1/* 2 * linux/arch/sh/boards/se/7780/setup.c 3 * 4 * Copyright (C) 2006,2007 Nobuhiro Iwamatsu 5 * 6 * Hitachi UL SolutionEngine 7780 Support. 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file "COPYING" in the main directory of this archive 10 * for more details. 11 */ 12#include <linux/init.h> 13#include <linux/platform_device.h> 14#include <asm/machvec.h> 15#include <mach-se/mach/se7780.h> 16#include <asm/io.h> 17#include <asm/heartbeat.h> 18 19/* Heartbeat */ 20static struct resource heartbeat_resource = { 21 .start = PA_LED, 22 .end = PA_LED, 23 .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, 24}; 25 26static struct platform_device heartbeat_device = { 27 .name = "heartbeat", 28 .id = -1, 29 .num_resources = 1, 30 .resource = &heartbeat_resource, 31}; 32 33/* SMC91x */ 34static struct resource smc91x_eth_resources[] = { 35 [0] = { 36 .name = "smc91x-regs" , 37 .start = PA_LAN + 0x300, 38 .end = PA_LAN + 0x300 + 0x10 , 39 .flags = IORESOURCE_MEM, 40 }, 41 [1] = { 42 .start = SMC_IRQ, 43 .end = SMC_IRQ, 44 .flags = IORESOURCE_IRQ, 45 }, 46}; 47 48static struct platform_device smc91x_eth_device = { 49 .name = "smc91x", 50 .id = 0, 51 .dev = { 52 .dma_mask = NULL, /* don't use dma */ 53 .coherent_dma_mask = 0xffffffff, 54 }, 55 .num_resources = ARRAY_SIZE(smc91x_eth_resources), 56 .resource = smc91x_eth_resources, 57}; 58 59static struct platform_device *se7780_devices[] __initdata = { 60 &heartbeat_device, 61 &smc91x_eth_device, 62}; 63 64static int __init se7780_devices_setup(void) 65{ 66 return platform_add_devices(se7780_devices, 67 ARRAY_SIZE(se7780_devices)); 68} 69device_initcall(se7780_devices_setup); 70 71#define GPIO_PHCR 0xFFEA000E 72#define GPIO_PMSELR 0xFFEA0080 73#define GPIO_PECR 0xFFEA0008 74 75static void __init se7780_setup(char **cmdline_p) 76{ 77 /* "SH-Linux" on LED Display */ 78 __raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) ); 79 __raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) ); 80 __raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) ); 81 __raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) ); 82 __raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) ); 83 __raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) ); 84 __raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) ); 85 __raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) ); 86 87 printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n"); 88 89 /* 90 * PCI REQ/GNT setting 91 * REQ0/GNT0 -> USB 92 * REQ1/GNT1 -> PC Card 93 * REQ2/GNT2 -> Serial ATA 94 * REQ3/GNT3 -> PCI slot 95 */ 96 __raw_writew(0x0213, FPGA_REQSEL); 97 98 /* GPIO setting */ 99 __raw_writew(0x0000, GPIO_PECR); 100 __raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR); 101 __raw_writew(0x0c00, GPIO_PMSELR); 102 103 /* iVDR Power ON */ 104 __raw_writew(0x0001, FPGA_IVDRPW); 105} 106 107/* 108 * The Machine Vector 109 */ 110static struct sh_machine_vector mv_se7780 __initmv = { 111 .mv_name = "Solution Engine 7780" , 112 .mv_setup = se7780_setup , 113 .mv_nr_irqs = 111 , 114 .mv_init_irq = init_se7780_IRQ, 115}; 116