std_resources.c 6.86 KB
Newer Older
1 2 3 4
/*
 *  Machine specific resource allocation for PC-9800.
 *  Written by Osamu Tomita <tomita@cinet.co.jp>
 */
5 6 7 8

#include <linux/ioport.h>
#include <asm/io.h>
#include <asm/std_resources.h>
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122

static char str_pic1[] = "pic1";
static char str_dma[] = "dma";
static char str_pic2[] = "pic2";
static char str_calender_clock[] = "calender clock";
static char str_system[] = "system";
static char str_nmi_control[] = "nmi control";
static char str_kanji_rom[] = "kanji rom";
static char str_keyboard[] = "keyboard";
static char str_text_gdc[] = "text gdc";
static char str_crtc[] = "crtc";
static char str_timer[] = "timer";
static char str_graphic_gdc[] = "graphic gdc";
static char str_dma_ex_bank[] = "dma ex. bank";
static char str_beep_freq[] = "beep freq.";
static char str_mouse_pio[] = "mouse pio";
struct resource standard_io_resources[] = {
	{ str_pic1, 0x00, 0x00, IORESOURCE_BUSY },
	{ str_dma, 0x01, 0x01, IORESOURCE_BUSY },
	{ str_pic1, 0x02, 0x02, IORESOURCE_BUSY },
	{ str_dma, 0x03, 0x03, IORESOURCE_BUSY },
	{ str_dma, 0x05, 0x05, IORESOURCE_BUSY },
	{ str_dma, 0x07, 0x07, IORESOURCE_BUSY },
	{ str_pic2, 0x08, 0x08, IORESOURCE_BUSY },
	{ str_dma, 0x09, 0x09, IORESOURCE_BUSY },
	{ str_pic2, 0x0a, 0x0a, IORESOURCE_BUSY },
	{ str_dma, 0x0b, 0x0b, IORESOURCE_BUSY },
	{ str_dma, 0x0d, 0x0d, IORESOURCE_BUSY },
	{ str_dma, 0x0f, 0x0f, IORESOURCE_BUSY },
	{ str_dma, 0x11, 0x11, IORESOURCE_BUSY },
	{ str_dma, 0x13, 0x13, IORESOURCE_BUSY },
	{ str_dma, 0x15, 0x15, IORESOURCE_BUSY },
	{ str_dma, 0x17, 0x17, IORESOURCE_BUSY },
	{ str_dma, 0x19, 0x19, IORESOURCE_BUSY },
	{ str_dma, 0x1b, 0x1b, IORESOURCE_BUSY },
	{ str_dma, 0x1d, 0x1d, IORESOURCE_BUSY },
	{ str_dma, 0x1f, 0x1f, IORESOURCE_BUSY },
	{ str_calender_clock, 0x20, 0x20, 0 },
	{ str_dma, 0x21, 0x21, IORESOURCE_BUSY },
	{ str_calender_clock, 0x22, 0x22, 0 },
	{ str_dma, 0x23, 0x23, IORESOURCE_BUSY },
	{ str_dma, 0x25, 0x25, IORESOURCE_BUSY },
	{ str_dma, 0x27, 0x27, IORESOURCE_BUSY },
	{ str_dma, 0x29, 0x29, IORESOURCE_BUSY },
	{ str_dma, 0x2b, 0x2b, IORESOURCE_BUSY },
	{ str_dma, 0x2d, 0x2d, IORESOURCE_BUSY },
	{ str_system, 0x31, 0x31, IORESOURCE_BUSY },
	{ str_system, 0x33, 0x33, IORESOURCE_BUSY },
	{ str_system, 0x35, 0x35, IORESOURCE_BUSY },
	{ str_system, 0x37, 0x37, IORESOURCE_BUSY },
	{ str_nmi_control, 0x50, 0x50, IORESOURCE_BUSY },
	{ str_nmi_control, 0x52, 0x52, IORESOURCE_BUSY },
	{ "time stamp", 0x5c, 0x5f, IORESOURCE_BUSY },
	{ str_kanji_rom, 0xa1, 0xa1, IORESOURCE_BUSY },
	{ str_kanji_rom, 0xa3, 0xa3, IORESOURCE_BUSY },
	{ str_kanji_rom, 0xa5, 0xa5, IORESOURCE_BUSY },
	{ str_kanji_rom, 0xa7, 0xa7, IORESOURCE_BUSY },
	{ str_kanji_rom, 0xa9, 0xa9, IORESOURCE_BUSY },
	{ str_keyboard, 0x41, 0x41, IORESOURCE_BUSY },
	{ str_keyboard, 0x43, 0x43, IORESOURCE_BUSY },
	{ str_text_gdc, 0x60, 0x60, IORESOURCE_BUSY },
	{ str_text_gdc, 0x62, 0x62, IORESOURCE_BUSY },
	{ str_text_gdc, 0x64, 0x64, IORESOURCE_BUSY },
	{ str_text_gdc, 0x66, 0x66, IORESOURCE_BUSY },
	{ str_text_gdc, 0x68, 0x68, IORESOURCE_BUSY },
	{ str_text_gdc, 0x6a, 0x6a, IORESOURCE_BUSY },
	{ str_text_gdc, 0x6c, 0x6c, IORESOURCE_BUSY },
	{ str_text_gdc, 0x6e, 0x6e, IORESOURCE_BUSY },
	{ str_crtc, 0x70, 0x70, IORESOURCE_BUSY },
	{ str_crtc, 0x72, 0x72, IORESOURCE_BUSY },
	{ str_crtc, 0x74, 0x74, IORESOURCE_BUSY },
	{ str_crtc, 0x74, 0x74, IORESOURCE_BUSY },
	{ str_crtc, 0x76, 0x76, IORESOURCE_BUSY },
	{ str_crtc, 0x78, 0x78, IORESOURCE_BUSY },
	{ str_crtc, 0x7a, 0x7a, IORESOURCE_BUSY },
	{ str_timer, 0x71, 0x71, IORESOURCE_BUSY },
	{ str_timer, 0x73, 0x73, IORESOURCE_BUSY },
	{ str_timer, 0x75, 0x75, IORESOURCE_BUSY },
	{ str_timer, 0x77, 0x77, IORESOURCE_BUSY },
	{ str_graphic_gdc, 0xa0, 0xa0, IORESOURCE_BUSY },
	{ str_graphic_gdc, 0xa2, 0xa2, IORESOURCE_BUSY },
	{ str_graphic_gdc, 0xa4, 0xa4, IORESOURCE_BUSY },
	{ str_graphic_gdc, 0xa6, 0xa6, IORESOURCE_BUSY },
	{ "cpu", 0xf0, 0xf7, IORESOURCE_BUSY },
	{ "fpu", 0xf8, 0xff, IORESOURCE_BUSY },
	{ str_dma_ex_bank, 0x0e05, 0x0e05, 0 },
	{ str_dma_ex_bank, 0x0e07, 0x0e07, 0 },
	{ str_dma_ex_bank, 0x0e09, 0x0e09, 0 },
	{ str_dma_ex_bank, 0x0e0b, 0x0e0b, 0 },
	{ str_beep_freq, 0x3fd9, 0x3fd9, IORESOURCE_BUSY },
	{ str_beep_freq, 0x3fdb, 0x3fdb, IORESOURCE_BUSY },
	{ str_beep_freq, 0x3fdd, 0x3fdd, IORESOURCE_BUSY },
	{ str_beep_freq, 0x3fdf, 0x3fdf, IORESOURCE_BUSY },
	/* All PC-9800 have (exactly) one mouse interface.  */
	{ str_mouse_pio, 0x7fd9, 0x7fd9, 0 },
	{ str_mouse_pio, 0x7fdb, 0x7fdb, 0 },
	{ str_mouse_pio, 0x7fdd, 0x7fdd, 0 },
	{ str_mouse_pio, 0x7fdf, 0x7fdf, 0 },
	{ "mouse timer", 0xbfdb, 0xbfdb, 0 },
	{ "mouse irq", 0x98d7, 0x98d7, 0 },
};

