257 lines
6.1 KiB
C
257 lines
6.1 KiB
C
/*
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* Renesas System Solutions Asia Pte. Ltd - Migo-R
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*
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* Copyright (C) 2008 Magnus Damm
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/input.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/nand.h>
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#include <linux/i2c.h>
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#include <linux/smc91x.h>
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#include <asm/clock.h>
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#include <asm/machvec.h>
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#include <asm/io.h>
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#include <asm/sh_keysc.h>
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#include <asm/migor.h>
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/* Address IRQ Size Bus Description
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* 0x00000000 64MB 16 NOR Flash (SP29PL256N)
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* 0x0c000000 64MB 64 SDRAM (2xK4M563233G)
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* 0x10000000 IRQ0 16 Ethernet (SMC91C111)
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* 0x14000000 IRQ4 16 USB 2.0 Host Controller (M66596)
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* 0x18000000 8GB 8 NAND Flash (K9K8G08U0A)
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*/
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_16BIT,
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};
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static struct resource smc91x_eth_resources[] = {
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[0] = {
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.name = "SMC91C111" ,
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.start = 0x10000300,
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.end = 0x1000030f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 32, /* IRQ0 */
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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};
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static struct platform_device smc91x_eth_device = {
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.name = "smc91x",
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.num_resources = ARRAY_SIZE(smc91x_eth_resources),
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.resource = smc91x_eth_resources,
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.dev = {
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.platform_data = &smc91x_info,
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},
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};
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static struct sh_keysc_info sh_keysc_info = {
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.mode = SH_KEYSC_MODE_2, /* KEYOUT0->4, KEYIN1->5 */
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.scan_timing = 3,
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.delay = 5,
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.keycodes = {
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0, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_ENTER,
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0, KEY_F, KEY_C, KEY_D, KEY_H, KEY_1,
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0, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
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0, KEY_7, KEY_8, KEY_9, KEY_S, KEY_0,
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0, KEY_P, KEY_STOP, KEY_REWIND, KEY_PLAY, KEY_FASTFORWARD,
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},
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};
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static struct resource sh_keysc_resources[] = {
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[0] = {
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.start = 0x044b0000,
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.end = 0x044b000f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 79,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sh_keysc_device = {
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.name = "sh_keysc",
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.num_resources = ARRAY_SIZE(sh_keysc_resources),
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.resource = sh_keysc_resources,
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.dev = {
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.platform_data = &sh_keysc_info,
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},
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};
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static struct mtd_partition migor_nor_flash_partitions[] =
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{
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{
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.name = "uboot",
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.offset = 0,
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.size = (1 * 1024 * 1024),
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.mask_flags = MTD_WRITEABLE, /* Read-only */
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},
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_APPEND,
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.size = (15 * 1024 * 1024),
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},
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{
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.name = "other",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct physmap_flash_data migor_nor_flash_data = {
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.width = 2,
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.parts = migor_nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(migor_nor_flash_partitions),
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};
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static struct resource migor_nor_flash_resources[] = {
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[0] = {
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.name = "NOR Flash",
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.start = 0x00000000,
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.end = 0x03ffffff,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device migor_nor_flash_device = {
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.name = "physmap-flash",
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.resource = migor_nor_flash_resources,
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.num_resources = ARRAY_SIZE(migor_nor_flash_resources),
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.dev = {
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.platform_data = &migor_nor_flash_data,
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},
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};
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static struct mtd_partition migor_nand_flash_partitions[] = {
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{
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.name = "nanddata1",
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.offset = 0x0,
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.size = 512 * 1024 * 1024,
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},
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{
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.name = "nanddata2",
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.offset = MTDPART_OFS_APPEND,
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.size = 512 * 1024 * 1024,
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},
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};
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static void migor_nand_flash_cmd_ctl(struct mtd_info *mtd, int cmd,
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unsigned int ctrl)
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{
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struct nand_chip *chip = mtd->priv;
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if (cmd == NAND_CMD_NONE)
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return;
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if (ctrl & NAND_CLE)
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writeb(cmd, chip->IO_ADDR_W + 0x00400000);
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else if (ctrl & NAND_ALE)
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writeb(cmd, chip->IO_ADDR_W + 0x00800000);
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else
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writeb(cmd, chip->IO_ADDR_W);
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}
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static int migor_nand_flash_ready(struct mtd_info *mtd)
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{
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return ctrl_inb(PORT_PADR) & 0x02; /* PTA1 */
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}
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struct platform_nand_data migor_nand_flash_data = {
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.chip = {
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.nr_chips = 1,
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.partitions = migor_nand_flash_partitions,
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.nr_partitions = ARRAY_SIZE(migor_nand_flash_partitions),
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.chip_delay = 20,
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.part_probe_types = (const char *[]) { "cmdlinepart", NULL },
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},
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.ctrl = {
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.dev_ready = migor_nand_flash_ready,
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.cmd_ctrl = migor_nand_flash_cmd_ctl,
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},
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};
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static struct resource migor_nand_flash_resources[] = {
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[0] = {
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.name = "NAND Flash",
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.start = 0x18000000,
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.end = 0x18ffffff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device migor_nand_flash_device = {
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.name = "gen_nand",
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.resource = migor_nand_flash_resources,
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.num_resources = ARRAY_SIZE(migor_nand_flash_resources),
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.dev = {
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.platform_data = &migor_nand_flash_data,
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}
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};
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static struct platform_device *migor_devices[] __initdata = {
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&smc91x_eth_device,
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&sh_keysc_device,
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&migor_nor_flash_device,
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&migor_nand_flash_device,
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};
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static struct i2c_board_info __initdata migor_i2c_devices[] = {
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{
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I2C_BOARD_INFO("rs5c372b", 0x32),
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},
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{
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I2C_BOARD_INFO("migor_ts", 0x51),
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.irq = 38, /* IRQ6 */
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},
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};
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static int __init migor_devices_setup(void)
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{
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clk_always_enable("mstp214"); /* KEYSC */
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i2c_register_board_info(0, migor_i2c_devices,
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ARRAY_SIZE(migor_i2c_devices));
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return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
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}
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__initcall(migor_devices_setup);
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static void __init migor_setup(char **cmdline_p)
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{
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/* SMC91C111 - Enable IRQ0 */
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ctrl_outw(ctrl_inw(PORT_PJCR) & ~0x0003, PORT_PJCR);
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/* KEYSC */
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ctrl_outw(ctrl_inw(PORT_PYCR) & ~0x0fff, PORT_PYCR);
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ctrl_outw(ctrl_inw(PORT_PZCR) & ~0x0ff0, PORT_PZCR);
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ctrl_outw(ctrl_inw(PORT_PSELA) & ~0x4100, PORT_PSELA);
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ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA);
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ctrl_outw(ctrl_inw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC);
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/* NAND Flash */
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ctrl_outw(ctrl_inw(PORT_PXCR) & 0x0fff, PORT_PXCR);
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ctrl_outl((ctrl_inl(BSC_CS6ABCR) & ~0x00000600) | 0x00000200,
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BSC_CS6ABCR);
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/* Touch Panel - Enable IRQ6 */
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ctrl_outw(ctrl_inw(PORT_PZCR) & ~0xc, PORT_PZCR);
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ctrl_outw((ctrl_inw(PORT_PSELA) | 0x8000), PORT_PSELA);
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ctrl_outw((ctrl_inw(PORT_HIZCRC) & ~0x4000), PORT_HIZCRC);
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}
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static struct sh_machine_vector mv_migor __initmv = {
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.mv_name = "Migo-R",
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.mv_setup = migor_setup,
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};
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