diff options
Diffstat (limited to 'arch/arm/mach-mx25/mach-mx25pdk.c')
| -rw-r--r-- | arch/arm/mach-mx25/mach-mx25pdk.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/mach-mx25pdk.c b/arch/arm/mach-mx25/mach-mx25pdk.c new file mode 100644 index 0000000..83d7410 --- /dev/null +++ b/arch/arm/mach-mx25/mach-mx25pdk.c @@ -0,0 +1,174 @@ +/* + * Copyright 2009 Sascha Hauer, <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/types.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <linux/fec.h> +#include <linux/platform_device.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/memory.h> +#include <asm/mach/map.h> +#include <mach/common.h> +#include <mach/imx-uart.h> +#include <mach/mx25.h> +#include <mach/mxc_nand.h> +#include <mach/imxfb.h> +#include "devices.h" +#include <mach/iomux-mx25.h> + +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct pad_desc mx25pdk_pads[] = { + MX25_PAD_FEC_MDC__FEC_MDC, + MX25_PAD_FEC_MDIO__FEC_MDIO, + MX25_PAD_FEC_TDATA0__FEC_TDATA0, + MX25_PAD_FEC_TDATA1__FEC_TDATA1, + MX25_PAD_FEC_TX_EN__FEC_TX_EN, + MX25_PAD_FEC_RDATA0__FEC_RDATA0, + MX25_PAD_FEC_RDATA1__FEC_RDATA1, + MX25_PAD_FEC_RX_DV__FEC_RX_DV, + MX25_PAD_FEC_TX_CLK__FEC_TX_CLK, + MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */ + MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */ + + /* LCD */ + 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_HSYNC__HSYNC, + MX25_PAD_VSYNC__VSYNC, + MX25_PAD_LSCLK__LSCLK, + MX25_PAD_OE_ACD__OE_ACD, + MX25_PAD_CONTRAST__CONTRAST, +}; + +static struct fec_platform_data mx25_fec_pdata = { + .phy = PHY_INTERFACE_MODE_RMII, +}; + +#define FEC_ENABLE_GPIO 35 +#define FEC_RESET_B_GPIO 104 + +static void __init mx25pdk_fec_reset(void) +{ + gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable"); + gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset"); + + gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */ + gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */ + udelay(2); + + /* turn on PHY power and lift reset */ + gpio_set_value(FEC_ENABLE_GPIO, 1); + gpio_set_value(FEC_RESET_B_GPIO, 1); +} + +static struct mxc_nand_platform_data mx25pdk_nand_board_info = { + .width = 1, + .hw_ecc = 1, + .flash_bbt = 1, +}; + +static struct imx_fb_videomode mx25pdk_modes[] = { + { + .mode = { + .name = "CRT-VGA", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 39683, + .left_margin = 45, + .right_margin = 114, + .upper_margin = 33, + .lower_margin = 11, + .hsync_len = 1, + .vsync_len = 1, + }, + .bpp = 16, + .pcr = 0xFA208B80, + }, +}; + +static struct imx_fb_platform_data mx25pdk_fb_pdata = { + .mode = mx25pdk_modes, + .num_modes = ARRAY_SIZE(mx25pdk_modes), + .pwmr = 0x00A903FF, + .lscr1 = 0x00120300, + .dmacr = 0x00020010, +}; + +static void __init mx25pdk_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads, + ARRAY_SIZE(mx25pdk_pads)); + + mxc_register_device(&mxc_uart_device0, &uart_pdata); + mxc_register_device(&mxc_usbh2, NULL); + mxc_register_device(&mxc_nand_device, &mx25pdk_nand_board_info); + mxc_register_device(&mx25_rtc_device, NULL); + mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata); + + mx25pdk_fec_reset(); + mxc_register_device(&mx25_fec_device, &mx25_fec_pdata); +} + +static void __init mx25pdk_timer_init(void) +{ + mx25_clocks_init(); +} + +static struct sys_timer mx25pdk_timer = { + .init = mx25pdk_timer_init, +}; + +MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)") + /* Maintainer: Freescale Semiconductor, Inc. */ + .phys_io = MX25_AIPS1_BASE_ADDR, + .io_pg_offst = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = MX25_PHYS_OFFSET + 0x100, + .map_io = mx25_map_io, + .init_irq = mx25_init_irq, + .init_machine = mx25pdk_init, + .timer = &mx25pdk_timer, +MACHINE_END + |