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/*
* (C) Copyright 2009
* Logic Product Development, <www.logicpd.com>
*
* Author :
* Peter Barada <peterb@logicpd.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/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/gpio.h>
#include <asm/mach-types.h>
#include "logic.h"
/*
* Routine: logic_identify
* Description: Detect if we are running on a Logic or Torpedo.
* This can be done by GPIO_189. If its low after driving it high,
* then its an LOGIC, else Torpedo.
*/
unsigned int logic_identify(void)
{
unsigned int val;
int i;
MUX_LOGIC_HSUSB0_D5_GPIO_MUX();
if (!omap_request_gpio(189)) {
omap_set_gpio_direction(189, 0);
omap_set_gpio_dataout(189, 1);
// Let it soak for a bit
for (i=0; i<0x100; ++i)
asm("nop");
omap_set_gpio_direction(189, 1);
val = omap_get_gpio_datain(189);
omap_free_gpio(189);
}
printf("Board: ");
if (val) {
printf("Torpedo\n");
val = MACH_TYPE_OMAP3_TORPEDO;
} else {
printf("LV SOM\n");
val = MACH_TYPE_OMAP3530_LV_SOM;
}
return val;
}
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux (placeholder until can ID board) */
gd->bd->bi_arch_number = MACH_TYPE_OMAP3530_LV_SOM;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
static void setup_net_chip(void);
static void setup_isp1760_chip(void);
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
DECLARE_GLOBAL_DATA_PTR;
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
#ifdef CONFIG_DRIVER_OMAP34XX_I2C
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
#endif
#if defined(CONFIG_CMD_NET)
setup_net_chip();
#endif
/* Setup access to the isp1760 chip on CS6 */
setup_isp1760_chip();
twl4030_power_init();
twl4030_led_init();
/* Configure GPIOs to output */
writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
/* Set GPIOs */
writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
&gpio6_base->setdataout);
writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
gd->bd->bi_arch_number = logic_identify();
/* Switch to Hardware ECC mode */
omap_nand_switch_ecc(1);
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_LOGIC();
}
// GPMC settings for LV SOM Ethernet chip
#define LOGIC_NET_GPMC_CONFIG1 0x00001000
#define LOGIC_NET_GPMC_CONFIG2 0x00080802
#define LOGIC_NET_GPMC_CONFIG3 0x00000000
#define LOGIC_NET_GPMC_CONFIG4 0x08020802
#define LOGIC_NET_GPMC_CONFIG5 0x00080a0a
#define LOGIC_NET_GPMC_CONFIG6 0x00000000
#define LOGIC_NET_GPMC_CONFIG7 0x00000f48
/*
* 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 */
writel(LOGIC_NET_GPMC_CONFIG1, &gpmc_cfg->cs[1].config1);
writel(LOGIC_NET_GPMC_CONFIG2, &gpmc_cfg->cs[1].config2);
writel(LOGIC_NET_GPMC_CONFIG3, &gpmc_cfg->cs[1].config3);
writel(LOGIC_NET_GPMC_CONFIG4, &gpmc_cfg->cs[1].config4);
writel(LOGIC_NET_GPMC_CONFIG5, &gpmc_cfg->cs[1].config5);
writel(LOGIC_NET_GPMC_CONFIG6, &gpmc_cfg->cs[1].config6);
writel(LOGIC_NET_GPMC_CONFIG7, &gpmc_cfg->cs[1].config7);
/* 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);
}
// GPMC settings for LOGIC 1760 chip
#define LOGIC_ISP1760_GPMC_CONFIG1 0x00001200
#define LOGIC_ISP1760_GPMC_CONFIG2 0x00090901
#define LOGIC_ISP1760_GPMC_CONFIG3 0x00091001
#define LOGIC_ISP1760_GPMC_CONFIG4 0x07031002
#define LOGIC_ISP1760_GPMC_CONFIG5 0x00080c0a
#define LOGIC_ISP1760_GPMC_CONFIG6 0x08030200
#define LOGIC_ISP1760_GPMC_CONFIG7 0x00000f5c
/*
* Routine: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the
* Ethernet hardware.
*/
static void setup_isp1760_chip(void)
{
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
/* Configure GPMC registers */
writel(LOGIC_ISP1760_GPMC_CONFIG1, &gpmc_cfg->cs[6].config1);
writel(LOGIC_ISP1760_GPMC_CONFIG2, &gpmc_cfg->cs[6].config2);
writel(LOGIC_ISP1760_GPMC_CONFIG3, &gpmc_cfg->cs[6].config3);
writel(LOGIC_ISP1760_GPMC_CONFIG4, &gpmc_cfg->cs[6].config4);
writel(LOGIC_ISP1760_GPMC_CONFIG5, &gpmc_cfg->cs[6].config5);
writel(LOGIC_ISP1760_GPMC_CONFIG6, &gpmc_cfg->cs[6].config6);
writel(LOGIC_ISP1760_GPMC_CONFIG7, &gpmc_cfg->cs[6].config7);
}
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_SMC911X
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
#endif
return rc;
}
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