diff options
Diffstat (limited to 'arch/arm/boards/imx27ads/imx27ads.c')
-rw-r--r-- | arch/arm/boards/imx27ads/imx27ads.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/arch/arm/boards/imx27ads/imx27ads.c b/arch/arm/boards/imx27ads/imx27ads.c new file mode 100644 index 0000000000..6f31520ffa --- /dev/null +++ b/arch/arm/boards/imx27ads/imx27ads.c @@ -0,0 +1,162 @@ +/* + * 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 <asm/armlinux.h> +#include <asm/io.h> +#include <fec.h> +#include <mach/gpio.h> +#include <partition.h> +#include <fs.h> +#include <fcntl.h> +#include <asm/mach-types.h> +#include <mach/iomux-mx27.h> + +static struct device_d cfi_dev = { + .name = "cfi_flash", + .map_base = 0xC0000000, + .size = 32 * 1024 * 1024, +}; + +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, +}; + +static int imx27ads_timing_init(void) +{ + /* configure cpld on cs4 */ + CS4U = 0x0000DCF6; + CS4L = 0x444A4541; + CS4A = 0x44443302; + + /* configure synchronous mode for + * 16 bit nor flash on cs0 */ + CS0U = 0x0000CC03; + CS0L = 0xa0330D01; + CS0A = 0x00220800; + + writew(0x00f0, 0xc0000000); + writew(0x00aa, 0xc0000aaa); + writew(0x0055, 0xc0000554); + writew(0x00d0, 0xc0000aaa); + writew(0x66ca, 0xc0000aaa); + writew(0x00f0, 0xc0000000); + + CS0U = 0x23524E80; + CS0L = 0x10000D03; + CS0A = 0x00720900; + + /* Select FEC data through data path */ + writew(0x0020, IMX_CS4_BASE + 0x10); + + /* Enable CPLD FEC data path */ + writew(0x0010, IMX_CS4_BASE + 0x14); + + return 0; +} + +core_initcall(imx27ads_timing_init); + +static int mx27ads_devices_init(void) +{ + int i; + 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, + }; + + /* initizalize gpios */ + for (i = 0; i < ARRAY_SIZE(mode); i++) + imx_gpio_mode(mode[i]); + + register_device(&cfi_dev); + register_device(&sdram_dev); + register_device(&fec_dev); + + devfs_add_partition("nor0", 0x00000, 0x20000, PARTITION_FIXED, "self0"); + devfs_add_partition("nor0", 0x20000, 0x20000, PARTITION_FIXED, "env0"); + protect_file("/dev/env0", 1); + + armlinux_add_dram(&sdram_dev); + armlinux_set_bootparams((void *)0xa0000100); + armlinux_set_architecture(MACH_TYPE_MX27ADS); + + return 0; +} + +device_initcall(mx27ads_devices_init); + +static struct device_d mx27ads_serial_device = { + .name = "imx_serial", + .map_base = IMX_UART1_BASE, + .size = 4096, +}; + +static int mx27ads_console_init(void) +{ + register_device(&mx27ads_serial_device); + return 0; +} + +console_initcall(mx27ads_console_init); + |