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u-boot/board/cm_t35/cm_t35.c
Tom Rini 28fed36235 OMAP3: CM-T35: Use generic MMC driver 
Switch from the legacy omap3 mmc driver to the new generic omap hsmmc
driver.  This patch is based on the work done for Beagle, etc.

Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2011-09-04 11:36:17 +02:00

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/*
* (C) Copyright 2011
* CompuLab, Ltd. <www.compulab.co.il>
*
* Authors: Mike Rapoport <mike@compulab.co.il>
* Igor Grinberg <grinberg@compulab.co.il>
*
* Derived from omap3evm and Beagle Board by
* Manikandan Pillai <mani.pillai@ti.com>
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <x0khasim@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.
*/
#include <common.h>
#include <status_led.h>
#include <netdev.h>
#include <net.h>
#include <i2c.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-types.h>
DECLARE_GLOBAL_DATA_PTR;
const omap3_sysinfo sysinfo = {
DDR_DISCRETE,
"CM-T3x board",
"NAND",
};
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
};
static u32 gpmc_nand_config[GPMC_MAX_REG] = {
SMNAND_GPMC_CONFIG1,
SMNAND_GPMC_CONFIG2,
SMNAND_GPMC_CONFIG3,
SMNAND_GPMC_CONFIG4,
SMNAND_GPMC_CONFIG5,
SMNAND_GPMC_CONFIG6,
0,
};
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
enable_gpmc_cs_config(gpmc_nand_config, &gpmc_cfg->cs[0],
CONFIG_SYS_NAND_BASE, GPMC_SIZE_16M);
/* board id for Linux */
if (get_cpu_family() == CPU_OMAP34XX)
gd->bd->bi_arch_number = MACH_TYPE_CM_T35;
else
gd->bd->bi_arch_number = MACH_TYPE_CM_T3730;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
#endif
return 0;
}
/*
* Routine: misc_init_r
* Description: display die ID
*/
int misc_init_r(void)
{
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.
*/
static void cm_t3x_set_common_muxconf(void)
{
/* SDRC */
MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)); /*SDRC_D0*/
MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)); /*SDRC_D1*/
MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)); /*SDRC_D2*/
MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)); /*SDRC_D3*/
MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)); /*SDRC_D4*/
MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)); /*SDRC_D5*/
MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)); /*SDRC_D6*/
MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)); /*SDRC_D7*/
MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)); /*SDRC_D8*/
MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)); /*SDRC_D9*/
MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)); /*SDRC_D10*/
MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)); /*SDRC_D11*/
MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)); /*SDRC_D12*/
MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)); /*SDRC_D13*/
MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)); /*SDRC_D14*/
MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)); /*SDRC_D15*/
MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)); /*SDRC_D16*/
MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)); /*SDRC_D17*/
MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)); /*SDRC_D18*/
MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)); /*SDRC_D19*/
MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)); /*SDRC_D20*/
MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)); /*SDRC_D21*/
MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)); /*SDRC_D22*/
MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)); /*SDRC_D23*/
MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)); /*SDRC_D24*/
MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)); /*SDRC_D25*/
MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)); /*SDRC_D26*/
MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)); /*SDRC_D27*/
MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)); /*SDRC_D28*/
MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)); /*SDRC_D29*/
MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)); /*SDRC_D30*/
MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)); /*SDRC_D31*/
MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)); /*SDRC_CLK*/
MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)); /*SDRC_DQS0*/
MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)); /*SDRC_DQS1*/
MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)); /*SDRC_DQS2*/
MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)); /*SDRC_DQS3*/
MUX_VAL(CP(SDRC_CKE0), (IDIS | PTU | EN | M0)); /*SDRC_CKE0*/
MUX_VAL(CP(SDRC_CKE1), (IDIS | PTD | DIS | M7)); /*SDRC_CKE1*/
/* GPMC */
MUX_VAL(CP(GPMC_A1), (IDIS | PTU | EN | M0)); /*GPMC_A1*/
MUX_VAL(CP(GPMC_A2), (IDIS | PTU | EN | M0)); /*GPMC_A2*/
MUX_VAL(CP(GPMC_A3), (IDIS | PTU | EN | M0)); /*GPMC_A3*/
MUX_VAL(CP(GPMC_A4), (IDIS | PTU | EN | M0)); /*GPMC_A4*/
MUX_VAL(CP(GPMC_A5), (IDIS | PTU | EN | M0)); /*GPMC_A5*/
MUX_VAL(CP(GPMC_A6), (IDIS | PTU | EN | M0)); /*GPMC_A6*/
MUX_VAL(CP(GPMC_A7), (IDIS | PTU | EN | M0)); /*GPMC_A7*/
MUX_VAL(CP(GPMC_A8), (IDIS | PTU | EN | M0)); /*GPMC_A8*/
MUX_VAL(CP(GPMC_A9), (IDIS | PTU | EN | M0)); /*GPMC_A9*/
MUX_VAL(CP(GPMC_A10), (IDIS | PTU | EN | M0)); /*GPMC_A10*/
MUX_VAL(CP(GPMC_D0), (IEN | PTU | EN | M0)); /*GPMC_D0*/
MUX_VAL(CP(GPMC_D1), (IEN | PTU | EN | M0)); /*GPMC_D1*/
MUX_VAL(CP(GPMC_D2), (IEN | PTU | EN | M0)); /*GPMC_D2*/
MUX_VAL(CP(GPMC_D3), (IEN | PTU | EN | M0)); /*GPMC_D3*/
MUX_VAL(CP(GPMC_D4), (IEN | PTU | EN | M0)); /*GPMC_D4*/
MUX_VAL(CP(GPMC_D5), (IEN | PTU | EN | M0)); /*GPMC_D5*/
MUX_VAL(CP(GPMC_D6), (IEN | PTU | EN | M0)); /*GPMC_D6*/
MUX_VAL(CP(GPMC_D7), (IEN | PTU | EN | M0)); /*GPMC_D7*/
MUX_VAL(CP(GPMC_D8), (IEN | PTU | EN | M0)); /*GPMC_D8*/
MUX_VAL(CP(GPMC_D9), (IEN | PTU | EN | M0)); /*GPMC_D9*/
MUX_VAL(CP(GPMC_D10), (IEN | PTU | EN | M0)); /*GPMC_D10*/
MUX_VAL(CP(GPMC_D11), (IEN | PTU | EN | M0)); /*GPMC_D11*/
MUX_VAL(CP(GPMC_D12), (IEN | PTU | EN | M0)); /*GPMC_D12*/
MUX_VAL(CP(GPMC_D13), (IEN | PTU | EN | M0)); /*GPMC_D13*/
MUX_VAL(CP(GPMC_D14), (IEN | PTU | EN | M0)); /*GPMC_D14*/
MUX_VAL(CP(GPMC_D15), (IEN | PTU | EN | M0)); /*GPMC_D15*/
MUX_VAL(CP(GPMC_NCS0), (IDIS | PTU | EN | M0)); /*GPMC_nCS0*/
/* SB-T35 Ethernet */
MUX_VAL(CP(GPMC_NCS4), (IEN | PTU | EN | M0)); /*GPMC_nCS4*/
/* CM-T3x Ethernet */
MUX_VAL(CP(GPMC_NCS5), (IDIS | PTU | DIS | M0)); /*GPMC_nCS5*/
MUX_VAL(CP(GPMC_CLK), (IEN | PTD | DIS | M4)); /*GPIO_59*/
MUX_VAL(CP(GPMC_NADV_ALE), (IDIS | PTD | DIS | M0)); /*nADV_ALE*/
MUX_VAL(CP(GPMC_NOE), (IDIS | PTD | DIS | M0)); /*nOE*/
MUX_VAL(CP(GPMC_NWE), (IDIS | PTD | DIS | M0)); /*nWE*/
MUX_VAL(CP(GPMC_NBE0_CLE), (IDIS | PTU | EN | M0)); /*nBE0_CLE*/
MUX_VAL(CP(GPMC_NBE1), (IDIS | PTD | DIS | M4)); /*GPIO_61*/
MUX_VAL(CP(GPMC_NWP), (IEN | PTD | DIS | M0)); /*nWP*/
MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)); /*WAIT0*/
/* DSS */
MUX_VAL(CP(DSS_PCLK), (IDIS | PTD | DIS | M0)); /*DSS_PCLK*/
MUX_VAL(CP(DSS_HSYNC), (IDIS | PTD | DIS | M0)); /*DSS_HSYNC*/
MUX_VAL(CP(DSS_VSYNC), (IDIS | PTD | DIS | M0)); /*DSS_VSYNC*/
MUX_VAL(CP(DSS_ACBIAS), (IDIS | PTD | DIS | M0)); /*DSS_ACBIAS*/
MUX_VAL(CP(DSS_DATA6), (IDIS | PTD | DIS | M0)); /*DSS_DATA6*/
MUX_VAL(CP(DSS_DATA7), (IDIS | PTD | DIS | M0)); /*DSS_DATA7*/
