1/*
  2 * linux/arch/arm/mach-sa1100/nanoengine.c
  3 *
  4 * Bright Star Engineering's nanoEngine board init code.
  5 *
  6 * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
  7 *
  8 * This program is free software; you can redistribute it and/or modify
  9 * it under the terms of the GNU General Public License version 2 as
 10 * published by the Free Software Foundation.
 11 *
 12 */
 13
 14#include <linux/init.h>
 15#include <linux/gpio/machine.h>
 16#include <linux/kernel.h>
 17#include <linux/platform_data/sa11x0-serial.h>
 18#include <linux/mtd/mtd.h>
 19#include <linux/mtd/partitions.h>
 20#include <linux/root_dev.h>
 21
 22#include <asm/mach-types.h>
 23#include <asm/setup.h>
 24#include <asm/page.h>
 25
 26#include <asm/mach/arch.h>
 27#include <asm/mach/flash.h>
 28#include <asm/mach/map.h>
 29
 30#include <mach/hardware.h>
 31#include <mach/nanoengine.h>
 32#include <mach/irqs.h>
 33
 34#include "generic.h"
 35
 36/* Flash bank 0 */
 37static struct mtd_partition nanoengine_partitions[] = {
 38	{
 39		.name	= "nanoEngine boot firmware and parameter table",
 40		.size		= 0x00010000,  /* 32K */
 41		.offset		= 0,
 42		.mask_flags	= MTD_WRITEABLE,
 43	}, {
 44		.name		= "kernel/initrd reserved",
 45		.size		= 0x002f0000,
 46		.offset		= 0x00010000,
 47		.mask_flags	= MTD_WRITEABLE,
 48	}, {
 49		.name		= "experimental filesystem allocation",
 50		.size		= 0x00100000,
 51		.offset		= 0x00300000,
 52		.mask_flags	= MTD_WRITEABLE,
 53	}
 54};
 55
 56static struct flash_platform_data nanoengine_flash_data = {
 57	.map_name	= "jedec_probe",
 58	.parts		= nanoengine_partitions,
 59	.nr_parts	= ARRAY_SIZE(nanoengine_partitions),
 60};
 61
 62static struct resource nanoengine_flash_resources[] = {
 63	DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
 64	DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_32M),
 65};
 66
 67static struct map_desc nanoengine_io_desc[] __initdata = {
 68	{
 69		/* System Registers */
 70		.virtual	= 0xf0000000,
 71		.pfn		= __phys_to_pfn(0x10000000),
 72		.length		= 0x00100000,
 73		.type		= MT_DEVICE
 74	}, {
 75		/* Internal PCI Memory Read/Write */
 76		.virtual	= NANO_PCI_MEM_RW_VIRT,
 77		.pfn		= __phys_to_pfn(NANO_PCI_MEM_RW_PHYS),
 78		.length		= NANO_PCI_MEM_RW_SIZE,
 79		.type		= MT_DEVICE
 80	}, {
 81		/* Internal PCI Config Space */
 82		.virtual	= NANO_PCI_CONFIG_SPACE_VIRT,
 83		.pfn		= __phys_to_pfn(NANO_PCI_CONFIG_SPACE_PHYS),
 84		.length		= NANO_PCI_CONFIG_SPACE_SIZE,
 85		.type		= MT_DEVICE
 86	}
 87};
 88
 89static void __init nanoengine_map_io(void)
 90{
 91	sa1100_map_io();
 92	iotable_init(nanoengine_io_desc, ARRAY_SIZE(nanoengine_io_desc));
 93
 94	sa1100_register_uart(0, 1);
 95	sa1100_register_uart(1, 2);
 96	sa1100_register_uart(2, 3);
 97	Ser1SDCR0 |= SDCR0_UART;
 98	/* disable IRDA -- UART2 is used as a normal serial port */
 99	Ser2UTCR4 = 0;
100	Ser2HSCR0 = 0;
101}
102
103static struct gpiod_lookup_table nanoengine_pcmcia0_gpio_table = {
104	.dev_id = "sa11x0-pcmcia.0",
105	.table = {
106		GPIO_LOOKUP("gpio", 11, "ready", GPIO_ACTIVE_HIGH),
107		GPIO_LOOKUP("gpio", 13, "detect", GPIO_ACTIVE_LOW),
108		GPIO_LOOKUP("gpio", 15, "reset", GPIO_ACTIVE_HIGH),
109		{ },
110	},
111};
112
113static struct gpiod_lookup_table nanoengine_pcmcia1_gpio_table = {
114	.dev_id = "sa11x0-pcmcia.1",
115	.table = {
116		GPIO_LOOKUP("gpio", 12, "ready", GPIO_ACTIVE_HIGH),
117		GPIO_LOOKUP("gpio", 14, "detect", GPIO_ACTIVE_LOW),
118		GPIO_LOOKUP("gpio", 16, "reset", GPIO_ACTIVE_HIGH),
119		{ },
120	},
121};
122
123static void __init nanoengine_init(void)
124{
125	sa11x0_register_pcmcia(0, &nanoengine_pcmcia0_gpio_table);
126	sa11x0_register_pcmcia(1, &nanoengine_pcmcia1_gpio_table);
127	sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources,
128		ARRAY_SIZE(nanoengine_flash_resources));
129}
130
131MACHINE_START(NANOENGINE, "BSE nanoEngine")
132	.atag_offset	= 0x100,
133	.map_io		= nanoengine_map_io,
134	.nr_irqs	= SA1100_NR_IRQS,
135	.init_irq	= sa1100_init_irq,
136	.init_time	= sa1100_timer_init,
137	.init_machine	= nanoengine_init,
138	.init_late	= sa11x0_init_late,
139	.restart	= sa11x0_restart,
140MACHINE_END