90c62bf08f
Add low-level initialization for hsmmc controller. Merged into this patch patch are various improvments and board support by Grazvydas Ignotas and David Brownell. Also change wire4 to be wires, as some newer controllers support 8 data lines. Cc: Pierre Ossman <drzeus-mmc@drzeus.cx> Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
479 lines
12 KiB
C
479 lines
12 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-innovator.c
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*
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* Board specific inits for OMAP-1510 and OMAP-1610 Innovator
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*
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* Copyright (C) 2001 RidgeRun, Inc.
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* Author: Greg Lonnon <glonnon@ridgerun.com>
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*
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* Copyright (C) 2002 MontaVista Software, Inc.
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*
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* Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
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* Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/input.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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#include <asm/mach/map.h>
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#include <mach/mux.h>
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#include <mach/fpga.h>
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#include <mach/gpio.h>
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#include <mach/tc.h>
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#include <mach/usb.h>
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#include <mach/keypad.h>
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#include <mach/common.h>
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#include <mach/mcbsp.h>
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#include <mach/omap-alsa.h>
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#include <mach/mmc.h>
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static int innovator_keymap[] = {
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KEY(0, 0, KEY_F1),
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KEY(0, 3, KEY_DOWN),
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KEY(1, 1, KEY_F2),
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KEY(1, 2, KEY_RIGHT),
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KEY(2, 0, KEY_F3),
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KEY(2, 1, KEY_F4),
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KEY(2, 2, KEY_UP),
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KEY(3, 2, KEY_ENTER),
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KEY(3, 3, KEY_LEFT),
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0
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};
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static struct mtd_partition innovator_partitions[] = {
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/* bootloader (U-Boot, etc) in first sector */
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{
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.name = "bootloader",
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.offset = 0,
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.size = SZ_128K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* bootloader params in the next sector */
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{
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = 0,
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},
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/* kernel */
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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.mask_flags = 0
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},
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/* rest of flash1 is a file system */
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_16M - SZ_2M - 2 * SZ_128K,
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.mask_flags = 0
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},
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/* file system */
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct flash_platform_data innovator_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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.parts = innovator_partitions,
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.nr_parts = ARRAY_SIZE(innovator_partitions),
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};
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static struct resource innovator_flash_resource = {
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.start = OMAP_CS0_PHYS,
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.end = OMAP_CS0_PHYS + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device innovator_flash_device = {
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.name = "omapflash",
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.id = 0,
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.dev = {
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.platform_data = &innovator_flash_data,
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},
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.num_resources = 1,
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.resource = &innovator_flash_resource,
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};
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#define DEFAULT_BITPERSAMPLE 16
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static struct omap_mcbsp_reg_cfg mcbsp_regs = {
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.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
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.spcr1 = RINTM(3) | RRST,
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.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
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RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
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.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
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.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
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XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
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.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
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.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
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.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
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/*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
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.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
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};
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static struct omap_alsa_codec_config alsa_config = {
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.name = "OMAP Innovator AIC23",
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.mcbsp_regs_alsa = &mcbsp_regs,
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.codec_configure_dev = NULL, /* aic23_configure, */
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.codec_set_samplerate = NULL, /* aic23_set_samplerate, */
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.codec_clock_setup = NULL, /* aic23_clock_setup, */
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.codec_clock_on = NULL, /* aic23_clock_on, */
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.codec_clock_off = NULL, /* aic23_clock_off, */
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.get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
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};
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static struct platform_device innovator_mcbsp1_device = {
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.name = "omap_alsa_mcbsp",
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.id = 1,
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.dev = {
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.platform_data = &alsa_config,
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},
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};
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static struct resource innovator_kp_resources[] = {
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[0] = {
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.start = INT_KEYBOARD,
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.end = INT_KEYBOARD,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct omap_kp_platform_data innovator_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap = innovator_keymap,
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.keymapsize = ARRAY_SIZE(innovator_keymap),
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.delay = 4,
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};
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static struct platform_device innovator_kp_device = {
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.name = "omap-keypad",
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.id = -1,
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.dev = {
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.platform_data = &innovator_kp_data,
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},
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.num_resources = ARRAY_SIZE(innovator_kp_resources),
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.resource = innovator_kp_resources,
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};
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#ifdef CONFIG_ARCH_OMAP15XX
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#include <linux/spi/spi.h>
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#include <linux/spi/ads7846.h>
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/* Only FPGA needs to be mapped here. All others are done with ioremap */
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static struct map_desc innovator1510_io_desc[] __initdata = {
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{
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.virtual = OMAP1510_FPGA_BASE,
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.pfn = __phys_to_pfn(OMAP1510_FPGA_START),
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.length = OMAP1510_FPGA_SIZE,
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.type = MT_DEVICE
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}
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};
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static struct resource innovator1510_smc91x_resources[] = {
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[0] = {
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.start = OMAP1510_FPGA_ETHR_START, /* Physical */
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.end = OMAP1510_FPGA_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = OMAP1510_INT_ETHER,
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.end = OMAP1510_INT_ETHER,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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},
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};
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static struct platform_device innovator1510_smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
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.resource = innovator1510_smc91x_resources,
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};
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static struct platform_device innovator1510_lcd_device = {
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.name = "lcd_inn1510",
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.id = -1,
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};
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static struct platform_device innovator1510_spi_device = {
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.name = "spi_inn1510",
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.id = -1,
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};
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static struct platform_device *innovator1510_devices[] __initdata = {
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&innovator_flash_device,
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&innovator1510_smc91x_device,
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&innovator_mcbsp1_device,
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&innovator_kp_device,
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&innovator1510_lcd_device,
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&innovator1510_spi_device,
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};
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static int innovator_get_pendown_state(void)
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{
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return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
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}
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static const struct ads7846_platform_data innovator1510_ts_info = {
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.model = 7846,
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.vref_delay_usecs = 100, /* internal, no capacitor */
