/* * AP4EVB board support * * Copyright (C) 2010 Magnus Damm * Copyright (C) 2008 Yoshihiro Shimoda * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Address Interface BusWidth note * ------------------------------------------------------------------ * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON * 0x0800_0000 user area - * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF * 0x1400_0000 Ether (LAN9220) 16bit * 0x1600_0000 user area - cannot use with NAND * 0x1800_0000 user area - * 0x1A00_0000 - * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit */ /* * NOR Flash ROM * * SW1 | SW2 | SW7 | NOR Flash ROM * bit1 | bit1 bit2 | bit1 | Memory allocation * ------+------------+------+------------------ * OFF | ON OFF | ON | Area 0 * OFF | ON OFF | OFF | Area 4 */ /* * NAND Flash ROM * * SW1 | SW2 | SW7 | NAND Flash ROM * bit1 | bit1 bit2 | bit2 | Memory allocation * ------+------------+------+------------------ * OFF | ON OFF | ON | FCE 0 * OFF | ON OFF | OFF | FCE 1 */ /* * SMSC 9220 * * SW1 SMSC 9220 * ----------------------- * ON access disable * OFF access enable */ /* * KEYSC * * SW43 KEYSC * ------------------------- * ON enable * OFF disable */ /* MTD */ static struct mtd_partition nor_flash_partitions[] = { { .name = "loader", .offset = 0x00000000, .size = 512 * 1024, }, { .name = "bootenv", .offset = MTDPART_OFS_APPEND, .size = 512 * 1024, }, { .name = "kernel_ro", .offset = MTDPART_OFS_APPEND, .size = 8 * 1024 * 1024, .mask_flags = MTD_WRITEABLE, }, { .name = "kernel", .offset = MTDPART_OFS_APPEND, .size = 8 * 1024 * 1024, }, { .name = "data", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, }, }; static struct physmap_flash_data nor_flash_data = { .width = 2, .parts = nor_flash_partitions, .nr_parts = ARRAY_SIZE(nor_flash_partitions), }; static struct resource nor_flash_resources[] = { [0] = { .start = 0x00000000, .end = 0x08000000 - 1, .flags = IORESOURCE_MEM, } }; static struct platform_device nor_flash_device = { .name = "physmap-flash", .dev = { .platform_data = &nor_flash_data, }, .num_resources = ARRAY_SIZE(nor_flash_resources), .resource = nor_flash_resources, }; /* SMSC 9220 */ static struct resource smc911x_resources[] = { { .start = 0x14000000, .end = 0x16000000 - 1, .flags = IORESOURCE_MEM, }, { .start = 6, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, }, }; static struct smsc911x_platform_config smsc911x_info = { .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, }; static struct platform_device smc911x_device = { .name = "smsc911x", .id = -1, .num_resources = ARRAY_SIZE(smc911x_resources), .resource = smc911x_resources, .dev = { .platform_data = &smsc911x_info, }, }; /* KEYSC (Needs SW43 set to ON) */ static struct sh_keysc_info keysc_info = { .mode = SH_KEYSC_MODE_1, .scan_timing = 3, .delay = 2500, .keycodes = { KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N, KEY_O, }, }; static struct resource keysc_resources[] = { [0] = { .name = "KEYSC", .start = 0xe61b0000, .end = 0xe61b0063, .flags = IORESOURCE_MEM, }, [1] = { .start = 79, .flags = IORESOURCE_IRQ, }, }; static struct platform_device keysc_device = { .name = "sh_keysc", .id = 0, /* "keysc0" clock */ .num_resources = ARRAY_SIZE(keysc_resources), .resource = keysc_resources, .dev = { .platform_data = &keysc_info, }, }; /* SDHI0 */ static struct resource sdhi0_resources[] = { [0] = { .name = "SDHI0", .start = 0xe6850000, .end = 0xe68501ff, .flags = IORESOURCE_MEM, }, [1] = { .start = 96, .flags = IORESOURCE_IRQ, }, }; static struct platform_device sdhi0_device = { .name = "sh_mobile_sdhi", .num_resources = ARRAY_SIZE(sdhi0_resources), .resource = sdhi0_resources, .id = 0, }; static struct platform_device *ap4evb_devices[] __initdata = { &nor_flash_device, &smc911x_device, &keysc_device, &sdhi0_device, }; static struct map_desc ap4evb_io_desc[] __initdata = { /* create a 1:1 entity map for 0xe6xxxxxx * used by CPGA, INTC and PFC. */ { .virtual = 0xe6000000, .pfn = __phys_to_pfn(0xe6000000), .length = 256 << 20, .type = MT_DEVICE_NONSHARED }, }; static void __init ap4evb_map_io(void) { iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc)); /* setup early devices, clocks and console here as well */ sh7372_add_early_devices(); sh7367_clock_init(); /* use g3 clocks for now */ shmobile_setup_console(); } static void __init ap4evb_init(void) { sh7372_pinmux_init(); /* enable SCIFA0 */ gpio_request(GPIO_FN_SCIFA0_TXD, NULL); gpio_request(GPIO_FN_SCIFA0_RXD, NULL); /* enable SMSC911X */ gpio_request(GPIO_FN_CS5A, NULL); gpio_request(GPIO_FN_IRQ6_39, NULL); /* enable LED 1 - 4 */ gpio_request(GPIO_PORT185, NULL); gpio_request(GPIO_PORT186, NULL); gpio_request(GPIO_PORT187, NULL); gpio_request(GPIO_PORT188, NULL); gpio_direction_output(GPIO_PORT185, 1); gpio_direction_output(GPIO_PORT186, 1); gpio_direction_output(GPIO_PORT187, 1); gpio_direction_output(GPIO_PORT188, 1); gpio_export(GPIO_PORT185, 0); gpio_export(GPIO_PORT186, 0); gpio_export(GPIO_PORT187, 0); gpio_export(GPIO_PORT188, 0); /* enable Debug switch (S6) */ gpio_request(GPIO_PORT32, NULL); gpio_request(GPIO_PORT33, NULL); gpio_request(GPIO_PORT34, NULL); gpio_request(GPIO_PORT35, NULL); gpio_direction_input(GPIO_PORT32); gpio_direction_input(GPIO_PORT33); gpio_direction_input(GPIO_PORT34); gpio_direction_input(GPIO_PORT35); gpio_export(GPIO_PORT32, 0); gpio_export(GPIO_PORT33, 0); gpio_export(GPIO_PORT34, 0); gpio_export(GPIO_PORT35, 0); /* enable KEYSC */ gpio_request(GPIO_FN_KEYOUT0, NULL); gpio_request(GPIO_FN_KEYOUT1, NULL); gpio_request(GPIO_FN_KEYOUT2, NULL); gpio_request(GPIO_FN_KEYOUT3, NULL); gpio_request(GPIO_FN_KEYOUT4, NULL); gpio_request(GPIO_FN_KEYIN0_136, NULL); gpio_request(GPIO_FN_KEYIN1_135, NULL); gpio_request(GPIO_FN_KEYIN2_134, NULL); gpio_request(GPIO_FN_KEYIN3_133, NULL); gpio_request(GPIO_FN_KEYIN4, NULL); /* SDHI0 */ gpio_request(GPIO_FN_SDHICD0, NULL); gpio_request(GPIO_FN_SDHIWP0, NULL); gpio_request(GPIO_FN_SDHICMD0, NULL); gpio_request(GPIO_FN_SDHICLK0, NULL); gpio_request(GPIO_FN_SDHID0_3, NULL); gpio_request(GPIO_FN_SDHID0_2, NULL); gpio_request(GPIO_FN_SDHID0_1, NULL); gpio_request(GPIO_FN_SDHID0_0, NULL); sh7372_add_standard_devices(); platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); } MACHINE_START(AP4EVB, "ap4evb") .phys_io = 0xe6000000, .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, .map_io = ap4evb_map_io, .init_irq = sh7372_init_irq, .init_machine = ap4evb_init, .timer = &shmobile_timer, MACHINE_END