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/arch/sh/boards/mach-se/7780/setup.c

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C | 115 lines | 76 code | 13 blank | 26 comment | 0 complexity | 146457691039c6071b1de3754b5da341 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  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};