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.x_plate_ohms = 419,
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.y_plate_ohms = 486,
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.get_pendown_state = innovator_get_pendown_state,
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};
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static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
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/* FPGA (bus "10") CS0 has an ads7846e */
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.modalias = "ads7846",
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.platform_data = &innovator1510_ts_info,
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.irq = OMAP1510_INT_FPGA_TS,
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.max_speed_hz = 120000 /* max sample rate at 3V */
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* 26 /* command + data + overhead */,
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.bus_num = 10,
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.chip_select = 0,
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} };
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#endif /* CONFIG_ARCH_OMAP15XX */
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#ifdef CONFIG_ARCH_OMAP16XX
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static struct resource innovator1610_smc91x_resources[] = {
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[0] = {
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.start = INNOVATOR1610_ETHR_START, /* Physical */
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.end = INNOVATOR1610_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = OMAP_GPIO_IRQ(0),
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.end = OMAP_GPIO_IRQ(0),
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
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},
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};
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static struct platform_device innovator1610_smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
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.resource = innovator1610_smc91x_resources,
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};
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static struct platform_device innovator1610_lcd_device = {
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.name = "inn1610_lcd",
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.id = -1,
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};
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static struct platform_device *innovator1610_devices[] __initdata = {
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&innovator_flash_device,
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&innovator1610_smc91x_device,
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&innovator_kp_device,
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&innovator1610_lcd_device,
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};
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#endif /* CONFIG_ARCH_OMAP16XX */
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static void __init innovator_init_smc91x(void)
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{
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if (cpu_is_omap1510()) {
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fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
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OMAP1510_FPGA_RST);
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udelay(750);
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} else {
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if (gpio_request(0, "SMC91x irq") < 0) {
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printk("Error requesting gpio 0 for smc91x irq\n");
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return;
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}
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}
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}
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static void __init innovator_init_irq(void)
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{
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omap1_init_common_hw();
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omap_init_irq();
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omap_gpio_init();
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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omap1510_fpga_init_irq();
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}
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#endif
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innovator_init_smc91x();
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}
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#ifdef CONFIG_ARCH_OMAP15XX
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static struct omap_usb_config innovator1510_usb_config __initdata = {
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/* for bundled non-standard host and peripheral cables */
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.hmc_mode = 4,
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.register_host = 1,
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.pins[1] = 6,
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.pins[2] = 6, /* Conflicts with UART2 */
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.register_dev = 1,
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.pins[0] = 2,
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};
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static struct omap_lcd_config innovator1510_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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static struct omap_usb_config h2_usb_config __initdata = {
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/* usb1 has a Mini-AB port and external isp1301 transceiver */
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.otg = 2,
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#ifdef CONFIG_USB_GADGET_OMAP
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.hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
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/* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
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#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
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.hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
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#endif
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.pins[1] = 3,
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};
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static struct omap_lcd_config innovator1610_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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#endif
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#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
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static int mmc_set_power(struct device *dev, int slot, int power_on,
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int vdd)
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{
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if (power_on)
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fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
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OMAP1510_FPGA_POWER);
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else
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fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
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OMAP1510_FPGA_POWER);
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return 0;
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}
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/*
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* Innovator could use the following functions tested:
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* - mmc_get_wp that uses OMAP_MPUIO(3)
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* - mmc_get_cover_state that uses FPGA F4 UIO43
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*/
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static struct omap_mmc_platform_data mmc1_data = {
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.nr_slots = 1,
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.slots[0] = {
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.set_power = mmc_set_power,
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.wires = 4,
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.name = "mmcblk",
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},
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};
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static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
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void __init innovator_mmc_init(void)
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{
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mmc_data[0] = &mmc1_data;
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omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
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}
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#else
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static inline void innovator_mmc_init(void)
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{
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}
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#endif
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static struct omap_uart_config innovator_uart_config __initdata = {
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.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
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};
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static struct omap_board_config_kernel innovator_config[] = {
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{ OMAP_TAG_USB, NULL },
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{ OMAP_TAG_LCD, NULL },
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{ OMAP_TAG_UART, &innovator_uart_config },
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};
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static void __init innovator_init(void)
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{
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
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spi_register_board_info(innovator1510_boardinfo,
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ARRAY_SIZE(innovator1510_boardinfo));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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if (!cpu_is_omap1510()) {
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platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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innovator_config[0].data = &innovator1510_usb_config;
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innovator_config[1].data = &innovator1510_lcd_config;
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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if (cpu_is_omap1610()) {
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innovator_config[0].data = &h2_usb_config;
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innovator_config[1].data = &innovator1610_lcd_config;
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}
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#endif
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omap_board_config = innovator_config;
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omap_board_config_size = ARRAY_SIZE(innovator_config);
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omap_serial_init();
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omap_register_i2c_bus(1, 100, NULL, 0);
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innovator_mmc_init();
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}
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static void __init innovator_map_io(void)
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{
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omap1_map_common_io();
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
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udelay(10); /* Delay needed for FPGA */
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/* Dump the Innovator FPGA rev early - useful info for support. */
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printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
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fpga_read(OMAP1510_FPGA_REV_HIGH),
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fpga_read(OMAP1510_FPGA_REV_LOW),
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fpga_read(OMAP1510_FPGA_BOARD_REV));
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}
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#endif
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}
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MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
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/* Maintainer: MontaVista Software, Inc. */
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.phys_io = 0xfff00000,
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.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
|
|
.boot_params = 0x10000100,
|
|
.map_io = innovator_map_io,
|
|
.init_irq = innovator_init_irq,
|
|
.init_machine = innovator_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|