136 lines
3.2 KiB
C
136 lines
3.2 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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/imx-regs.h>
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#include <asm/armlinux.h>
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#include <asm/io.h>
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#include <fec.h>
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#include <mach/gpio.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 <generated/mach-types.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 = MII100,
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.phy_addr = 1,
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};
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static int imx27ads_timing_init(void)
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{
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/* configure cpld on cs4 */
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CS4U = 0x0000DCF6;
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CS4L = 0x444A4541;
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CS4A = 0x44443302;
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/* configure synchronous mode for
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* 16 bit nor flash on cs0 */
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CS0U = 0x0000CC03;
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CS0L = 0xa0330D01;
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CS0A = 0x00220800;
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writew(0x00f0, 0xc0000000);
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writew(0x00aa, 0xc0000aaa);
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writew(0x0055, 0xc0000554);
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writew(0x00d0, 0xc0000aaa);
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writew(0x66ca, 0xc0000aaa);
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writew(0x00f0, 0xc0000000);
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CS0U = 0x23524E80;
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CS0L = 0x10000D03;
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CS0A = 0x00720900;
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/* Select FEC data through data path */
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writew(0x0020, IMX_CS4_BASE + 0x10);
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/* Enable CPLD FEC data path */
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writew(0x0010, IMX_CS4_BASE + 0x14);
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return 0;
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}
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core_initcall(imx27ads_timing_init);
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static int mx27ads_devices_init(void)
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{
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int i;
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struct device_d *sdram_dev;
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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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};
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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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add_cfi_flash_device(-1, 0xC0000000, 32 * 1024 * 1024, 0);
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sdram_dev = add_mem_device("ram0", 0xa0000000, 128 * 1024 * 1024,
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IORESOURCE_MEM_WRITEABLE);
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armlinux_add_dram(sdram_dev);
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imx27_add_fec(&fec_info);
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devfs_add_partition("nor0", 0x00000, 0x20000, PARTITION_FIXED, "self0");
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devfs_add_partition("nor0", 0x20000, 0x20000, PARTITION_FIXED, "env0");
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protect_file("/dev/env0", 1);
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armlinux_set_bootparams((void *)0xa0000100);
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armlinux_set_architecture(MACH_TYPE_MX27ADS);
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return 0;
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}
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device_initcall(mx27ads_devices_init);
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static int mx27ads_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(mx27ads_console_init);
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