Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Renesas Technology Sales RTS7751R2D Support. |
| 3 | * |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 4 | * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd. |
| 5 | * Copyright (C) 2004 - 2007 Paul Mundt |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/init.h> |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 12 | #include <linux/platform_device.h> |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 13 | #include <linux/pata_platform.h> |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 14 | #include <linux/serial_8250.h> |
Paul Mundt | a56d276 | 2006-09-27 11:43:24 +0900 | [diff] [blame] | 15 | #include <linux/pm.h> |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 16 | #include <asm/machvec.h> |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 17 | #include <asm/rts7751r2d.h> |
Paul Mundt | adf1890 | 2006-09-27 17:17:27 +0900 | [diff] [blame] | 18 | #include <asm/voyagergx.h> |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 19 | #include <asm/io.h> |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 20 | |
| 21 | static void __init voyagergx_serial_init(void) |
| 22 | { |
| 23 | unsigned long val; |
| 24 | |
| 25 | /* |
| 26 | * GPIO Control |
| 27 | */ |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 28 | val = readl((void __iomem *)GPIO_MUX_HIGH); |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 29 | val |= 0x00001fe0; |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 30 | writel(val, (void __iomem *)GPIO_MUX_HIGH); |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 31 | |
| 32 | /* |
| 33 | * Power Mode Gate |
| 34 | */ |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 35 | val = readl((void __iomem *)POWER_MODE0_GATE); |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 36 | val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1); |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 37 | writel(val, (void __iomem *)POWER_MODE0_GATE); |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 38 | |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 39 | val = readl((void __iomem *)POWER_MODE1_GATE); |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 40 | val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1); |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 41 | writel(val, (void __iomem *)POWER_MODE1_GATE); |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 42 | } |
| 43 | |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 44 | static struct resource cf_ide_resources[] = { |
| 45 | [0] = { |
| 46 | .start = PA_AREA5_IO + 0x1000, |
| 47 | .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, |
| 48 | .flags = IORESOURCE_MEM, |
| 49 | }, |
| 50 | [1] = { |
| 51 | .start = PA_AREA5_IO + 0x80c, |
| 52 | .end = PA_AREA5_IO + 0x80c + 0x16 - 1, |
| 53 | .flags = IORESOURCE_MEM, |
| 54 | }, |
| 55 | [2] = { |
| 56 | #ifdef CONFIG_RTS7751R2D_REV11 |
| 57 | .start = 1, |
| 58 | #else |
| 59 | .start = 2, |
| 60 | #endif |
| 61 | .flags = IORESOURCE_IRQ, |
| 62 | }, |
| 63 | }; |
| 64 | |
| 65 | static struct pata_platform_info pata_info = { |
| 66 | .ioport_shift = 1, |
| 67 | }; |
| 68 | |
| 69 | static struct platform_device cf_ide_device = { |
| 70 | .name = "pata_platform", |
| 71 | .id = -1, |
| 72 | .num_resources = ARRAY_SIZE(cf_ide_resources), |
| 73 | .resource = cf_ide_resources, |
| 74 | .dev = { |
| 75 | .platform_data = &pata_info, |
| 76 | }, |
| 77 | }; |
| 78 | |
| 79 | static struct plat_serial8250_port uart_platform_data[] = { |
| 80 | { |
| 81 | .membase = (void __iomem *)VOYAGER_UART_BASE, |
| 82 | .mapbase = VOYAGER_UART_BASE, |
| 83 | .iotype = UPIO_MEM, |
| 84 | .irq = VOYAGER_UART0_IRQ, |
| 85 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, |
| 86 | .regshift = 2, |
| 87 | .uartclk = (9600 * 16), |
| 88 | } |
| 89 | }; |
| 90 | |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 91 | static struct platform_device uart_device = { |
| 92 | .name = "serial8250", |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 93 | .id = PLAT8250_DEV_PLATFORM, |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 94 | .dev = { |
| 95 | .platform_data = uart_platform_data, |
| 96 | }, |
| 97 | }; |
| 98 | |
Paul Mundt | 3b4d953 | 2007-02-13 15:42:28 +0900 | [diff] [blame] | 99 | static struct resource heartbeat_resources[] = { |
| 100 | [0] = { |
| 101 | .start = PA_OUTPORT, |
| 102 | .end = PA_OUTPORT + 8 - 1, |
| 103 | .flags = IORESOURCE_MEM, |
| 104 | }, |
| 105 | }; |
| 106 | |
| 107 | static struct platform_device heartbeat_device = { |
| 108 | .name = "heartbeat", |
| 109 | .id = -1, |
| 110 | .num_resources = ARRAY_SIZE(heartbeat_resources), |
| 111 | .resource = heartbeat_resources, |
| 112 | }; |
| 113 | |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 114 | static struct platform_device *rts7751r2d_devices[] __initdata = { |
| 115 | &uart_device, |
Paul Mundt | 3b4d953 | 2007-02-13 15:42:28 +0900 | [diff] [blame] | 116 | &heartbeat_device, |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 117 | &cf_ide_device, |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 118 | }; |
| 119 | |
| 120 | static int __init rts7751r2d_devices_setup(void) |
| 121 | { |
| 122 | return platform_add_devices(rts7751r2d_devices, |
| 123 | ARRAY_SIZE(rts7751r2d_devices)); |
| 124 | } |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 125 | __initcall(rts7751r2d_devices_setup); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | |
Paul Mundt | a56d276 | 2006-09-27 11:43:24 +0900 | [diff] [blame] | 127 | static void rts7751r2d_power_off(void) |
| 128 | { |
| 129 | ctrl_outw(0x0001, PA_POWOFF); |
| 130 | } |
| 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | /* |
| 133 | * Initialize the board |
| 134 | */ |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 135 | static void __init rts7751r2d_setup(char **cmdline_p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | { |
Paul Mundt | 9c57548 | 2007-02-15 18:20:52 +0900 | [diff] [blame] | 137 | u16 ver = ctrl_inw(PA_VERREG); |
| 138 | |
| 139 | printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n"); |
| 140 | |
| 141 | printk(KERN_INFO "FPGA version:%d (revision:%d)\n", |
| 142 | (ver >> 4) & 0xf, ver & 0xf); |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 143 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | ctrl_outw(0x0000, PA_OUTPORT); |
Paul Mundt | a56d276 | 2006-09-27 11:43:24 +0900 | [diff] [blame] | 145 | pm_power_off = rts7751r2d_power_off; |
Paul Mundt | ade2b3f | 2006-09-27 16:48:46 +0900 | [diff] [blame] | 146 | |
| 147 | voyagergx_serial_init(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | } |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 149 | |
| 150 | /* |
| 151 | * The Machine Vector |
| 152 | */ |
| 153 | struct sh_machine_vector mv_rts7751r2d __initmv = { |
| 154 | .mv_name = "RTS7751R2D", |
| 155 | .mv_setup = rts7751r2d_setup, |
| 156 | .mv_nr_irqs = 72, |
| 157 | |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 158 | .mv_init_irq = init_rts7751r2d_IRQ, |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 159 | .mv_irq_demux = rts7751r2d_irq_demux, |
| 160 | |
| 161 | #ifdef CONFIG_USB_SM501 |
| 162 | .mv_consistent_alloc = voyagergx_consistent_alloc, |
| 163 | .mv_consistent_free = voyagergx_consistent_free, |
| 164 | #endif |
| 165 | }; |
| 166 | ALIAS_MV(rts7751r2d) |