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119 lines
2.7 KiB
119 lines
2.7 KiB
/* |
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* Setup pointers to hardware dependent routines. |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle ([email protected]) |
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* Copyright (C) 2001, 2002, 2003 by Liam Davies ([email protected]) |
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* |
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*/ |
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#include <linux/init.h> |
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#include <linux/interrupt.h> |
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#include <linux/io.h> |
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#include <linux/ioport.h> |
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#include <linux/memblock.h> |
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#include <linux/pm.h> |
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#include <asm/bootinfo.h> |
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#include <asm/reboot.h> |
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#include <asm/setup.h> |
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#include <asm/gt64120.h> |
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#include <cobalt.h> |
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extern void cobalt_machine_restart(char *command); |
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extern void cobalt_machine_halt(void); |
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const char *get_system_type(void) |
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{ |
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switch (cobalt_board_id) { |
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case COBALT_BRD_ID_QUBE1: |
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return "Cobalt Qube"; |
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case COBALT_BRD_ID_RAQ1: |
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return "Cobalt RaQ"; |
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case COBALT_BRD_ID_QUBE2: |
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return "Cobalt Qube2"; |
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case COBALT_BRD_ID_RAQ2: |
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return "Cobalt RaQ2"; |
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} |
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return "MIPS Cobalt"; |
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} |
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/* |
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* Cobalt doesn't have PS/2 keyboard/mouse interfaces, |
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* keyboard controller is never used. |
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* Also PCI-ISA bridge DMA controller is never used. |
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*/ |
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static struct resource cobalt_reserved_resources[] = { |
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{ /* dma1 */ |
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.start = 0x00, |
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.end = 0x1f, |
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.name = "reserved", |
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.flags = IORESOURCE_BUSY | IORESOURCE_IO, |
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}, |
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{ /* keyboard */ |
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.start = 0x60, |
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.end = 0x6f, |
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.name = "reserved", |
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.flags = IORESOURCE_BUSY | IORESOURCE_IO, |
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}, |
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{ /* dma page reg */ |
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.start = 0x80, |
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.end = 0x8f, |
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.name = "reserved", |
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.flags = IORESOURCE_BUSY | IORESOURCE_IO, |
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}, |
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{ /* dma2 */ |
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.start = 0xc0, |
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.end = 0xdf, |
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.name = "reserved", |
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.flags = IORESOURCE_BUSY | IORESOURCE_IO, |
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}, |
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}; |
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void __init plat_mem_setup(void) |
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{ |
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int i; |
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_machine_restart = cobalt_machine_restart; |
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_machine_halt = cobalt_machine_halt; |
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pm_power_off = cobalt_machine_halt; |
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set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE)); |
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/* I/O port resource */ |
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ioport_resource.end = 0x01ffffff; |
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/* These resources have been reserved by VIA SuperI/O chip. */ |
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for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++) |
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request_resource(&ioport_resource, cobalt_reserved_resources + i); |
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} |
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/* |
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* Prom init. We read our one and only communication with the firmware. |
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* Grab the amount of installed memory. |
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* Better boot loaders (CoLo) pass a command line too :-) |
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*/ |
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void __init prom_init(void) |
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{ |
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unsigned long memsz; |
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int argc, i; |
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char **argv; |
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memsz = fw_arg0 & 0x7fff0000; |
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argc = fw_arg0 & 0x0000ffff; |
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argv = (char **)fw_arg1; |
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for (i = 1; i < argc; i++) { |
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strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE); |
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if (i < (argc - 1)) |
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strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); |
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} |
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memblock_add(0, memsz); |
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setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0); |
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}
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