1/* 2 * linux/arch/arm/mach-sa1100/hackkit.c 3 * 4 * Copyright (C) 2002 Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de> 5 * 6 * This file contains all HackKit tweaks. Based on original work from 7 * Nicolas Pitre's assabet fixes 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13 */ 14#include <linux/init.h> 15#include <linux/kernel.h> 16#include <linux/sched.h> 17#include <linux/tty.h> 18#include <linux/module.h> 19#include <linux/errno.h> 20#include <linux/cpufreq.h> 21#include <linux/serial_core.h> 22#include <linux/mtd/mtd.h> 23#include <linux/mtd/partitions.h> 24 25#include <asm/hardware.h> 26#include <asm/mach-types.h> 27#include <asm/setup.h> 28#include <asm/page.h> 29#include <asm/pgtable.h> 30#include <asm/irq.h> 31 32#include <asm/mach/arch.h> 33#include <asm/mach/flash.h> 34#include <asm/mach/map.h> 35#include <asm/mach/irq.h> 36#include <asm/mach/serial_sa1100.h> 37 38#include "generic.h" 39 40/********************************************************************** 41 * prototypes 42 */ 43 44/* init funcs */ 45static void __init hackkit_map_io(void); 46 47static u_int hackkit_get_mctrl(struct uart_port *port); 48static void hackkit_set_mctrl(struct uart_port *port, u_int mctrl); 49static void hackkit_uart_pm(struct uart_port *port, u_int state, u_int oldstate); 50 51/********************************************************************** 52 * global data 53 */ 54 55/********************************************************************** 56 * static data 57 */ 58 59static struct map_desc hackkit_io_desc[] __initdata = { 60 { /* Flash bank 0 */ 61 .virtual = 0xe8000000, 62 .pfn = __phys_to_pfn(0x00000000), 63 .length = 0x01000000, 64 .type = MT_DEVICE 65 }, 66}; 67 68static struct sa1100_port_fns hackkit_port_fns __initdata = { 69 .set_mctrl = hackkit_set_mctrl, 70 .get_mctrl = hackkit_get_mctrl, 71 .pm = hackkit_uart_pm, 72}; 73 74/********************************************************************** 75 * Static functions 76 */ 77 78static void __init hackkit_map_io(void) 79{ 80 sa1100_map_io(); 81 iotable_init(hackkit_io_desc, ARRAY_SIZE(hackkit_io_desc)); 82 83 sa1100_register_uart_fns(&hackkit_port_fns); 84 sa1100_register_uart(0, 1); /* com port */ 85 sa1100_register_uart(1, 2); 86 sa1100_register_uart(2, 3); /* radio module */ 87 88 Ser1SDCR0 |= SDCR0_SUS; 89} 90 91/** 92 * hackkit_uart_pm - powermgmt callback function for system 3 UART 93 * @port: uart port structure 94 * @state: pm state 95 * @oldstate: old pm state 96 * 97 */ 98static void hackkit_uart_pm(struct uart_port *port, u_int state, u_int oldstate) 99{ 100 /* TODO: switch on/off uart in powersave mode */ 101} 102 103static void hackkit_set_mctrl(struct uart_port *port, u_int mctrl) 104{ 105} 106 107static u_int hackkit_get_mctrl(struct uart_port *port) 108{ 109 u_int ret = 0; 110 111 ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR; 112 113 return ret; 114} 115 116static struct mtd_partition hackkit_partitions[] = { 117 { 118 .name = "BLOB", 119 .size = 0x00040000, 120 .offset = 0x00000000, 121 .mask_flags = MTD_WRITEABLE, /* force read-only */ 122 }, { 123 .name = "config", 124 .size = 0x00040000, 125 .offset = MTDPART_OFS_APPEND, 126 }, { 127 .name = "kernel", 128 .size = 0x00100000, 129 .offset = MTDPART_OFS_APPEND, 130 }, { 131 .name = "initrd", 132 .size = 0x00180000, 133 .offset = MTDPART_OFS_APPEND, 134 }, { 135 .name = "rootfs", 136 .size = 0x700000, 137 .offset = MTDPART_OFS_APPEND, 138 }, { 139 .name = "data", 140 .size = MTDPART_SIZ_FULL, 141 .offset = MTDPART_OFS_APPEND, 142 } 143}; 144 145static struct flash_platform_data hackkit_flash_data = { 146 .map_name = "cfi_probe", 147 .parts = hackkit_partitions, 148 .nr_parts = ARRAY_SIZE(hackkit_partitions), 149}; 150 151static struct resource hackkit_flash_resource = { 152 .start = SA1100_CS0_PHYS, 153 .end = SA1100_CS0_PHYS + SZ_32M, 154 .flags = IORESOURCE_MEM, 155}; 156 157static void __init hackkit_init(void) 158{ 159 sa11x0_set_flash_data(&hackkit_flash_data, &hackkit_flash_resource, 1); 160} 161 162/********************************************************************** 163 * Exported Functions 164 */ 165 166MACHINE_START(HACKKIT, "HackKit Cpu Board") 167 .phys_io = 0x80000000, 168 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, 169 .boot_params = 0xc0000100, 170 .map_io = hackkit_map_io, 171 .init_irq = sa1100_init_irq, 172 .timer = &sa1100_timer, 173 .init_machine = hackkit_init, 174MACHINE_END 175