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/*
* Copyright (C) 2004 - 2005 Texas Instruments.
*
* X-Loader Configuation settings for the TI OMAP H4 board.
*
* 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
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* serial printf facility takes about 3.5K */
#define CFG_PRINTF
//#undef CFG_PRINTF
/* uncomment it if you need timer based udelay(). it takes about 250 bytes */
//#define CFG_UDELAY
/*
* High Level Configuration Options
*/
#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP2420 1 /* which is in a 2420 */
#define CONFIG_OMAP2420H4 1 /* and on a H4 board */
#define CONFIG_OMAP242X
#define PRCM_CONFIG_II 1
//#define PRCM_CONFIG_III 1
#define CONFIG_PARTIAL_SRAM 1
//#define CFG_SDRAM_DDR 1
#define CFG_SDRAM_COMBO 2
//#define CFG_SDRAM_SDR 3
//#define CFG_SDRAM_STACKED 4
/* Chipselect and NAND information :
Since we share the mem.h from u-boot, we define few macros here
so as to pick the right gpmc values from there for the macros in mem.h
*/
/* NAND fixed at CS5 */
#define OMAP24XX_GPMC_CS0 SMNAND
#define OMAP24XX_GPMC_CS0_SIZE GPMC_SIZE_64M
#define OMAP24XX_GPMC_CS0_MAP CFG_FLASH_BASE
#define CFG_NAND_BOOT
#define NAND_LEGACY
#include <asm/arch/omap2420.h> /* get chip and board defs */
#define V_SCLK 12000000
/* input clock of PLL */
/* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */
#define CONFIG_SYS_CLK_FREQ V_SCLK
#ifdef CFG_PRINTF
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE (-4)
#define CFG_NS16550_CLK (48000000) /* can be 12M/32Khz or 48Mhz */
#define CFG_NS16550_COM1 OMAP2420_UART1
/*
* select serial console configuration
*/
#define CONFIG_SERIAL1 1 /* UART1 on H4 */
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
#define CFG_PBSIZE 256
#endif /* CFG_PRINTF */
/*
* Miscellaneous configurable options
*/
#define CFG_LOADADDR 0x80000000
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
/*-----------------------------------------------------------------------
* Stack sizes
*
* The stack sizes are set up in start.S using the settings below
*/
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
/*-----------------------------------------------------------------------
* Board NAND Info.
*/
#define CFG_NAND_K9K1216 /* Samsung 16-bit 64MB chip */
#define NAND_ADDR 0x04000000 /* physical address to access nand at CS0*/
/* H4 NAND is partitioned:
* 0x0000000 - 0x0010000 Booting Image
* 0x0010000 - 0x0050000 U-Boot Image
* 0x0050000 - 0x0080000 U-Boot Env Data (X-loader doesn't care)
* 0x0080000 - 0x4000000 depends on application
*/
#define NAND_UBOOT_START 0x0040000
#define NAND_UBOOT_END 0x0080000
#define NAND_BLOCK_SIZE 0x4000
#define WRITE_NAND_COMMAND(d, adr) do {*(volatile u16 *)0x6800A07C = d;} while(0)
#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u16 *)0x6800A080 = d;} while(0)
#define WRITE_NAND(d, adr) do {*(volatile u16 *)0x6800A084 = d;} while(0)
#define READ_NAND(adr) (*(volatile u16 *)0x6800A084)
#define NAND_WAIT_READY()
#define NAND_WP_OFF() do {*(volatile u32 *)(0x6800A050) |= 0x00000010;} while(0)
#define NAND_WP_ON() do {*(volatile u32 *)(0x6800A050) &= ~0x00000010;} while(0)
#define NAND_CTL_CLRALE(adr)
#define NAND_CTL_SETALE(adr)
#define NAND_CTL_CLRCLE(adr)
#define NAND_CTL_SETCLE(adr)
#define NAND_DISABLE_CE()
#define NAND_ENABLE_CE()
#endif /* __CONFIG_H */
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