diff options
Diffstat (limited to 'board/sbc2410x/sbc2410x.c')
| -rw-r--r-- | board/sbc2410x/sbc2410x.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/board/sbc2410x/sbc2410x.c b/board/sbc2410x/sbc2410x.c deleted file mode 100644 index c82382dc8..000000000 --- a/board/sbc2410x/sbc2410x.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * (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 2005 - * JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.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 <netdev.h> -#include <asm/arch/s3c24x0_cpu.h> - -#if defined(CONFIG_CMD_NAND) -#include <linux/mtd/nand.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -#define FCLK_SPEED 1 - -#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */ -#define M_MDIV 0xC3 -#define M_PDIV 0x4 -#define M_SDIV 0x1 -#elif FCLK_SPEED==1 /* Fout = 202.8MHz */ -#define M_MDIV 0x5c -#define M_PDIV 0x4 -#define M_SDIV 0x0 -#endif - -#define USB_CLOCK 1 - -#if USB_CLOCK==0 -#define U_M_MDIV 0xA1 -#define U_M_PDIV 0x3 -#define U_M_SDIV 0x1 -#elif USB_CLOCK==1 -#define U_M_MDIV 0x48 -#define U_M_PDIV 0x3 -#define U_M_SDIV 0x2 -#endif - -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) -{ - struct s3c24x0_clock_power * const clk_power = - s3c24x0_get_base_clock_power(); - struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio(); - - /* to reduce PLL lock time, adjust the LOCKTIME register */ - clk_power->locktime = 0xFFFFFF; - - /* configure MPLL */ - clk_power->mpllcon = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV); - - /* some delay between MPLL and UPLL */ - delay (4000); - - /* configure UPLL */ - clk_power->upllcon = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV); - - /* some delay between MPLL and UPLL */ - delay (8000); - - /* set up the I/O ports */ - gpio->gpacon = 0x007FFFFF; - gpio->gpbcon = 0x00044556; - gpio->gpbup = 0x000007FF; - gpio->gpccon = 0xAAAAAAAA; - gpio->gpcup = 0x0000FFFF; - gpio->gpdcon = 0xAAAAAAAA; - gpio->gpdup = 0x0000FFFF; - gpio->gpecon = 0xAAAAAAAA; - gpio->gpeup = 0x0000FFFF; - gpio->gpfcon = 0x000055AA; - gpio->gpfup = 0x000000FF; - gpio->gpgcon = 0xFF95FF3A; - gpio->gpgup = 0x0000FFFF; - gpio->gphcon = 0x0016FAAA; - gpio->gphup = 0x000007FF; - - gpio->extint0 = 0x22222222; - gpio->extint1 = 0x22222222; - gpio->extint2 = 0x22222222; - - /* arch number of SMDK2410-Board */ - gd->bd->bi_arch_number = MACH_TYPE_SMDK2410; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x30000100; - - icache_enable(); - dcache_enable(); - - return 0; -} - -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; -} - -#if defined(CONFIG_CMD_NAND) -extern ulong nand_probe(ulong physadr); - -static inline void NF_Reset(void) -{ - int i; - - NF_SetCE(NFCE_LOW); - NF_Cmd(0xFF); /* reset command */ - for(i = 0; i < 10; i++); /* tWB = 100ns. */ - NF_WaitRB(); /* wait 200~500us; */ - NF_SetCE(NFCE_HIGH); -} - -static inline void NF_Init(void) -{ -#if 1 -#define TACLS 0 -#define TWRPH0 3 -#define TWRPH1 0 -#else -#define TACLS 0 -#define TWRPH0 4 -#define TWRPH1 2 -#endif - - NF_Conf((1<<15)|(0<<14)|(0<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0)); - /*nand->NFCONF = (1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0); */ - /* 1 1 1 1, 1 xxx, r xxx, r xxx */ - /* En 512B 4step ECCR nFCE=H tACLS tWRPH0 tWRPH1 */ - - NF_Reset(); -} - -void nand_init(void) -{ - struct s3c2410_nand * const nand = s3c2410_get_base_nand(); - - NF_Init(); -#ifdef DEBUG - printf("NAND flash probing at 0x%.8lX\n", (ulong)nand); -#endif - printf ("%4lu MB\n", nand_probe((ulong)nand) >> 20); -} -#endif - -#ifdef CONFIG_CMD_NET -int board_eth_init(bd_t *bis) -{ - int rc = 0; -#ifdef CONFIG_CS8900 - rc = cs8900_initialize(0, CONFIG_CS8900_BASE); -#endif - return rc; -} -#endif |