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/*
* (C) Copyright 2004-2009
* Texas Instruments Incorporated, <www.ti.com>
* Richard Woodruff <r-woodruff2@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>
#include <netdev.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mux.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-types.h>
#include "sdp.h"
DECLARE_GLOBAL_DATA_PTR;
const omap3_sysinfo sysinfo = {
DDR_DISCRETE,
"OMAP3 SDP3430 board",
#if defined(CONFIG_ENV_IS_IN_ONENAND)
"OneNAND",
#elif defined(CONFIG_ENV_IS_IN_NAND)
"NAND",
#else
"NOR",
#endif
};
/* Timing definitions for GPMC controller for Sibley NOR */
static const u32 gpmc_sdp_nor[] = {
SDP3430_NOR_GPMC_CONF1,
SDP3430_NOR_GPMC_CONF2,
SDP3430_NOR_GPMC_CONF3,
SDP3430_NOR_GPMC_CONF4,
SDP3430_NOR_GPMC_CONF5,
SDP3430_NOR_GPMC_CONF6,
/*CONF7- computed as params */
};
/*
* Timing definitions for GPMC controller for Debug Board
* Debug board contains access to ethernet and DIP Switch setting
* information etc.
*/
static const u32 gpmc_sdp_debug[] = {
SDP3430_DEBUG_GPMC_CONF1,
SDP3430_DEBUG_GPMC_CONF2,
SDP3430_DEBUG_GPMC_CONF3,
SDP3430_DEBUG_GPMC_CONF4,
SDP3430_DEBUG_GPMC_CONF5,
SDP3430_DEBUG_GPMC_CONF6,
/*CONF7- computed as params */
};
/* Timing defintions for GPMC OneNAND */
static const u32 gpmc_sdp_onenand[] = {
SDP3430_ONENAND_GPMC_CONF1,
SDP3430_ONENAND_GPMC_CONF2,
SDP3430_ONENAND_GPMC_CONF3,
SDP3430_ONENAND_GPMC_CONF4,
SDP3430_ONENAND_GPMC_CONF5,
SDP3430_ONENAND_GPMC_CONF6,
/*CONF7- computed as params */
};
/* GPMC definitions for GPMC NAND */
static const u32 gpmc_sdp_nand[] = {
SDP3430_NAND_GPMC_CONF1,
SDP3430_NAND_GPMC_CONF2,
SDP3430_NAND_GPMC_CONF3,
SDP3430_NAND_GPMC_CONF4,
SDP3430_NAND_GPMC_CONF5,
SDP3430_NAND_GPMC_CONF6,
/*CONF7- computed as params */
};
/* gpmc_cfg is initialized by gpmc_init and we use it here */
extern struct gpmc *gpmc_cfg;
/**
* @brief board_init - gpmc and basic setup as phase1 of boot sequence
*
* @return 0
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* TODO: Dynamically pop out CS mapping and program accordingly */
/* Configure devices for default ON ON ON settings */
enable_gpmc_cs_config(gpmc_sdp_nor, &gpmc_cfg->cs[0],
CONFIG_SYS_FLASH_BASE, GPMC_SIZE_128M);
enable_gpmc_cs_config(gpmc_sdp_nand, &gpmc_cfg->cs[1], 0x28000000,
GPMC_SIZE_16M);
enable_gpmc_cs_config(gpmc_sdp_onenand, &gpmc_cfg->cs[2], 0x20000000,
GPMC_SIZE_16M);
enable_gpmc_cs_config(gpmc_sdp_debug, &gpmc_cfg->cs[3], DEBUG_BASE,
GPMC_SIZE_16M);
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_OMAP_3430SDP;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
#define LAN_RESET_REGISTER (CONFIG_LAN91C96_BASE + 0x01c)
#define ETH_CONTROL_REG (CONFIG_LAN91C96_BASE + 0x30b)
/**
* @brief board_eth_init Take the Ethernet controller out of reset and wait
* for the EEPROM load to complete.
*/
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_LAN91C96
int cnt = 20;
writew(0x0, LAN_RESET_REGISTER);
do {
writew(0x1, LAN_RESET_REGISTER);
udelay(100);
if (cnt == 0)
goto reset_err_out;
--cnt;
} while (readw(LAN_RESET_REGISTER) != 0x1);
cnt = 20;
do {
writew(0x0, LAN_RESET_REGISTER);
udelay(100);
if (cnt == 0)
goto reset_err_out;
--cnt;
} while (readw(LAN_RESET_REGISTER) != 0x0000);
udelay(1000);
writeb(readb(ETH_CONTROL_REG) & ~0x1, ETH_CONTROL_REG);
udelay(1000);
rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE);
reset_err_out:
#endif
return rc;
}
/**
* @brief misc_init_r - Configure SDP board specific configurations
* such as power configurations, ethernet initialization as phase2 of
* boot sequence
*
* @return 0
*/
int misc_init_r(void)
{
/* Partial setup:
* VAUX3 - 2.8V for DVI
* VPLL1 - 1.8V
* VDAC - 1.8V
* and turns on LEDA/LEDB (not needed ... NOP?)
*/
twl4030_power_init();
/* FIXME finish setup:
* VAUX1 - 2.8V for mainboard I/O
* VAUX2 - 2.8V for camera
* VAUX4 - 1.8V for OMAP3 CSI
* VMMC1 - 3.15V (init, variable) for MMC1
* VMMC2 - 1.85V for MMC2
* VSIM - off (init, variable) for MMC1.DAT[3..7], SIM
* VPLL2 - 1.8V
*/
return 0;
}
/**
* @brief set_muxconf_regs Setting up the configuration Mux registers
* specific to the hardware. Many pins need to be moved from protect
* to primary mode.
*/
void set_muxconf_regs(void)
{
/* platform specific muxes */
MUX_SDP3430();
}
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