561b036ad9
Convert OMAP based boards to use physmap-flash. Refreshed against today's Linux omap kernel tree Cc: linux-mtd@lists.infradead.org Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
345 lines
7.5 KiB
C
345 lines
7.5 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-perseus2.c
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*
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* Modified from board-generic.c
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*
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* Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
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* Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
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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/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/input.h>
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#include <linux/smc91x.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/map.h>
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#include <plat/tc.h>
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#include <mach/gpio.h>
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#include <plat/mux.h>
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#include <plat/fpga.h>
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#include <plat/flash.h>
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#include <plat/keypad.h>
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#include <plat/common.h>
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#include <plat/board.h>
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static int p2_keymap[] = {
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KEY(0,0,KEY_UP),
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KEY(0,1,KEY_RIGHT),
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KEY(0,2,KEY_LEFT),
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KEY(0,3,KEY_DOWN),
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KEY(0,4,KEY_ENTER),
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KEY(1,0,KEY_F10),
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KEY(1,1,KEY_SEND),
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KEY(1,2,KEY_END),
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KEY(1,3,KEY_VOLUMEDOWN),
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KEY(1,4,KEY_VOLUMEUP),
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KEY(1,5,KEY_RECORD),
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KEY(2,0,KEY_F9),
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KEY(2,1,KEY_3),
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KEY(2,2,KEY_6),
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KEY(2,3,KEY_9),
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KEY(2,4,KEY_KPDOT),
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KEY(3,0,KEY_BACK),
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KEY(3,1,KEY_2),
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KEY(3,2,KEY_5),
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KEY(3,3,KEY_8),
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KEY(3,4,KEY_0),
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KEY(3,5,KEY_KPSLASH),
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KEY(4,0,KEY_HOME),
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KEY(4,1,KEY_1),
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KEY(4,2,KEY_4),
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KEY(4,3,KEY_7),
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KEY(4,4,KEY_KPASTERISK),
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KEY(4,5,KEY_POWER),
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0
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};
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
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.leda = RPC_LED_100_10,
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.ledb = RPC_LED_TX_RX,
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};
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static struct resource smc91x_resources[] = {
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[0] = {
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.start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
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.end = H2P2_DBG_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 = INT_7XX_MPU_EXT_NIRQ,
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.end = 0,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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},
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};
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static struct mtd_partition nor_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 flash 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 = MTDPART_SIZ_FULL,
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.mask_flags = 0
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},
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};
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static struct physmap_flash_data nor_data = {
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.width = 2,
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.set_vpp = omap1_set_vpp,
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.parts = nor_partitions,
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.nr_parts = ARRAY_SIZE(nor_partitions),
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};
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static struct resource nor_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 nor_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &nor_data,
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},
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.num_resources = 1,
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.resource = &nor_resource,
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};
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static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
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{
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struct nand_chip *this = mtd->priv;
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unsigned long mask;
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if (cmd == NAND_CMD_NONE)
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return;
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mask = (ctrl & NAND_CLE) ? 0x02 : 0;
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if (ctrl & NAND_ALE)
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mask |= 0x04;
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writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
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}
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#define P2_NAND_RB_GPIO_PIN 62
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static int nand_dev_ready(struct mtd_info *mtd)
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{
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return gpio_get_value(P2_NAND_RB_GPIO_PIN);
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}
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static const char *part_probes[] = { "cmdlinepart", NULL };
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static struct platform_nand_data nand_data = {
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.chip = {
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.nr_chips = 1,
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.chip_offset = 0,
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.options = NAND_SAMSUNG_LP_OPTIONS,
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.part_probe_types = part_probes,
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},
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.ctrl = {
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.cmd_ctrl = nand_cmd_ctl,
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.dev_ready = nand_dev_ready,
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},
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};
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static struct resource nand_resource = {
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.start = OMAP_CS3_PHYS,
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.end = OMAP_CS3_PHYS + SZ_4K - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device nand_device = {
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.name = "gen_nand",
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.id = 0,
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.dev = {
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.platform_data = &nand_data,
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},
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.num_resources = 1,
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.resource = &nand_resource,
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.dev = {
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.platform_data = &smc91x_info,
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},
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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};
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static struct resource kp_resources[] = {
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[0] = {
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.start = INT_7XX_MPUIO_KEYPAD,
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.end = INT_7XX_MPUIO_KEYPAD,
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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 kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap = p2_keymap,
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.keymapsize = ARRAY_SIZE(p2_keymap),
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.delay = 4,
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.dbounce = 1,
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};
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static struct platform_device 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 = &kp_data,
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},
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.num_resources = ARRAY_SIZE(kp_resources),
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.resource = kp_resources,
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};
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static struct platform_device lcd_device = {
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.name = "lcd_p2",
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.id = -1,
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};
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static struct platform_device *devices[] __initdata = {
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&nor_device,
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&nand_device,
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&smc91x_device,
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&kp_device,
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&lcd_device,
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};
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static struct omap_lcd_config perseus2_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static struct omap_board_config_kernel perseus2_config[] __initdata = {
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{ OMAP_TAG_LCD, &perseus2_lcd_config },
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};
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static void __init omap_perseus2_init(void)
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{
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if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
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BUG();
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gpio_direction_input(P2_NAND_RB_GPIO_PIN);
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omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
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omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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omap_board_config = perseus2_config;
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omap_board_config_size = ARRAY_SIZE(perseus2_config);
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omap_serial_init();
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omap_register_i2c_bus(1, 100, NULL, 0);
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}
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static void __init perseus2_init_smc91x(void)
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{
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fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
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mdelay(50);
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fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
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H2P2_DBG_FPGA_LAN_RESET);
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mdelay(50);
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}
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static void __init omap_perseus2_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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perseus2_init_smc91x();
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}
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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 omap_perseus2_io_desc[] __initdata = {
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{
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.virtual = H2P2_DBG_FPGA_BASE,
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.pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
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.length = H2P2_DBG_FPGA_SIZE,
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.type = MT_DEVICE
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}
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};
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static void __init omap_perseus2_map_io(void)
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{
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omap1_map_common_io();
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iotable_init(omap_perseus2_io_desc,
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ARRAY_SIZE(omap_perseus2_io_desc));
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/* Early, board-dependent init */
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/*
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* Hold GSM Reset until needed
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*/
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omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
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/*
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* UARTs -> done automagically by 8250 driver
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*/
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/*
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* CSx timings, GPIO Mux ... setup
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*/
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/* Flash: CS0 timings setup */
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omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
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omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
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/*
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* Ethernet support through the debug board
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* CS1 timings setup
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*/
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omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
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omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
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/*
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* Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
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* It is used as the Ethernet controller interrupt
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*/
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omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9);
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}
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MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
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/* Maintainer: Kevin Hilman <kjh@hilman.org> */
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.phys_io = 0xfff00000,
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.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
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.boot_params = 0x10000100,
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.map_io = omap_perseus2_map_io,
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.init_irq = omap_perseus2_init_irq,
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.init_machine = omap_perseus2_init,
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.timer = &omap_timer,
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MACHINE_END
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