diff options
Diffstat (limited to 'arch/mips/sni/setup.c')
| -rw-r--r-- | arch/mips/sni/setup.c | 242 |
1 files changed, 27 insertions, 215 deletions
diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c index afeb7f13e5b5..68d7cf609b4f 100644 --- a/arch/mips/sni/setup.c +++ b/arch/mips/sni/setup.c @@ -6,16 +6,10 @@ * for more details. * * Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de) */ #include <linux/eisa.h> -#include <linux/hdreg.h> -#include <linux/ioport.h> -#include <linux/sched.h> #include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/mc146818rtc.h> -#include <linux/pm.h> -#include <linux/pci.h> #include <linux/console.h> #include <linux/fb.h> #include <linux/screen_info.h> @@ -25,52 +19,16 @@ #include <asm/sgialib.h> #endif -#include <asm/bcache.h> -#include <asm/bootinfo.h> #include <asm/io.h> -#include <asm/irq.h> -#include <asm/mc146818-time.h> -#include <asm/processor.h> #include <asm/reboot.h> #include <asm/sni.h> -#include <asm/time.h> -#include <asm/traps.h> + +unsigned int sni_brd_type; extern void sni_machine_restart(char *command); extern void sni_machine_halt(void); extern void sni_machine_power_off(void); -void __init plat_timer_setup(struct irqaction *irq) -{ - /* set the clock to 100 Hz */ - outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */ - outb_p(LATCH & 0xff , 0x40); /* LSB */ - outb(LATCH >> 8 , 0x40); /* MSB */ - setup_irq(0, irq); -} - -/* - * A bit more gossip about the iron we're running on ... - */ -static inline void sni_pcimt_detect(void) -{ - char boardtype[80]; - unsigned char csmsr; - char *p = boardtype; - unsigned int asic; - - csmsr = *(volatile unsigned char *)PCIMT_CSMSR; - - p += sprintf(p, "%s PCI", (csmsr & 0x80) ? "RM200" : "RM300"); - if ((csmsr & 0x80) == 0) - p += sprintf(p, ", board revision %s", - (csmsr & 0x20) ? "D" : "C"); - asic = csmsr & 0x80; - asic = (csmsr & 0x08) ? asic : !asic; - p += sprintf(p, ", ASIC PCI Rev %s", asic ? "1.0" : "1.1"); - printk("%s.\n", boardtype); -} - static void __init sni_display_setup(void) { #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_ARC) @@ -90,175 +48,11 @@ static void __init sni_display_setup(void) #endif } -static struct resource sni_io_resource = { - .start = 0x00001000UL, - .end = 0x03bfffffUL, - .name = "PCIMT IO MEM", - .flags = IORESOURCE_IO, -}; - -static struct resource pcimt_io_resources[] = { - { - .start = 0x00, - .end = 0x1f, - .name = "dma1", - .flags = IORESOURCE_BUSY - }, { - .start = 0x40, - .end = 0x5f, - .name = "timer", - .flags = IORESOURCE_BUSY - }, { - .start = 0x60, - .end = 0x6f, - .name = "keyboard", - .flags = IORESOURCE_BUSY - }, { - .start = 0x80, - .end = 0x8f, - .name = "dma page reg", - .flags = IORESOURCE_BUSY - }, { - .start = 0xc0, - .end = 0xdf, - .name = "dma2", - .flags = IORESOURCE_BUSY - }, { - .start = 0xcfc, - .end = 0xcff, - .name = "PCI config data", - .flags = IORESOURCE_BUSY - } -}; - -static struct resource sni_mem_resource = { - .start = 0x10000000UL, - .end = 0xffffffffUL, - .name = "PCIMT PCI MEM", - .flags = IORESOURCE_MEM -}; - -/* - * The RM200/RM300 has a few holes in it's PCI/EISA memory address space used - * for other purposes. Be paranoid and allocate all of the before the PCI - * code gets a chance to to map anything else there ... - * - * This leaves the following areas available: - * - * 0x10000000 - 0x1009ffff (640kB) PCI/EISA/ISA Bus Memory - * 0x10100000 - 0x13ffffff ( 15MB) PCI/EISA/ISA Bus Memory - * 