240 lines
5.3 KiB
C
240 lines
5.3 KiB
C
/*
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* Copyright (C) 2007 Sascha Hauer, Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <common.h>
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#include <net.h>
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#include <init.h>
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#include <environment.h>
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#include <mach/imx-regs.h>
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#include <fec.h>
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#include <mach/gpio.h>
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#include <asm/armlinux.h>
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#include <generated/mach-types.h>
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#include <partition.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <nand.h>
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#include <spi/spi.h>
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#include <asm/io.h>
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#include <mach/imx-nand.h>
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#include <mach/imx-pll.h>
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#include <gpio.h>
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#include <asm/mmu.h>
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#include <usb/isp1504.h>
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#include <mach/iomux-mx27.h>
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static struct memory_platform_data ram_pdata = {
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.name = "ram0",
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.flags = DEVFS_RDWR,
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};
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static struct device_d sdram_dev = {
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.name = "mem",
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.map_base = 0xa0000000,
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.size = 128 * 1024 * 1024,
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.platform_data = &ram_pdata,
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};
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static struct fec_platform_data fec_info = {
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.xcv_type = MII100,
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.phy_addr = 1,
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};
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static struct device_d fec_dev = {
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.name = "fec_imx",
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.map_base = 0x1002b000,
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.platform_data = &fec_info,
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};
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struct imx_nand_platform_data nand_info = {
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.width = 1,
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.hw_ecc = 1,
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};
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static struct device_d nand_dev = {
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.name = "imx_nand",
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.map_base = 0xd8000000,
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.platform_data = &nand_info,
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};
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#ifdef CONFIG_USB
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static struct device_d usbh2_dev = {
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.name = "ehci",
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.map_base = IMX_OTG_BASE + 0x400,
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.size = 0x200,
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};
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static void pca100_usbh_init(void)
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{
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uint32_t temp;
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temp = readl(IMX_OTG_BASE + 0x600);
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temp &= ~((3 << 21) | 1);
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temp |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 11) | (1 << 20);
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writel(temp, IMX_OTG_BASE + 0x600);
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temp = readl(IMX_OTG_BASE + 0x584);
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temp &= ~(3 << 30);
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temp |= 2 << 30;
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writel(temp, IMX_OTG_BASE + 0x584);
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mdelay(10);
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gpio_direction_output(GPIO_PORTB + 24, 0);
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mdelay(10);
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isp1504_set_vbus_power((void *)(IMX_OTG_BASE + 0x570), 1);
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}
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#endif
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#ifdef CONFIG_MMU
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static void pca100_mmu_init(void)
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{
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mmu_init();
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arm_create_section(0xa0000000, 0xa0000000, 128, PMD_SECT_DEF_CACHED);
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arm_create_section(0xb0000000, 0xa0000000, 128, PMD_SECT_DEF_UNCACHED);
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setup_dma_coherent(0x10000000);
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#if TEXT_BASE & (0x100000 - 1)
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#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary
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#else
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arm_create_section(0x0, TEXT_BASE, 1, PMD_SECT_DEF_UNCACHED);
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#endif
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mmu_enable();
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}
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#else
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static void pca100_mmu_init(void)
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{
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}
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#endif
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static int pca100_devices_init(void)
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{
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int i;
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struct device_d *nand;
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unsigned int mode[] = {
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PD0_AIN_FEC_TXD0,
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PD1_AIN_FEC_TXD1,
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PD2_AIN_FEC_TXD2,
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PD3_AIN_FEC_TXD3,
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PD4_AOUT_FEC_RX_ER,
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PD5_AOUT_FEC_RXD1,
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PD6_AOUT_FEC_RXD2,
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PD7_AOUT_FEC_RXD3,
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PD8_AF_FEC_MDIO,
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PD9_AIN_FEC_MDC | GPIO_PUEN,
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PD10_AOUT_FEC_CRS,
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PD11_AOUT_FEC_TX_CLK,
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PD12_AOUT_FEC_RXD0,
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PD13_AOUT_FEC_RX_DV,
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PD14_AOUT_FEC_RX_CLK,
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PD15_AOUT_FEC_COL,
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PD16_AIN_FEC_TX_ER,
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PF23_AIN_FEC_TX_EN,
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PE12_PF_UART1_TXD,
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PE13_PF_UART1_RXD,
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PE14_PF_UART1_CTS,
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PE15_PF_UART1_RTS,
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PD25_PF_CSPI1_RDY,
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PD26_PF_CSPI1_SS2,
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PD27_PF_CSPI1_SS1,
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PD28_PF_CSPI1_SS0,
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PD29_PF_CSPI1_SCLK,
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PD30_PF_CSPI1_MISO,
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PD31_PF_CSPI1_MOSI,
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/* USB host 2 */
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PA0_PF_USBH2_CLK,
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PA1_PF_USBH2_DIR,
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PA2_PF_USBH2_DATA7,
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PA3_PF_USBH2_NXT,
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PA4_PF_USBH2_STP,
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PD19_AF_USBH2_DATA4,
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PD20_AF_USBH2_DATA3,
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PD21_AF_USBH2_DATA6,
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PD22_AF_USBH2_DATA0,
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PD23_AF_USBH2_DATA2,
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PD24_AF_USBH2_DATA1,
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PD26_AF_USBH2_DATA5,
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};
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/* disable the usb phys */
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imx_gpio_mode((GPIO_PORTB | 23) | GPIO_GPIO | GPIO_IN);
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gpio_direction_output(GPIO_PORTB + 23, 1);
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imx_gpio_mode((GPIO_PORTB | 24) | GPIO_GPIO | GPIO_IN);
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gpio_direction_output(GPIO_PORTB + 24, 1);
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/* initizalize gpios */
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for (i = 0; i < ARRAY_SIZE(mode); i++)
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imx_gpio_mode(mode[i]);
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register_device(&nand_dev);
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register_device(&sdram_dev);
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register_device(&fec_dev);
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PCCR1 |= PCCR1_PERCLK2_EN;
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#ifdef CONFIG_USB
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pca100_usbh_init();
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register_device(&usbh2_dev);
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#endif
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nand = get_device_by_name("nand0");
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devfs_add_partition("nand0", 0x00000, 0x40000, PARTITION_FIXED, "self_raw");
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dev_add_bb_dev("self_raw", "self0");
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devfs_add_partition("nand0", 0x40000, 0x20000, PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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armlinux_add_dram(&sdram_dev);
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armlinux_set_bootparams((void *)0xa0000100);
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armlinux_set_architecture(2149);
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return 0;
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}
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device_initcall(pca100_devices_init);
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static struct device_d pca100_serial_device = {
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.name = "imx_serial",
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.map_base = IMX_UART1_BASE,
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.size = 4096,
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};
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static int pca100_console_init(void)
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{
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pca100_mmu_init();
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register_device(&pca100_serial_device);
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return 0;
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}
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console_initcall(pca100_console_init);
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#ifdef CONFIG_NAND_IMX_BOOT
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void __bare_init nand_boot(void)
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{
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imx_nand_load_image((void *)TEXT_BASE, 256 * 1024);
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}
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#endif
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