diff options
Diffstat (limited to 'board/BuS/eb_cpu5282/eb_cpu5282.c')
| -rw-r--r-- | board/BuS/eb_cpu5282/eb_cpu5282.c | 110 |
1 files changed, 78 insertions, 32 deletions
diff --git a/board/BuS/eb_cpu5282/eb_cpu5282.c b/board/BuS/eb_cpu5282/eb_cpu5282.c index d64ad1b705..f73431eff5 100644 --- a/board/BuS/eb_cpu5282/eb_cpu5282.c +++ b/board/BuS/eb_cpu5282/eb_cpu5282.c @@ -35,18 +35,19 @@ DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_VIDEO unsigned long display_width; unsigned long display_height; +#endif /*---------------------------------------------------------------------------*/ int checkboard (void) { - puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n"); + puts("Board: EB+CPU5282 (BuS Elektronik GmbH & Co. KG)\n"); #if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) - puts (" Boot from Internal FLASH\n"); + puts(" Boot from Internal FLASH\n"); #endif - return 0; } @@ -55,29 +56,39 @@ phys_size_t initdram (int board_type) int size, i; size = 0; - MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 - | MCFSDRAMC_DCR_RC ((15 * CONFIG_SYS_CLK) >> 4); + MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 | + MCFSDRAMC_DCR_RC((15 * CONFIG_SYS_CLK / 1000000) >> 4); + asm (" nop"); #ifdef CONFIG_SYS_SDRAM_BASE0 - - MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE0) - | MCFSDRAMC_DACR_CASL (1) - | MCFSDRAMC_DACR_CBM (3) - | MCFSDRAMC_DACR_PS_16; + MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE(CONFIG_SYS_SDRAM_BASE0)| + MCFSDRAMC_DACR_CASL(1) | MCFSDRAMC_DACR_CBM(3) | + MCFSDRAMC_DACR_PS_32; + asm (" nop"); MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; + asm (" nop"); MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP; + asm (" nop"); + for (i = 0; i < 10; i++) + asm (" nop"); - *(unsigned short *) (CONFIG_SYS_SDRAM_BASE0) = 0xA5A5; + *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0) = 0xA5A5A5A5; + asm (" nop"); MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE; + asm (" nop"); + for (i = 0; i < 2000; i++) asm (" nop"); - mbar_writeLong (MCFSDRAMC_DACR0, - mbar_readLong (MCFSDRAMC_DACR0) | MCFSDRAMC_DACR_IMRS); - *(unsigned int *) (CONFIG_SYS_SDRAM_BASE0 + 0x220) = 0xA5A5; - size += CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; + + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IMRS; + asm (" nop"); + /* write SDRAM mode register */ + *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0 + 0x80440) = 0xA5A5A5A5; + asm (" nop"); + size += CONFIG_SYS_SDRAM_SIZE0 * 1024 * 1024; #endif -#ifdef CONFIG_SYS_SDRAM_BASE1 +#ifdef CONFIG_SYS_SDRAM_BASE1xx MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1) | MCFSDRAMC_DACR_CASL (1) | MCFSDRAMC_DACR_CBM (3) @@ -134,38 +145,74 @@ int testdram (void) } #endif +#if defined(CONFIG_HW_WATCHDOG) + +void hw_watchdog_init(void) +{ + char *s; + int enable; + + enable = 1; + s = getenv("watchdog"); + if (s != NULL) + if ((strncmp(s, "off", 3) == 0) || (strncmp(s, "0", 1) == 0)) + enable = 0; + if (enable) + MCFGPTA_GPTDDR |= (1<<2); + else + MCFGPTA_GPTDDR &= ~(1<<2); +} + +void hw_watchdog_reset(void) +{ + MCFGPTA_GPTPORT ^= (1<<2); +} +#endif + int misc_init_r(void) { #ifdef CONFIG_HW_WATCHDOG hw_watchdog_init(); #endif -#ifndef CONFIG_VIDEO - vcxk_init(16, 16); -#endif return 1; } -#if defined(CONFIG_VIDEO) +void __led_toggle(led_id_t mask) +{ + MCFGPTA_GPTPORT ^= (1 << 3); +} -/* - ****h* EB+CPU5282-T1/drv_video_init - * FUNCTION - *** - */ +void __led_init(led_id_t mask, int state) +{ + __led_set(mask, state); + MCFGPTA_GPTDDR |= (1 << 3); +} + +void __led_set(led_id_t mask, int state) +{ + if (state == STATUS_LED_ON) + MCFGPTA_GPTPORT |= (1 << 3); + else + MCFGPTA_GPTPORT &= ~(1 << 3); +} + +#if defined(CONFIG_VIDEO) int drv_video_init(void) { char *s; +#ifdef CONFIG_SPLASH_SCREEN unsigned long splash; - +#endif printf("Init Video as "); - - if ((s = getenv("displaywidth")) != NULL) + s = getenv("displaywidth"); + if (s != NULL) display_width = simple_strtoul(s, NULL, 10); else display_width = 256; - if ((s = getenv("displayheight")) != NULL) + s = getenv("displayheight"); + if (s != NULL) display_height = simple_strtoul(s, NULL, 10); else display_height = 256; @@ -178,10 +225,9 @@ int drv_video_init(void) vcxk_init(display_width, display_height); #ifdef CONFIG_SPLASH_SCREEN - if ((s = getenv("splashimage")) != NULL) { - debug("use splashimage: %s\n", s); + s = getenv("splashimage"); + if (s != NULL) { splash = simple_strtoul(s, NULL, 16); - debug("use splashimage: %x\n", splash); vcxk_acknowledge_wait(); video_display_bitmap(splash, 0, 0); } |