Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Renesas Technology Corp. SH7786 Urquell Support. |
| 3 | * |
| 4 | * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com> |
Paul Mundt | dea3cf1 | 2010-01-19 20:09:28 +0900 | [diff] [blame] | 5 | * Copyright (C) 2009, 2010 Paul Mundt |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 6 | * |
| 7 | * Based on board-sh7785lcr.c |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 8 | * Copyright (C) 2008 Yoshihiro Shimoda |
| 9 | * |
| 10 | * This file is subject to the terms and conditions of the GNU General Public |
| 11 | * License. See the file "COPYING" in the main directory of this archive |
| 12 | * for more details. |
| 13 | */ |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/platform_device.h> |
| 16 | #include <linux/fb.h> |
Kuninori Morimoto | 929ef1a | 2009-03-05 17:37:12 +0900 | [diff] [blame] | 17 | #include <linux/smc91x.h> |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 18 | #include <linux/mtd/physmap.h> |
| 19 | #include <linux/delay.h> |
| 20 | #include <linux/gpio.h> |
| 21 | #include <linux/irq.h> |
Paul Mundt | dea3cf1 | 2010-01-19 20:09:28 +0900 | [diff] [blame] | 22 | #include <linux/clk.h> |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 23 | #include <mach/urquell.h> |
| 24 | #include <cpu/sh7786.h> |
| 25 | #include <asm/heartbeat.h> |
| 26 | #include <asm/sizes.h> |
Paul Mundt | 3366e35 | 2010-03-30 12:38:01 +0900 | [diff] [blame] | 27 | #include <asm/smp-ops.h> |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 28 | |
Kuninori Morimoto | 1bc5718 | 2009-04-10 13:35:28 -0700 | [diff] [blame] | 29 | /* |
| 30 | * bit 1234 5678 |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 31 | *---------------------------- |
Kuninori Morimoto | 1bc5718 | 2009-04-10 13:35:28 -0700 | [diff] [blame] | 32 | * SW1 0101 0010 -> Pck 33MHz version |
| 33 | * (1101 0010) Pck 66MHz version |
| 34 | * SW2 0x1x xxxx -> little endian |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 35 | * 29bit mode |
Kuninori Morimoto | 1bc5718 | 2009-04-10 13:35:28 -0700 | [diff] [blame] | 36 | * SW47 0001 1000 -> CS0 : on-board flash |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 37 | * CS1 : SRAM, registers, LAN, PCMCIA |
Kuninori Morimoto | 1bc5718 | 2009-04-10 13:35:28 -0700 | [diff] [blame] | 38 | * 38400 bps for SCIF1 |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 39 | * |
| 40 | * Address |
Kuninori Morimoto | 1bc5718 | 2009-04-10 13:35:28 -0700 | [diff] [blame] | 41 | * 0x00000000 - 0x04000000 (CS0) Nor Flash |
| 42 | * 0x04000000 - 0x04200000 (CS1) SRAM |
| 43 | * 0x05000000 - 0x05800000 (CS1) on board register |
| 44 | * 0x05800000 - 0x06000000 (CS1) LAN91C111 |
| 45 | * 0x06000000 - 0x06400000 (CS1) PCMCIA |
| 46 | * 0x08000000 - 0x10000000 (CS2-CS3) DDR3 |
| 47 | * 0x10000000 - 0x14000000 (CS4) PCIe |
| 48 | * 0x14000000 - 0x14800000 (CS5) Core0 LRAM/URAM |
| 49 | * 0x14800000 - 0x15000000 (CS5) Core1 LRAM/URAM |
| 50 | * 0x18000000 - 0x1C000000 (CS6) ATA/NAND-Flash |
| 51 | * 0x1C000000 - (CS7) SH7786 Control register |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 52 | */ |
| 53 | |
