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/*
* (C) Copyright 2004-2008
* Texas Instruments, <www.ti.com>
*
* Author :
* Sunil Kumar <sunilsaini05@gmail.com>
* Shashi Ranjan <shashiranjanmca05@gmail.com>
*
* (C) Copyright 2009
* Frederik Kriewitz <frederik@kriewitz.eu>
*
* Derived from Beagle Board and 3430 SDP code by
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@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 <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mem.h>
#include <asm/mach-types.h>
#include "devkit8000.h"
#include <asm/gpio.h>
#ifdef CONFIG_DRIVER_DM9000
#include <net.h>
#include <netdev.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
static u32 gpmc_net_config[GPMC_MAX_REG] = {
NET_GPMC_CONFIG1,
NET_GPMC_CONFIG2,
NET_GPMC_CONFIG3,
NET_GPMC_CONFIG4,
NET_GPMC_CONFIG5,
NET_GPMC_CONFIG6,
0
};
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_DEVKIT8000;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
/* Configure GPMC registers for DM9000 */
static void gpmc_dm9000_config(void)
{
enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
CONFIG_DM9000_BASE, GPMC_SIZE_16M);
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
#ifdef CONFIG_DRIVER_DM9000
uchar enetaddr[6];
u32 die_id_0;
#endif
twl4030_power_init();
#ifdef CONFIG_TWL4030_LED
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
#endif
#ifdef CONFIG_DRIVER_DM9000
/* Configure GPMC registers for DM9000 */
enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
CONFIG_DM9000_BASE, GPMC_SIZE_16M);
/* Use OMAP DIE_ID as MAC address */
if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
printf("ethaddr not set, using Die ID\n");
die_id_0 = readl(&id_base->die_id_0);
enetaddr[0] = 0x02; /* locally administered */
enetaddr[1] = readl(&id_base->die_id_1) & 0xff;
enetaddr[2] = (die_id_0 & 0xff000000) >> 24;
enetaddr[3] = (die_id_0 & 0x00ff0000) >> 16;
enetaddr[4] = (die_id_0 & 0x0000ff00) >> 8;
enetaddr[5] = (die_id_0 & 0x000000ff);
eth_setenv_enetaddr("ethaddr", enetaddr);
}
#endif
dieid_num_r();
return 0;
}
/*
* Routine: set_muxconf_regs
* Description: 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)
{
MUX_DEVKIT8000();
}
#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0, 0, 0);
return 0;
}
#endif
#if defined(CONFIG_DRIVER_DM9000) & !defined(CONFIG_SPL_BUILD)
/*
* Routine: board_eth_init
* Description: Setting up the Ethernet hardware.
*/
int board_eth_init(bd_t *bis)
{
return dm9000_initialize(bis);
}
#endif
#ifdef CONFIG_SPL_OS_BOOT
/*
* Do board specific preperation before SPL
* Linux boot
*/
void spl_board_prepare_for_linux(void)
{
gpmc_dm9000_config();
}
/*
* devkit8000 specific implementation of spl_start_uboot()
*
* RETURN
* 0 if the button is not pressed
* 1 if the button is pressed
*/
int spl_start_uboot(void)
{
int val = 0;
if (!gpio_request(CONFIG_SPL_OS_BOOT_KEY, "U-Boot key")) {
gpio_direction_input(CONFIG_SPL_OS_BOOT_KEY);
val = gpio_get_value(CONFIG_SPL_OS_BOOT_KEY);
gpio_free(CONFIG_SPL_OS_BOOT_KEY);
}
return !val;
}
#endif
/*
* Routine: get_board_mem_timings
* Description: If we use SPL then there is no x-loader nor config header
* so we have to setup the DDR timings ourself on the first bank. This
* provides the timing values back to the function that configures
* the memory. We have either one or two banks of 128MB DDR.
*/
void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl,
u32 *mr)
{
/* General SDRC config */
*mcfg = MICRON_V_MCFG_165(128 << 20);
*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
/* AC timings */
*ctrla = MICRON_V_ACTIMA_165;
*ctrlb = MICRON_V_ACTIMB_165;
*mr = MICRON_V_MR_165;
}
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