1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * linux/arch/sh/boards/se/7780/setup.c 4 * 5 * Copyright (C) 2006,2007 Nobuhiro Iwamatsu 6 * 7 * Hitachi UL SolutionEngine 7780 Support. 8 */ 9 #include <linux/init.h> 10 #include <linux/platform_device.h> 11 #include <asm/machvec.h> 12 #include <mach-se/mach/se7780.h> 13 #include <asm/io.h> 14 #include <asm/heartbeat.h> 15 16 /* Heartbeat */ 17 static struct resource heartbeat_resource = { 18 .start = PA_LED, 19 .end = PA_LED, 20 .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, 21 }; 22 23 static struct platform_device heartbeat_device = { 24 .name = "heartbeat", 25 .id = -1, 26 .num_resources = 1, 27 .resource = &heartbeat_resource, 28 }; 29 30 /* SMC91x */ 31 static struct resource smc91x_eth_resources[] = { 32 [0] = { 33 .name = "smc91x-regs" , 34 .start = PA_LAN + 0x300, 35 .end = PA_LAN + 0x300 + 0x10 , 36 .flags = IORESOURCE_MEM, 37 }, 38 [1] = { 39 .start = SMC_IRQ, 40 .end = SMC_IRQ, 41 .flags = IORESOURCE_IRQ, 42 }, 43 }; 44 45 static struct platform_device smc91x_eth_device = { 46 .name = "smc91x", 47 .id = 0, 48 .dev = { 49 .dma_mask = NULL, /* don't use dma */ 50 .coherent_dma_mask = 0xffffffff, 51 }, 52 .num_resources = ARRAY_SIZE(smc91x_eth_resources), 53 .resource = smc91x_eth_resources, 54 }; 55 56 static struct platform_device *se7780_devices[] __initdata = { 57 &heartbeat_device, 58 &smc91x_eth_device, 59 }; 60 61 static int __init se7780_devices_setup(void) 62 { 63 return platform_add_devices(se7780_devices, 64 ARRAY_SIZE(se7780_devices)); 65 } 66 device_initcall(se7780_devices_setup); 67 68 #define GPIO_PHCR 0xFFEA000E 69 #define GPIO_PMSELR 0xFFEA0080 70 #define GPIO_PECR 0xFFEA0008 71 72 static void __init se7780_setup(char **cmdline_p) 73 { 74 /* "SH-Linux" on LED Display */ 75 __raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) ); 76 __raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) ); 77 __raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) ); 78 __raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) ); 79 __raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) ); 80 __raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) ); 81 __raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) ); 82 __raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) ); 83 84 printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n"); 85 86 /* 87 * PCI REQ/GNT setting 88 * REQ0/GNT0 -> USB 89 * REQ1/GNT1 -> PC Card 90 * REQ2/GNT2 -> Serial ATA 91 * REQ3/GNT3 -> PCI slot 92 */ 93 __raw_writew(0x0213, FPGA_REQSEL); 94 95 /* GPIO setting */ 96 __raw_writew(0x0000, GPIO_PECR); 97 __raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR); 98 __raw_writew(0x0c00, GPIO_PMSELR); 99 100 /* iVDR Power ON */ 101 __raw_writew(0x0001, FPGA_IVDRPW); 102 } 103 104 /* 105 * The Machine Vector 106 */ 107 static struct sh_machine_vector mv_se7780 __initmv = { 108 .mv_name = "Solution Engine 7780" , 109 .mv_setup = se7780_setup , 110 .mv_init_irq = init_se7780_IRQ, 111 }; 112