twister.c
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/*
* Copyright (C) 2011
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* Copyright (C) 2009 TechNexion Ltd.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/omap_gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <i2c.h>
#include <spl.h>
#include <mmc.h>
#include <asm/gpio.h>
#ifdef CONFIG_USB_EHCI_HCD
#include <usb.h>
#include <asm/ehci-omap.h>
#endif
#include "twister.h"
DECLARE_GLOBAL_DATA_PTR;
/* Timing definitions for Ethernet Controller */
static const u32 gpmc_smc911[] = {
NET_GPMC_CONFIG1,
NET_GPMC_CONFIG2,
NET_GPMC_CONFIG3,
NET_GPMC_CONFIG4,
NET_GPMC_CONFIG5,
NET_GPMC_CONFIG6,
};
static const u32 gpmc_XR16L2751[] = {
XR16L2751_GPMC_CONFIG1,
XR16L2751_GPMC_CONFIG2,
XR16L2751_GPMC_CONFIG3,
XR16L2751_GPMC_CONFIG4,
XR16L2751_GPMC_CONFIG5,
XR16L2751_GPMC_CONFIG6,
};
#ifdef CONFIG_USB_EHCI_HCD
static struct omap_usbhs_board_data usbhs_bdata = {
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
};
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
}
int ehci_hcd_stop(int index)
{
return omap_ehci_hcd_stop();
}
#endif
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
/* Chip select 1 and 3 are used for XR16L2751 UART controller */
enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[1],
XR16L2751_UART1_BASE, GPMC_SIZE_16M);
enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[3],
XR16L2751_UART2_BASE, GPMC_SIZE_16M);
gpio_request(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, "USB_PHY1_RESET");
gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1);
return 0;
}
#ifndef CONFIG_SPL_BUILD
int misc_init_r(void)
{
char *eth_addr;
struct tam3517_module_info info;
int ret;
omap_die_id_display();
eth_addr = env_get("ethaddr");
if (eth_addr)
return 0;
TAM3517_READ_EEPROM(&info, ret);
if (!ret)
TAM3517_READ_MAC_FROM_EEPROM(&info);
return 0;
}
#endif
/*
* 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_TWISTER();
}
int board_eth_init(bd_t *bis)
{
davinci_emac_initialize();
/* init cs for extern lan */
enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0)
printf("\nError initializing SMC911x controlleri\n");
return 0;
}
#if defined(CONFIG_MMC_OMAP_HS) && \
!defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
return omap_mmc_init(0, 0, 0, -1, -1);
}
#endif
#ifdef CONFIG_SPL_OS_BOOT
/*
* Do board specific preparation before SPL
* Linux boot
*/
void spl_board_prepare_for_linux(void)
{
/* init cs for extern lan */
enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
}
int spl_start_uboot(void)
{
int val = 0;
if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) {
gpio_direction_input(SPL_OS_BOOT_KEY);
val = gpio_get_value(SPL_OS_BOOT_KEY);
gpio_free(SPL_OS_BOOT_KEY);
}
return val;
}
#endif