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Diffstat (limited to 'board/sx1/sx1.c')
-rw-r--r-- | board/sx1/sx1.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/board/sx1/sx1.c b/board/sx1/sx1.c deleted file mode 100644 index aaef76e..0000000 --- a/board/sx1/sx1.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * (C) Copyright 2004 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (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> - -DECLARE_GLOBAL_DATA_PTR; - -static void flash__init (void); -static void ether__init (void); - -static inline void delay (unsigned long loops) -{ - __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} - -/* - * Miscellaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* arch number of SX1 Board */ - gd->bd->bi_arch_number = MACH_TYPE_SX1; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x10000100; - -/* kk - 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) -{ - /* volatile ushort *gdir = (ushort *) (GPIO_DIR_CONTROL_REG); */ - /* volatile ushort *mdir = (ushort *) (MPUIO_DIR_CONTROL_REG); */ - - /* setup gpio direction to match board (no floats!) */ - /**gdir = 0xCFF9; */ - /**mdir = 0x103F; */ - - return (0); -} - -/****************************** - Routine: - Description: -******************************/ -static void flash__init (void) -{ -#define CS0_CHIP_SELECT_REG 0xfffecc10 -#define CS3_CHIP_SELECT_REG 0xfffecc1c -#define EMIFS_GlB_Config_REG 0xfffecc0c - - unsigned int regval; - - regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG); - regval = regval | 0x0001; /* Turn off write protection for flash devices. */ - if (regval & 0x0002) { - regval = regval & 0xfffd; /* Swap CS0 and CS3 so that flash is visible at 0x0 and eeprom at 0x0c000000. */ - /* If, instead, you want to reference flash at 0x0c000000, then it seemed the following were necessary. */ - /* *((volatile unsigned int *)CS0_CHIP_SELECT_REG) = 0x202090; / * Overrides head.S setting of 0x212090 */ - /* *((volatile unsigned int *)CS3_CHIP_SELECT_REG) = 0x202090; / * Let's flash chips be fully functional. */ - } - *((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval; -} - - -/****************************** - Routine: - Description: -******************************/ -static void ether__init (void) -{ -#define ETH_CONTROL_REG 0x0800000b - /* take the Ethernet controller out of reset and wait - * for the EEPROM load to complete. - */ - *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01; - udelay (3); -} - - -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; -} |