#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource))

static struct resource tvram_resource = { "Text VRAM/CG window", 0xa0000, 0xa4fff, IORESOURCE_BUSY };
static struct resource gvram_brg_resource = { "Graphic VRAM (B/R/G)", 0xa8000, 0xbffff, IORESOURCE_BUSY };
static struct resource gvram_e_resource = { "Graphic VRAM (E)", 0xe0000, 0xe7fff, IORESOURCE_BUSY };

/* System ROM resources */
#define MAXROMS 6
static struct resource rom_resources[MAXROMS] = {
	{ "System ROM", 0xe8000, 0xfffff, IORESOURCE_BUSY }
};

123
void __init probe_roms(void)
124 125 126
{
	int i;
	__u8 *xrom_id;
127 128 129
	int roms = 1;

	request_resource(&iomem_resource, rom_resources+0);
130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151

	xrom_id = (__u8 *) isa_bus_to_virt(PC9800SCA_XROM_ID + 0x10);

	for (i = 0; i < 16; i++) {
		if (xrom_id[i] & 0x80) {
			int j;

			for (j = i + 1; j < 16 && (xrom_id[j] & 0x80); j++)
				;
			rom_resources[roms].start = 0x0d0000 + i * 0x001000;
			rom_resources[roms].end = 0x0d0000 + j * 0x001000 - 1;
			rom_resources[roms].name = "Extension ROM";
			rom_resources[roms].flags = IORESOURCE_BUSY;

			request_resource(&iomem_resource,
					  rom_resources + roms);
			if (++roms >= MAXROMS)
				return;
		}
	}
}

152
void __init request_graphics_resource(void)
153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188
{
	int i;

	if (PC9800_HIGHRESO_P()) {
		tvram_resource.start = 0xe0000;
		tvram_resource.end   = 0xe4fff;
		gvram_brg_resource.name  = "Graphic VRAM";
		gvram_brg_resource.start = 0xc0000;
		gvram_brg_resource.end   = 0xdffff;
	}

	request_resource(&iomem_resource, &tvram_resource);
	request_resource(&iomem_resource, &gvram_brg_resource);
	if (!PC9800_HIGHRESO_P())
		request_resource(&iomem_resource, &gvram_e_resource);

	if (PC9800_HIGHRESO_P() || PC9800_9821_P()) {
		static char graphics[] = "graphics";
		static struct resource graphics_resources[] = {
			{ graphics, 0x9a0, 0x9a0, 0 },
			{ graphics, 0x9a2, 0x9a2, 0 },
			{ graphics, 0x9a4, 0x9a4, 0 },
			{ graphics, 0x9a6, 0x9a6, 0 },
			{ graphics, 0x9a8, 0x9a8, 0 },
			{ graphics, 0x9aa, 0x9aa, 0 },
			{ graphics, 0x9ac, 0x9ac, 0 },
			{ graphics, 0x9ae, 0x9ae, 0 },
		};

#define GRAPHICS_RESOURCES (sizeof(graphics_resources)/sizeof(struct resource))

		for (i = 0; i < GRAPHICS_RESOURCES; i++)
			request_resource(&ioport_resource, graphics_resources + i);
	}
}

189 190 191 192 193 194 195
void __init request_standard_io_resources(void)
{
	int i;

	for (i = 0; i < STANDARD_IO_RESOURCES; i++)
		request_resource(&ioport_resource, standard_io_resources+i);
}