| 54 | /* HeartBeat */ |
Paul Mundt | a09d283 | 2010-01-15 12:24:34 +0900 | [diff] [blame] | 55 | static struct resource heartbeat_resource = { |
| 56 | .start = BOARDREG(SLEDR), |
| 57 | .end = BOARDREG(SLEDR), |
| 58 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | static struct platform_device heartbeat_device = { |
| 62 | .name = "heartbeat", |
| 63 | .id = -1, |
Paul Mundt | 14965f1 | 2010-01-19 20:10:33 +0900 | [diff] [blame] | 64 | .num_resources = 1, |
Paul Mundt | a09d283 | 2010-01-15 12:24:34 +0900 | [diff] [blame] | 65 | .resource = &heartbeat_resource, |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 66 | }; |
| 67 | |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 68 | /* LAN91C111 */ |
Kuninori Morimoto | 929ef1a | 2009-03-05 17:37:12 +0900 | [diff] [blame] | 69 | static struct smc91x_platdata smc91x_info = { |
| 70 | .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, |
| 71 | }; |
| 72 | |
| 73 | static struct resource smc91x_eth_resources[] = { |
| 74 | [0] = { |
| 75 | .name = "SMC91C111" , |
| 76 | .start = 0x05800300, |
| 77 | .end = 0x0580030f, |
| 78 | .flags = IORESOURCE_MEM, |
| 79 | }, |
| 80 | [1] = { |
| 81 | .start = 11, |
| 82 | .flags = IORESOURCE_IRQ, |
| 83 | }, |
| 84 | }; |
| 85 | |
| 86 | static struct platform_device smc91x_eth_device = { |
| 87 | .name = "smc91x", |
| 88 | .num_resources = ARRAY_SIZE(smc91x_eth_resources), |
| 89 | .resource = smc91x_eth_resources, |
| 90 | .dev = { |
| 91 | .platform_data = &smc91x_info, |
| 92 | }, |
| 93 | }; |
| 94 | |
Kuninori Morimoto | 6e97938 | 2009-04-07 08:41:57 +0000 | [diff] [blame] | 95 | /* Nor Flash */ |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 96 | static struct mtd_partition nor_flash_partitions[] = { |
| 97 | { |
| 98 | .name = "loader", |
| 99 | .offset = 0x00000000, |
| 100 | .size = SZ_512K, |
| 101 | .mask_flags = MTD_WRITEABLE, /* Read-only */ |
| 102 | }, |
| 103 | { |
| 104 | .name = "bootenv", |
| 105 | .offset = MTDPART_OFS_APPEND, |
| 106 | .size = SZ_512K, |
| 107 | .mask_flags = MTD_WRITEABLE, /* Read-only */ |
| 108 | }, |
| 109 | { |
| 110 | .name = "kernel", |
| 111 | .offset = MTDPART_OFS_APPEND, |
| 112 | .size = SZ_4M, |
| 113 | }, |
| 114 | { |
| 115 | .name = "data", |
| 116 | .offset = MTDPART_OFS_APPEND, |
| 117 | .size = MTDPART_SIZ_FULL, |
| 118 | }, |
| 119 | }; |
| 120 | |
| 121 | static struct physmap_flash_data nor_flash_data = { |
| 122 | .width = 2, |
| 123 | .parts = nor_flash_partitions, |
| 124 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), |
| 125 | }; |
| 126 | |
| 127 | static struct resource nor_flash_resources[] = { |
| 128 | [0] = { |
| 129 | .start = NOR_FLASH_ADDR, |
| 130 | .end = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1, |
| 131 | .flags = IORESOURCE_MEM, |
| 132 | } |
| 133 | }; |
| 134 | |
| 135 | static struct platform_device nor_flash_device = { |
| 136 | .name = "physmap-flash", |
| 137 | .dev = { |
| 138 | .platform_data = &nor_flash_data, |
| 139 | }, |
| 140 | .num_resources = ARRAY_SIZE(nor_flash_resources), |
| 141 | .resource = nor_flash_resources, |
| 142 | }; |
| 143 | |
| 144 | static struct platform_device *urquell_devices[] __initdata = { |
