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};
112