2 * Renesas Technology Sales RTS7751R2D Support.
4 * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd.
5 * Copyright (C) 2004 - 2007 Paul Mundt
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
11 #include <linux/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/pata_platform.h>
14 #include <linux/serial_8250.h>
15 #include <linux/sm501.h>
17 #include <asm/machvec.h>
18 #include <asm/rts7751r2d.h>
19 #include <asm/voyagergx.h>
22 static void __init voyagergx_serial_init(void)
29 val = readl((void __iomem *)GPIO_MUX_HIGH);
31 writel(val, (void __iomem *)GPIO_MUX_HIGH);
36 val = readl((void __iomem *)POWER_MODE0_GATE);
37 val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
38 writel(val, (void __iomem *)POWER_MODE0_GATE);
40 val = readl((void __iomem *)POWER_MODE1_GATE);
41 val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
42 writel(val, (void __iomem *)POWER_MODE1_GATE);
45 static struct resource cf_ide_resources[] = {
47 .start = PA_AREA5_IO + 0x1000,
48 .end = PA_AREA5_IO + 0x1000 + 0x08 - 1,
49 .flags = IORESOURCE_MEM,
52 .start = PA_AREA5_IO + 0x80c,
53 .end = PA_AREA5_IO + 0x80c + 0x16 - 1,
54 .flags = IORESOURCE_MEM,
57 #ifdef CONFIG_RTS7751R2D_REV11
62 .flags = IORESOURCE_IRQ,
66 static struct pata_platform_info pata_info = {
70 static struct platform_device cf_ide_device = {
71 .name = "pata_platform",
73 .num_resources = ARRAY_SIZE(cf_ide_resources),
74 .resource = cf_ide_resources,
76 .platform_data = &pata_info,
80 static struct plat_serial8250_port uart_platform_data[] = {
82 .membase = (void __iomem *)VOYAGER_UART_BASE,
83 .mapbase = VOYAGER_UART_BASE,
85 .irq = VOYAGER_UART0_IRQ,
86 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
88 .uartclk = (9600 * 16),
93 static struct platform_device uart_device = {
95 .id = PLAT8250_DEV_PLATFORM,
97 .platform_data = uart_platform_data,
101 static struct resource heartbeat_resources[] = {
104 .end = PA_OUTPORT + 8 - 1,
105 .flags = IORESOURCE_MEM,
109 static struct platform_device heartbeat_device = {
112 .num_resources = ARRAY_SIZE(heartbeat_resources),
113 .resource = heartbeat_resources,
116 static struct resource sm501_resources[] = {
119 .end = 0x13e00000 - 1,
120 .flags = IORESOURCE_MEM,
125 .flags = IORESOURCE_MEM,
129 .flags = IORESOURCE_IRQ,
133 static struct platform_device sm501_device = {
136 .num_resources = ARRAY_SIZE(sm501_resources),
137 .resource = sm501_resources,
140 static struct platform_device *rts7751r2d_devices[] __initdata = {
146 static int __init rts7751r2d_devices_setup(void)
150 if (ctrl_inw(PA_BVERREG) == 0x10) { /* only working on R2D-PLUS */
151 ret = platform_device_register(&cf_ide_device);
156 return platform_add_devices(rts7751r2d_devices,
157 ARRAY_SIZE(rts7751r2d_devices));
159 __initcall(rts7751r2d_devices_setup);
161 static void rts7751r2d_power_off(void)
163 ctrl_outw(0x0001, PA_POWOFF);
167 * Initialize the board
169 static void __init rts7751r2d_setup(char **cmdline_p)
171 u16 ver = ctrl_inw(PA_VERREG);
173 printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
175 printk(KERN_INFO "FPGA version:%d (revision:%d)\n",
176 (ver >> 4) & 0xf, ver & 0xf);
178 ctrl_outw(0x0000, PA_OUTPORT);
179 pm_power_off = rts7751r2d_power_off;
181 voyagergx_serial_init();
187 static struct sh_machine_vector mv_rts7751r2d __initmv = {
188 .mv_name = "RTS7751R2D",
189 .mv_setup = rts7751r2d_setup,
192 .mv_init_irq = init_rts7751r2d_IRQ,
193 .mv_irq_demux = rts7751r2d_irq_demux,
195 #ifdef CONFIG_USB_SM501
196 .mv_consistent_alloc = voyagergx_consistent_alloc,
197 .mv_consistent_free = voyagergx_consistent_free,