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/*
* Copyright (C) 2007 Sascha Hauer, Pengutronix
* Copyright (C) 2011 Marc Kleine-Budde <mkl@pengutronix.de>
*
* 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.
*
*/
#include <common.h>
#include <environment.h>
#include <fcntl.h>
#include <fec.h>
#include <fs.h>
#include <init.h>
#include <nand.h>
#include <net.h>
#include <partition.h>
#include <sizes.h>
#include <generated/mach-types.h>
#include <mach/imx-regs.h>
#include <mach/iomux-mx53.h>
#include <mach/devices-imx53.h>
#include <mach/generic.h>
#include <mach/gpio.h>
#include <mach/imx-nand.h>
#include <mach/iim.h>
#include <asm/armlinux.h>
#include <asm/io.h>
#include <asm/mmu.h>
static struct fec_platform_data fec_info = {
.xcv_type = RMII,
};
static struct pad_desc loco_pads[] = {
/* UART1 */
MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
/* FEC */
MX53_PAD_FEC_MDC__FEC_MDC,
MX53_PAD_FEC_MDIO__FEC_MDIO,
MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
MX53_PAD_FEC_RX_ER__FEC_RX_ER,
MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
MX53_PAD_FEC_RXD1__FEC_RDATA_1,
MX53_PAD_FEC_RXD0__FEC_RDATA_0,
MX53_PAD_FEC_TX_EN__FEC_TX_EN,
MX53_PAD_FEC_TXD1__FEC_TDATA_1,
MX53_PAD_FEC_TXD0__FEC_TDATA_0,
/* FEC_nRST */
MX53_PAD_PATA_DA_0__GPIO7_6,
/* SD1 */
MX53_PAD_SD1_CMD__ESDHC1_CMD,
MX53_PAD_SD1_CLK__ESDHC1_CLK,
MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
/* SD1_CD */
MX53_PAD_EIM_DA13__GPIO3_13,
};
#ifdef CONFIG_MMU
static void loco_mmu_init(void)
{
mmu_init();
arm_create_section(0x70000000, 0x70000000, 512, PMD_SECT_DEF_CACHED);
arm_create_section(0x90000000, 0x70000000, 512, PMD_SECT_DEF_UNCACHED);
arm_create_section(0xb0000000, 0xb0000000, 512, PMD_SECT_DEF_CACHED);
arm_create_section(0xd0000000, 0xb0000000, 512, PMD_SECT_DEF_UNCACHED);
setup_dma_coherent(0x20000000);
mmu_enable();
}
#else
static void loco_mmu_init(void)
{
}
#endif
#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
static void loco_fec_reset(void)
{
gpio_direction_output(LOCO_FEC_PHY_RST, 0);
mdelay(1);
gpio_set_value(LOCO_FEC_PHY_RST, 1);
}
static int loco_devices_init(void)
{
struct device_d *sdram_dev;
loco_mmu_init();
sdram_dev = add_mem_device("ram0", 0x70000000, SZ_512M,
IORESOURCE_MEM_WRITEABLE);
armlinux_add_dram(sdram_dev);
sdram_dev = add_mem_device("ram1", 0xb0000000, SZ_512M,
IORESOURCE_MEM_WRITEABLE);
armlinux_add_dram(sdram_dev);
imx51_iim_register_fec_ethaddr();
imx53_add_fec(&fec_info);
imx53_add_mmc0(NULL);
loco_fec_reset();
armlinux_set_bootparams((void *)0x70000100);
armlinux_set_architecture(MACH_TYPE_MX53_LOCO);
loco_fec_reset();
return 0;
}
device_initcall(loco_devices_init);
static int loco_part_init(void)
{
devfs_add_partition("disk0", 0x00000, 0x40000, PARTITION_FIXED, "self0");
devfs_add_partition("disk0", 0x40000, 0x20000, PARTITION_FIXED, "env0");
return 0;
}
late_initcall(loco_part_init);
static int loco_console_init(void)
{
mxc_iomux_v3_setup_multiple_pads(loco_pads, ARRAY_SIZE(loco_pads));
imx53_add_uart0();
return 0;
}
console_initcall(loco_console_init);
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