+++ /dev/null
-/*
- * (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>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <netdev.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;
-}
-
-/******************************
- 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);
-}
-
-#ifdef CONFIG_CMD_NET
-int board_eth_init(bd_t *bis)
-{
- int rc = 0;
-#ifdef CONFIG_LAN91C96
- rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE);
-#endif
- return rc;
-}
-#endif
projects / karo-tx-uboot.git / blobdiff