED
+ status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF);
+ status_led_set(STATUS_LED_CRASH, STATUS_LED_BLINKING);
+#endif
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;");
}
projects / karo-tx-uboot.git / blobdiff