142 lines
3.1 KiB
C
142 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Carsten Langgaard, carstenl@mips.com
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* Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
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*
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* Thomas Horsten <thh@lasat.com>
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* Copyright (C) 2000 LASAT Networks A/S.
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*
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* Brian Murphy <brian@murphy.dk>
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*
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* Lasat specific setup.
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*/
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#include <linux/init.h>
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#include <linux/sched.h>
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#include <linux/pci.h>
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#include <linux/interrupt.h>
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#include <linux/tty.h>
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#include <asm/time.h>
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#include <asm/cpu.h>
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#include <asm/bootinfo.h>
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#include <asm/irq.h>
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#include <asm/lasat/lasat.h>
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#include <asm/lasat/serial.h>
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#ifdef CONFIG_PICVUE
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#include <linux/notifier.h>
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#endif
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#include "ds1603.h"
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#include <asm/lasat/ds1603.h>
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#include <asm/lasat/picvue.h>
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#include <asm/lasat/eeprom.h>
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#include "prom.h"
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int lasat_command_line;
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void lasatint_init(void);
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extern void lasat_reboot_setup(void);
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extern void pcisetup(void);
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extern void edhac_init(void *, void *, void *);
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extern void addrflt_init(void);
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struct lasat_misc lasat_misc_info[N_MACHTYPES] = {
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{
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.reset_reg = (void *)KSEG1ADDR(0x1c840000),
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.flash_wp_reg = (void *)KSEG1ADDR(0x1c800000), 2
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}, {
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.reset_reg = (void *)KSEG1ADDR(0x11080000),
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.flash_wp_reg = (void *)KSEG1ADDR(0x11000000), 6
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}
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};
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struct lasat_misc *lasat_misc;
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#ifdef CONFIG_DS1603
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static struct ds_defs ds_defs[N_MACHTYPES] = {
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{ (void *)DS1603_REG_100, (void *)DS1603_REG_100,
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DS1603_RST_100, DS1603_CLK_100, DS1603_DATA_100,
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DS1603_DATA_SHIFT_100, 0, 0 },
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{ (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200,
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DS1603_RST_200, DS1603_CLK_200, DS1603_DATA_200,
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DS1603_DATA_READ_SHIFT_200, 1, 2000 }
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};
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#endif
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#ifdef CONFIG_PICVUE
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#include "picvue.h"
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static struct pvc_defs pvc_defs[N_MACHTYPES] = {
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{ (void *)PVC_REG_100, PVC_DATA_SHIFT_100, PVC_DATA_M_100,
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PVC_E_100, PVC_RW_100, PVC_RS_100 },
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{ (void *)PVC_REG_200, PVC_DATA_SHIFT_200, PVC_DATA_M_200,
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PVC_E_200, PVC_RW_200, PVC_RS_200 }
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};
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#endif
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static int lasat_panic_display(struct notifier_block *this,
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unsigned long event, void *ptr)
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{
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#ifdef CONFIG_PICVUE
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unsigned char *string = ptr;
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if (string == NULL)
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string = "Kernel Panic";
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pvc_dump_string(string);
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#endif
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return NOTIFY_DONE;
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}
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static int lasat_panic_prom_monitor(struct notifier_block *this,
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unsigned long event, void *ptr)
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{
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prom_monitor();
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return NOTIFY_DONE;
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}
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static struct notifier_block lasat_panic_block[] =
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{
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{
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.notifier_call = lasat_panic_display,
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.priority = INT_MAX
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}, {
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.notifier_call = lasat_panic_prom_monitor,
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.priority = INT_MIN
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}
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};
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void __init plat_time_init(void)
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{
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mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2;
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change_c0_status(ST0_IM, IE_IRQ0);
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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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int lasat_type = IS_LASAT_200() ? 1 : 0;
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lasat_misc = &lasat_misc_info[lasat_type];
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#ifdef CONFIG_PICVUE
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picvue = &pvc_defs[lasat_type];
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#endif
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/* Set up panic notifier */
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for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++)
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atomic_notifier_chain_register(&panic_notifier_list,
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&lasat_panic_block[i]);
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lasat_reboot_setup();
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#ifdef CONFIG_DS1603
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ds1603 = &ds_defs[lasat_type];
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#endif
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#ifdef DYNAMIC_SERIAL_INIT
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serial_init();
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#endif
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pr_info("Lasat specific initialization complete\n");
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}
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