/* * (C) 2009 Pengutronix, Sascha Hauer * (c) 2010 Eukrea Electromatique, Eric Bénard * * See file CREDITS for list of people who contributed to this * project. * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static struct fec_platform_data fec_info = { .xcv_type = RMII, .phy_addr = 0, }; struct imx_nand_platform_data nand_info = { .width = 1, .hw_ecc = 1, }; static struct imx_fb_videomode imxfb_mode = { .mode = { .name = "CMO-QVGA", .refresh = 60, .xres = 320, .yres = 240, .pixclock = KHZ2PICOS(6500), .hsync_len = 30, .left_margin = 38, .right_margin = 20, .vsync_len = 3, .upper_margin = 15, .lower_margin = 4, }, .pcr = 0xCAD08B80, .bpp = 16, }; static struct imx_fb_platform_data eukrea_cpuimx25_fb_data = { .mode = &imxfb_mode, .num_modes = 1, .pwmr = 0x00A903FF, .lscr1 = 0x00120300, .dmacr = 0x80040060, }; struct gpio_led led0 = { .gpio = 2 * 32 + 19, .active_low = 1, }; #ifdef CONFIG_USB static void imx25_usb_init(void) { unsigned int tmp; /* Host 1 */ tmp = readl(IMX_OTG_BASE + 0x600); tmp &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT | MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT); tmp |= (MXC_EHCI_INTERFACE_SINGLE_UNI) << MX35_H1_SIC_SHIFT; tmp |= MX35_H1_USBTE_BIT; tmp |= MX35_H1_IPPUE_DOWN_BIT; writel(tmp, IMX_OTG_BASE + 0x600); tmp = readl(IMX_OTG_BASE + 0x584); tmp |= 3 << 30; writel(tmp, IMX_OTG_BASE + 0x584); /* Set to Host mode */ tmp = readl(IMX_OTG_BASE + 0x5a8); writel(tmp | 0x3, IMX_OTG_BASE + 0x5a8); } #endif static struct fsl_usb2_platform_data usb_pdata = { .operating_mode = FSL_USB2_DR_DEVICE, .phy_mode = FSL_USB2_PHY_UTMI, }; static int eukrea_cpuimx25_mem_init(void) { arm_add_mem_device("ram0", IMX_SDRAM_CS0, 64 * 1024 * 1024); return 0; } mem_initcall(eukrea_cpuimx25_mem_init); static iomux_v3_cfg_t eukrea_cpuimx25_pads[] = { MX25_PAD_FEC_MDC__FEC_MDC, MX25_PAD_FEC_MDIO__FEC_MDIO, MX25_PAD_FEC_RDATA0__FEC_RDATA0, MX25_PAD_FEC_RDATA1__FEC_RDATA1, MX25_PAD_FEC_RX_DV__FEC_RX_DV, MX25_PAD_FEC_TDATA0__FEC_TDATA0, MX25_PAD_FEC_TDATA1__FEC_TDATA1, MX25_PAD_FEC_TX_CLK__FEC_TX_CLK, MX25_PAD_FEC_TX_EN__FEC_TX_EN, /* UART1 */ MX25_PAD_UART1_RXD__UART1_RXD, MX25_PAD_UART1_TXD__UART1_TXD, MX25_PAD_UART1_RTS__UART1_RTS, MX25_PAD_UART1_CTS__UART1_CTS, /* LCDC */ MX25_PAD_LD0__LD0, MX25_PAD_LD1__LD1, MX25_PAD_LD2__LD2, MX25_PAD_LD3__LD3, MX25_PAD_LD4__LD4, MX25_PAD_LD5__LD5, MX25_PAD_LD6__LD6, MX25_PAD_LD7__LD7, MX25_PAD_LD8__LD8, MX25_PAD_LD9__LD9, MX25_PAD_LD10__LD10, MX25_PAD_LD11__LD11, MX25_PAD_LD12__LD12, MX25_PAD_LD13__LD13, MX25_PAD_LD14__LD14, MX25_PAD_LD15__LD15, MX25_PAD_GPIO_E__LD16, MX25_PAD_GPIO_F__LD17, MX25_PAD_LSCLK__LSCLK, MX25_PAD_OE_ACD__OE_ACD, MX25_PAD_VSYNC__VSYNC, MX25_PAD_HSYNC__HSYNC, /* BACKLIGHT