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 97