#include <common.h>
#include <command.h>
#include <malloc.h>
-#include <devices.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>
DECLARE_GLOBAL_DATA_PTR;
const char version_string[] =
- U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ") " CONFIG_IDENT_STRING;
+ U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME") " CONFIG_IDENT_STRING;
unsigned long monitor_flash_len;
-/*
- * Begin and end of memory area for malloc(), and current "brk"
- */
-static unsigned long mem_malloc_start = 0;
-static unsigned long mem_malloc_end = 0;
-static unsigned long mem_malloc_brk = 0;
+/* 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>
-/* The malloc area is right below the monitor image in RAM */
-static void mem_malloc_init(void)
+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 = CFG_MONITOR_BASE + gd->reloc_off;
- mem_malloc_end = monitor_addr;
- mem_malloc_start = mem_malloc_end - CFG_MALLOC_LEN;
- mem_malloc_brk = mem_malloc_start;
+ 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("malloc: Using memory from 0x%08lx to 0x%08lx\n",
- mem_malloc_start, mem_malloc_end);
+ printf("DMA: Using memory from 0x%08lx to 0x%08lx\n",
+ dma_alloc_start, dma_alloc_end);
- memset ((void *)mem_malloc_start, 0,
- mem_malloc_end - mem_malloc_start);
+ dcache_invalidate_range(cached(dma_alloc_start),
+ dma_alloc_end - dma_alloc_start);
}
-void *sbrk(ptrdiff_t increment)
+void *dma_alloc_coherent(size_t len, unsigned long *handle)
{
- unsigned long old = mem_malloc_brk;
- unsigned long new = old + increment;
+ unsigned long paddr = dma_alloc_brk;
- if ((new < mem_malloc_start) || (new > mem_malloc_end))
+ if (dma_alloc_brk + len > dma_alloc_end)
return NULL;
- mem_malloc_brk = new;
- return ((void *)old);
+ 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)
{
printf("at address 0x%08lx\n", gd->bd->bi_flashstart);
}
-void board_init_f(ulong unused)
+void board_init_f(ulong board_type)
{
gd_t gd_data;
gd_t *new_gd;
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));
/* Perform initialization sequence */
board_early_init_f();
cpu_init();
+ board_postclk_init();
env_init();
init_baudrate();
serial_init();
console_init_f();
display_banner();
- board_init_memories();
+ sdram_size = initdram(board_type);
/* If we have no SDRAM, we can't go on */
- if (!gd->sdram_size)
+ if (sdram_size <= 0)
panic("No working SDRAM available\n");
/*
* - global data struct
* - stack
*/
- addr = CFG_SDRAM_BASE + gd->sdram_size;
+ addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
monitor_len = _end - _text;
/*
monitor_addr = addr;
/* Reserve memory for malloc() */
- addr -= CFG_MALLOC_LEN;
+ 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);
* Initialize the board information struct with the
* information we have.
*/
- bd->bi_dram[0].start = CFG_SDRAM_BASE;
- bd->bi_dram[0].size = gd->sdram_size;
+ 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));
void board_init_r(gd_t *new_gd, ulong dest_addr)
{
extern void malloc_bin_reloc (void);
-#ifndef CFG_ENV_IS_NOWHERE
+#ifndef CONFIG_ENV_IS_NOWHERE
extern char * env_name_spec;
#endif
+ char *s;
cmd_tbl_t *cmdtp;
bd_t *bd;
bd = gd->bd;
gd->flags |= GD_FLG_RELOC;
- gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
+ gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
+
+ board_early_init_r();
monitor_flash_len = _edata - _text;
addr = (unsigned long)cmdtp->usage + gd->reloc_off;
cmdtp->usage = (typeof(cmdtp->usage))addr;
}
-#ifdef CFG_LONGHELP
+#ifdef CONFIG_SYS_LONGHELP
if (cmdtp->help) {
addr = (unsigned long)cmdtp->help + gd->reloc_off;
cmdtp->help = (typeof(cmdtp->help))addr;
}
/* there are some other pointer constants we must deal with */
-#ifndef CFG_ENV_IS_NOWHERE
+#ifndef CONFIG_ENV_IS_NOWHERE
env_name_spec += gd->reloc_off;
#endif
timer_init();
- mem_malloc_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();
- board_init_info();
- flash_init();
+ 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(CFG_BOOTPARAMS_LEN);
+ 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();
- devices_init();
+ 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();
}