diff options
Diffstat (limited to 'arch/mips/sni/setup.c')
| -rw-r--r-- | arch/mips/sni/setup.c | 330 |
1 files changed, 197 insertions, 133 deletions
diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c index 262c8568070..efad85c8c82 100644 --- a/arch/mips/sni/setup.c +++ b/arch/mips/sni/setup.c @@ -5,74 +5,40 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1996, 97, 98, 2000, 03, 04 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de) */ -#include <linux/config.h> #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/pci.h> +#include <linux/export.h> #include <linux/console.h> #include <linux/fb.h> -#include <linux/tty.h> +#include <linux/screen_info.h> -#include <asm/arc/types.h> +#ifdef CONFIG_FW_ARC +#include <asm/fw/arc/types.h> #include <asm/sgialib.h> -#include <asm/bcache.h> +#endif + +#ifdef CONFIG_FW_SNIPROM +#include <asm/mipsprom.h> +#endif + #include <asm/bootinfo.h> +#include <asm/cpu.h> #include <asm/io.h> -#include <asm/irq.h> -#include <asm/mc146818-time.h> -#include <asm/processor.h> -#include <asm/ptrace.h> #include <asm/reboot.h> #include <asm/sni.h> -#include <asm/time.h> -#include <asm/traps.h> + +unsigned int sni_brd_type; +EXPORT_SYMBOL(sni_brd_type); extern void sni_machine_restart(char *command); -extern void sni_machine_halt(void); extern void sni_machine_power_off(void); -static void __init sni_rm200_pci_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) { -#ifdef CONFIG_VT -#if defined(CONFIG_VGA_CONSOLE) +#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC) struct screen_info *si = &screen_info; DISPLAY_STATUS *di; @@ -87,113 +53,211 @@ static void __init sni_display_setup(void) si->orig_video_points = 16; } #endif -#endif } -static struct resource sni_io_resource = { - "PCIMT IO MEM", 0x00001000UL, 0x03bfffffUL, IORESOURCE_IO, -}; - -static struct resource pcimt_io_resources[] = { - { "dma1", 0x00, 0x1f, IORESOURCE_BUSY }, - { "timer", 0x40, 0x5f, IORESOURCE_BUSY }, - { "keyboard", 0x60, 0x6f, IORESOURCE_BUSY }, - { "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY }, - { "dma2", 0xc0, 0xdf, IORESOURCE_BUSY }, - { "PCI config data", 0xcfc, 0xcff, IORESOURCE_BUSY } -}; - -static struct resource sni_mem_resource = { - "PCIMT PCI MEM", 0x10000000UL, 0xffffffffUL, 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[] = { - { "Video RAM area", 0x100a0000, 0x100bffff, IORESOURCE_BUSY }, - { "ISA Reserved", 0x100c0000, 0x100fffff, IORESOURCE_BUSY }, - { "PCI IO", 0x14000000, 0x17bfffff, IORESOURCE_BUSY }, - { "Cache Replacement Area", 0x17c00000, 0x17ffffff, IORESOURCE_BUSY}, - { "PCI INT Acknowledge", 0x1a000000, 0x1a000003, IORESOURCE_BUSY }, - { "Boot PROM", 0x1fc00000, 0x1fc7ffff, IORESOURCE_BUSY}, - { "Diag PROM", 0x1fc80000, 0x1fcfffff, IORESOURCE_BUSY}, - { "X-Bus", 0x1fd00000, 0x1fdfffff, IORESOURCE_BUSY}, - { "BIOS map", 0x1fe00000, 0x1fefffff, IORESOURCE_BUSY}, - { "NVRAM / EEPROM", 0x1ff00000, 0x1ff7ffff, IORESOURCE_BUSY}, - { "ASIC PCI", 0x1fff0000, 0x1fffefff, IORESOURCE_BUSY}, - { "MP Agent", 0x1ffff000, 0x1fffffff, IORESOURCE_BUSY}, - { "Main Memory", 0x20000000, 0x9fffffff, IORESOURCE_BUSY} -}; - -static void __init sni_resource_init(void) +static void __init sni_console_setup(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); +#ifndef CONFIG_FW_ARC + char *ctype; + char *cdev; + char *baud; + int port; + static char options[8] __initdata; - /* 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; + cdev = prom_getenv("console_dev"); + if (strncmp(cdev, "tty", 3) == 0) { + ctype = prom_getenv("console"); + switch (*ctype) { + default: + case 'l': + port = 0; + baud = prom_getenv("lbaud"); + break; + case 'r': + port = 1; + baud = prom_getenv("rbaud"); + break; + } + if (baud) + strcpy(options, baud); + if (strncmp(cdev, "tty552", 6) == 0) + add_preferred_console("ttyS", port, + baud ? options : NULL); + else + add_preferred_console("ttySC", port, + baud ? options : NULL); + } +#endif } -extern struct pci_ops sni_pci_ops; +#ifdef DEBUG +static void __init sni_idprom_dump(void) +{ + int i; -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 -}; + pr_debug("SNI IDProm dump:\n"); + for (i = 0; i < 256; i++) { + if (i%16 == 0) + pr_debug("%04x ", i); -static inline void sni_pcimt_time_init(void) -{ - rtc_get_time = mc146818_get_cmos_time; - rtc_set_time = mc146818_set_rtc_mmss; + printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i)); + + if (i % 16 == 15) + printk("\n"); + } } +#endif -void __init plat_setup(void) +void __init plat_mem_setup(void) { - sni_pcimt_detect(); - sni_pcimt_sc_init(); - sni_pcimt_time_init(); + int cputype; 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 */ - isa_slot_offset = 0xb0000000; #ifdef CONFIG_EISA EISA_bus = 1; #endif - sni_resource_init(); - board_timer_setup = sni_rm200_pci_timer_setup; + sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE; + cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE; + switch (sni_brd_type) { + case SNI_BRD_TOWER_OASIC: + switch (cputype) { + case SNI_CPU_M8030: + system_type = "RM400-330"; + break; + case SNI_CPU_M8031: + system_type = "RM400-430"; + break; + case SNI_CPU_M8037: + system_type = "RM400-530"; + break; + case SNI_CPU_M8034: + system_type = "RM400-730"; + break; + default: + system_type = "RM400-xxx"; + break; + } + break; + case SNI_BRD_MINITOWER: + switch (cputype) { + case SNI_CPU_M8021: + case SNI_CPU_M8043: + system_type = "RM400-120"; + break; + case SNI_CPU_M8040: + system_type = "RM400-220"; + break; + case SNI_CPU_M8053: + system_type = "RM400-225"; + break; + case SNI_CPU_M8050: + system_type = "RM400-420"; + break; + default: + system_type = "RM400-xxx"; + break; + } + break; + case SNI_BRD_PCI_TOWER: + system_type = "RM400-Cxx"; + break; + case SNI_BRD_RM200: + system_type = "RM200-xxx"; + break; + case SNI_BRD_PCI_MTOWER: + system_type = "RM300-Cxx"; + break; + case SNI_BRD_PCI_DESKTOP: + switch (read_c0_prid() & PRID_IMP_MASK) { + case PRID_IMP_R4600: + case PRID_IMP_R4700: + system_type = "RM200-C20"; + break; + case PRID_IMP_R5000: + system_type = "RM200-C40"; + break; + default: + system_type = "RM200-Cxx"; + break; + } + break; + case SNI_BRD_PCI_TOWER_CPLUS: + system_type = "RM400-Exx"; + break; + case SNI_BRD_PCI_MTOWER_CPLUS: + system_type = "RM300-Exx"; + break; + } + pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type); + +#ifdef DEBUG + sni_idprom_dump(); +#endif + + 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; - _machine_power_off = sni_machine_power_off; + pm_power_off = sni_machine_power_off; sni_display_setup(); + sni_console_setup(); +} #ifdef CONFIG_PCI - register_pci_controller(&sni_controller); -#endif + +#include <linux/pci.h> +#include <video/vga.h> +#include <video/cirrus.h> + +static void quirk_cirrus_ram_size(struct pci_dev *dev) +{ + u16 cmd; + + /* + * firmware doesn't set the ram size correct, so we + * need to do it here, otherwise we get screen corruption + * on older Cirrus chips + */ + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if ((cmd & (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) + == (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) { + vga_wseq(NULL, CL_SEQR6, 0x12); /* unlock all extension registers */ + vga_wseq(NULL, CL_SEQRF, 0x18); + } } + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8, + quirk_cirrus_ram_size); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436, + quirk_cirrus_ram_size); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, + quirk_cirrus_ram_size); +#endif |