| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * arch/sh/boards/renesas/sdk7780/setup.c |
| 4 | * |
| 5 | * Renesas Solutions SH7780 SDK Support |
| 6 | * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk> |
| 7 | */ |
| 8 | #include <linux/init.h> |
| 9 | #include <linux/types.h> |
| 10 | #include <linux/platform_device.h> |
| 11 | #include <linux/ata_platform.h> |
| 12 | #include <asm/machvec.h> |
| 13 | #include <mach/sdk7780.h> |
| 14 | #include <asm/heartbeat.h> |
| 15 | #include <asm/io.h> |
| 16 | #include <asm/addrspace.h> |
| 17 | |
| 18 | #define GPIO_PECR 0xFFEA0008 |
| 19 | |
| 20 | /* Heartbeat */ |
| 21 | static struct resource heartbeat_resource = { |
| 22 | .start = PA_LED, |
| 23 | .end = PA_LED, |
| 24 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, |
| 25 | }; |
| 26 | |
| 27 | static struct platform_device heartbeat_device = { |
| 28 | .name = "heartbeat", |
| 29 | .id = -1, |
| 30 | .num_resources = 1, |
| 31 | .resource = &heartbeat_resource, |
| 32 | }; |
| 33 | |
| 34 | /* SMC91x */ |
| 35 | static struct resource smc91x_eth_resources[] = { |
| 36 | [0] = { |
| 37 | .name = "smc91x-regs" , |
| 38 | .start = PA_LAN + 0x300, |
| 39 | .end = PA_LAN + 0x300 + 0x10 , |
| 40 | .flags = IORESOURCE_MEM, |
| 41 | }, |
| 42 | [1] = { |
| 43 | .start = IRQ_ETHERNET, |
| 44 | .end = IRQ_ETHERNET, |
| 45 | .flags = IORESOURCE_IRQ, |
| 46 | }, |
| 47 | }; |
| 48 | |
| 49 | static struct platform_device smc91x_eth_device = { |
| 50 | .name = "smc91x", |
| 51 | .id = 0, |
| 52 | .dev = { |
| 53 | .dma_mask = NULL, /* don't use dma */ |
| 54 | .coherent_dma_mask = 0xffffffff, |
| 55 | }, |
| 56 | .num_resources = ARRAY_SIZE(smc91x_eth_resources), |
| 57 | .resource = smc91x_eth_resources, |
| 58 | }; |
| 59 | |
| 60 | static struct platform_device *sdk7780_devices[] __initdata = { |
| 61 | &heartbeat_device, |
| 62 | &smc91x_eth_device, |
| 63 | }; |
| 64 | |
| 65 | static int __init sdk7780_devices_setup(void) |
| 66 | { |
| 67 | return platform_add_devices(sdk7780_devices, |
| 68 | ARRAY_SIZE(sdk7780_devices)); |
| 69 | } |
| 70 | device_initcall(sdk7780_devices_setup); |
| 71 | |
| 72 | static void __init sdk7780_setup(char **cmdline_p) |
| 73 | { |
| 74 | u16 ver = __raw_readw(FPGA_FPVERR); |
| 75 | u16 dateStamp = __raw_readw(FPGA_FPDATER); |
| 76 | |
| 77 | printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n"); |
| 78 | printk(KERN_INFO "Board version: %d (revision %d), " |
| 79 | "FPGA version: %d (revision %d), datestamp : %d\n", |
| 80 | (ver >> 12) & 0xf, (ver >> 8) & 0xf, |
| 81 | (ver >> 4) & 0xf, ver & 0xf, |
| 82 | dateStamp); |
| 83 | |
| 84 | /* Setup pin mux'ing for PCIC */ |
| 85 | __raw_writew(0x0000, GPIO_PECR); |
| 86 | } |
| 87 | |
| 88 | /* |
| 89 | * The Machine Vector |
| 90 | */ |
| 91 | static struct sh_machine_vector mv_se7780 __initmv = { |
| 92 | .mv_name = "Renesas SDK7780-R3" , |
| 93 | .mv_setup = sdk7780_setup, |
| 94 | .mv_init_irq = init_sdk7780_IRQ, |
| 95 | }; |
| 96 | |