d97be1202245059f3b3d82465e88f83814b06cc5
[linux-2.6.git] / arch / sh / boards / renesas / rts7751r2d / setup.c
1 /*
2  * Renesas Technology Sales RTS7751R2D Support.
3  *
4  * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
5  * Copyright (C) 2004 - 2006 Paul Mundt
6  *
7  * This file is subject to the terms and conditions of the GNU General Public
8  * License.  See the file "COPYING" in the main directory of this archive
9  * for more details.
10  */
11 #include <linux/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/serial_8250.h>
14 #include <linux/pm.h>
15 #include <asm/machvec.h>
16 #include <asm/mach/rts7751r2d.h>
17 #include <asm/io.h>
18 #include <asm/voyagergx.h>
19
20 extern void heartbeat_rts7751r2d(void);
21 extern void init_rts7751r2d_IRQ(void);
22 extern int rts7751r2d_irq_demux(int irq);
23
24 extern void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
25 extern int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t);
26
27 static struct plat_serial8250_port uart_platform_data[] = {
28         {
29                 .membase        = (void *)VOYAGER_UART_BASE,
30                 .mapbase        = VOYAGER_UART_BASE,
31                 .iotype         = UPIO_MEM,
32                 .irq            = VOYAGER_UART0_IRQ,
33                 .flags          = UPF_BOOT_AUTOCONF,
34                 .regshift       = 2,
35                 .uartclk        = (9600 * 16),
36         }, {
37                 .flags          = 0,
38         },
39 };
40
41 static void __init voyagergx_serial_init(void)
42 {
43         unsigned long val;
44
45         /*
46          * GPIO Control
47          */
48         val = inl(GPIO_MUX_HIGH);
49         val |= 0x00001fe0;
50         outl(val, GPIO_MUX_HIGH);
51
52         /*
53          * Power Mode Gate
54          */
55         val = inl(POWER_MODE0_GATE);
56         val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
57         outl(val, POWER_MODE0_GATE);
58
59         val = inl(POWER_MODE1_GATE);
60         val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
61         outl(val, POWER_MODE1_GATE);
62 }
63
64 static struct platform_device uart_device = {
65         .name           = "serial8250",
66         .id             = -1,
67         .dev            = {
68                 .platform_data  = uart_platform_data,
69         },
70 };
71
72 static struct resource heartbeat_resources[] = {
73         [0] = {
74                 .start  = PA_OUTPORT,
75                 .end    = PA_OUTPORT + 8 - 1,
76                 .flags  = IORESOURCE_MEM,
77         },
78 };
79
80 static struct platform_device heartbeat_device = {
81         .name           = "heartbeat",
82         .id             = -1,
83         .num_resources  = ARRAY_SIZE(heartbeat_resources),
84         .resource       = heartbeat_resources,
85 };
86
87 static struct platform_device *rts7751r2d_devices[] __initdata = {
88         &uart_device,
89         &heartbeat_device,
90 };
91
92 static int __init rts7751r2d_devices_setup(void)
93 {
94         return platform_add_devices(rts7751r2d_devices,
95                                     ARRAY_SIZE(rts7751r2d_devices));
96 }
97
98 static void rts7751r2d_power_off(void)
99 {
100         ctrl_outw(0x0001, PA_POWOFF);
101 }
102
103 /*
104  * Initialize the board
105  */
106 static void __init rts7751r2d_setup(char **cmdline_p)
107 {
108         device_initcall(rts7751r2d_devices_setup);
109
110         ctrl_outw(0x0000, PA_OUTPORT);
111         pm_power_off = rts7751r2d_power_off;
112
113         voyagergx_serial_init();
114
115         printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
116 }
117
118 /*
119  * The Machine Vector
120  */
121 struct sh_machine_vector mv_rts7751r2d __initmv = {
122         .mv_name                = "RTS7751R2D",
123         .mv_setup               = rts7751r2d_setup,
124         .mv_nr_irqs             = 72,
125
126         .mv_inb                 = rts7751r2d_inb,
127         .mv_inw                 = rts7751r2d_inw,
128         .mv_inl                 = rts7751r2d_inl,
129         .mv_outb                = rts7751r2d_outb,
130         .mv_outw                = rts7751r2d_outw,
131         .mv_outl                = rts7751r2d_outl,
132
133         .mv_inb_p               = rts7751r2d_inb_p,
134         .mv_inw_p               = rts7751r2d_inw,
135         .mv_inl_p               = rts7751r2d_inl,
136         .mv_outb_p              = rts7751r2d_outb_p,
137         .mv_outw_p              = rts7751r2d_outw,
138         .mv_outl_p              = rts7751r2d_outl,
139
140         .mv_insb                = rts7751r2d_insb,
141         .mv_insw                = rts7751r2d_insw,
142         .mv_insl                = rts7751r2d_insl,
143         .mv_outsb               = rts7751r2d_outsb,
144         .mv_outsw               = rts7751r2d_outsw,
145         .mv_outsl               = rts7751r2d_outsl,
146
147         .mv_init_irq            = init_rts7751r2d_IRQ,
148         .mv_irq_demux           = rts7751r2d_irq_demux,
149
150 #ifdef CONFIG_USB_SM501
151         .mv_consistent_alloc    = voyagergx_consistent_alloc,
152         .mv_consistent_free     = voyagergx_consistent_free,
153 #endif
154 };
155 ALIAS_MV(rts7751r2d)