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1 2 3 4 5 6 7 8 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 | /* * linux/arch/arm/mach-sa1100/arch.c * * Architecture specific fixups. This is where any * parameters in the params struct are fixed up, or * any additional architecture specific information * is pulled from the params struct. */ #include <linux/config.h> #include <linux/tty.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/init.h> #include <asm/elf.h> #include <asm/hardware.h> #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> extern void genarch_init_irq(void); static void sa1100_power_off(void) { mdelay(100); cli(); /* disable internal oscillator, float CS lines */ PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS); /* set lowest clock */ PPCR = 0; /* set all GPIOs to input mode */ GPDR = 0; /* enter sleep mode */ PMCR = PMCR_SF; } static void victor_power_off(void) { /* switch off power supply */ mdelay(2000); GPCR = GPIO_GPIO23; while (1); } static void xp860_power_off(void) { GPDR |= GPIO_GPIO20; GPSR = GPIO_GPIO20; mdelay(1000); GPCR = GPIO_GPIO20; while(1); } extern void __init sa1100_map_io(void); #define SET_BANK(__nr,__start,__size) \ mi->bank[__nr].start = (__start), \ mi->bank[__nr].size = (__size), \ mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27) static void __init fixup_sa1100(struct machine_desc *desc, struct param_struct *params, char **cmdline, struct meminfo *mi) { pm_power_off = sa1100_power_off; if (machine_is_assabet()) { /* * On Assabet, we must probe for the Neponset board *before* * paging_init() has occurred to actually determine the amount * of RAM available. */ extern void map_sa1100_gpio_regs(void); extern void get_assabet_scr(void); map_sa1100_gpio_regs(); get_assabet_scr(); SET_BANK( 0, 0xc0000000, 32*1024*1024 ); mi->nr_banks = 1; if (machine_has_neponset()) { printk("Neponset expansion board detected\n"); /* * Note that Neponset RAM is slower... * and still untested. * This would be a candidate for * _real_ NUMA support. */ //SET_BANK( 1, 0xd0000000, 32*1024*1024 ); //mi->nr_banks = 2; } ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); setup_ramdisk( 1, 0, 0, 8192 ); setup_initrd( 0xc0800000, 3*1024*1024 ); } else if (machine_is_pangolin()) { SET_BANK( 0, 0xc0000000, 32*1024*1024 ); SET_BANK( 1, 0xc8000000, 32*1024*1024 ); mi->nr_banks = 2; ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); setup_ramdisk( 1, 0, 0, 16384 ); setup_initrd( 0xc0800000, 9*1024*1024 ); } else if (machine_is_brutus()) { SET_BANK( 0, 0xc0000000, 4*1024*1024 ); SET_BANK( 1, 0xc8000000, 4*1024*1024 ); SET_BANK( 2, 0xd0000000, 4*1024*1024 ); SET_BANK( 3, 0xd8000000, 4*1024*1024 ); mi->nr_banks = 4; ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); setup_ramdisk( 1, 0, 0, 8192 ); setup_initrd( __phys_to_virt(0xd8000000), 3*1024*1024 ); } else if (machine_is_cerf()) { // 16Meg Ram. SET_BANK( 0, 0xc0000000, 8*1024*1024 ); SET_BANK( 1, 0xc8000000, 8*1024*1024 ); // comment this out for 8MB Cerfs mi->nr_banks = 2; ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); setup_ramdisk(1, 0, 0, 8192); // Save 2Meg for RAMDisk setup_initrd(0xc0500000, 3*1024*1024); } else if (machine_is_empeg()) { SET_BANK( 0, 0xc0000000, 4*1024*1024 ); SET_BANK( 1, 0xc8000000, 4*1024*1024 ); mi->nr_banks = 2; ROOT_DEV = MKDEV( 3, 1 ); /* /dev/hda1 */ setup_ramdisk( 1, 0, 0, 4096 ); setup_initrd( 0xd0000000+((1024-320)*1024), (320*1024) ); } else if (machine_is_lart()) { /* * Note that LART is a