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