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/*
* Copyright (C) 2007 Sascha Hauer, Pengutronix
*
* 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 <net.h>
#include <init.h>
#include <environment.h>
#include <mach/imx-regs.h>
#include <fec.h>
#include <mach/gpio.h>
#include <asm/armlinux.h>
#include <asm/mach-types.h>
#include <partition.h>
#include <fs.h>
#include <fcntl.h>
#include <nand.h>
#include <spi/spi.h>
#include <asm/io.h>
#include <mach/imx-nand.h>
#include <mach/imx-pll.h>
#include <gpio.h>
#include <asm/mmu.h>
#include <usb/isp1504.h>
#include <mach/iomux-mx27.h>
static struct memory_platform_data ram_pdata = {
.name = "ram0",
.flags = DEVFS_RDWR,
};
static struct device_d sdram_dev = {
.name = "mem",
.map_base = 0xa0000000,
.size = 128 * 1024 * 1024,
.platform_data = &ram_pdata,
};
static struct fec_platform_data fec_info = {
.xcv_type = MII100,
.phy_addr = 1,
};
static struct device_d fec_dev = {
.name = "fec_imx",
.map_base = 0x1002b000,
.platform_data = &fec_info,
};
struct imx_nand_platform_data nand_info = {
.width = 1,
.hw_ecc = 1,
};
static struct device_d nand_dev = {
.name = "imx_nand",
.map_base = 0xd8000000,
.platform_data = &nand_info,
};
#ifdef CONFIG_USB
static struct device_d usbh2_dev = {
.name = "ehci",
.map_base = IMX_OTG_BASE + 0x400,
.size = 0x200,
};
static void pca100_usbh_init(void)
{
uint32_t temp;
temp = readl(IMX_OTG_BASE + 0x600);
temp &= ~((3 << 21) | 1);
temp |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 11) | (1 << 20);
writel(temp, IMX_OTG_BASE + 0x600);
temp = readl(IMX_OTG_BASE + 0x584);
temp &= ~(3 << 30);
temp |= 2 << 30;
writel(temp, IMX_OTG_BASE + 0x584);
mdelay(10);
gpio_direction_output(GPIO_PORTB + 24, 0);
mdelay(10);
isp1504_set_vbus_power((void *)(IMX_OTG_BASE + 0x570), 1);
}
#endif
#ifdef CONFIG_MMU
static void pca100_mmu_init(void)
{
mmu_init();
arm_create_section(0xa0000000, 0xa0000000, 128, PMD_SECT_DEF_CACHED);
arm_create_section(0xb0000000, 0xa0000000, 128, PMD_SECT_DEF_UNCACHED);
setup_dma_coherent(0x10000000);
#if TEXT_BASE & (0x100000 - 1)
#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary
#else
arm_create_section(0x0, TEXT_BASE, 1, PMD_SECT_DEF_UNCACHED);
#endif
mmu_enable();
}
#else
static void pca100_mmu_init(void)
{
}
#endif
static int pca100_devices_init(void)
{
int i;
struct device_d *nand;
unsigned int mode[] = {
PD0_AIN_FEC_TXD0,
PD1_AIN_FEC_TXD1,
PD2_AIN_FEC_TXD2,
PD3_AIN_FEC_TXD3,
PD4_AOUT_FEC_RX_ER,
PD5_AOUT_FEC_RXD1,
PD6_AOUT_FEC_RXD2,
PD7_AOUT_FEC_RXD3,
PD8_AF_FEC_MDIO,
PD9_AIN_FEC_MDC | GPIO_PUEN,
PD10_AOUT_FEC_CRS,
PD11_AOUT_FEC_TX_CLK,
PD12_AOUT_FEC_RXD0,
PD13_AOUT_FEC_RX_DV,
PD14_AOUT_FEC_RX_CLK,
PD15_AOUT_FEC_COL,
PD16_AIN_FEC_TX_ER,
PF23_AIN_FEC_TX_EN,
PE12_PF_UART1_TXD,
PE13_PF_UART1_RXD,
PE14_PF_UART1_CTS,
PE15_PF_UART1_RTS,
PD25_PF_CSPI1_RDY,
PD26_PF_CSPI1_SS2,
PD27_PF_CSPI1_SS1,
PD28_PF_CSPI1_SS0,
PD29_PF_CSPI1_SCLK,
PD30_PF_CSPI1_MISO,
PD31_PF_CSPI1_MOSI,
/* USB host 2 */
PA0_PF_USBH2_CLK,
PA1_PF_USBH2_DIR,
PA2_PF_USBH2_DATA7,
PA3_PF_USBH2_NXT,
PA4_PF_USBH2_STP,
PD19_AF_USBH2_DATA4,
PD20_AF_USBH2_DATA3,
PD21_AF_USBH2_DATA6,
PD22_AF_USBH2_DATA0,
PD23_AF_USBH2_DATA2,
PD24_AF_USBH2_DATA1,
PD26_AF_USBH2_DATA5,
};
/* disable the usb phys */
imx_gpio_mode((GPIO_PORTB | 23) | GPIO_GPIO | GPIO_IN);
gpio_direction_output(GPIO_PORTB + 23, 1);
imx_gpio_mode((GPIO_PORTB | 24) | GPIO_GPIO | GPIO_IN);
gpio_direction_output(GPIO_PORTB + 24, 1);
/* initizalize gpios */
for (i = 0; i < ARRAY_SIZE(mode); i++)
imx_gpio_mode(mode[i]);
register_device(&nand_dev);
register_device(&sdram_dev);
register_device(&fec_dev);
PCCR1 |= PCCR1_PERCLK2_EN;
#ifdef CONFIG_USB
pca100_usbh_init();
register_device(&usbh2_dev);
#endif
nand = get_device_by_name("nand0");
devfs_add_partition("nand0", 0x00000, 0x40000, PARTITION_FIXED, "self_raw");
dev_add_bb_dev("self_raw", "self0");
devfs_add_partition("nand0", 0x40000, 0x20000, PARTITION_FIXED, "env_raw");
dev_add_bb_dev("env_raw", "env0");
armlinux_add_dram(&sdram_dev);
armlinux_set_bootparams((void *)0xa0000100);
armlinux_set_architecture(2149);
return 0;
}
device_initcall(pca100_devices_init);
static struct device_d pca100_serial_device = {
.name = "imx_serial",
.map_base = IMX_UART1_BASE,
.size = 4096,
};
static int pca100_console_init(void)
{
pca100_mmu_init();
register_device(&pca100_serial_device);
return 0;
}
console_initcall(pca100_console_init);
#ifdef CONFIG_NAND_IMX_BOOT
void __bare_init nand_boot(void)
{
imx_nand_load_image((void *)TEXT_BASE, 256 * 1024);
}
#endif
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