| /* |
| * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix |
| * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) |
| * |
| * 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., 51 Franklin Street, Fifth Floor, Boston, |
| * MA 02110-1301, USA. |
| */ |
| |
| #include <linux/i2c.h> |
| #include <linux/i2c/at24.h> |
| #include <linux/io.h> |
| #include <linux/mtd/plat-ram.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/platform_device.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/time.h> |
| |
| #include <mach/board-pcm038.h> |
| #include <mach/common.h> |
| #include <mach/hardware.h> |
| #include <mach/i2c.h> |
| #include <mach/iomux.h> |
| #include <mach/imx-uart.h> |
| #include <mach/mxc_nand.h> |
| |
| #include "devices.h" |
| |
| static int pcm038_pins[] = { |
| /* UART1 */ |
| PE12_PF_UART1_TXD, |
| PE13_PF_UART1_RXD, |
| PE14_PF_UART1_CTS, |
| PE15_PF_UART1_RTS, |
| /* UART2 */ |
| PE3_PF_UART2_CTS, |
| PE4_PF_UART2_RTS, |
| PE6_PF_UART2_TXD, |
| PE7_PF_UART2_RXD, |
| /* UART3 */ |
| PE8_PF_UART3_TXD, |
| PE9_PF_UART3_RXD, |
| PE10_PF_UART3_CTS, |
| PE11_PF_UART3_RTS, |
| /* FEC */ |
| 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, |
| 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, |
| /* I2C2 */ |
| PC5_PF_I2C2_SDA, |
| PC6_PF_I2C2_SCL, |
| /* SPI1 */ |
| PD25_PF_CSPI1_RDY, |
| PD27_PF_CSPI1_SS1, |
| PD28_PF_CSPI1_SS0, |
| PD29_PF_CSPI1_SCLK, |
| PD30_PF_CSPI1_MISO, |
| PD31_PF_CSPI1_MOSI, |
| /* SSI1 */ |
| PC20_PF_SSI1_FS, |
| PC21_PF_SSI1_RXD, |
| PC22_PF_SSI1_TXD, |
| PC23_PF_SSI1_CLK, |
| /* SSI4 */ |
| PC16_PF_SSI4_FS, |
| PC17_PF_SSI4_RXD, |
| PC18_PF_SSI4_TXD, |
| PC19_PF_SSI4_CLK, |
| }; |
| |
| /* |
| * Phytec's PCM038 comes with 2MiB battery buffered SRAM, |
| * 16 bit width |
| */ |
| |
| static struct platdata_mtd_ram pcm038_sram_data = { |
| .bankwidth = 2, |
| }; |
| |
| static struct resource pcm038_sram_resource = { |
| .start = CS1_BASE_ADDR, |
| .end = CS1_BASE_ADDR + 512 * 1024 - 1, |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device pcm038_sram_mtd_device = { |
| .name = "mtd-ram", |
| .id = 0, |
| .dev = { |
| .platform_data = &pcm038_sram_data, |
| }, |
| .num_resources = 1, |
| .resource = &pcm038_sram_resource, |
| }; |
| |
| /* |
| * Phytec's phyCORE-i.MX27 comes with 32MiB flash, |
| * 16 bit width |
| */ |
| static struct physmap_flash_data pcm038_flash_data = { |
| .width = 2, |
| }; |
| |
| static struct resource pcm038_flash_resource = { |
| .start = 0xc0000000, |
| .end = 0xc1ffffff, |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device pcm038_nor_mtd_device = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &pcm038_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &pcm038_flash_resource, |
| }; |
| |
| static struct imxuart_platform_data uart_pdata[] = { |
| { |
| .flags = IMXUART_HAVE_RTSCTS, |
| }, { |
| .flags = IMXUART_HAVE_RTSCTS, |
| }, { |
| .flags = IMXUART_HAVE_RTSCTS, |
| }, |
| }; |
| |
| static struct mxc_nand_platform_data pcm038_nand_board_info = { |
| .width = 1, |
| .hw_ecc = 1, |
| }; |
| |
| static struct platform_device *platform_devices[] __initdata = { |
| &pcm038_nor_mtd_device, |
| &mxc_w1_master_device, |
| &mxc_fec_device, |
| &pcm038_sram_mtd_device, |
| }; |
| |
| /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and |
| * setup other stuffs to access the sram. */ |
| static void __init pcm038_init_sram(void) |
| { |
| __raw_writel(0x0000d843, CSCR_U(1)); |
| __raw_writel(0x22252521, CSCR_L(1)); |
| __raw_writel(0x22220a00, CSCR_A(1)); |
| } |
| |
| static struct imxi2c_platform_data pcm038_i2c_1_data = { |
| .bitrate = 100000, |
| }; |
| |
| static struct at24_platform_data board_eeprom = { |
| .byte_len = 4096, |
| .page_size = 32, |
| .flags = AT24_FLAG_ADDR16, |
| }; |
| |
| static struct i2c_board_info pcm038_i2c_devices[] = { |
| { |
| I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ |
| .platform_data = &board_eeprom, |
| }, { |
| I2C_BOARD_INFO("pcf8563", 0x51), |
| }, { |
| I2C_BOARD_INFO("lm75", 0x4a), |
| } |
| }; |
| |
| static void __init pcm038_init(void) |
| { |
| mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), |
| "PCM038"); |
| |
| pcm038_init_sram(); |
| |
| mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); |
| mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); |
| mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); |
| |
| mxc_gpio_mode(PE16_AF_OWIRE); |
| mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info); |
| |
| /* only the i2c master 1 is used on this CPU card */ |
| i2c_register_board_info(1, pcm038_i2c_devices, |
| ARRAY_SIZE(pcm038_i2c_devices)); |
| |
| mxc_register_device(&mxc_i2c_device1, &pcm038_i2c_1_data); |
| |
| /* PE18 for user-LED D40 */ |
| mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT); |
| |
| platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
| |
| #ifdef CONFIG_MACH_PCM970_BASEBOARD |
| pcm970_baseboard_init(); |
| #endif |
| } |
| |
| static void __init pcm038_timer_init(void) |
| { |
| mx27_clocks_init(26000000); |
| } |
| |
| static struct sys_timer pcm038_timer = { |
| .init = pcm038_timer_init, |
| }; |
| |
| MACHINE_START(PCM038, "phyCORE-i.MX27") |
| .phys_io = AIPI_BASE_ADDR, |
| .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| .boot_params = PHYS_OFFSET + 0x100, |
| .map_io = mx27_map_io, |
| .init_irq = mx27_init_irq, |
| .init_machine = pcm038_init, |
| .timer = &pcm038_timer, |
| MACHINE_END |