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-rw-r--r--arch/arm/boards/imx27ads/imx27ads.c162
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);
+