Logo Search packages:      
Sourcecode: linux version File versions  Download package

setup.c

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * arch/sh64/mach-harp/setup.c
 *
 * SH-5 Simulator Platform Support
 *
 * This file handles the architecture-dependent parts of initialization
 *
 * Copyright (C) 2000, 2001  Paolo Alberelli
 *
 * benedict.gaster@superh.com:       3rd May 2002
 *    Added support for ramdisk, removing statically linked romfs at the same time. *
 *
 * lethal@linux-sh.org:          15th May 2003
 *    Use the generic procfs cpuinfo interface, just return a valid board name.
 */
#include <linux/init.h>
#include <linux/kernel.h>
#include <asm/platform.h>
#include <asm/irq.h>

/*
 * Platform Dependent Interrupt Priorities.
 */

/* Using defaults defined in irq.h */
#define     RES NO_PRIORITY         /* Disabled */
#define IR0 IRL0_PRIORITY     /* IRLs */
#define IR1 IRL1_PRIORITY
#define IR2 IRL2_PRIORITY
#define IR3 IRL3_PRIORITY
#define PCA INTA_PRIORITY     /* PCI Ints */
#define PCB INTB_PRIORITY
#define PCC INTC_PRIORITY
#define PCD INTD_PRIORITY
#define SER TOP_PRIORITY
#define ERR TOP_PRIORITY
#define PW0 TOP_PRIORITY
#define PW1 TOP_PRIORITY
#define PW2 TOP_PRIORITY
#define PW3 TOP_PRIORITY
#define DM0 NO_PRIORITY       /* DMA Ints */
#define DM1 NO_PRIORITY
#define DM2 NO_PRIORITY
#define DM3 NO_PRIORITY
#define DAE NO_PRIORITY
#define TU0 TIMER_PRIORITY    /* TMU Ints */
#define TU1 NO_PRIORITY
#define TU2 NO_PRIORITY
#define TI2 NO_PRIORITY
#define ATI NO_PRIORITY       /* RTC Ints */
#define PRI NO_PRIORITY
#define CUI RTC_PRIORITY
#define ERI SCIF_PRIORITY     /* SCIF Ints */
#define RXI SCIF_PRIORITY
#define BRI SCIF_PRIORITY
#define TXI SCIF_PRIORITY
#define ITI TOP_PRIORITY      /* WDT Ints */

/*
 * Platform dependent structures: maps and parms block.
 */
struct resource io_resources[] = {
      /* To be updated with external devices */
};

struct resource kram_resources[] = {
      /* These must be last in the array */
      { .name = "Kernel code", .start = 0, .end = 0 },
      /* These must be last in the array */
      { .name = "Kernel data", .start = 0, .end = 0 }
};

struct resource xram_resources[] = {
      /* To be updated with external devices */
};

struct resource rom_resources[] = {
      /* To be updated with external devices */
};

struct sh64_platform platform_parms = {
      .readonly_rootfs =      1,
      .initial_root_dev =     0x0100,
      .loader_type =          1,
      .io_res_p =       io_resources,
      .io_res_count =         ARRAY_SIZE(io_resources),
      .kram_res_p =           kram_resources,
      .kram_res_count = ARRAY_SIZE(kram_resources),
      .xram_res_p =           xram_resources,
      .xram_res_count = ARRAY_SIZE(xram_resources),
      .rom_res_p =            rom_resources,
      .rom_res_count =  ARRAY_SIZE(rom_resources),
};

int platform_int_priority[NR_INTC_IRQS] = {
      IR0, IR1, IR2, IR3, PCA, PCB, PCC, PCD,   /* IRQ  0- 7 */
      RES, RES, RES, RES, SER, ERR, PW3, PW2,   /* IRQ  8-15 */
      PW1, PW0, DM0, DM1, DM2, DM3, DAE, RES,   /* IRQ 16-23 */
      RES, RES, RES, RES, RES, RES, RES, RES,   /* IRQ 24-31 */
      TU0, TU1, TU2, TI2, ATI, PRI, CUI, ERI,   /* IRQ 32-39 */
      RXI, BRI, TXI, RES, RES, RES, RES, RES,   /* IRQ 40-47 */
      RES, RES, RES, RES, RES, RES, RES, RES,   /* IRQ 48-55 */
      RES, RES, RES, RES, RES, RES, RES, ITI,   /* IRQ 56-63 */
};

void __init platform_setup(void)
{
      /* Harp platform leaves the decision to head.S, for now */
      platform_parms.fpu_flags = fpu_in_use;
}

void __init platform_monitor(void)
{
      /* Nothing yet .. */
}

void __init platform_reserve(void)
{
      /* Nothing yet .. */
}

const char *get_system_type(void)
{
      return "ST50 Harp";
}

Generated by  Doxygen 1.6.0   Back to index