summaryrefslogtreecommitdiffstats
path: root/lib_blackfin/board.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib_blackfin/board.c')
-rw-r--r--lib_blackfin/board.c238
1 files changed, 203 insertions, 35 deletions
diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c
index d9dc2b6d0c..1a0a2826c0 100644
--- a/lib_blackfin/board.c
+++ b/lib_blackfin/board.c
@@ -32,21 +32,69 @@
#include <version.h>
#include <net.h>
#include <environment.h>
+#include <i2c.h>
#include "blackfin_board.h"
+#include <asm/cplb.h>
#include "../drivers/smc91111.h"
-DECLARE_GLOBAL_DATA_PTR;
+#if defined(CONFIG_BF537)&&defined(CONFIG_POST)
+#include <post.h>
+int post_flag;
+#endif
+#ifndef CFG_NO_FLASH
extern flash_info_t flash_info[];
+#endif
+
+static inline u_long get_vco(void)
+{
+ u_long msel;
+ u_long vco;
+ msel = (*pPLL_CTL >> 9) & 0x3F;
+ if (0 == msel)
+ msel = 64;
+
+ vco = CONFIG_CLKIN_HZ;
+ vco >>= (1 & *pPLL_CTL); /* DF bit */
+ vco = msel * vco;
+ return vco;
+}
+
+/*Get the Core clock*/
+u_long get_cclk(void)
+{
+ u_long csel, ssel;
+ if (*pPLL_STAT & 0x1)
+ return CONFIG_CLKIN_HZ;
+
+ ssel = *pPLL_DIV;
+ csel = ((ssel >> 4) & 0x03);
+ ssel &= 0xf;
+ if (ssel && ssel < (1 << csel)) /* SCLK > CCLK */
+ return get_vco() / ssel;
+ return get_vco() >> csel;
+}
+
+/* Get the System clock */
+u_long get_sclk(void)
+{
+ u_long ssel;
+
+ if (*pPLL_STAT & 0x1)
+ return CONFIG_CLKIN_HZ;
+
+ ssel = (*pPLL_DIV & 0xf);
+
+ return get_vco() / ssel;
+}
static void mem_malloc_init(void)
{
mem_malloc_start = CFG_MALLOC_BASE;
mem_malloc_end = (CFG_MALLOC_BASE + CFG_MALLOC_LEN);
mem_malloc_brk = mem_malloc_start;
- memset((void *) mem_malloc_start, 0,
- mem_malloc_end - mem_malloc_start);
+ memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
}
void *sbrk(ptrdiff_t increment)
@@ -59,7 +107,7 @@ void *sbrk(ptrdiff_t increment)
}
mem_malloc_brk = new;
- return ((void *) old);
+ return ((void *)old);
}
static int display_banner(void)
@@ -78,17 +126,20 @@ static void display_flash_config(ulong size)
static int init_baudrate(void)
{
- uchar tmp[64];
+ DECLARE_GLOBAL_DATA_PTR;
+
+ char tmp[64];
int i = getenv_r("baudrate", tmp, sizeof(tmp));
gd->bd->bi_baudrate = gd->baudrate = (i > 0)
- ? (int) simple_strtoul(tmp, NULL, 10)
- : CONFIG_BAUDRATE;
+ ? (int)simple_strtoul(tmp, NULL, 10)
+ : CONFIG_BAUDRATE;
return (0);
}
#ifdef DEBUG
static void display_global_data(void)
{
+ DECLARE_GLOBAL_DATA_PTR;
bd_t *bd;
bd = gd->bd;
printf("--flags:%x\n", gd->flags);
@@ -103,12 +154,10 @@ static void display_global_data(void)
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]);
+ 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);
@@ -120,6 +169,71 @@ static void display_global_data(void)
}
#endif
+/* we cover everything with 4 meg pages, and need an extra for L1 */
+unsigned int icplb_table[page_descriptor_table_size][2];
+unsigned int dcplb_table[page_descriptor_table_size][2];
+
+void init_cplbtables(void)
+{
+ int i, j;
+
+ j = 0;
+ icplb_table[j][0] = 0xFFA00000;
+ icplb_table[j][1] = L1_IMEMORY;
+ j++;
+
+ for (i = 0; i <= CONFIG_MEM_SIZE / 4; i++) {
+ icplb_table[j][0] = (i * 4 * 1024 * 1024);
+ if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
+ && (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
+ icplb_table[j][1] = SDRAM_IKERNEL;
+ } else {
+ icplb_table[j][1] = SDRAM_IGENERIC;
+ }
+ j++;
+ }
+#if defined(CONFIG_BF561)
+ /* Async Memory space */
+ for (i = 0; i < 3; i++) {
+ icplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
+ icplb_table[j++][1] = SDRAM_IGENERIC;
+ }
+#else
+ icplb_table[j][0] = 0x20000000;
+ icplb_table[j][1] = SDRAM_IGENERIC;
+#endif
+ j = 0;
+ dcplb_table[j][0] = 0xFF800000;
+ dcplb_table[j][1] = L1_DMEMORY;
+ j++;
+
+ for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) {
+ dcplb_table[j][0] = (i * 4 * 1024 * 1024);
+ if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
+ && (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
+ dcplb_table[j][1] = SDRAM_DKERNEL;
+ } else {
+ dcplb_table[j][1] = SDRAM_DGENERIC;
+ }
+ j++;
+ }
+
+#if defined(CONFIG_BF561)
