Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 1 | /* |
| 2 | * G3EVM board support |
| 3 | * |
| 4 | * Copyright (C) 2010 Magnus Damm |
| 5 | * Copyright (C) 2008 Yoshihiro Shimoda |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/interrupt.h> |
| 23 | #include <linux/irq.h> |
| 24 | #include <linux/platform_device.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/mtd/mtd.h> |
| 27 | #include <linux/mtd/partitions.h> |
| 28 | #include <linux/mtd/physmap.h> |
Magnus Damm | 3a7b802 | 2010-02-10 20:13:31 +0900 | [diff] [blame^] | 29 | #include <linux/usb/r8a66597.h> |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 30 | #include <linux/io.h> |
Magnus Damm | 7fdda67 | 2010-02-10 20:10:55 +0900 | [diff] [blame] | 31 | #include <linux/gpio.h> |
| 32 | #include <mach/sh7367.h> |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 33 | #include <mach/common.h> |
| 34 | #include <asm/mach-types.h> |
| 35 | #include <asm/mach/arch.h> |
| 36 | #include <asm/mach/map.h> |
| 37 | |
| 38 | static struct mtd_partition nor_flash_partitions[] = { |
| 39 | { |
| 40 | .name = "loader", |
| 41 | .offset = 0x00000000, |
| 42 | .size = 512 * 1024, |
| 43 | }, |
| 44 | { |
| 45 | .name = "bootenv", |
| 46 | .offset = MTDPART_OFS_APPEND, |
| 47 | .size = 512 * 1024, |
| 48 | }, |
| 49 | { |
| 50 | .name = "kernel_ro", |
| 51 | .offset = MTDPART_OFS_APPEND, |
| 52 | .size = 8 * 1024 * 1024, |
| 53 | .mask_flags = MTD_WRITEABLE, |
| 54 | }, |
| 55 | { |
| 56 | .name = "kernel", |
| 57 | .offset = MTDPART_OFS_APPEND, |
| 58 | .size = 8 * 1024 * 1024, |
| 59 | }, |
| 60 | { |
| 61 | .name = "data", |
| 62 | .offset = MTDPART_OFS_APPEND, |
| 63 | .size = MTDPART_SIZ_FULL, |
| 64 | }, |
| 65 | }; |
| 66 | |
| 67 | static struct physmap_flash_data nor_flash_data = { |
| 68 | .width = 2, |
| 69 | .parts = nor_flash_partitions, |
| 70 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), |
| 71 | }; |
| 72 | |
| 73 | static struct resource nor_flash_resources[] = { |
| 74 | [0] = { |
| 75 | .start = 0x00000000, |
| 76 | .end = 0x08000000 - 1, |
| 77 | .flags = IORESOURCE_MEM, |
| 78 | } |
| 79 | }; |
| 80 | |
| 81 | static struct platform_device nor_flash_device = { |
| 82 | .name = "physmap-flash", |
| 83 | .dev = { |
| 84 | .platform_data = &nor_flash_data, |
| 85 | }, |
| 86 | .num_resources = ARRAY_SIZE(nor_flash_resources), |
| 87 | .resource = nor_flash_resources, |
| 88 | }; |
| 89 | |
Magnus Damm | 3a7b802 | 2010-02-10 20:13:31 +0900 | [diff] [blame^] | 90 | /* USBHS */ |
| 91 | void usb_host_port_power(int port, int power) |
| 92 | { |
| 93 | if (!power) /* only power-on supported for now */ |
| 94 | return; |
| 95 | |
| 96 | /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ |
| 97 | __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); |
| 98 | } |
| 99 | |
| 100 | static struct r8a66597_platdata usb_host_data = { |
| 101 | .on_chip = 1, |
| 102 | .port_power = usb_host_port_power, |
| 103 | }; |
| 104 | |
| 105 | static struct resource usb_host_resources[] = { |
| 106 | [0] = { |
| 107 | .name = "USBHS", |
| 108 | .start = 0xe6890000, |
| 109 | .end = 0xe68900e5, |
| 110 | .flags = IORESOURCE_MEM, |
| 111 | }, |
| 112 | [1] = { |
| 113 | .start = 65, |
| 114 | .flags = IORESOURCE_IRQ, |
| 115 | }, |
| 116 | }; |
| 117 | |
| 118 | static struct platform_device usb_host_device = { |
| 119 | .name = "r8a66597_hcd", |
| 120 | .id = 0, |
| 121 | .dev = { |
| 122 | .platform_data = &usb_host_data, |
| 123 | .dma_mask = NULL, |
| 124 | .coherent_dma_mask = 0xffffffff, |
| 125 | }, |
