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/*
* (C) Copyright 2011 Comelit Group SpA
* Luca Ceresoli <luca.ceresoli@comelit.it>
*
* Based on board/ti/beagle/beagle.c:
* (C) Copyright 2004-2008
* Texas Instruments, <www.ti.com>
*
* Author :
* Sunil Kumar <sunilsaini05@gmail.com>
* Shashi Ranjan <shashiranjanmca05@gmail.com>
*
* 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 <netdev.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/omap3-regs.h>
#include <asm/arch/mux.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/gpio.h>
#include <asm/mach-types.h>
#include "dig297.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_CMD_NET
static void setup_net_chip(void);
#define NET_LAN9221_RESET_GPIO 12
/* GPMC CS 5 connected to an SMSC LAN9220 ethernet controller */
#define NET_LAN9220_GPMC_CONFIG1 (DEVICESIZE_16BIT)
#define NET_LAN9220_GPMC_CONFIG2 (CSWROFFTIME(8) | \
CSRDOFFTIME(7) | \
ADVONTIME(1))
#define NET_LAN9220_GPMC_CONFIG3 (ADVWROFFTIME(2) | \
ADVRDOFFTIME(2) | \
ADVONTIME(1))
#define NET_LAN9220_GPMC_CONFIG4 (WEOFFTIME(8) | \
WEONTIME(1) | \
OEOFFTIME(7)| \
OEONTIME(1))
#define NET_LAN9220_GPMC_CONFIG5 (PAGEBURSTACCESSTIME(0) | \
RDACCESSTIME(6) | \
WRCYCLETIME(0x1D) | \
RDCYCLETIME(0x1D))
#define NET_LAN9220_GPMC_CONFIG6 ((1 << 31) | \
WRACCESSTIME(0x1D) | \
WRDATAONADMUXBUS(3))
static const u32 gpmc_lan_config[] = {
NET_LAN9220_GPMC_CONFIG1,
NET_LAN9220_GPMC_CONFIG2,
NET_LAN9220_GPMC_CONFIG3,
NET_LAN9220_GPMC_CONFIG4,
NET_LAN9220_GPMC_CONFIG5,
NET_LAN9220_GPMC_CONFIG6,
/* CONFIG7: computed by enable_gpmc_cs_config() */
};
#endif /* CONFIG_CMD_NET */
/*
* 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_OMAP3_CPS;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
twl4030_power_init();
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
/*
* GPIO list
* - 159 OUT (GPIO5+31): reset for remote camera interface connector.
* - 19 OUT (GPIO1+19): integrated speaker amplifier (1=on, 0=shdn).
* - 20 OUT (GPIO1+20): handset amplifier (1=on, 0=shdn).
*/
/* Configure GPIOs to output */
writel(~(GPIO19 | GPIO20), &gpio1_base->oe);
writel(~(GPIO31), &gpio5_base->oe);
/* Set GPIO values */
writel((GPIO19 | GPIO20), &gpio1_base->setdataout);
writel(0, &gpio5_base->setdataout);
#if defined(CONFIG_CMD_NET)
setup_net_chip();
#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_DIG297();
}
#ifdef CONFIG_GENERIC_MMC
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0);
return 0;
}
#endif
#ifdef CONFIG_CMD_NET
/*
* Routine: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the
* Ethernet hardware.
*/
static void setup_net_chip(void)
{
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
/* Configure GPMC registers */
enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
&ctrl_base->gpmc_nadv_ale);
/* Make GPIO 12 as output pin and send a magic pulse through it */
if (!omap_request_gpio(NET_LAN9221_RESET_GPIO)) {
omap_set_gpio_direction(NET_LAN9221_RESET_GPIO, 0);
omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 1);
udelay(1);
omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 0);
udelay(31000); /* Should be >= 30ms according to datasheet */
omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 1);
}
}
#endif /* CONFIG_CMD_NET */
int board_eth_init(bd_t *bis)
{
int rc = 0;
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
return rc;
}
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