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 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/hdreg.h> 14 #include <linux/init.h> 15 #include <linux/ioport.h> 16 #include <linux/sched.h> 17 #include <linux/interrupt.h> 18 #include <linux/mm.h> 19 #include <linux/console.h> 20 #include <linux/fb.h> 21 #include <linux/ide.h> 22 #include <linux/pm.h> 23 #include <linux/screen_info.h> 24 #include <linux/platform_device.h> 25 #include <linux/serial_8250.h> 26 27 #include <asm/bootinfo.h> 28 #include <asm/irq.h> 29 #include <asm/jazz.h> 30 #include <asm/jazzdma.h> 31 #include <asm/reboot.h> 32 #include <asm/io.h> 33 #include <asm/pgtable.h> 34 #include <asm/time.h> 35 #include <asm/traps.h> 36 #include <asm/mc146818-time.h> 37 38 extern asmlinkage void jazz_handle_int(void); 39 40 extern void jazz_machine_restart(char *command); 41 42 static struct resource jazz_io_resources[] = { 43 { 44 .start = 0x00, 45 .end = 0x1f, 46 .name = "dma1", 47 .flags = IORESOURCE_BUSY 48 }, { 49 .start = 0x40, 50 .end = 0x5f, 51 .name = "timer", 52 .flags = IORESOURCE_BUSY 53 }, { 54 .start = 0x80, 55 .end = 0x8f, 56 .name = "dma page reg", 57 .flags = IORESOURCE_BUSY 58 }, { 59 .start = 0xc0, 60 .end = 0xdf, 61 .name = "dma2", 62 .flags = IORESOURCE_BUSY 63 } 64 }; 65 66 void __init plat_mem_setup(void) 67 { 68 int i; 69 70 /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ 71 add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); 72 /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ 73 add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); 74 /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ 75 add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); 76 77 set_io_port_base(JAZZ_PORT_BASE); 78 #ifdef CONFIG_EISA 79 if (mips_machtype == MACH_MIPS_MAGNUM_4000) 80 EISA_bus = 1; 81 #endif 82 isa_slot_offset = 0xe3000000; 83 84 /* request I/O space for devices used on all i[345]86 PCs */ 85 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) 86 request_resource(&ioport_resource, jazz_io_resources + i); 87 88 /* The RTC is outside the port address space */ 89 90 _machine_restart = jazz_machine_restart; 91 92 #ifdef CONFIG_VT 93 screen_info = (struct screen_info) { 94 0, 0, /* orig-x, orig-y */ 95 0, /* unused */ 96 0, /* orig_video_page */ 97 0, /* orig_video_mode */ 98 160, /* orig_video_cols */ 99 0, 0, 0, /* unused, ega_bx, unused */ 100 64, /* orig_video_lines */ 101 0, /* orig_video_isVGA */ 102 16 /* orig_video_points */ 103 }; 104 #endif 105 106 add_preferred_console("ttyS", 0, "9600"); 107 } 108 109 #ifdef CONFIG_OLIVETTI_M700 110 #define UART_CLK 1843200 111 #else 112 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know 113 exactly which ones ... XXX */ 114 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ 115 #endif 116 117 #define MEMPORT(_base, _irq) \ 118 { \ 119 .mapbase = (_base), \ 120 .membase = (void *)(_base), \ 121 .irq = (_irq), \ 122 .uartclk = UART_CLK, \ 123 .iotype = UPIO_MEM, \ 124 .flags = UPF_BOOT_AUTOCONF, \ 125 } 126 127 static struct plat_serial8250_port jazz_serial_data[] = { 128 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), 129 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), 130 { }, 131 }; 132 133 static struct platform_device jazz_serial8250_device = { 134 .name = "serial8250", 135 .id = PLAT8250_DEV_PLATFORM, 136 .dev = { 137 .platform_data = jazz_serial_data, 138 }, 139 }; 140 141 static struct resource jazz_esp_rsrc[] = { 142 { 143 .start = JAZZ_SCSI_BASE, 144 .end = JAZZ_SCSI_BASE + 31, 145 .flags = IORESOURCE_MEM 146 }, 147 { 148 .start = JAZZ_SCSI_DMA, 149 .end = JAZZ_SCSI_DMA, 150 .flags = IORESOURCE_MEM 151 }, 152 { 153 .start = JAZZ_SCSI_IRQ, 154 .end = JAZZ_SCSI_IRQ, 155 .flags = IORESOURCE_IRQ 156 } 157 }; 158 159 static struct platform_device jazz_esp_pdev = { 160 .name = "jazz_esp", 161 .num_resources = ARRAY_SIZE(jazz_esp_rsrc), 162 .resource = jazz_esp_rsrc 163 }; 164 165 static struct resource jazz_sonic_rsrc[] = { 166 { 167 .start = JAZZ_ETHERNET_BASE, 168 .end = JAZZ_ETHERNET_BASE + 0xff, 169 .flags = IORESOURCE_MEM 170 }, 171 { 172 .start = JAZZ_ETHERNET_IRQ, 173 .end = JAZZ_ETHERNET_IRQ, 174 .flags = IORESOURCE_IRQ 175 } 176 }; 177 178 static struct platform_device jazz_sonic_pdev = { 179 .name = "jazzsonic", 180 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), 181 .resource = jazz_sonic_rsrc 182 }; 183 184 static struct resource jazz_cmos_rsrc[] = { 185 { 186 .start = 0x70, 187 .end = 0x71, 188 .flags = IORESOURCE_IO 189 }, 190 { 191 .start = 8, 192 .end = 8, 193 .flags = IORESOURCE_IRQ 194 } 195 }; 196 197 static struct platform_device jazz_cmos_pdev = { 198 .name = "rtc_cmos", 199 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), 200 .resource = jazz_cmos_rsrc 201 }; 202 203 static struct platform_device pcspeaker_pdev = { 204 .name = "pcspkr", 205 .id = -1, 206 }; 207 208 static int __init jazz_setup_devinit(void) 209 { 210 platform_device_register(&jazz_serial8250_device); 211 platform_device_register(&jazz_esp_pdev); 212 platform_device_register(&jazz_sonic_pdev); 213 platform_device_register(&jazz_cmos_pdev); 214 platform_device_register(&pcspeaker_pdev); 215 216 return 0; 217 } 218 219 device_initcall(jazz_setup_devinit); 220