1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Renesas Technology Europe RSK+ Support. 4 * 5 * Copyright (C) 2008 Paul Mundt 6 * Copyright (C) 2008 Peter Griffin <pgriffin@mpc-data.co.uk> 7 */ 8 #include <linux/init.h> 9 #include <linux/types.h> 10 #include <linux/platform_device.h> 11 #include <linux/interrupt.h> 12 #include <linux/mtd/mtd.h> 13 #include <linux/mtd/partitions.h> 14 #include <linux/mtd/physmap.h> 15 #include <linux/mtd/map.h> 16 #include <linux/regulator/fixed.h> 17 #include <linux/regulator/machine.h> 18 #include <asm/machvec.h> 19 #include <asm/io.h> 20 21 /* Dummy supplies, where voltage doesn't matter */ 22 static struct regulator_consumer_supply dummy_supplies[] = { 23 REGULATOR_SUPPLY("vddvario", "smsc911x"), 24 REGULATOR_SUPPLY("vdd33a", "smsc911x"), 25 }; 26 27 static struct mtd_partition rsk_partitions[] = { 28 { 29 .name = "Bootloader", 30 .offset = 0x00000000, 31 .size = 0x00040000, 32 .mask_flags = MTD_WRITEABLE, 33 }, { 34 .name = "Kernel", 35 .offset = MTDPART_OFS_NXTBLK, 36 .size = 0x001c0000, 37 }, { 38 .name = "Flash_FS", 39 .offset = MTDPART_OFS_NXTBLK, 40 .size = MTDPART_SIZ_FULL, 41 } 42 }; 43 44 static struct physmap_flash_data flash_data = { 45 .parts = rsk_partitions, 46 .nr_parts = ARRAY_SIZE(rsk_partitions), 47 .width = 2, 48 }; 49 50 static struct resource flash_resource = { 51 .start = 0x20000000, 52 .end = 0x20400000, 53 .flags = IORESOURCE_MEM, 54 }; 55 56 static struct platform_device flash_device = { 57 .name = "physmap-flash", 58 .id = -1, 59 .resource = &flash_resource, 60 .num_resources = 1, 61 .dev = { 62 .platform_data = &flash_data, 63 }, 64 }; 65 66 static struct platform_device *rsk_devices[] __initdata = { 67 &flash_device, 68 }; 69 70 static int __init rsk_devices_setup(void) 71 { 72 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); 73 74 return platform_add_devices(rsk_devices, 75 ARRAY_SIZE(rsk_devices)); 76 } 77 device_initcall(rsk_devices_setup); 78 79 /* 80 * The Machine Vector 81 */ 82 static struct sh_machine_vector mv_rsk __initmv = { 83 .mv_name = "RSK+", 84 }; 85