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 EISA_bus = 1; 80 #endif 81 82 /* request I/O space for devices used on all i[345]86 PCs */ 83 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) 84 request_resource(&ioport_resource, jazz_io_resources + i); 85 86 /* The RTC is outside the port address space */ 87 88 _machine_restart = jazz_machine_restart; 89 90 #ifdef CONFIG_VT 91 screen_info = (struct screen_info) { 92 0, 0, /* orig-x, orig-y */ 93 0, /* unused */ 94 0, /* orig_video_page */ 95 0, /* orig_video_mode */ 96 160, /* orig_video_cols */ 97 0, 0, 0, /* unused, ega_bx, unused */ 98 64, /* orig_video_lines */ 99 0, /* orig_video_isVGA */ 100 16 /* orig_video_points */ 101 }; 102 #endif 103 104 add_preferred_console("ttyS", 0, "9600"); 105 } 106 107 #ifdef CONFIG_OLIVETTI_M700 108 #define UART_CLK 1843200 109 #else 110 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know 111 exactly which ones ... XXX */ 112 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ 113 #endif 114 115 #define MEMPORT(_base, _irq) \ 116 { \ 117 .mapbase = (_base), \ 118 .membase = (void *)(_base), \ 119 .irq = (_irq), \ 120 .uartclk = UART_CLK, \ 121 .iotype = UPIO_MEM, \ 122 .flags = UPF_BOOT_AUTOCONF, \ 123 } 124 125 static struct plat_serial8250_port jazz_serial_data[] = { 126 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), 127 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), 128 { }, 129 }; 130 131 static struct platform_device jazz_serial8250_device = { 132 .name = "serial8250", 133 .id = PLAT8250_DEV_PLATFORM, 134 .dev = { 135 .platform_data = jazz_serial_data, 136 }, 137 }; 138 139 static struct resource jazz_esp_rsrc[] = { 140 { 141 .start = JAZZ_SCSI_BASE, 142 .end = JAZZ_SCSI_BASE + 31, 143 .flags = IORESOURCE_MEM 144 }, 145 { 146 .start = JAZZ_SCSI_DMA, 147 .end = JAZZ_SCSI_DMA, 148 .flags = IORESOURCE_MEM 149 }, 150 { 151 .start = JAZZ_SCSI_IRQ, 152 .end = JAZZ_SCSI_IRQ, 153 .flags = IORESOURCE_IRQ 154 } 155 }; 156 157 static struct platform_device jazz_esp_pdev = { 158 .name = "jazz_esp", 159 .num_resources = ARRAY_SIZE(jazz_esp_rsrc), 160 .resource = jazz_esp_rsrc 161 }; 162 163 static struct resource jazz_sonic_rsrc[] = { 164 { 165 .start = JAZZ_ETHERNET_BASE, 166 .end = JAZZ_ETHERNET_BASE + 0xff, 167 .flags = IORESOURCE_MEM 168 }, 169 { 170 .start = JAZZ_ETHERNET_IRQ, 171 .end = JAZZ_ETHERNET_IRQ, 172 .flags = IORESOURCE_IRQ 173 } 174 }; 175 176 static struct platform_device jazz_sonic_pdev = { 177 .name = "jazzsonic", 178 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), 179 .resource = jazz_sonic_rsrc 180 }; 181 182 static struct resource jazz_cmos_rsrc[] = { 183 { 184 .start = 0x70, 185 .end = 0x71, 186 .flags = IORESOURCE_IO 187 }, 188 { 189 .start = 8, 190 .end = 8, 191 .flags = IORESOURCE_IRQ 192 } 193 }; 194 195 static struct platform_device jazz_cmos_pdev = { 196 .name = "rtc_cmos", 197 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), 198 .resource = jazz_cmos_rsrc 199 }; 200 201 static struct platform_device pcspeaker_pdev = { 202 .name = "pcspkr", 203 .id = -1, 204 }; 205 206 static int __init jazz_setup_devinit(void) 207 { 208 platform_device_register(&jazz_serial8250_device); 209 platform_device_register(&jazz_esp_pdev); 210 platform_device_register(&jazz_sonic_pdev); 211 platform_device_register(&jazz_cmos_pdev); 212 platform_device_register(&pcspeaker_pdev); 213 214 return 0; 215 } 216 217 device_initcall(jazz_setup_devinit); 218