CONTROL */ MX25_PAD_PWM__GPIO_1_26, /* I2C */ MX25_PAD_I2C1_CLK__I2C1_CLK, MX25_PAD_I2C1_DAT__I2C1_DAT, /* SDCard */ MX25_PAD_SD1_CLK__SD1_CLK, MX25_PAD_SD1_CMD__SD1_CMD, MX25_PAD_SD1_DATA0__SD1_DATA0, MX25_PAD_SD1_DATA1__SD1_DATA1, MX25_PAD_SD1_DATA2__SD1_DATA2, MX25_PAD_SD1_DATA3__SD1_DATA3, /* LED */ MX25_PAD_POWER_FAIL__GPIO_3_19, /* SWITCH */ MX25_PAD_VSTBY_ACK__GPIO_3_18, }; static int eukrea_cpuimx25_devices_init(void) { mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads, ARRAY_SIZE(eukrea_cpuimx25_pads)); led_gpio_register(&led0); imx25_iim_register_fec_ethaddr(); imx25_add_fec(&fec_info); nand_info.width = 1; imx25_add_nand(&nand_info); devfs_add_partition("nand0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self_raw"); dev_add_bb_dev("self_raw", "self0"); devfs_add_partition("nand0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env_raw"); dev_add_bb_dev("env_raw", "env0"); /* enable LCD */ gpio_direction_output(26, 1); gpio_set_value(26, 1); /* LED : default OFF */ gpio_direction_output(2 * 32 + 19, 1); /* Switch : input */ gpio_direction_input(2 * 32 + 18); imx25_add_fb(&eukrea_cpuimx25_fb_data); imx25_add_i2c0(NULL); imx25_add_mmc0(NULL); #ifdef CONFIG_USB imx25_usb_init(); add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, IMX_OTG_BASE + 0x400, NULL); #endif #ifdef CONFIG_USB_GADGET /* Workaround ENGcm09152 */ writel(readl(IMX_OTG_BASE + 0x608) | (1 << 23), IMX_OTG_BASE + 0x608); add_generic_device("fsl-udc", DEVICE_ID_DYNAMIC, NULL, IMX_OTG_BASE, 0x200, IORESOURCE_MEM, &usb_pdata); #endif armlinux_set_bootparams((void *)0x80000100); armlinux_set_architecture(MACH_TYPE_EUKREA_CPUIMX25SD); return 0; } device_initcall(eukrea_cpuimx25_devices_init); static int eukrea_cpuimx25_console_init(void) { imx25_add_uart0(); return 0; } console_initcall(eukrea_cpuimx25_console_init); #ifdef CONFIG_NAND_IMX_BOOT void __bare_init nand_boot(void) { imx_nand_load_image(_text, barebox_image_size); } #endif static int eukrea_cpuimx25_core_init(void) { /* enable UART1, FEC, SDHC, USB & I2C clock */ writel(readl(IMX_CCM_BASE + CCM_CGCR0) | (1 << 6) | (1 << 23) | (1 << 15) | (1 << 21) | (1 << 3) | (1 << 28), IMX_CCM_BASE + CCM_CGCR0); writel(readl(IMX_CCM_BASE + CCM_CGCR1) | (1 << 23) | (1 << 15) | (1 << 13), IMX_CCM_BASE + CCM_CGCR1); writel(readl(IMX_CCM_BASE + CCM_CGCR2) | (1 << 14), IMX_CCM_BASE + CCM_CGCR2); return 0; } core_initcall(eukrea_cpuimx25_core_init);