MUX_VAL(CP(DSS_DATA8), (IDIS | PTD | DIS | M0)); /*DSS_DATA8*/
MUX_VAL(CP(DSS_DATA9), (IDIS | PTD | DIS | M0)); /*DSS_DATA9*/
MUX_VAL(CP(DSS_DATA10), (IDIS | PTD | DIS | M0)); /*DSS_DATA10*/
MUX_VAL(CP(DSS_DATA11), (IDIS | PTD | DIS | M0)); /*DSS_DATA11*/
MUX_VAL(CP(DSS_DATA12), (IDIS | PTD | DIS | M0)); /*DSS_DATA12*/
MUX_VAL(CP(DSS_DATA13), (IDIS | PTD | DIS | M0)); /*DSS_DATA13*/
MUX_VAL(CP(DSS_DATA14), (IDIS | PTD | DIS | M0)); /*DSS_DATA14*/
MUX_VAL(CP(DSS_DATA15), (IDIS | PTD | DIS | M0)); /*DSS_DATA15*/
MUX_VAL(CP(DSS_DATA16), (IDIS | PTD | DIS | M0)); /*DSS_DATA16*/
MUX_VAL(CP(DSS_DATA17), (IDIS | PTD | DIS | M0)); /*DSS_DATA17*/
/* serial interface */
MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)); /*UART3_RX*/
MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)); /*UART3_TX*/
/* mUSB */
MUX_VAL(CP(HSUSB0_CLK), (IEN | PTD | DIS | M0)); /*HSUSB0_CLK*/
MUX_VAL(CP(HSUSB0_STP), (IDIS | PTU | EN | M0)); /*HSUSB0_STP*/
MUX_VAL(CP(HSUSB0_DIR), (IEN | PTD | DIS | M0)); /*HSUSB0_DIR*/
MUX_VAL(CP(HSUSB0_NXT), (IEN | PTD | DIS | M0)); /*HSUSB0_NXT*/
MUX_VAL(CP(HSUSB0_DATA0), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA0*/
MUX_VAL(CP(HSUSB0_DATA1), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA1*/
MUX_VAL(CP(HSUSB0_DATA2), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA2*/
MUX_VAL(CP(HSUSB0_DATA3), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA3*/
MUX_VAL(CP(HSUSB0_DATA4), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA4*/
MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA5*/
MUX_VAL(CP(HSUSB0_DATA6), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA6*/
MUX_VAL(CP(HSUSB0_DATA7), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA7*/
/* I2C1 */
MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)); /*I2C1_SCL*/
MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)); /*I2C1_SDA*/
/* control and debug */
MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)); /*SYS_32K*/
MUX_VAL(CP(SYS_CLKREQ), (IEN | PTD | DIS | M0)); /*SYS_CLKREQ*/
MUX_VAL(CP(SYS_NIRQ), (IEN | PTU | EN | M0)); /*SYS_nIRQ*/
MUX_VAL(CP(SYS_OFF_MODE), (IEN | PTD | DIS | M0)); /*OFF_MODE*/
MUX_VAL(CP(SYS_CLKOUT1), (IEN | PTD | DIS | M0)); /*CLKOUT1*/
MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTU | DIS | M4)); /*green LED*/
MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)); /*JTAG_nTRST*/
MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)); /*JTAG_TCK*/
MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)); /*JTAG_TMS*/
MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)); /*JTAG_TDI*/
/* MMC1 */
MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)); /*MMC1_CLK*/
MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)); /*MMC1_CMD*/
MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)); /*MMC1_DAT0*/
MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)); /*MMC1_DAT1*/
MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)); /*MMC1_DAT2*/
MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)); /*MMC1_DAT3*/
}
static void cm_t35_set_muxconf(void)
{
/* DSS */
MUX_VAL(CP(DSS_DATA0), (IDIS | PTD | DIS | M0)); /*DSS_DATA0*/
MUX_VAL(CP(DSS_DATA1), (IDIS | PTD | DIS | M0)); /*DSS_DATA1*/
MUX_VAL(CP(DSS_DATA2), (IDIS | PTD | DIS | M0)); /*DSS_DATA2*/
MUX_VAL(CP(DSS_DATA3), (IDIS | PTD | DIS | M0)); /*DSS_DATA3*/
MUX_VAL(CP(DSS_DATA4), (IDIS | PTD | DIS | M0)); /*DSS_DATA4*/
MUX_VAL(CP(DSS_DATA5), (IDIS | PTD | DIS | M0)); /*DSS_DATA5*/
MUX_VAL(CP(DSS_DATA18), (IDIS | PTD | DIS | M0)); /*DSS_DATA18*/
MUX_VAL(CP(DSS_DATA19), (IDIS | PTD | DIS | M0)); /*DSS_DATA19*/
