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Diffstat (limited to 'u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c')
| -rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c b/u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c new file mode 100644 index 0000000..d64ad1b --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c @@ -0,0 +1,234 @@ +/* + * (C) Copyright 2005-2009 + * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de> + * + * (C) Copyright 2000-2003 + * 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 + */ + +#include <common.h> +#include <command.h> +#include "asm/m5282.h" +#include <bmp_layout.h> +#include <status_led.h> +#include <bus_vcxk.h> + +/*---------------------------------------------------------------------------*/ + +DECLARE_GLOBAL_DATA_PTR; + +unsigned long display_width; +unsigned long display_height; + +/*---------------------------------------------------------------------------*/ + +int checkboard (void) +{ + puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n"); +#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) + puts (" Boot from Internal FLASH\n"); +#endif + + return 0; +} + +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); +#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_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; + + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP; + + *(unsigned short *) (CONFIG_SYS_SDRAM_BASE0) = 0xA5A5; + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE; + 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; +#endif +#ifdef CONFIG_SYS_SDRAM_BASE1 + MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1) + | MCFSDRAMC_DACR_CASL (1) + | MCFSDRAMC_DACR_CBM (3) + | MCFSDRAMC_DACR_PS_16; + + MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; + + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP; + + *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5; + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE; + + for (i = 0; i < 2000; i++) + asm (" nop"); + + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS; + *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5; + size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024; +#endif + return size; +} + +#if defined(CONFIG_SYS_DRAM_TEST) +int testdram (void) +{ + uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; + uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; + uint *p; + + printf("SDRAM test phase 1:\n"); + for (p = pstart; p < pend; p++) + *p = 0xaaaaaaaa; + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test phase 2:\n"); + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test passed.\n"); + return 0; +} +#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) + +/* + ****h* EB+CPU5282-T1/drv_video_init + * FUNCTION + *** + */ + +int drv_video_init(void) +{ + char *s; + unsigned long splash; + + printf("Init Video as "); + + if ((s = getenv("displaywidth")) != NULL) + display_width = simple_strtoul(s, NULL, 10); + else + display_width = 256; + + if ((s = getenv("displayheight")) != NULL) + display_height = simple_strtoul(s, NULL, 10); + else + display_height = 256; + + printf("%lu x %lu pixel matrix\n", display_width, display_height); + + MCFCCM_CCR &= ~MCFCCM_CCR_SZEN; + MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2; + + vcxk_init(display_width, display_height); + +#ifdef CONFIG_SPLASH_SCREEN + if ((s = getenv("splashimage")) != NULL) { + debug("use splashimage: %s\n", s); + splash = simple_strtoul(s, NULL, 16); + debug("use splashimage: %x\n", splash); + vcxk_acknowledge_wait(); + video_display_bitmap(splash, 0, 0); + } +#endif + return 0; +} +#endif + +/*---------------------------------------------------------------------------*/ + +#ifdef CONFIG_VIDEO +int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int rcode = 0; + ulong side; + ulong bright; + + switch (argc) { + case 3: + side = simple_strtoul(argv[1], NULL, 10); + bright = simple_strtoul(argv[2], NULL, 10); + if ((side >= 0) && (side <= 3) && + (bright >= 0) && (bright <= 1000)) { + vcxk_setbrightness(side, bright); + rcode = 0; + } else { + printf("parameters out of range\n"); + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + } + break; + default: + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + break; + } + return rcode; +} + +/*---------------------------------------------------------------------------*/ + +U_BOOT_CMD( + bright, 3, 0, do_brightness, + "sets the display brightness\n", + " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n" +); + +#endif + +/* EOF EB+MCF-EV123.c */ |