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Index: u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c
===================================================================
--- u-boot-1.3.2.orig/board/freescale/mpc8313erdb/mpc8313erdb.c
+++ u-boot-1.3.2/board/freescale/mpc8313erdb/mpc8313erdb.c
@@ -29,6 +29,7 @@
#include <pci.h>
#include <mpc83xx.h>
#include <spi.h>
+#include <gpio.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -44,6 +45,48 @@ int board_early_init_f(void)
return 0;
}
+int misc_init_f(void)
+{
+ uchar value;
+ uchar i;
+
+#ifdef PRE_INIT_GPIO
+ value=PRE_INIT_GPIO;
+
+ for(i=0;i<MAX_GPIO_OUT;i++)
+ {
+ if(value&(1<<i))
+ {
+ gpio_set(i);
+ }
+ else
+ {
+ gpio_clear(i);
+ }
+ }
+ udelay(1000);
+#endif
+
+
+#ifdef INIT_GPIO
+ value=INIT_GPIO;
+ for(i=0;i<MAX_GPIO_OUT;i++)
+ {
+ if(value&(1<<i))
+ {
+ gpio_set(i);
+ }
+ else
+ {
+ gpio_clear(i);
+ }
+ }
+ puts("GPIO: ready\n");
+#endif
+
+ return 0;
+}
+
int checkboard(void)
{
puts("Board: Freescale MPC8313ERDB\n");
@@ -109,7 +152,42 @@ void ft_board_setup(void *blob, bd_t *bd
}
#endif
+#ifdef CONFIG_CMD_GPIO
+void gpio_set(unsigned char ucGpio)
+{
+ unsigned long ulMask=0;
+ volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
+ if(ucGpio<32)
+ {
+ ulMask=1<<(31-ucGpio);
+ iopd->dir |= ulMask;
+ iopd->dat |= ulMask;
+ }
+}
+
+void gpio_clear(unsigned char ucGpio)
+{
+ unsigned long ulMask=0;
+ volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
+ if(ucGpio<32)
+ {
+ ulMask=1<<(31-ucGpio);
+ iopd->dir |= ulMask;
+ iopd->dat &= ~ulMask;
+ }
+}
+char gpio_get(unsigned char ucGpio)
+{
+ unsigned long ulMask=0;
+ volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
+ if(ucGpio<32)
+ {
+ ulMask=1<<(31-ucGpio);
+ }
+ return (iopd->dat& ulMask)? 1:0;
+}
+#endif
/*
* The following are used to control the SPI chip selects for the SPI command.
*/
Index: u-boot-1.3.2/common/cmd_gpio.c
===================================================================
--- /dev/null
+++ u-boot-1.3.2/common/cmd_gpio.c
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2001
+ * Alexandre Coffignal, CenoSYS, alexandre.coffignal@cenosys.com
+ *
+ * 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 <config.h>
+#include <command.h>
+#include <gpio.h>
+
+
+int do_gpio (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned char ucGpio;
+
+ if (argc < 3)
+ goto usage;
+
+ ucGpio = simple_strtoul (argv[2], NULL, 10);
+
+ if (!strncmp(argv[1], "set", 3))
+ {
+ gpio_set(ucGpio);
+ }
+ else
+ if (!strncmp(argv[1], "clear", 5))
+ {
+ gpio_clear(ucGpio);
+ }
+ else
+ if (!strncmp(argv[1], "get", 3))
+ {
+ printf("%s %s %d = %d\n",argv[0],argv[1],ucGpio, gpio_get(ucGpio));
+ return 0;
+ }
+ else
+ goto usage;
+
+ printf("%s %s %d\n",argv[0],argv[1],ucGpio);
+
+ return 0;
+
+usage :
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+} /* do_gpio() */
+
+/***************************************************/
+
+U_BOOT_CMD(
+ gpio, 3, 1, do_gpio,
+ "gpio - General Purpose Input/Output\n",
+ " - Set or clear General Purpose Output.\n"
+ "<set/clear/get> - Set or clear General Purpose Output.\n"
+ "<gpio> - number of gpio to be set/clear/get \n"
+);
+
Index: u-boot-1.3.2/common/Makefile
===================================================================
--- u-boot-1.3.2.orig/common/Makefile
+++ u-boot-1.3.2/common/Makefile
@@ -50,6 +50,7 @@ endif
COBJS-$(CONFIG_CMD_DISPLAY) += cmd_display.o
COBJS-$(CONFIG_CMD_DOC) += cmd_doc.o
COBJS-$(CONFIG_CMD_DTT) += cmd_dtt.o
+COBJS-$(CONFIG_CMD_GPIO) += cmd_gpio.o
COBJS-y += cmd_eeprom.o
COBJS-$(CONFIG_CMD_ELF) += cmd_elf.o
COBJS-$(CONFIG_CMD_EXT2) += cmd_ext2.o
Index: u-boot-1.3.2/include/configs/MPC8313ERDB.h
===================================================================
--- u-boot-1.3.2.orig/include/configs/MPC8313ERDB.h
+++ u-boot-1.3.2/include/configs/MPC8313ERDB.h
@@ -49,6 +49,7 @@
#define CONFIG_SYS_CLK_FREQ CONFIG_83XX_CLKIN
#define CONFIG_BOARD_EARLY_INIT_F /* call board_pre_init */
+#define CONFIG_MISC_INIT_F
#define CFG_IMMR 0xE0000000
@@ -370,6 +371,7 @@
#define CONFIG_CMD_NAND
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_SPI
+#define CONFIG_CMD_GPIO
#if defined(CFG_RAMBOOT)
#undef CONFIG_CMD_ENV
@@ -392,6 +394,11 @@
#define CONFIG_HARD_SPI /* SPI with hardware support */
#undef CONFIG_SOFT_SPI /* SPI bit-banged */
+/* GPIO */
+#define PRE_INIT_GPIO 0x28
+#define INIT_GPIO 0x08
+#define MAX_GPIO_OUT 7
+
/*
* Miscellaneous configurable options
*/
@@ -457,7 +464,7 @@
/* System IO Config */
#define CFG_SICRH (SICRH_TSOBI1 | SICRH_TSOBI2) /* RGMII */
-#define CFG_SICRL SICRL_USBDR /* Enable Internal USB Phy */
+#define CFG_SICRL (SICRL_USBDR |SICRL_LBC) /* Enable Internal USB Phy */
#define CFG_HID0_INIT 0x000000000
#define CFG_HID0_FINAL (HID0_ENABLE_MACHINE_CHECK | \
Index: u-boot-1.3.2/include/gpio.h
===================================================================
--- /dev/null
+++ u-boot-1.3.2/include/gpio.h
@@ -0,0 +1,9 @@
+#ifndef __GPIO_H__
+#define __GPIO_H__
+
+extern void gpio_set(unsigned char ucGpio);
+extern void gpio_clear(unsigned char ucGpio);
+extern char gpio_get(unsigned char ucGpio);
+
+#endif /* __GPIO_H__ */
+
|