MUX_VAL(CP(DSS_DATA20), (IDIS | PTD | DIS | M0)); /*DSS_DATA20*/
MUX_VAL(CP(DSS_DATA21), (IDIS | PTD | DIS | M0)); /*DSS_DATA21*/
MUX_VAL(CP(DSS_DATA22), (IDIS | PTD | DIS | M0)); /*DSS_DATA22*/
MUX_VAL(CP(DSS_DATA23), (IDIS | PTD | DIS | M0)); /*DSS_DATA23*/
/* MMC1 */
MUX_VAL(CP(MMC1_DAT4), (IEN | PTU | EN | M0)); /*MMC1_DAT4*/
MUX_VAL(CP(MMC1_DAT5), (IEN | PTU | EN | M0)); /*MMC1_DAT5*/
MUX_VAL(CP(MMC1_DAT6), (IEN | PTU | EN | M0)); /*MMC1_DAT6*/
MUX_VAL(CP(MMC1_DAT7), (IEN | PTU | EN | M0)); /*MMC1_DAT7*/
}
static void cm_t3730_set_muxconf(void)
{
/* DSS */
MUX_VAL(CP(DSS_DATA18), (IDIS | PTD | DIS | M3)); /*DSS_DATA0*/
MUX_VAL(CP(DSS_DATA19), (IDIS | PTD | DIS | M3)); /*DSS_DATA1*/
MUX_VAL(CP(DSS_DATA20), (IDIS | PTD | DIS | M3)); /*DSS_DATA2*/
MUX_VAL(CP(DSS_DATA21), (IDIS | PTD | DIS | M3)); /*DSS_DATA3*/
MUX_VAL(CP(DSS_DATA22), (IDIS | PTD | DIS | M3)); /*DSS_DATA4*/
MUX_VAL(CP(DSS_DATA23), (IDIS | PTD | DIS | M3)); /*DSS_DATA5*/
MUX_VAL(CP(SYS_BOOT0), (IDIS | PTD | DIS | M3)); /*DSS_DATA18*/
MUX_VAL(CP(SYS_BOOT1), (IDIS | PTD | DIS | M3)); /*DSS_DATA19*/
MUX_VAL(CP(SYS_BOOT3), (IDIS | PTD | DIS | M3)); /*DSS_DATA20*/
MUX_VAL(CP(SYS_BOOT4), (IDIS | PTD | DIS | M3)); /*DSS_DATA21*/
MUX_VAL(CP(SYS_BOOT5), (IDIS | PTD | DIS | M3)); /*DSS_DATA22*/
MUX_VAL(CP(SYS_BOOT6), (IDIS | PTD | DIS | M3)); /*DSS_DATA23*/
}
void set_muxconf_regs(void)
{
cm_t3x_set_common_muxconf();
if (get_cpu_family() == CPU_OMAP34XX)
cm_t35_set_muxconf();
else
cm_t3730_set_muxconf();
}
#ifdef CONFIG_GENERIC_MMC
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0);
return 0;
}
#endif
/*
* Routine: setup_net_chip_gmpc
* Description: Setting up the configuration GPMC registers specific to the
* Ethernet hardware.
*/
static void setup_net_chip_gmpc(void)
{
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[5],
CM_T3X_SMC911X_BASE, GPMC_SIZE_16M);
enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[4],
SB_T35_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);
}
#ifdef CONFIG_DRIVER_OMAP34XX_I2C
/*
* Routine: reset_net_chip
* Description: reset the Ethernet controller via TPS65930 GPIO
*/
static void reset_net_chip(void)
{
/* Set GPIO1 of TPS65930 as output */
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
TWL4030_BASEADD_GPIO+0x03);
/* Send a pulse on the GPIO pin */
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
TWL4030_BASEADD_GPIO+0x0C);
udelay(1);
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
TWL4030_BASEADD_GPIO+0x09);
udelay(1);
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
TWL4030_BASEADD_GPIO+0x0C);
}
#else
static inline void reset_net_chip(void) {}
#endif
/*
* Routine: handle_mac_address
* Description: prepare MAC address for on-board Ethernet.
*/
static int handle_mac_address(void)
{
unsigned char enetaddr[6];
int rc;
rc = eth_getenv_enetaddr("ethaddr", enetaddr);
if (rc)
return 0;
#ifdef CONFIG_DRIVER_OMAP34XX_I2C
rc = i2c_read(0x50, 0, 1, enetaddr, 6);
if (rc)
return rc;
#endif
if (!is_valid_ether_addr(enetaddr))
return -1;
return eth_setenv_enetaddr("ethaddr", enetaddr);
}
/*
* Routine: board_eth_init
* Description: initialize module and base-board Ethernet chips
*/
int board_eth_init(bd_t *bis)
{
int rc = 0, rc1 = 0;
#ifdef CONFIG_SMC911X
setup_net_chip_gmpc();
reset_net_chip();
rc1 = handle_mac_address();
if (rc1)
printf("CM-T3x: No MAC address found\n");
rc1 = smc911x_initialize(0, CM_T3X_SMC911X_BASE);
if (rc1 > 0)
rc++;
rc1 = smc911x_initialize(1, SB_T35_SMC911X_BASE);
if (rc1 > 0)
rc++;
#endif
return rc;
}
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