--- /dev/null
+/*
+ * (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 */
projects / karo-tx-uboot.git / blobdiff