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 #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_BUSY 36 }, { 37 .start = 0x40, 38 .end = 0x5f, 39 .name = "timer", 40 .flags = IORESOURCE_BUSY 41 }, { 42 .start = 0x80, 43 .end = 0x8f, 44 .name = "dma page reg", 45 .flags = IORESOURCE_BUSY 46 }, { 47 .start = 0xc0, 48 .end = 0xdf, 49 .name = "dma2", 50 .flags = 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 #ifdef CONFIG_VT 79 screen_info = (struct screen_info) { 80 .orig_video_cols = 160, 81 .orig_video_lines = 64, 82 .orig_video_points = 16, 83 }; 84 #endif 85 86 add_preferred_console("ttyS", 0, "9600"); 87 } 88 89 #ifdef CONFIG_OLIVETTI_M700 90 #define UART_CLK 1843200 91 #else 92 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know 93 exactly which ones ... XXX */ 94 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ 95 #endif 96 97 #define MEMPORT(_base, _irq) \ 98 { \ 99 .mapbase = (_base), \ 100 .membase = (void *)(_base), \ 101 .irq = (_irq), \ 102 .uartclk = UART_CLK, \ 103 .iotype = UPIO_MEM, \ 104 .flags = UPF_BOOT_AUTOCONF, \ 105 } 106 107 static struct plat_serial8250_port jazz_serial_data[] = { 108 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), 109 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), 110 { }, 111 }; 112 113 static struct platform_device jazz_serial8250_device = { 114 .name = "serial8250", 115 .id = PLAT8250_DEV_PLATFORM, 116 .dev = { 117 .platform_data = jazz_serial_data, 118 }, 119 }; 120 121 static struct resource jazz_esp_rsrc[] = { 122 { 123 .start = JAZZ_SCSI_BASE, 124 .end = JAZZ_SCSI_BASE + 31, 125 .flags = IORESOURCE_MEM 126 }, 127 { 128 .start = JAZZ_SCSI_DMA, 129 .end = JAZZ_SCSI_DMA, 130 .flags = IORESOURCE_MEM 131 }, 132 { 133 .start = JAZZ_SCSI_IRQ, 134 .end = JAZZ_SCSI_IRQ, 135 .flags = IORESOURCE_IRQ 136 } 137 }; 138 139 static struct platform_device jazz_esp_pdev = { 140 .name = "jazz_esp", 141 .num_resources = ARRAY_SIZE(jazz_esp_rsrc), 142 .resource = jazz_esp_rsrc 143 }; 144 145 static struct resource jazz_sonic_rsrc[] = { 146 { 147 .start = JAZZ_ETHERNET_BASE, 148 .end = JAZZ_ETHERNET_BASE + 0xff, 149 .flags = IORESOURCE_MEM 150 }, 151 { 152 .start = JAZZ_ETHERNET_IRQ, 153 .end = JAZZ_ETHERNET_IRQ, 154 .flags = IORESOURCE_IRQ 155 } 156 }; 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 }; 163 164 static struct resource jazz_cmos_rsrc[] = { 165 { 166 .start = 0x70, 167 .end = 0x71, 168 .flags = IORESOURCE_IO 169 }, 170 { 171 .start = 8, 172 .end = 8, 173 .flags = IORESOURCE_IRQ 174 } 175 }; 176 177 static struct platform_device jazz_cmos_pdev = { 178 .name = "rtc_cmos", 179 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), 180 .resource = jazz_cmos_rsrc 181 }; 182 183 static struct platform_device pcspeaker_pdev = { 184 .name = "pcspkr", 185 .id = -1, 186 }; 187 188 static int __init jazz_setup_devinit(void) 189 { 190 platform_device_register(&jazz_serial8250_device); 191 platform_device_register(&jazz_esp_pdev); 192 platform_device_register(&jazz_sonic_pdev); 193 platform_device_register(&jazz_cmos_pdev); 194 platform_device_register(&pcspeaker_pdev); 195 196 return 0; 197 } 198 199 device_initcall(jazz_setup_devinit); 200