197 lines
4.6 KiB
C
197 lines
4.6 KiB
C
/*
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* Renesas Technology Corp. SH7786 Urquell Support.
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*
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* Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
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*
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* Based on board-sh7785lcr.c
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* Copyright (C) 2008 Yoshihiro Shimoda
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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/fb.h>
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#include <linux/smc91x.h>
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#include <linux/mtd/physmap.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/irq.h>
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#include <mach/urquell.h>
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#include <cpu/sh7786.h>
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#include <asm/heartbeat.h>
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#include <asm/sizes.h>
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/*
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* bit 1234 5678
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*----------------------------
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* SW1 0101 0010 -> Pck 33MHz version
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* (1101 0010) Pck 66MHz version
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* SW2 0x1x xxxx -> little endian
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* 29bit mode
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* SW47 0001 1000 -> CS0 : on-board flash
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* CS1 : SRAM, registers, LAN, PCMCIA
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* 38400 bps for SCIF1
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*
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* Address
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* 0x00000000 - 0x04000000 (CS0) Nor Flash
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* 0x04000000 - 0x04200000 (CS1) SRAM
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* 0x05000000 - 0x05800000 (CS1) on board register
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* 0x05800000 - 0x06000000 (CS1) LAN91C111
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* 0x06000000 - 0x06400000 (CS1) PCMCIA
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* 0x08000000 - 0x10000000 (CS2-CS3) DDR3
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* 0x10000000 - 0x14000000 (CS4) PCIe
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* 0x14000000 - 0x14800000 (CS5) Core0 LRAM/URAM
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* 0x14800000 - 0x15000000 (CS5) Core1 LRAM/URAM
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* 0x18000000 - 0x1C000000 (CS6) ATA/NAND-Flash
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* 0x1C000000 - (CS7) SH7786 Control register
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*/
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/* HeartBeat */
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static struct resource heartbeat_resources[] = {
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[0] = {
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.start = BOARDREG(SLEDR),
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.end = BOARDREG(SLEDR),
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.flags = IORESOURCE_MEM,
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},
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};
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static struct heartbeat_data heartbeat_data = {
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.regsize = 16,
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};
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static struct platform_device heartbeat_device = {
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.name = "heartbeat",
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.id = -1,
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.dev = {
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.platform_data = &heartbeat_data,
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},
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.num_resources = ARRAY_SIZE(heartbeat_resources),
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.resource = heartbeat_resources,
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};
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/* LAN91C111 */
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
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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 = 0x05800300,
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.end = 0x0580030f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 11,
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.flags = IORESOURCE_IRQ,
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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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/* Nor Flash */
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static struct mtd_partition nor_flash_partitions[] = {
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{
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.name = "loader",
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.offset = 0x00000000,
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.size = SZ_512K,
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.mask_flags = MTD_WRITEABLE, /* Read-only */
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},
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{
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.name = "bootenv",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_512K,
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.mask_flags = MTD_WRITEABLE, /* Read-only */
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_4M,
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},
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{
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.name = "data",
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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 nor_flash_data = {
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.width = 2,
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.parts = nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(nor_flash_partitions),
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};
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static struct resource nor_flash_resources[] = {
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[0] = {
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.start = NOR_FLASH_ADDR,
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.end = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device nor_flash_device = {
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.name = "physmap-flash",
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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.resource = nor_flash_resources,
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};
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static struct platform_device *urquell_devices[] __initdata = {
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&heartbeat_device,
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&smc91x_eth_device,
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&nor_flash_device,
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};
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static int __init urquell_devices_setup(void)
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{
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/* USB */
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gpio_request(GPIO_FN_USB_OVC0, NULL);
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gpio_request(GPIO_FN_USB_PENC0, NULL);
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/* enable LAN */
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__raw_writew(__raw_readw(UBOARDREG(IRL2MSKR)) & ~0x00000001,
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UBOARDREG(IRL2MSKR));
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return platform_add_devices(urquell_devices,
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ARRAY_SIZE(urquell_devices));
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}
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device_initcall(urquell_devices_setup);
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static void urquell_power_off(void)
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{
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__raw_writew(0xa5a5, UBOARDREG(SRSTR));
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}
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static void __init urquell_init_irq(void)
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{
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plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK);
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}
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/* Initialize the board */
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static void __init urquell_setup(char **cmdline_p)
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{
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printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n");
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pm_power_off = urquell_power_off;
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}
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/*
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* The Machine Vector
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*/
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static struct sh_machine_vector mv_urquell __initmv = {
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.mv_name = "Urquell",
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.mv_setup = urquell_setup,
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.mv_init_irq = urquell_init_irq,
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};
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