268 lines
6.3 KiB
C
268 lines
6.3 KiB
C
/*
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* (C) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
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* (c) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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 <init.h>
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#include <driver.h>
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#include <environment.h>
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#include <mach/imx-regs.h>
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#include <asm/armlinux.h>
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#include <asm/barebox-arm.h>
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#include <asm-generic/sections.h>
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#include <mach/gpio.h>
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#include <io.h>
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#include <asm/mmu.h>
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#include <led.h>
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#include <partition.h>
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#include <generated/mach-types.h>
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#include <mach/imx-nand.h>
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#include <mach/imxfb.h>
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#include <mach/iim.h>
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#include <fec.h>
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#include <nand.h>
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#include <mach/imx-flash-header.h>
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#include <mach/iomux-mx25.h>
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#include <i2c/i2c.h>
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#include <usb/fsl_usb2.h>
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#include <mach/usb.h>
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#include <mach/devices-imx25.h>
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#include <asm/barebox-arm-head.h>
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static struct fec_platform_data fec_info = {
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.xcv_type = RMII,
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.phy_addr = 0,
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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 imx_fb_videomode imxfb_mode = {
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.mode = {
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.name = "CMO-QVGA",
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.refresh = 60,
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.xres = 320,
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.yres = 240,
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.pixclock = KHZ2PICOS(6500),
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.hsync_len = 30,
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.left_margin = 38,
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.right_margin = 20,
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.vsync_len = 3,
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.upper_margin = 15,
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.lower_margin = 4,
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},
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.pcr = 0xCAD08B80,
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.bpp = 16,
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};
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static struct imx_fb_platform_data eukrea_cpuimx25_fb_data = {
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.mode = &imxfb_mode,
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.num_modes = 1,
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.pwmr = 0x00A903FF,
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.lscr1 = 0x00120300,
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.dmacr = 0x80040060,
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};
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struct gpio_led led0 = {
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.gpio = 2 * 32 + 19,
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.active_low = 1,
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};
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#ifdef CONFIG_USB
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static void imx25_usb_init(void)
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{
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unsigned int tmp;
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/* Host 1 */
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tmp = readl(IMX_OTG_BASE + 0x600);
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tmp &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT |
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MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);
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tmp |= (MXC_EHCI_INTERFACE_SINGLE_UNI) << MX35_H1_SIC_SHIFT;
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tmp |= MX35_H1_USBTE_BIT;
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tmp |= MX35_H1_IPPUE_DOWN_BIT;
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writel(tmp, IMX_OTG_BASE + 0x600);
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tmp = readl(IMX_OTG_BASE + 0x584);
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tmp |= 3 << 30;
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writel(tmp, IMX_OTG_BASE + 0x584);
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/* Set to Host mode */
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tmp = readl(IMX_OTG_BASE + 0x5a8);
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writel(tmp | 0x3, IMX_OTG_BASE + 0x5a8);
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}
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#endif
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static struct fsl_usb2_platform_data usb_pdata = {
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.operating_mode = FSL_USB2_DR_DEVICE,
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.phy_mode = FSL_USB2_PHY_UTMI,
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};
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static int eukrea_cpuimx25_mem_init(void)
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{
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arm_add_mem_device("ram0", IMX_SDRAM_CS0, 64 * 1024 * 1024);
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return 0;
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}
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mem_initcall(eukrea_cpuimx25_mem_init);
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static iomux_v3_cfg_t eukrea_cpuimx25_pads[] = {
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MX25_PAD_FEC_MDC__FEC_MDC,
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MX25_PAD_FEC_MDIO__FEC_MDIO,
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MX25_PAD_FEC_RDATA0__FEC_RDATA0,
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MX25_PAD_FEC_RDATA1__FEC_RDATA1,
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MX25_PAD_FEC_RX_DV__FEC_RX_DV,
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MX25_PAD_FEC_TDATA0__FEC_TDATA0,
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MX25_PAD_FEC_TDATA1__FEC_TDATA1,
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MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
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MX25_PAD_FEC_TX_EN__FEC_TX_EN,
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/* UART1 */
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MX25_PAD_UART1_RXD__UART1_RXD,
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MX25_PAD_UART1_TXD__UART1_TXD,
