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author | Aubrey.Li <aubrey.adi@gmail.com> | 2007-03-09 13:38:44 +0800 |
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committer | Aubrey.Li <aubrey.adi@gmail.com> | 2007-03-09 13:38:44 +0800 |
commit | 3f0606ad0b5639f7f22848fe5b4574e754d0470f (patch) | |
tree | 3cb4fd316134b6a176607ad61739720aeb971a5a /lib_blackfin/board.c | |
parent | eb92f613556800f7483666db09d9a237ad911d4a (diff) | |
download | bootable_bootloader_goldelico_gta04-3f0606ad0b5639f7f22848fe5b4574e754d0470f.zip bootable_bootloader_goldelico_gta04-3f0606ad0b5639f7f22848fe5b4574e754d0470f.tar.gz bootable_bootloader_goldelico_gta04-3f0606ad0b5639f7f22848fe5b4574e754d0470f.tar.bz2 |
[Blackfin]PATCH-1/2]: Remove obsolete blackfin port and add bf533 platform support
Diffstat (limited to 'lib_blackfin/board.c')
-rw-r--r-- | lib_blackfin/board.c | 248 |
1 files changed, 213 insertions, 35 deletions
diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c index d9dc2b6..7c6a1e9 100644 --- a/lib_blackfin/board.c +++ b/lib_blackfin/board.c @@ -32,21 +32,79 @@ #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 +#ifdef DEBUG +#define pr_debug(fmt,arg...) printf(fmt,##arg) +#else +static inline int + __attribute__ ((format(printf, 1, 2))) pr_debug(const char *fmt, ...) +{ + return 0; +} +#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 +117,7 @@ void *sbrk(ptrdiff_t increment) } mem_malloc_brk = new; - return ((void *) old); + return ((void *)old); } static int display_banner(void) @@ -78,17 +136,20 @@ 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 +164,10 @@ 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 +179,71 @@ 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 +259,24 @@ 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 +284,51 @@ 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++) { + pr_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 +338,18 @@ 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 +362,13 @@ 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 +399,30 @@ 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 +431,17 @@ 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 +450,8 @@ 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 (;;) ; } |