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 #include <linux/dma-mapping.h> 20 21 #include <asm/jazz.h> 22 #include <asm/jazzdma.h> 23 #include <asm/reboot.h> 24 #include <asm/pgtable.h> 25 #include <asm/tlbmisc.h> 26 27 extern asmlinkage void jazz_handle_int(void); 28 29 extern void jazz_machine_restart(char *command); 30 31 static struct resource jazz_io_resources[] = { 32 { 33 .start = 0x00, 34 .end = 0x1f, 35 .name = "dma1", 36 .flags = IORESOURCE_IO | IORESOURCE_BUSY 37 }, { 38 .start = 0x40, 39 .end = 0x5f, 40 .name = "timer", 41 .flags = IORESOURCE_IO | IORESOURCE_BUSY 42 }, { 43 .start = 0x80, 44 .end = 0x8f, 45 .name = "dma page reg", 46 .flags = IORESOURCE_IO | IORESOURCE_BUSY 47 }, { 48 .start = 0xc0, 49 .end = 0xdf, 50 .name = "dma2", 51 .flags = IORESOURCE_IO | IORESOURCE_BUSY 52 } 53 }; 54 55 void __init plat_mem_setup(void) 56 { 57 int i; 58 59 /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ 60 add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); 61 /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ 62 add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); 63 /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ 64 add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); 65 66 set_io_port_base(JAZZ_PORT_BASE); 67 #ifdef CONFIG_EISA 68 EISA_bus = 1; 69 #endif 70 71 /* request I/O space for devices used on all i[345]86 PCs */ 72 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) 73 request_resource(&ioport_resource, jazz_io_resources + i); 74 75 /* The RTC is outside the port address space */ 76 77 _machine_restart = jazz_machine_restart; 78 79 #ifdef CONFIG_VT 80 screen_info = (struct screen_info) { 81 .orig_video_cols = 160, 82 .orig_video_lines = 64, 83 .orig_video_points = 16, 84 }; 85 #endif 86 87 add_preferred_console("ttyS", 0, "9600"); 88 } 89 90 #ifdef CONFIG_OLIVETTI_M700 91 #define UART_CLK 1843200 92 #else 93 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know 94 exactly which ones ... XXX */ 95 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ 96 #endif 97 98 #define MEMPORT(_base, _irq) \ 99 { \ 100 .mapbase = (_base), \ 101 .membase = (void *)(_base), \ 102 .irq = (_irq), \ 103 .uartclk = UART_CLK, \ 104 .iotype = UPIO_MEM, \ 105 .flags = UPF_BOOT_AUTOCONF, \ 106 } 107 108 static struct plat_serial8250_port jazz_serial_data[] = { 109 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), 110 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), 111 { }, 112 }; 113 114 static struct platform_device jazz_serial8250_device = { 115 .name = "serial8250", 116 .id = PLAT8250_DEV_PLATFORM, 117 .dev = { 118 .platform_data = jazz_serial_data, 119 }, 120 }; 121 122 static struct resource jazz_esp_rsrc[] = { 123 { 124 .start = JAZZ_SCSI_BASE, 125 .end = JAZZ_SCSI_BASE + 31, 126 .flags = IORESOURCE_MEM 127 }, 128 { 129 .start = JAZZ_SCSI_DMA, 130 .end = JAZZ_SCSI_DMA, 131 .flags = IORESOURCE_MEM 132 }, 133 { 134 .start = JAZZ_SCSI_IRQ, 135 .end = JAZZ_SCSI_IRQ, 136 .flags = IORESOURCE_IRQ 137 } 138 }; 139 140 static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32); 141 142 static struct platform_device jazz_esp_pdev = { 143 .name = "jazz_esp", 144 .num_resources = ARRAY_SIZE(jazz_esp_rsrc), 145 .resource = jazz_esp_rsrc, 146 .dev = { 147 .dma_mask = &jazz_esp_dma_mask, 148 .coherent_dma_mask = DMA_BIT_MASK(32), 149 } 150 }; 151 152 static struct resource jazz_sonic_rsrc[] = { 153 { 154 .start = JAZZ_ETHERNET_BASE, 155 .end = JAZZ_ETHERNET_BASE + 0xff, 156 .flags = IORESOURCE_MEM 157 }, 158 { 159 .start = JAZZ_ETHERNET_IRQ, 160 .end = JAZZ_ETHERNET_IRQ, 161 .flags = IORESOURCE_IRQ 162 } 163 }; 164 165 static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32); 166 167 static struct platform_device jazz_sonic_pdev = { 168 .name = "jazzsonic", 169 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), 170 .resource = jazz_sonic_rsrc, 171 .dev = { 172 .dma_mask = &jazz_sonic_dma_mask, 173 .coherent_dma_mask = DMA_BIT_MASK(32), 174 } 175 }; 176 177 static struct resource jazz_cmos_rsrc[] = { 178 { 179 .start = 0x70, 180 .end = 0x71, 181 .flags = IORESOURCE_IO 182 }, 183 { 184 .start = 8, 185 .end = 8, 186 .flags = IORESOURCE_IRQ 187 } 188 }; 189 190 static struct platform_device jazz_cmos_pdev = { 191 .name = "rtc_cmos", 192 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), 193 .resource = jazz_cmos_rsrc 194 }; 195 196 static struct platform_device pcspeaker_pdev = { 197 .name = "pcspkr", 198 .id = -1, 199 }; 200 201 static int __init jazz_setup_devinit(void) 202 { 203 platform_device_register(&jazz_serial8250_device); 204 platform_device_register(&jazz_esp_pdev); 205 platform_device_register(&jazz_sonic_pdev); 206 platform_device_register(&jazz_cmos_pdev); 207 platform_device_register(&pcspeaker_pdev); 208 209 return 0; 210 } 211 212 device_initcall(jazz_setup_devinit); 213