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MX25_PAD_UART1_RTS__UART1_RTS,
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MX25_PAD_UART1_CTS__UART1_CTS,
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/* LCDC */
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MX25_PAD_LD0__LD0,
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MX25_PAD_LD1__LD1,
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MX25_PAD_LD2__LD2,
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MX25_PAD_LD3__LD3,
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MX25_PAD_LD4__LD4,
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MX25_PAD_LD5__LD5,
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MX25_PAD_LD6__LD6,
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MX25_PAD_LD7__LD7,
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MX25_PAD_LD8__LD8,
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MX25_PAD_LD9__LD9,
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MX25_PAD_LD10__LD10,
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MX25_PAD_LD11__LD11,
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MX25_PAD_LD12__LD12,
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MX25_PAD_LD13__LD13,
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MX25_PAD_LD14__LD14,
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MX25_PAD_LD15__LD15,
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MX25_PAD_GPIO_E__LD16,
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MX25_PAD_GPIO_F__LD17,
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MX25_PAD_LSCLK__LSCLK,
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MX25_PAD_OE_ACD__OE_ACD,
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MX25_PAD_VSYNC__VSYNC,
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MX25_PAD_HSYNC__HSYNC,
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/* BACKLIGHT CONTROL */
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MX25_PAD_PWM__GPIO_1_26,
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/* I2C */
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MX25_PAD_I2C1_CLK__I2C1_CLK,
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MX25_PAD_I2C1_DAT__I2C1_DAT,
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/* SDCard */
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MX25_PAD_SD1_CLK__SD1_CLK,
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MX25_PAD_SD1_CMD__SD1_CMD,
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MX25_PAD_SD1_DATA0__SD1_DATA0,
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MX25_PAD_SD1_DATA1__SD1_DATA1,
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MX25_PAD_SD1_DATA2__SD1_DATA2,
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MX25_PAD_SD1_DATA3__SD1_DATA3,
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/* LED */
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MX25_PAD_POWER_FAIL__GPIO_3_19,
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/* SWITCH */
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MX25_PAD_VSTBY_ACK__GPIO_3_18,
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};
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static int eukrea_cpuimx25_devices_init(void)
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{
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mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads,
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ARRAY_SIZE(eukrea_cpuimx25_pads));
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led_gpio_register(&led0);
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imx25_iim_register_fec_ethaddr();
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imx25_add_fec(&fec_info);
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nand_info.width = 1;
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imx25_add_nand(&nand_info);
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devfs_add_partition("nand0", 0x00000, 0x40000,
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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,
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DEVFS_PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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/* enable LCD */
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gpio_direction_output(26, 1);
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gpio_set_value(26, 1);
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/* LED : default OFF */
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gpio_direction_output(2 * 32 + 19, 1);
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/* Switch : input */
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gpio_direction_input(2 * 32 + 18);
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imx25_add_fb(&eukrea_cpuimx25_fb_data);
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imx25_add_i2c0(NULL);
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imx25_add_mmc0(NULL);
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#ifdef CONFIG_USB
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imx25_usb_init();
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add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, IMX_OTG_BASE + 0x400, NULL);
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#endif
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#ifdef CONFIG_USB_GADGET
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/* Workaround ENGcm09152 */
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writel(readl(IMX_OTG_BASE + 0x608) | (1 << 23), IMX_OTG_BASE + 0x608);
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add_generic_device("fsl-udc", DEVICE_ID_DYNAMIC, NULL, IMX_OTG_BASE, 0x200,
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IORESOURCE_MEM, &usb_pdata);
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#endif
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armlinux_set_bootparams((void *)0x80000100);
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armlinux_set_architecture(MACH_TYPE_EUKREA_CPUIMX25SD);
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return 0;
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}
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device_initcall(eukrea_cpuimx25_devices_init);
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static int eukrea_cpuimx25_console_init(void)
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{
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imx25_add_uart0();
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return 0;
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}
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console_initcall(eukrea_cpuimx25_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(_text, barebox_image_size);
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}
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#endif
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static int eukrea_cpuimx25_core_init(void) {
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/* enable UART1, FEC, SDHC, USB & I2C clock */
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writel(readl(IMX_CCM_BASE + CCM_CGCR0) | (1 << 6) | (1 << 23)
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| (1 << 15) | (1 << 21) | (1 << 3) | (1 << 28),
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IMX_CCM_BASE + CCM_CGCR0);
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writel(readl(IMX_CCM_BASE + CCM_CGCR1) | (1 << 23) | (1 << 15)
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| (1 << 13), IMX_CCM_BASE + CCM_CGCR1);
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writel(readl(IMX_CCM_BASE + CCM_CGCR2) | (1 << 14),
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IMX_CCM_BASE + CCM_CGCR2);
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return 0;
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}
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core_initcall(eukrea_cpuimx25_core_init);
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