+ /* MAC space */
+ dcplb_table[j++][0] = CONFIG_ASYNC_EBIU_BASE;
+ dcplb_table[j++][1] = SDRAM_EBIU;
+
+ /* Flash space */
+ for (i = 0; i < 2; i++) {
+ dcplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
+ dcplb_table[j++][1] = SDRAM_EBIU;
+ }
+#else
+ dcplb_table[j][0] = 0x20000000;
+ dcplb_table[j][1] = SDRAM_EBIU;
+#endif
+}
+
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
@@ -135,20 +249,24 @@ static void display_global_data(void)
void board_init_f(ulong bootflag)
{
+ DECLARE_GLOBAL_DATA_PTR;
ulong addr;
bd_t *bd;
+ int i;
+
+ init_cplbtables();
gd = (gd_t *) (CFG_GBL_DATA_ADDR);
- memset((void *) gd, 0, sizeof(gd_t));
+ memset((void *)gd, 0, sizeof(gd_t));
/* Board data initialization */
addr = (CFG_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));
/* Initialize */
init_IRQ();
@@ -156,21 +274,51 @@ void board_init_f(ulong bootflag)
init_baudrate(); /* initialze baudrate settings */
serial_init(); /* serial communications setup */
console_init_f();
+#ifdef CONFIG_ICACHE_ON
+ icache_enable();
+#endif
+#ifdef CONFIG_DCACHE_ON
+ dcache_enable();
+#endif
display_banner(); /* say that we are here */
+
+ for (i = 0; i < page_descriptor_table_size; i++) {
+ debug
+ ("data (%02i)= 0x%08x : 0x%08x intr = 0x%08x : 0x%08x\n",
+ i, dcplb_table[i][0], dcplb_table[i][1], icplb_table[i][0],
+ icplb_table[i][1]);
+ }
+
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("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n",
+ get_vco() / 1000000, get_cclk() / 1000000, get_sclk() / 1000000);
printf("SDRAM: ");
print_size(initdram(0), "\n");
+#if defined(CONFIG_BF537)&&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);
}
+#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
+static int init_func_i2c(void)
+{
+ puts("I2C: ");
+ i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
+ puts("ready\n");
+ return (0);
+}
+#endif
+
void board_init_r(gd_t * id, ulong dest_addr)
{
+ DECLARE_GLOBAL_DATA_PTR;
ulong size;
extern void malloc_bin_reloc(void);
char *s, *e;
@@ -180,12 +328,18 @@ void board_init_r(gd_t * id, ulong dest_addr)
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bd = gd->bd;
-#if CONFIG_STAMP
+#if defined(CONFIG_BF537) && defined(CONFIG_POST)
+ post_output_backlog();
+ post_reloc();
+#endif
+
+#if (CONFIG_STAMP || CONFIG_BF537 || CONFIG_EZKIT561) && !defined(CFG_NO_FLASH)
/* 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]);
+ flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE,
+ CFG_FLASH_BASE + 0x1ffff, &flash_info[0]);
bd->bi_flashstart = CFG_FLASH_BASE;
bd->bi_flashsize = size;
bd->bi_flashoffset = 0;
@@ -198,6 +352,13 @@ void board_init_r(gd_t * id, ulong dest_addr)
mem_malloc_init();
malloc_bin_reloc();
+#ifdef CONFIG_SPI
+# if ! defined(CFG_ENV_IS_IN_EEPROM)
+ spi_init_f();
+# endif
+ spi_init_r();
+#endif
+
/* relocate environment function pointers etc. */
env_relocate();
@@ -228,18 +389,30 @@ void board_init_r(gd_t * id, ulong dest_addr)
copy_filename(BootFile, s, sizeof(BootFile));
}
#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+ puts("NAND: ");
+ nand_init(); /* go init the NAND */
+#endif
+
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
+#if ((BFIN_CPU == ADSP_BF537) || (BFIN_CPU == ADSP_BF536))
+ printf("Net: ");
+ eth_initialize(bd);
+#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);
+ 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);
}
@@ -248,12 +421,17 @@ void board_init_r(gd_t * id, ulong dest_addr)
swap_to(FLASH);
#endif
#endif
-#ifdef CONFIG_SOFT_I2C
+#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
init_func_i2c();
#endif
#ifdef DEBUG
- display_global_data(void);
+ display_global_data();
+#endif
+
+#if defined(CONFIG_BF537) && 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. */
@@ -262,18 +440,8 @@ void board_init_r(gd_t * id, ulong dest_addr)
}
}
-#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);
-}
-#endif
-
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
- for (;;);
+ for (;;) ;
}
generated by cgit (git 2.34.1) at 2024-11-19 22:25:40 +0000