1 /* 2 * Setup pointers to hardware-dependent routines. 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle 9 * Copyright (C) 2001 MIPS Technologies, Inc. 10 * Copyright (C) 2007 by Thomas Bogendoerfer 11 */ 12 #include <linux/eisa.h> 13 #include <linux/init.h> 14 #include <linux/ioport.h> 15 #include <linux/console.h> 16 #include <linux/platform_device.h> 17 #include <linux/serial_8250.h> 18 #include <linux/dma-mapping.h> 19 #include <linux/pgtable.h> 20 21 #include <asm/jazz.h> 22 #include <asm/jazzdma.h> 23 #include <asm/reboot.h> 24 #include <asm/tlbmisc.h> 25 26 extern asmlinkage void jazz_handle_int(void); 27 28 extern void jazz_machine_restart(char *command); 29 30 static struct resource jazz_io_resources[] = { 31 { 32 .start = 0x00, 33 .end = 0x1f, 34 .name = "dma1", 35 .flags = IORESOURCE_IO | IORESOURCE_BUSY 36 }, { 37 .start = 0x40, 38 .end = 0x5f, 39 .name = "timer", 40 .flags = IORESOURCE_IO | IORESOURCE_BUSY 41 }, { 42 .start = 0x80, 43 .end = 0x8f, 44 .name = "dma page reg", 45 .flags = IORESOURCE_IO | IORESOURCE_BUSY 46 }, { 47 .start = 0xc0, 48 .end = 0xdf, 49 .name = "dma2", 50 .flags = IORESOURCE_IO | IORESOURCE_BUSY 51 } 52 }; 53 54 void __init plat_mem_setup(void) 55 { 56 int i; 57 58 /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ 59 add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); 60 /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ 61 add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); 62 /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ 63 add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); 64 65 set_io_port_base(JAZZ_PORT_BASE); 66 #ifdef CONFIG_EISA 67 EISA_bus = 1; 68 #endif 69 70 /* request I/O space for devices used on all i[345]86 PCs */ 71 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) 72 request_resource(&ioport_resource, jazz_io_resources + i); 73 74 /* The RTC is outside the port address space */ 75 76 _machine_restart = jazz_machine_restart; 77 78 add_preferred_console("ttyS", 0, "9600"); 79 } 80 81 #ifdef CONFIG_OLIVETTI_M700 82 #define UART_CLK 1843200 83 #else 84 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know 85 exactly which ones ... XXX */ 86 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ 87 #endif 88 89 #define MEMPORT(_base, _irq) \ 90 { \ 91 .mapbase = (_base), \ 92 .membase = (void *)(_base), \ 93 .irq = (_irq), \ 94 .uartclk = UART_CLK, \ 95 .iotype = UPIO_MEM, \ 96 .flags = UPF_BOOT_AUTOCONF, \ 97 } 98 99 static struct plat_serial8250_port jazz_serial_data[] = { 100 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), 101 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), 102 { }, 103 }; 104 105 static struct platform_device jazz_serial8250_device = { 106 .name = "serial8250", 107 .id = PLAT8250_DEV_PLATFORM, 108 .dev = { 109 .platform_data = jazz_serial_data, 110 }, 111 }; 112 113 static struct resource jazz_esp_rsrc[] = { 114 { 115 .start = JAZZ_SCSI_BASE, 116 .end = JAZZ_SCSI_BASE + 31, 117 .flags = IORESOURCE_MEM 118 }, 119 { 120 .start = JAZZ_SCSI_DMA, 121 .end = JAZZ_SCSI_DMA, 122 .flags = IORESOURCE_MEM 123 }, 124 { 125 .start = JAZZ_SCSI_IRQ, 126 .end = JAZZ_SCSI_IRQ, 127 .flags = IORESOURCE_IRQ 128 } 129 }; 130 131 static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32); 132 133 static struct platform_device jazz_esp_pdev = { 134 .name = "jazz_esp", 135 .num_resources = ARRAY_SIZE(jazz_esp_rsrc), 136 .resource = jazz_esp_rsrc, 137 .dev = { 138 .dma_mask = &jazz_esp_dma_mask, 139 .coherent_dma_mask = DMA_BIT_MASK(32), 140 } 141 }; 142 143 static struct resource jazz_sonic_rsrc[] = { 144 { 145 .start = JAZZ_ETHERNET_BASE, 146 .end = JAZZ_ETHERNET_BASE + 0xff, 147 .flags = IORESOURCE_MEM 148 }, 149 { 150 .start = JAZZ_ETHERNET_IRQ, 151 .end = JAZZ_ETHERNET_IRQ, 152 .flags = IORESOURCE_IRQ 153 } 154 }; 155 156 static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32); 157 158 static struct platform_device jazz_sonic_pdev = { 159 .name = "jazzsonic", 160 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), 161 .resource = jazz_sonic_rsrc, 162 .dev = { 163 .dma_mask = &jazz_sonic_dma_mask, 164 .coherent_dma_mask = DMA_BIT_MASK(32), 165 } 166 }; 167 168 static struct resource jazz_cmos_rsrc[] = { 169 { 170 .start = 0x70, 171 .end = 0x71, 172 .flags = IORESOURCE_IO 173 }, 174 { 175 .start = 8, 176 .end = 8, 177 .flags = IORESOURCE_IRQ 178 } 179 }; 180 181 static struct platform_device jazz_cmos_pdev = { 182 .name = "rtc_cmos", 183 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), 184 .resource = jazz_cmos_rsrc 185 }; 186 187 static struct platform_device pcspeaker_pdev = { 188 .name = "pcspkr", 189 .id = -1, 190 }; 191 192 static int __init jazz_setup_devinit(void) 193 { 194 platform_device_register(&jazz_serial8250_device); 195 platform_device_register(&jazz_esp_pdev); 196 platform_device_register(&jazz_sonic_pdev); 197 platform_device_register(&jazz_cmos_pdev); 198 platform_device_register(&pcspeaker_pdev); 199 200 return 0; 201 } 202 203 device_initcall(jazz_setup_devinit); 204