setup.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * linux/arch/sh/boards/se/7780/setup.c
  4 *
  5 * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
  6 *
  7 * Hitachi UL SolutionEngine 7780 Support.
  8 */
  9#include <linux/init.h>
 10#include <linux/platform_device.h>
 11#include <asm/machvec.h>
 12#include <mach-se/mach/se7780.h>
 13#include <asm/io.h>
 14#include <asm/heartbeat.h>
 15
 16/* Heartbeat */
 17static struct resource heartbeat_resource = {
 18	.start  = PA_LED,
 19	.end    = PA_LED,
 20	.flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
 21};
 22
 23static struct platform_device heartbeat_device = {
 24	.name           = "heartbeat",
 25	.id             = -1,
 26	.num_resources  = 1,
 27	.resource       = &heartbeat_resource,
 28};
 29
 30/* SMC91x */
 31static struct resource smc91x_eth_resources[] = {
 32	[0] = {
 33		.name   = "smc91x-regs" ,
 34		.start  = PA_LAN + 0x300,
 35		.end    = PA_LAN + 0x300 + 0x10 ,
 36		.flags  = IORESOURCE_MEM,
 37	},
 38	[1] = {
 39		.start  = SMC_IRQ,
 40		.end    = SMC_IRQ,
 41		.flags  = IORESOURCE_IRQ,
 42	},
 43};
 44
 45static struct platform_device smc91x_eth_device = {
 46	.name           = "smc91x",
 47	.id             = 0,
 48	.dev = {
 49		.dma_mask               = NULL,         /* don't use dma */
 50		.coherent_dma_mask      = 0xffffffff,
 51	},
 52	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
 53	.resource       = smc91x_eth_resources,
 54};
 55
 56static struct platform_device *se7780_devices[] __initdata = {
 57	&heartbeat_device,
 58	&smc91x_eth_device,
 59};
 60
 61static int __init se7780_devices_setup(void)
 62{
 63	return platform_add_devices(se7780_devices,
 64		ARRAY_SIZE(se7780_devices));
 65}
 66device_initcall(se7780_devices_setup);
 67
 68#define GPIO_PHCR        0xFFEA000E
 69#define GPIO_PMSELR      0xFFEA0080
 70#define GPIO_PECR        0xFFEA0008
 71
 72static void __init se7780_setup(char **cmdline_p)
 73{
 74	/* "SH-Linux" on LED Display */
 75	__raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
 76	__raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
 77	__raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
 78	__raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
 79	__raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
 80	__raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
 81	__raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
 82	__raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
 83
 84	printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
 85
 86	/*
 87	 * PCI REQ/GNT setting
 88	 *   REQ0/GNT0 -> USB
 89	 *   REQ1/GNT1 -> PC Card
 90	 *   REQ2/GNT2 -> Serial ATA
 91	 *   REQ3/GNT3 -> PCI slot
 92	 */
 93	__raw_writew(0x0213, FPGA_REQSEL);
 94
 95	/* GPIO setting */
 96	__raw_writew(0x0000, GPIO_PECR);
 97	__raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
 98	__raw_writew(0x0c00, GPIO_PMSELR);
 99
100	/* iVDR Power ON */
101	__raw_writew(0x0001, FPGA_IVDRPW);
102}
103
104/*
105 * The Machine Vector
106 */
107static struct sh_machine_vector mv_se7780 __initmv = {
108	.mv_name                = "Solution Engine 7780" ,
109	.mv_setup               = se7780_setup ,
110	.mv_init_irq		= init_se7780_IRQ,
111};