init commit via android 4.4 uboot

1 files changed, 186 insertions, 0 deletions

diff --git a/board/innokom/innokom.c b/board/innokom/innokom.c
new file mode 100755
index 0000000..ae5402e
--- /dev/null
+++ b/board/innokom/innokom.c
@@ -0,0 +1,186 @@
+/*
+ * (C) Copyright 2002
+ * Robert Schwebel, Pengutronix, r.schwebel@pengutronix.de
+ * Kyle Harris, Nexus Technologies, Inc., kharris@nexus-tech.net
+ * Marius Groeger, Sysgo Real-Time Solutions GmbH, mgroeger@sysgo.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 <asm/arch/pxa-regs.h>
+#include <asm/mach-types.h>
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# define SHOW_BOOT_PROGRESS(arg)        show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
+
+/**
+ * i2c_init_board - reset i2c bus. When the board is powercycled during a
+ * bus transfer it might hang; for details see doc/I2C_Edge_Conditions.
+ * The Innokom board has GPIO70 connected to SCLK which can be toggled
+ * until all chips think that their current cycles are finished.
+ */
+int i2c_init_board(void)
+{
+	int i, icr;
+
+	/* disable I2C controller first, otherwhise it thinks we want to    */
+	/* talk to the slave port...                                        */
+	icr = ICR; ICR &= ~(ICR_SCLE | ICR_IUE);
+
+	/* set gpio pin low _before_ we change direction to output          */
+	GPCR(70) = GPIO_bit(70);
+
+	/* now toggle between output=low and high-impedance                 */
+	for (i = 0; i < 20; i++) {
+		GPDR(70) |= GPIO_bit(70);  /* output */
+		udelay(10);
+		GPDR(70) &= ~GPIO_bit(70); /* input  */
+		udelay(10);
+	}
+
+	ICR = icr;
+
+	return 0;
+}
+
+
+/**
+ * misc_init_r: - misc initialisation routines
+ */
+
+int misc_init_r(void)
+{
+	uchar *str;
+
+	/* determine if the software update key is pressed during startup   */
+	if (GPLR0 & 0x00000800) {
+		printf("using bootcmd_normal (sw-update button not pressed)\n");
+		str = getenv("bootcmd_normal");
+	} else {
+		printf("using bootcmd_update (sw-update button pressed)\n");
+		str = getenv("bootcmd_update");
+	}
+
+	setenv("bootcmd",str);
+
+	return 0;
+}
+
+
+/**
+ * board_init: - setup some data structures
+ *
+ * @return: 0 in case of success
+ */
+
+int board_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* memory and cpu-speed are setup before relocation */
+	/* so we do _nothing_ here */
+
+	gd->bd->bi_arch_number = MACH_TYPE_INNOKOM;
+	gd->bd->bi_boot_params = 0xa0000100;
+	gd->bd->bi_baudrate = CONFIG_BAUDRATE;
+
+	return 0;
+}
+
+
+/**
+ * dram_init: - setup dynamic RAM
+ *
+ * @return: 0 in case of success
+ */
+
+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;
+
+	return 0;
+}
+
+
+/**
+ * innokom_set_led: - switch LEDs on or off
+ *
+ * @param led:   LED to switch (0,1,2)
+ * @param state: switch on (1) or off (0)
+ */
+
+void innokom_set_led(int led, int state)
+{
+	switch(led) {
+/*
+		case 0: if (state==1) {
+				GPCR0 |= CSB226_USER_LED0;
+			} else if (state==0) {
+				GPSR0 |= CSB226_USER_LED0;
+			}
+			break;
+
+		case 1: if (state==1) {
+				GPCR0 |= CSB226_USER_LED1;
+			} else if (state==0) {
+				GPSR0 |= CSB226_USER_LED1;
+			}
+			break;
+
+		case 2: if (state==1) {
+				GPCR0 |= CSB226_USER_LED2;
+			} else if (state==0) {
+				GPSR0 |= CSB226_USER_LED2;
+			}
+			break;
+*/
+	}
+
+	return;
+}
+
+
+/**
+ * show_boot_progress: - indicate state of the boot process
+ *
+ * @param status: Status number - see README for details.
+ *
+ * The CSB226 does only have 3 LEDs, so we switch them on at the most
+ * important states (1, 5, 15).
+ */
+
+void show_boot_progress (int status)
+{
+	switch(status) {
+/*
+		case  1: csb226_set_led(0,1); break;
+		case  5: csb226_set_led(1,1); break;
+		case 15: csb226_set_led(2,1); break;
+*/
+	}
+
+	return;
+}