1 files changed, 265 insertions, 0 deletions
diff --git a/board/ti/omap730p2/omap730p2.c b/board/ti/omap730p2/omap730p2.c
new file mode 100644
index 0000000..309d667
--- /dev/null
+++ b/board/ti/omap730p2/omap730p2.c
@@ -0,0 +1,265 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.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>
+#if defined(CONFIG_OMAP730)
+#include <./configs/omap730.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int test_boot_mode(void);
+void spin_up_leds(void);
+void flash__init (void);
+void ether__init (void);
+void set_muxconf_regs (void);
+void peripheral_power_enable (void);
+
+#define FLASH_ON_CS0	1
+#define FLASH_ON_CS3	0
+
+static inline void delay (unsigned long loops)
+{
+	__asm__ volatile ("1:\n"
+			  "subs %0, %1, #1\n"
+			  "bne 1b":"=r" (loops):"0" (loops));
+}
+
+int test_boot_mode(void)
+{
+	/* Check for CS0 and CS3 address decode swapping */
+	if (*((volatile int *)EMIFS_CONFIG) & 0x00000002)
+		return(FLASH_ON_CS3);
+	else
+		return(FLASH_ON_CS0);
+}
+
+/* Toggle backup LED indication */
+void toggle_backup_led(void)
+{
+	static int  backupLEDState = 0;	 /* Init variable so that the LED will be ON the first time */
+	volatile unsigned int *IOConfReg;
+
+
+	IOConfReg = (volatile unsigned int *) ((unsigned int) OMAP730_GPIO_BASE_5 + GPIO_DATA_OUTPUT);
+
+	if (backupLEDState != 0) {
+		*IOConfReg &= (0xFFFFEFFF);
+		backupLEDState = 0;
+	} else {
+		*IOConfReg |= (0x00001000);
+		backupLEDState = 1;
+	}
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+	/* arch number of OMAP 730 P2 Board - Same as the Innovator! */
+	gd->bd->bi_arch_number = MACH_TYPE_OMAP_PERSEUS2;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0x10000100;
+
+	/* Configure MUX settings */
+	set_muxconf_regs ();
+
+	peripheral_power_enable ();
+
+	/* Backup LED indication via GPIO_140 -> Red led if MUX correctly setup */
+	toggle_backup_led();
+
+	/* Hold GSM in reset until needed */
+	*((volatile unsigned short *)M_CTL) &= ~1;
+
+	/*
+	 *  CSx timings, GPIO Mux ... setup
+	 */
+
+	/* Flash: CS0 timings setup */
+	*((volatile unsigned int *) FLASH_CFG_0) = 0x0000fff3;
+	*((volatile unsigned int *) FLASH_ACFG_0_1) = 0x00000088;
+
+	/* Ethernet support trough the debug board */
+	/* CS1 timings setup */
+	*((volatile unsigned int *) FLASH_CFG_1) = 0x0000fff3;
+	*((volatile unsigned int *) FLASH_ACFG_0_1) = 0x00000000;
+
+	/* this speeds up your boot a quite a bit.  However to make it
+	 *  work, you need make sure your kernel startup flush bug is fixed.
+	 *  ... rkw ...
+	 */
+	icache_enable ();
+
+	flash__init ();
+	ether__init ();
+
+	return 0;
+}
+
+int misc_init_r (void)
+{
+	/* currently empty */
+	return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+void flash__init (void)
+{
+	unsigned int regval;
+
+	regval = *((volatile unsigned int *) EMIFS_CONFIG);
+	/* Turn off write protection for flash devices. */
+	regval = regval | 0x0001;
+	*((volatile unsigned int *) EMIFS_CONFIG) = regval;
+}
+
+/*************************************************************
+ Routine:ether__init
+ Description: take the Ethernet controller out of reset and wait
+			   for the EEPROM load to complete.