| 126 | .num_resources = ARRAY_SIZE(usb_host_resources), |
| 127 | .resource = usb_host_resources, |
| 128 | }; |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 129 | |
| 130 | static struct platform_device *g3evm_devices[] __initdata = { |
| 131 | &nor_flash_device, |
Magnus Damm | 3a7b802 | 2010-02-10 20:13:31 +0900 | [diff] [blame^] | 132 | &usb_host_device, |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 133 | }; |
| 134 | |
| 135 | static struct map_desc g3evm_io_desc[] __initdata = { |
| 136 | /* create a 1:1 entity map for 0xe6xxxxxx |
| 137 | * used by CPGA, INTC and PFC. |
| 138 | */ |
| 139 | { |
| 140 | .virtual = 0xe6000000, |
| 141 | .pfn = __phys_to_pfn(0xe6000000), |
| 142 | .length = 256 << 20, |
| 143 | .type = MT_DEVICE_NONSHARED |
| 144 | }, |
| 145 | }; |
| 146 | |
| 147 | static void __init g3evm_map_io(void) |
| 148 | { |
| 149 | iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc)); |
| 150 | |
Magnus Damm | 4ae04ac | 2010-02-08 11:02:54 +0000 | [diff] [blame] | 151 | /* setup early devices, clocks and console here as well */ |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 152 | sh7367_add_early_devices(); |
| 153 | sh7367_clock_init(); |
Magnus Damm | 4ae04ac | 2010-02-08 11:02:54 +0000 | [diff] [blame] | 154 | shmobile_setup_console(); |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | static void __init g3evm_init(void) |
| 158 | { |
Magnus Damm | 7fdda67 | 2010-02-10 20:10:55 +0900 | [diff] [blame] | 159 | sh7367_pinmux_init(); |
| 160 | |
| 161 | /* Lit DS4 LED */ |
| 162 | gpio_request(GPIO_PORT22, NULL); |
| 163 | gpio_direction_output(GPIO_PORT22, 1); |
| 164 | gpio_export(GPIO_PORT22, 0); |
| 165 | |
| 166 | /* Lit DS8 LED */ |
| 167 | gpio_request(GPIO_PORT23, NULL); |
| 168 | gpio_direction_output(GPIO_PORT23, 1); |
| 169 | gpio_export(GPIO_PORT23, 0); |
| 170 | |
| 171 | /* Lit DS3 LED */ |
| 172 | gpio_request(GPIO_PORT24, NULL); |
| 173 | gpio_direction_output(GPIO_PORT24, 1); |
| 174 | gpio_export(GPIO_PORT24, 0); |
| 175 | |
| 176 | /* SCIFA1 */ |
| 177 | gpio_request(GPIO_FN_SCIFA1_TXD, NULL); |
| 178 | gpio_request(GPIO_FN_SCIFA1_RXD, NULL); |
| 179 | gpio_request(GPIO_FN_SCIFA1_CTS, NULL); |
| 180 | gpio_request(GPIO_FN_SCIFA1_RTS, NULL); |
| 181 | |
Magnus Damm | 3a7b802 | 2010-02-10 20:13:31 +0900 | [diff] [blame^] | 182 | /* USBHS */ |
| 183 | gpio_request(GPIO_FN_VBUS0, NULL); |
| 184 | gpio_request(GPIO_FN_PWEN, NULL); |
| 185 | gpio_request(GPIO_FN_OVCN, NULL); |
| 186 | gpio_request(GPIO_FN_OVCN2, NULL); |
| 187 | gpio_request(GPIO_FN_EXTLP, NULL); |
| 188 | gpio_request(GPIO_FN_IDIN, NULL); |
| 189 | |
| 190 | /* enable clock in SYMSTPCR2 */ |
| 191 | __raw_writel(__raw_readl(0xe6158048) & ~(1 << 22), 0xe6158048); |
| 192 | |
| 193 | /* setup USB phy */ |
| 194 | __raw_writew(0x0300, 0xe605810a); /* USBCR1 */ |
| 195 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ |
| 196 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ |
| 197 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ |
| 198 | |
Magnus Damm | c793c1b | 2010-02-05 11:14:49 +0000 | [diff] [blame] | 199 | sh7367_add_standard_devices(); |
| 200 | |
| 201 | platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices)); |
| 202 | } |
| 203 | |
| 204 | MACHINE_START(G3EVM, "g3evm") |
| 205 | .phys_io = 0xe6000000, |
| 206 | .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, |
| 207 | .map_io = g3evm_map_io, |
| 208 | .init_irq = sh7367_init_irq, |
| 209 | .init_machine = g3evm_init, |
| 210 | .timer = &shmobile_timer, |
| 211 | MACHINE_END |