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 */
20 static struct heartbeat_data heartbeat_data = {
21 .regsize = 16,
22 };
23
24 static struct resource heartbeat_resources[] = {
25 [0] = {
26 .start = PA_LED,
27 .end = PA_LED,
28 .flags = IORESOURCE_MEM,
29 },
30 };
31
32 static struct platform_device heartbeat_device = {
33 .name = "heartbeat",
34 .id = -1,
35 .dev = {
36 .platform_data = &heartbeat_data,
37 },
38 .num_resources = ARRAY_SIZE(heartbeat_resources),
39 .resource = heartbeat_resources,
40 };
41
42 /* SMC91x */
43 static struct resource smc91x_eth_resources[] = {
44 [0] = {
45 .name = "smc91x-regs" ,
46 .start = PA_LAN + 0x300,
47 .end = PA_LAN + 0x300 + 0x10 ,
48 .flags = IORESOURCE_MEM,
49 },
50 [1] = {
51 .start = SMC_IRQ,
52 .end = SMC_IRQ,
53 .flags = IORESOURCE_IRQ,
54 },
55 };
56
57 static struct platform_device smc91x_eth_device = {
58 .name = "smc91x",
59 .id = 0,
60 .dev = {
61 .dma_mask = NULL, /* don't use dma */
62 .coherent_dma_mask = 0xffffffff,
63 },
64 .num_resources = ARRAY_SIZE(smc91x_eth_resources),
65 .resource = smc91x_eth_resources,
66 };
67
68 static struct platform_device *se7780_devices[] __initdata = {
69 &heartbeat_device,
70 &smc91x_eth_device,
71 };
72
se7780_devices_setup(void)73 static int __init se7780_devices_setup(void)
74 {
75 return platform_add_devices(se7780_devices,
76 ARRAY_SIZE(se7780_devices));
77 }
78 device_initcall(se7780_devices_setup);
79
80 #define GPIO_PHCR 0xFFEA000E
81 #define GPIO_PMSELR 0xFFEA0080
82 #define GPIO_PECR 0xFFEA0008
83
se7780_setup(char ** cmdline_p)84 static void __init se7780_setup(char **cmdline_p)
85 {
86 /* "SH-Linux" on LED Display */
87 ctrl_outw( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
88 ctrl_outw( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
89 ctrl_outw( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
90 ctrl_outw( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
91 ctrl_outw( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
92 ctrl_outw( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
93 ctrl_outw( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
94 ctrl_outw( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
95
96 printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
97
98 /*
99 * PCI REQ/GNT setting
100 * REQ0/GNT0 -> USB
101 * REQ1/GNT1 -> PC Card
102 * REQ2/GNT2 -> Serial ATA
103 * REQ3/GNT3 -> PCI slot
104 */
105 ctrl_outw(0x0213, FPGA_REQSEL);
106
107 /* GPIO setting */
108 ctrl_outw(0x0000, GPIO_PECR);
109 ctrl_outw(ctrl_inw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
110 ctrl_outw(0x0c00, GPIO_PMSELR);
111
112 /* iVDR Power ON */
113 ctrl_outw(0x0001, FPGA_IVDRPW);
114 }
115
116 /*
117 * The Machine Vector
118 */
119 static struct sh_machine_vector mv_se7780 __initmv = {
120 .mv_name = "Solution Engine 7780" ,
121 .mv_setup = se7780_setup ,
122 .mv_nr_irqs = 111 ,
123 .mv_init_irq = init_se7780_IRQ,
124 };
125