+*************************************************************/
+void ether__init (void)
+{
+#define LAN_RESET_REGISTER 0x0400001c
+
+	*((volatile unsigned short *) LAN_RESET_REGISTER) = 0x0000;
+	do {
+		*((volatile unsigned short *) LAN_RESET_REGISTER) = 0x0001;
+		udelay (100);
+	} while (*((volatile unsigned short *) LAN_RESET_REGISTER) != 0x0001);
+
+	do {
+		*((volatile unsigned short *) LAN_RESET_REGISTER) = 0x0000;
+		udelay (100);
+	} while (*((volatile unsigned short *) LAN_RESET_REGISTER) != 0x0000);
+
+#define ETH_CONTROL_REG 0x0400030b
+
+	*((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01;
+	udelay (100);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return 0;
+}
+
+/******************************************************
+ Routine: set_muxconf_regs
+ Description: Setting up the configuration Mux registers
+			  specific to the hardware
+*******************************************************/
+void set_muxconf_regs (void)
+{
+	volatile unsigned int *MuxConfReg;
+	/* set each registers to its reset value; */
+
+	/*
+	 *  Backup LED Indication
+	 */
+
+	/* Configure MUXed pin. Mode 6: GPIO_140 */
+	MuxConfReg = (volatile unsigned int *) (PERSEUS2_IO_CONF10);
+	*MuxConfReg &= (0xFFFFFF1F);	     /* Clear D_MPU_LPG1 */
+	*MuxConfReg |= 0x000000C0;	     /* Set D_MPU_LPG1 to 0x6 */
+
+	/* Configure GPIO_140 as output */
+	MuxConfReg = (volatile unsigned int *) ((unsigned int) OMAP730_GPIO_BASE_5 + GPIO_DIRECTION_CONTROL);
+	*MuxConfReg &= (0xFFFFEFFF);	     /* Clear direction (output) for GPIO 140 */
+
+	/*
+	 * Configure GPIOs for battery charge & feedback
+	 */
+
+	/* Configure MUXed pin. Mode 6: GPIO_35 */
+	MuxConfReg = (volatile unsigned int *) (PERSEUS2_IO_CONF3);
+	*MuxConfReg &= 0xFFFFFFF1;	     /* Clear M_CLK_OUT */
+	*MuxConfReg |= 0x0000000C;	     /* Set M_CLK_OUT = 0x6 (GPIOs) */
+
+	/* Configure MUXed pin. Mode 6: GPIO_72,73,74 */
+	MuxConfReg = (volatile unsigned int *) (PERSEUS2_IO_CONF5);
+	*MuxConfReg &= 0xFFFF1FFF;	     /* Clear D_DDR */
+	*MuxConfReg |= 0x0000C000;	     /* Set D_DDR = 0x6 (GPIOs) */
+
+	MuxConfReg = (volatile unsigned int *) ((unsigned int) OMAP730_GPIO_BASE_3 + GPIO_DIRECTION_CONTROL);
+	*MuxConfReg |= 0x00000100;	     /* Configure GPIO_72 as input */
+	*MuxConfReg &= 0xFFFFFDFF;	     /* Configure GPIO_73 as output	*/
+
+	/*
+	 * Allow battery charge
+	 */
+
+	MuxConfReg = (volatile unsigned int *) ((unsigned int) OMAP730_GPIO_BASE_3 + GPIO_DATA_OUTPUT);
+	*MuxConfReg &= (0xFFFFFDFF);	     /* Clear GPIO_73 pin */
+
+	/*
+	 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
+	 * It is used as the Ethernet controller interrupt
+	 */
+	MuxConfReg = (volatile unsigned int *) (PERSEUS2_IO_CONF9);
+	*MuxConfReg &= 0x1FFFFFFF;
+}
+
+/******************************************************
+ Routine: peripheral_power_enable
+ Description: Enable the power for UART1
+*******************************************************/
+void peripheral_power_enable (void)
+{
+	volatile unsigned int *MuxConfReg;
+
+
+	/* Set up pins used by UART */
+
+	/* Start UART clock (48MHz) */
+	MuxConfReg = (volatile unsigned int *) (PERSEUS_PCC_CONF_REG);
+	*MuxConfReg &= (0xFFFFFFF7);
+	*MuxConfReg |= (0x00000008);
+
+	/* Get the UART pin in mode0  */
+	MuxConfReg = (volatile unsigned int *) (PERSEUS2_IO_CONF3);
+	*MuxConfReg &= (0xFF1FFFFF);
+	*MuxConfReg &= (0xF1FFFFFF);
+}