special case - it doesn't use physical * address line A23 on the DRAM, so we effectively have 4 * 8MB * in two SA1100 banks. */ SET_BANK( 0, 0xc0000000, 8*1024*1024 ); SET_BANK( 1, 0xc1000000, 8*1024*1024 ); SET_BANK( 2, 0xc8000000, 8*1024*1024 ); SET_BANK( 3, 0xc9000000, 8*1024*1024 ); mi->nr_banks = 4; ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); setup_ramdisk(1, 0, 0, 8192); setup_initrd(0xc0400000, 4*1024*1024); } else if (machine_is_graphicsclient()) { SET_BANK( 0, 0xc0000000, 16*1024*1024 ); mi->nr_banks = 1; ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); setup_ramdisk( 1, 0, 0, 8192 ); setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 ); } else if (machine_is_nanoengine()) { SET_BANK( 0, 0xc0000000, 32*1024*1024 ); mi->nr_banks = 1; ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); setup_ramdisk( 1, 0, 0, 8192 ); setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 ); /* Get command line parameters passed from the loader (if any) */ if( *((char*)0xc0000100) ) *cmdline = ((char *)0xc0000100); } else if (machine_is_victor()) { SET_BANK( 0, 0xc0000000, 4*1024*1024 ); mi->nr_banks = 1; ROOT_DEV = MKDEV( 60, 2 ); /* Get command line parameters passed from the loader (if any) */ if( *((char*)0xc0000000) ) strcpy( *cmdline, ((char *)0xc0000000) ); /* power off if any problem */ strcat( *cmdline, " panic=1" ); pm_power_off = victor_power_off; } else if (machine_is_sherman()) { SET_BANK( 0, 0xc0000000, 64*1024*1024 ); SET_BANK( 1, 0xc8000000, 64*1024*1024 ); mi->nr_banks = 2; ROOT_DEV = MKDEV( 60, 2 ); setup_ramdisk( 1, 0, 0, 8192 ); // setup_initrd( 0xc0400000, 8*1024*1024 ); } else if (machine_is_xp860()) { SET_BANK( 0, 0xc0000000, 32*1024*1024 ); mi->nr_banks = 1; pm_power_off = xp860_power_off; } } #ifdef CONFIG_SA1100_ASSABET MACHINE_START(ASSABET, "Intel-Assabet") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_PANGOLIN MACHINE_START(PANGOLIN, "Dialogue-Pangolin") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_BITSY MACHINE_START(BITSY, "Compaq Bitsy") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) BOOT_PARAMS(0xc0000100) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_BRUTUS MACHINE_START(BRUTUS, "Intel Brutus (SA1100 eval board)") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_CERF MACHINE_START(CERF, "Intrinsyc CerfBoard") MAINTAINER("Pieter Truter") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_EMPEG MACHINE_START(EMPEG, "empeg MP3 Car Audio Player") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_GRAPHICSCLIENT MACHINE_START(GRAPHICSCLIENT, "ADS GraphicsClient") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_ITSY MACHINE_START(ITSY, "Compaq Itsy") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) BOOT_PARAMS(0xc0000100) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_LART MACHINE_START(LART, "LART") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_NANOENGINE MACHINE_START(NANOENGINE, "BSE nanoEngine") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_PLEB MACHINE_START(PLEB, "PLEB") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_VICTOR MACHINE_START(VICTOR, "VisuAide Victor") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_SHERMAN MACHINE_START(SHERMAN, "Blazie Engineering Sherman") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif #ifdef CONFIG_SA1100_XP860 MACHINE_START(XP860, "XP860") BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) FIXUP(fixup_sa1100) MAPIO(sa1100_map_io) INITIRQ(genarch_init_irq) MACHINE_END #endif |