Add Vibren (was Accelent) PXA255 IDP Support

Patch by Cliff Brake, 04 Feb 2005

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