0x18000000 - 0x1fbfffff (124MB) PCI/EISA Bus Memory - * 0x1ff08000 - 0x1ffeffff (816kB) PCI/EISA Bus Memory - * 0xa0000000 - 0xffffffff (1.5GB) PCI/EISA Bus Memory - */ -static struct resource pcimt_mem_resources[] = { - { - .start = 0x100a0000, - .end = 0x100bffff, - .name = "Video RAM area", - .flags = IORESOURCE_BUSY - }, { - .start = 0x100c0000, - .end = 0x100fffff, - .name = "ISA Reserved", - .flags = IORESOURCE_BUSY - }, { - .start = 0x14000000, - .end = 0x17bfffff, - .name = "PCI IO", - .flags = IORESOURCE_BUSY - }, { - .start = 0x17c00000, - .end = 0x17ffffff, - .name = "Cache Replacement Area", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1a000000, - .end = 0x1a000003, - .name = "PCI INT Acknowledge", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1fc00000, - .end = 0x1fc7ffff, - .name = "Boot PROM", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1fc80000, - .end = 0x1fcfffff, - .name = "Diag PROM", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1fd00000, - .end = 0x1fdfffff, - .name = "X-Bus", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1fe00000, - .end = 0x1fefffff, - .name = "BIOS map", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1ff00000, - .end = 0x1ff7ffff, - .name = "NVRAM / EEPROM", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1fff0000, - .end = 0x1fffefff, - .name = "ASIC PCI", - .flags = IORESOURCE_BUSY - }, { - .start = 0x1ffff000, - .end = 0x1fffffff, - .name = "MP Agent", - .flags = IORESOURCE_BUSY - }, { - .start = 0x20000000, - .end = 0x9fffffff, - .name = "Main Memory", - .flags = IORESOURCE_BUSY - } -}; - -static void __init sni_resource_init(void) -{ - int i; - - /* request I/O space for devices used on all i[345]86 PCs */ - for (i = 0; i < ARRAY_SIZE(pcimt_io_resources); i++) - request_resource(&ioport_resource, pcimt_io_resources + i); - - /* request mem space for pcimt-specific devices */ - for (i = 0; i < ARRAY_SIZE(pcimt_mem_resources); i++) - request_resource(&sni_mem_resource, pcimt_mem_resources + i); - - ioport_resource.end = sni_io_resource.end; -} - -extern struct pci_ops sni_pci_ops; - -static struct pci_controller sni_controller = { - .pci_ops = &sni_pci_ops, - .mem_resource = &sni_mem_resource, - .mem_offset = 0x10000000UL, - .io_resource = &sni_io_resource, - .io_offset = 0x00000000UL -}; - -static inline void sni_pcimt_time_init(void) -{ - rtc_mips_get_time = mc146818_get_cmos_time; - rtc_mips_set_time = mc146818_set_rtc_mmss; -} void __init plat_mem_setup(void) { - sni_pcimt_detect(); - sni_pcimt_sc_init(); - sni_pcimt_time_init(); - set_io_port_base(SNI_PORT_BASE); - ioport_resource.end = sni_io_resource.end; +// ioport_resource.end = sni_io_resource.end; /* * Setup (E)ISA I/O memory access stuff @@ -268,15 +62,33 @@ void __init plat_mem_setup(void) EISA_bus = 1; #endif - sni_resource_init(); + switch (sni_brd_type) { + case SNI_BRD_10: + case SNI_BRD_10NEW: + case SNI_BRD_TOWER_OASIC: + case SNI_BRD_MINITOWER: + sni_a20r_init(); + break; + + case SNI_BRD_PCI_TOWER: + case SNI_BRD_PCI_TOWER_CPLUS: + sni_pcit_init(); + break; + + case SNI_BRD_RM200: + sni_rm200_init(); + break; + + case SNI_BRD_PCI_MTOWER: + case SNI_BRD_PCI_DESKTOP: + case SNI_BRD_PCI_MTOWER_CPLUS: + sni_pcimt_init(); + break; + } _machine_restart = sni_machine_restart; _machine_halt = sni_machine_halt; pm_power_off = sni_machine_power_off; sni_display_setup(); - -#ifdef CONFIG_PCI - register_pci_controller(&sni_controller); -#endif } |