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 */
17 static struct resource heartbeat_resource = {
18 .start = PA_LED,
19 .end = PA_LED,
20 .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
21 };
22
23 static struct platform_device heartbeat_device = {
24 .name = "heartbeat",
25 .id = -1,
26 .num_resources = 1,
27 .resource = &heartbeat_resource,
28 };
29
30 /* SMC91x */
31 static 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
45 static 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
56 static struct platform_device *se7780_devices[] __initdata = {
57 &heartbeat_device,
58 &smc91x_eth_device,
59 };
60
se7780_devices_setup(void)61 static int __init se7780_devices_setup(void)
62 {
63 return platform_add_devices(se7780_devices,
64 ARRAY_SIZE(se7780_devices));
65 }
66 device_initcall(se7780_devices_setup);
67
68 #define GPIO_PHCR 0xFFEA000E
69 #define GPIO_PMSELR 0xFFEA0080
70 #define GPIO_PECR 0xFFEA0008
71
se7780_setup(char ** cmdline_p)72 static 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 */
107 static 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