diff options
Diffstat (limited to 'arch/m68k/mvme16x/config.c')
| -rw-r--r-- | arch/m68k/mvme16x/config.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c index 9bc2da69f80c..d1fbd1704d65 100644 --- a/arch/m68k/mvme16x/config.c +++ b/arch/m68k/mvme16x/config.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * arch/m68k/mvme16x/config.c * @@ -8,10 +9,6 @@ * linux/amiga/config.c * * Copyright (C) 1993 Hamish Macdonald - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. */ #include <linux/types.h> @@ -24,7 +21,6 @@ #include <linux/linkage.h> #include <linux/init.h> #include <linux/major.h> -#include <linux/genhd.h> #include <linux/rtc.h> #include <linux/interrupt.h> #include <linux/module.h> @@ -32,19 +28,21 @@ #include <asm/bootinfo.h> #include <asm/bootinfo-vme.h> #include <asm/byteorder.h> -#include <asm/pgtable.h> #include <asm/setup.h> #include <asm/irq.h> #include <asm/traps.h> #include <asm/machdep.h> #include <asm/mvme16xhw.h> +#include <asm/config.h> + +#include "mvme16x.h" extern t_bdid mvme_bdid; static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE; static void mvme16x_get_model(char *model); -extern void mvme16x_sched_init(irq_handler_t handler); +extern void mvme16x_sched_init(void); extern int mvme16x_hwclk (int, struct rtc_time *); extern void mvme16x_reset (void); @@ -209,7 +207,6 @@ static void __init mvme16x_init_IRQ (void) void mvme16x_cons_write(struct console *co, const char *str, unsigned count) { volatile unsigned char *base_addr = (u_char *)CD2401_ADDR; - volatile u_char sink; u_char ier; int port; u_char do_lf = 0; @@ -230,7 +227,7 @@ void mvme16x_cons_write(struct console *co, const char *str, unsigned count) if (in_8(PCCSCCTICR) & 0x20) { /* We have a Tx int. Acknowledge it */ - sink = in_8(PCCTPIACKR); + in_8(PCCTPIACKR); if ((base_addr[CyLICR] >> 2) == port) { if (i == count) { /* Last char of string is now output */ @@ -269,7 +266,6 @@ void __init config_mvme16x(void) char id[40]; uint16_t brdno = be16_to_cpu(p->brdno); - mach_max_dma_address = 0xffffffff; mach_sched_init = mvme16x_sched_init; mach_init_IRQ = mvme16x_init_IRQ; mach_hwclk = mvme16x_hwclk; @@ -368,38 +364,39 @@ static u32 clk_total; #define PCCTOVR1_COC_EN 0x02 #define PCCTOVR1_OVR_CLR 0x04 +#define PCCTIC1_INT_LEVEL 6 #define PCCTIC1_INT_CLR 0x08 #define PCCTIC1_INT_EN 0x10 static irqreturn_t mvme16x_timer_int (int irq, void *dev_id) { - irq_handler_t timer_routine = dev_id; unsigned long flags; local_irq_save(flags); - out_8(PCCTIC1, in_8(PCCTIC1) | PCCTIC1_INT_CLR); - out_8(PCCTOVR1, PCCTOVR1_OVR_CLR); + out_8(PCCTOVR1, PCCTOVR1_OVR_CLR | PCCTOVR1_TIC_EN | PCCTOVR1_COC_EN); + out_8(PCCTIC1, PCCTIC1_INT_EN | PCCTIC1_INT_CLR | PCCTIC1_INT_LEVEL); clk_total += PCC_TIMER_CYCLES; - timer_routine(0, NULL); + legacy_timer_tick(1); local_irq_restore(flags); return IRQ_HANDLED; } -void mvme16x_sched_init (irq_handler_t timer_routine) +void mvme16x_sched_init(void) { uint16_t brdno = be16_to_cpu(mvme_bdid.brdno); int irq; /* Using PCCchip2 or MC2 chip tick timer 1 */ - out_be32(PCCTCNT1, 0); - out_be32(PCCTCMP1, PCC_TIMER_CYCLES); - out_8(PCCTOVR1, in_8(PCCTOVR1) | PCCTOVR1_TIC_EN | PCCTOVR1_COC_EN); - out_8(PCCTIC1, PCCTIC1_INT_EN | 6); if (request_irq(MVME16x_IRQ_TIMER, mvme16x_timer_int, IRQF_TIMER, "timer", - timer_routine)) + NULL)) panic ("Couldn't register timer int"); + out_be32(PCCTCNT1, 0); + out_be32(PCCTCMP1, PCC_TIMER_CYCLES); + out_8(PCCTOVR1, PCCTOVR1_OVR_CLR | PCCTOVR1_TIC_EN | PCCTOVR1_COC_EN); + out_8(PCCTIC1, PCCTIC1_INT_EN | PCCTIC1_INT_CLR | PCCTIC1_INT_LEVEL); + clocksource_register_hz(&mvme16x_clk, PCC_TIMER_CLOCK_FREQ); if (brdno == 0x0162 || brdno == 0x172) @@ -437,7 +434,6 @@ int bcd2int (unsigned char b) int mvme16x_hwclk(int op, struct rtc_time *t) { -#warning check me! if (!op) { rtc->ctrl = RTC_READ; t->tm_year = bcd2int (rtc->bcd_year); @@ -449,6 +445,9 @@ int mvme16x_hwclk(int op, struct rtc_time *t) rtc->ctrl = 0; if (t->tm_year < 70) t->tm_year += 100; + } else { + /* FIXME Setting the time is not yet supported */ + return -EOPNOTSUPP; } return 0; } |