| 145 | &heartbeat_device, |
Kuninori Morimoto | 929ef1a | 2009-03-05 17:37:12 +0900 | [diff] [blame] | 146 | &smc91x_eth_device, |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 147 | &nor_flash_device, |
| 148 | }; |
| 149 | |
| 150 | static int __init urquell_devices_setup(void) |
| 151 | { |
| 152 | /* USB */ |
| 153 | gpio_request(GPIO_FN_USB_OVC0, NULL); |
| 154 | gpio_request(GPIO_FN_USB_PENC0, NULL); |
| 155 | |
Kuninori Morimoto | 71c1d19 | 2009-03-26 00:24:01 +0000 | [diff] [blame] | 156 | /* enable LAN */ |
| 157 | __raw_writew(__raw_readw(UBOARDREG(IRL2MSKR)) & ~0x00000001, |
| 158 | UBOARDREG(IRL2MSKR)); |
| 159 | |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 160 | return platform_add_devices(urquell_devices, |
| 161 | ARRAY_SIZE(urquell_devices)); |
| 162 | } |
| 163 | device_initcall(urquell_devices_setup); |
| 164 | |
| 165 | static void urquell_power_off(void) |
| 166 | { |
| 167 | __raw_writew(0xa5a5, UBOARDREG(SRSTR)); |
| 168 | } |
| 169 | |
Kuninori Morimoto | 929ef1a | 2009-03-05 17:37:12 +0900 | [diff] [blame] | 170 | static void __init urquell_init_irq(void) |
| 171 | { |
| 172 | plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK); |
| 173 | } |
| 174 | |
Paul Mundt | 5d0e945 | 2009-06-15 19:02:37 +0900 | [diff] [blame] | 175 | static int urquell_mode_pins(void) |
| 176 | { |
| 177 | return __raw_readw(UBOARDREG(MDSWMR)); |
| 178 | } |
| 179 | |
Paul Mundt | dea3cf1 | 2010-01-19 20:09:28 +0900 | [diff] [blame] | 180 | static int urquell_clk_init(void) |
| 181 | { |
| 182 | struct clk *clk; |
| 183 | int ret; |
| 184 | |
| 185 | /* |
| 186 | * Only handle the EXTAL case, anyone interfacing a crystal |
| 187 | * resonator will need to provide their own input clock. |
| 188 | */ |
| 189 | if (test_mode_pin(MODE_PIN9)) |
| 190 | return -EINVAL; |
| 191 | |
| 192 | clk = clk_get(NULL, "extal"); |
| 193 | if (!clk || IS_ERR(clk)) |
| 194 | return PTR_ERR(clk); |
| 195 | ret = clk_set_rate(clk, 33333333); |
| 196 | clk_put(clk); |
| 197 | |
| 198 | return ret; |
| 199 | } |
| 200 | |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 201 | /* Initialize the board */ |
| 202 | static void __init urquell_setup(char **cmdline_p) |
| 203 | { |
| 204 | printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n"); |
| 205 | |
| 206 | pm_power_off = urquell_power_off; |
Paul Mundt | 3366e35 | 2010-03-30 12:38:01 +0900 | [diff] [blame] | 207 | |
| 208 | register_smp_ops(&shx3_smp_ops); |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | /* |
| 212 | * The Machine Vector |
| 213 | */ |
| 214 | static struct sh_machine_vector mv_urquell __initmv = { |
| 215 | .mv_name = "Urquell", |
| 216 | .mv_setup = urquell_setup, |
Kuninori Morimoto | 929ef1a | 2009-03-05 17:37:12 +0900 | [diff] [blame] | 217 | .mv_init_irq = urquell_init_irq, |
Paul Mundt | 5d0e945 | 2009-06-15 19:02:37 +0900 | [diff] [blame] | 218 | .mv_mode_pins = urquell_mode_pins, |
Paul Mundt | dea3cf1 | 2010-01-19 20:09:28 +0900 | [diff] [blame] | 219 | .mv_clk_init = urquell_clk_init, |
Kuninori Morimoto | 5ac072e | 2009-03-03 16:22:00 +0900 | [diff] [blame] | 220 | }; |