311 lines
6.7 KiB
C
311 lines
6.7 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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*
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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/imx27-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 <asm-generic/sections.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 <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 <mach/imxfb.h>
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#include <gpio.h>
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#include <asm/mmu.h>
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#include <usb/ulpi.h>
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#include <mach/iomux-mx27.h>
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#include <mach/devices-imx27.h>
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static struct fec_platform_data fec_info = {
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.xcv_type = PHY_INTERFACE_MODE_MII,
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.phy_addr = 1,
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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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.flash_bbt = 1,
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};
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static struct imx_fb_videomode imxfb_mode[] = {
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{
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.mode = {
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.name = "Primeview-PD050VL1",
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.refresh = 60,
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.xres = 640,
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.yres = 480,
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.pixclock = 40000, /* in ps (25MHz) */
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.hsync_len = 32,
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.left_margin = 112,
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.right_margin = 36,
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.vsync_len = 2,
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.upper_margin = 33,
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.lower_margin = 33,
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},
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.pcr = 0xF0C88080,
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.bpp = 16,
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}, {
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.mode = {
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.name = "Primeview-PD035VL1",
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.refresh = 60,
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.xres = 640,
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.yres = 480,
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.pixclock = 40000, /* in ps (25 MHz) */
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.hsync_len = 30,
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.left_margin = 98,
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.right_margin = 36,
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.vsync_len = 2,
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.upper_margin = 15,
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.lower_margin = 33,
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},
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.pcr = 0xF0C88080,
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.bpp = 16,
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}, {
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.mode = {
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.name = "Primeview-PD104SLF",
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.refresh = 60,
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.xres = 800,
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.yres = 600,
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.pixclock = 25000, /* in ps (40,0 MHz) */
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.hsync_len = 40,
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.left_margin = 174,
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.right_margin = 174,
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.vsync_len = 4,
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.upper_margin = 24,
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.lower_margin = 23,
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},
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.pcr = 0xF0C88080,
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.bpp = 16,
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}, {
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.mode = {
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.name = "Primeview-PM070WL4",
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.refresh = 60,
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.xres = 800,
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.yres = 480,
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.pixclock = 31250, /* in ps (32 MHz) */
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.hsync_len = 40,
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.left_margin = 174,
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.right_margin = 174,
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.vsync_len = 2,
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.upper_margin = 33,
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.lower_margin = 23,
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},
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.pcr = 0xF0C88080,
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.bpp = 16,
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},
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};
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static struct imx_fb_platform_data pca100_fb_data = {
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.mode = imxfb_mode,
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.num_modes = ARRAY_SIZE(imxfb_mode),
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.pwmr = 0x00A903FF,
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.lscr1 = 0x00120300,
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.dmacr = 0x00040060,
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};
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#ifdef CONFIG_USB
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static void pca100_usb_register(void)
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{
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mdelay(10);
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gpio_direction_output(GPIO_PORTB + 24, 0);
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gpio_direction_output(GPIO_PORTB + 23, 0);
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mdelay(10);
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ulpi_setup((void *)(MX27_USB_OTG_BASE_ADDR + 0x170), 1);
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add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, MX27_USB_OTG_BASE_ADDR, NULL);
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ulpi_setup((void *)(MX27_USB_OTG_BASE_ADDR + 0x570), 1);
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add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, MX27_USB_OTG_BASE_ADDR + 0x400, NULL);
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}
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#endif
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static void pca100_usb_init(void)
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{
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u32 reg;
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reg = readl(MX27_USB_OTG_BASE_ADDR + 0x600);
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reg &= ~((3 << 21) | 1);
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reg |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 11) | (1 << 20);
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writel(reg, MX27_USB_OTG_BASE_ADDR + 0x600);
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/*
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* switch usbotg and usbh2 to ulpi mode. Do this *before*
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* the iomux setup to prevent funny hardware bugs from
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* triggering. Also, do this even when USB support is
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* disabled to give Linux USB support a good start.
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*/
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reg = readl(MX27_USB_OTG_BASE_ADDR + 0x584);
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reg &= ~(3 << 30);
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reg |= 2 << 30;
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writel(reg, MX27_USB_OTG_BASE_ADDR + 0x584);
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reg = readl(MX27_USB_OTG_BASE_ADDR + 0x184);
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reg &= ~(3 << 30);
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reg |= 2 << 30;
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writel(reg, MX27_USB_OTG_BASE_ADDR + 0x184);
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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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}
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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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/* SDHC */
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PB4_PF_SD2_D0,
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PB5_PF_SD2_D1,
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PB6_PF_SD2_D2,
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PB7_PF_SD2_D3,
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PB8_PF_SD2_CMD,
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PB9_PF_SD2_CLK,
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PC7_PF_USBOTG_DATA5,
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PC8_PF_USBOTG_DATA6,
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PC9_PF_USBOTG_DATA0,
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PC10_PF_USBOTG_DATA2,
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PC11_PF_USBOTG_DATA1,
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PC12_PF_USBOTG_DATA4,
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PC13_PF_USBOTG_DATA3,
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PE0_PF_USBOTG_NXT,
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PE1_PF_USBOTG_STP,
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PE2_PF_USBOTG_DIR,
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PE24_PF_USBOTG_CLK,
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PE25_PF_USBOTG_DATA7,
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/* display */
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PA5_PF_LSCLK,
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PA6_PF_LD0,
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PA7_PF_LD1,
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PA8_PF_LD2,
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PA9_PF_LD3,
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PA10_PF_LD4,
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PA11_PF_LD5,
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PA12_PF_LD6,
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PA13_PF_LD7,
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PA14_PF_LD8,
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PA15_PF_LD9,
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PA16_PF_LD10,
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PA17_PF_LD11,
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PA18_PF_LD12,
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PA19_PF_LD13,
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PA20_PF_LD14,
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PA21_PF_LD15,
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PA22_PF_LD16,
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PA23_PF_LD17,
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PA26_PF_PS,
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PA28_PF_HSYNC,
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PA29_PF_VSYNC,
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PA31_PF_OE_ACD,
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/* external I2C */
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PD17_PF_I2C_DATA,
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PD18_PF_I2C_CLK,
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};
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pca100_usb_init();
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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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imx27_add_nand(&nand_info);
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imx27_add_fec(&fec_info);
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imx27_add_mmc1(NULL);
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imx27_add_fb(&pca100_fb_data);
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#ifdef CONFIG_USB
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pca100_usb_register();
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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, DEVFS_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, DEVFS_PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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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 int pca100_console_init(void)
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{
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imx27_add_uart0();
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return 0;
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}
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console_initcall(pca100_console_init);
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