1/* 2 * Renesas Technology Sales RTS7751R2D Support. 3 * 4 * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd. 5 * Copyright (C) 2004 - 2007 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/pata_platform.h> 14#include <linux/serial_8250.h> 15#include <linux/sm501.h> 16#include <linux/pm.h> 17#include <asm/machvec.h> 18#include <asm/rts7751r2d.h> 19#include <asm/voyagergx.h> 20#include <asm/io.h> 21 22static void __init voyagergx_serial_init(void) 23{ 24 unsigned long val; 25 26 /* 27 * GPIO Control 28 */ 29 val = readl((void __iomem *)GPIO_MUX_HIGH); 30 val |= 0x00001fe0; 31 writel(val, (void __iomem *)GPIO_MUX_HIGH); 32 33 /* 34 * Power Mode Gate 35 */ 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); 39 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); 43} 44 45static struct resource cf_ide_resources[] = { 46 [0] = { 47 .start = PA_AREA5_IO + 0x1000, 48 .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, 49 .flags = IORESOURCE_MEM, 50 }, 51 [1] = { 52 .start = PA_AREA5_IO + 0x80c, 53 .end = PA_AREA5_IO + 0x80c + 0x16 - 1, 54 .flags = IORESOURCE_MEM, 55 }, 56 [2] = { 57#ifdef CONFIG_RTS7751R2D_REV11 58 .start = 1, 59#else 60 .start = 2, 61#endif 62 .flags = IORESOURCE_IRQ, 63 }, 64}; 65 66static struct pata_platform_info pata_info = { 67 .ioport_shift = 1, 68}; 69 70static struct platform_device cf_ide_device = { 71 .name = "pata_platform", 72 .id = -1, 73 .num_resources = ARRAY_SIZE(cf_ide_resources), 74 .resource = cf_ide_resources, 75 .dev = { 76 .platform_data = &pata_info, 77 }, 78}; 79 80static struct plat_serial8250_port uart_platform_data[] = { 81 { 82 .membase = (void __iomem *)VOYAGER_UART_BASE, 83 .mapbase = VOYAGER_UART_BASE, 84 .iotype = UPIO_MEM, 85 .irq = VOYAGER_UART0_IRQ, 86 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, 87 .regshift = 2, 88 .uartclk = (9600 * 16), 89 } 90}; 91 92static struct platform_device uart_device = { 93 .name = "serial8250", 94 .id = PLAT8250_DEV_PLATFORM, 95 .dev = { 96 .platform_data = uart_platform_data, 97 }, 98}; 99 100static struct resource heartbeat_resources[] = { 101 [0] = { 102 .start = PA_OUTPORT, 103 .end = PA_OUTPORT + 8 - 1, 104 .flags = IORESOURCE_MEM, 105 }, 106}; 107 108static struct platform_device heartbeat_device = { 109 .name = "heartbeat", 110 .id = -1, 111 .num_resources = ARRAY_SIZE(heartbeat_resources), 112 .resource = heartbeat_resources, 113}; 114 115static struct resource sm501_resources[] = { 116 [0] = { 117 .start = 0x10000000, 118 .end = 0x13e00000 - 1, 119 .flags = IORESOURCE_MEM, 120 }, 121 [1] = { 122 .start = 0x13e00000, 123 .end = 0x13ffffff, 124 .flags = IORESOURCE_MEM, 125 }, 126 [2] = { 127 .start = 32, 128 .flags = IORESOURCE_IRQ, 129 }, 130}; 131 132static struct platform_device sm501_device = { 133 .name = "sm501", 134 .id = -1, 135 .num_resources = ARRAY_SIZE(sm501_resources), 136 .resource = sm501_resources, 137}; 138 139static struct platform_device *rts7751r2d_devices[] __initdata = { 140 &uart_device, 141 &heartbeat_device, 142 &cf_ide_device, 143 &sm501_device, 144}; 145 146static int __init rts7751r2d_devices_setup(void) 147{ 148 return platform_add_devices(rts7751r2d_devices, 149 ARRAY_SIZE(rts7751r2d_devices)); 150} 151__initcall(rts7751r2d_devices_setup); 152 153static void rts7751r2d_power_off(void) 154{ 155 ctrl_outw(0x0001, PA_POWOFF); 156} 157 158/* 159 * Initialize the board 160 */ 161static void __init rts7751r2d_setup(char **cmdline_p) 162{ 163 u16 ver = ctrl_inw(PA_VERREG); 164 165 printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n"); 166 167 printk(KERN_INFO "FPGA version:%d (revision:%d)\n", 168 (ver >> 4) & 0xf, ver & 0xf); 169 170 ctrl_outw(0x0000, PA_OUTPORT); 171 pm_power_off = rts7751r2d_power_off; 172 173 voyagergx_serial_init(); 174} 175 176/* 177 * The Machine Vector 178 */ 179struct sh_machine_vector mv_rts7751r2d __initmv = { 180 .mv_name = "RTS7751R2D", 181 .mv_setup = rts7751r2d_setup, 182 .mv_nr_irqs = 72, 183 184 .mv_init_irq = init_rts7751r2d_IRQ, 185 .mv_irq_demux = rts7751r2d_irq_demux, 186 187#ifdef CONFIG_USB_SM501 188 .mv_consistent_alloc = voyagergx_consistent_alloc, 189 .mv_consistent_free = voyagergx_consistent_free, 190#endif 191}; 192ALIAS_MV(rts7751r2d) 193