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authorWolfgang Denk <wd@pollux.(none)>2005-09-25 15:59:01 +0200
committerWolfgang Denk <wd@pollux.(none)>2005-09-25 15:59:01 +0200
commit70a2047ff6f0391dddd5f23a715bb610210b1462 (patch)
tree95632497e24ceedbd093bbf60cc12207499f5932 /board/pxa255_idp/pxa_idp.c
parent2df741bf7cd0bdb49f84fa7c7f2f9153419f0233 (diff)
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Add Vibren (was Accelent) PXA255 IDP Support
Patch by Cliff Brake, 04 Feb 2005
Diffstat (limited to 'board/pxa255_idp/pxa_idp.c')
-rw-r--r--board/pxa255_idp/pxa_idp.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/board/pxa255_idp/pxa_idp.c b/board/pxa255_idp/pxa_idp.c
new file mode 100644
index 0000000..d5b993a
--- /dev/null
+++ b/board/pxa255_idp/pxa_idp.c
@@ -0,0 +1,140 @@
+/*
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2004
+ * BEC Systems <http://bec-systems.com>
+ * Cliff Brake <cliff.brake@gmail.com>
+ * Support for Accelent/Vibren PXA255 IDP
+ *
+ * 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>
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* memory and cpu-speed are setup before relocation */
+ /* so we do _nothing_ here */
+
+ /* arch number of Lubbock-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_PXA_IDP;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0xa0000100;
+
+ /* turn on serial ports */
+ *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C0002c) = 0x13;
+
+ /* set PWM for LCD */
+ /* a value that works is 60Hz, 77% duty cycle */
+ CKEN |= CKEN0_PWM0;
+ PWM_CTRL0 = 0x3f;
+ PWM_PERVAL0 = 0x3ff;
+ PWM_PWDUTY0 = 792;
+
+ /* clear reset to AC97 codec */
+ CKEN |= CKEN2_AC97;
+ GCR = GCR_COLD_RST;
+
+ /* enable LCD backlight */
+ /* *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C00030) = 0x7; */
+
+ /* test display */
+ /* lcd_puts("This is a test\nTest #2\n"); */
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ setenv("stdout", "serial");
+ setenv("stderr", "serial");
+ return 0;
+}
+
+
+int dram_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+ gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+ gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
+ gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
+ gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
+ gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
+
+ return 0;
+}
+
+
+#ifdef DEBUG_BLINKC_ENABLE
+
+void delay_c(void)
+{
+ /* reset OSCR to 0 */
+ OSCR = 0;
+ while(OSCR > 0x10000)
+ ;
+
+ while(OSCR < 0xd4000)
+ ;
+}
+
+void blink_c(void)
+{
+ int led_bit = (1<<10);
+
+ GPDR0 = led_bit;
+ GPCR0 = led_bit;
+ delay_c();
+ GPSR0 = led_bit;
+ delay_c();
+ GPCR0 = led_bit;
+}
+
+int do_idpcmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ printf("IDPCMD started\n");
+ return 0;
+}
+
+U_BOOT_CMD(idpcmd, CFG_MAXARGS, 0, do_idpcmd,
+ "idpcmd - custom IDP command\n",
+ "no args at this time\n"
+);
+
+#endif