^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Renesas Technology Europe RSK+ Support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008 Paul Mundt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2008 Peter Griffin <pgriffin@mpc-data.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/mtd/mtd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/mtd/partitions.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/mtd/physmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/mtd/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/regulator/fixed.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/regulator/machine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <asm/machvec.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* Dummy supplies, where voltage doesn't matter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static struct regulator_consumer_supply dummy_supplies[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) REGULATOR_SUPPLY("vddvario", "smsc911x"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) REGULATOR_SUPPLY("vdd33a", "smsc911x"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static struct mtd_partition rsk_partitions[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) .name = "Bootloader",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) .offset = 0x00000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .size = 0x00040000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .mask_flags = MTD_WRITEABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .name = "Kernel",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) .offset = MTDPART_OFS_NXTBLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .size = 0x001c0000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .name = "Flash_FS",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .offset = MTDPART_OFS_NXTBLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) .size = MTDPART_SIZ_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static struct physmap_flash_data flash_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .parts = rsk_partitions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .nr_parts = ARRAY_SIZE(rsk_partitions),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .width = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static struct resource flash_resource = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .start = 0x20000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .end = 0x20400000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static struct platform_device flash_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .name = "physmap-flash",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .resource = &flash_resource,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .num_resources = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .platform_data = &flash_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static struct platform_device *rsk_devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) &flash_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static int __init rsk_devices_setup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return platform_add_devices(rsk_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) ARRAY_SIZE(rsk_devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) device_initcall(rsk_devices_setup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * The Machine Vector
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static struct sh_machine_vector mv_rsk __initmv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .mv_name = "RSK+",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };