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-rw-r--r--arch/sh/boards/mach-sh03/Makefile5
-rw-r--r--arch/sh/boards/mach-sh03/rtc.c132
-rw-r--r--arch/sh/boards/mach-sh03/setup.c75
3 files changed, 212 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-sh03/Makefile b/arch/sh/boards/mach-sh03/Makefile
new file mode 100644
index 00000000000..400306a796e
--- /dev/null
+++ b/arch/sh/boards/mach-sh03/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Interface (CTP/PCI-SH03) specific parts of the kernel
+#
+
+obj-y := setup.o rtc.o
diff --git a/arch/sh/boards/mach-sh03/rtc.c b/arch/sh/boards/mach-sh03/rtc.c
new file mode 100644
index 00000000000..0a9266bb51c
--- /dev/null
+++ b/arch/sh/boards/mach-sh03/rtc.c
@@ -0,0 +1,132 @@
+/*
+ * linux/arch/sh/boards/sh03/rtc.c -- CTP/PCI-SH03 on-chip RTC support
+ *
+ * Copyright (C) 2004 Saito.K & Jeanne(ksaito@interface.co.jp)
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/time.h>
+#include <linux/bcd.h>
+#include <linux/rtc.h>
+#include <linux/spinlock.h>
+#include <asm/io.h>
+#include <asm/rtc.h>
+
+#define RTC_BASE 0xb0000000
+#define RTC_SEC1 (RTC_BASE + 0)
+#define RTC_SEC10 (RTC_BASE + 1)
+#define RTC_MIN1 (RTC_BASE + 2)
+#define RTC_MIN10 (RTC_BASE + 3)
+#define RTC_HOU1 (RTC_BASE + 4)
+#define RTC_HOU10 (RTC_BASE + 5)
+#define RTC_WEE1 (RTC_BASE + 6)
+#define RTC_DAY1 (RTC_BASE + 7)
+#define RTC_DAY10 (RTC_BASE + 8)
+#define RTC_MON1 (RTC_BASE + 9)
+#define RTC_MON10 (RTC_BASE + 10)
+#define RTC_YEA1 (RTC_BASE + 11)
+#define RTC_YEA10 (RTC_BASE + 12)
+#define RTC_YEA100 (RTC_BASE + 13)
+#define RTC_YEA1000 (RTC_BASE + 14)
+#define RTC_CTL (RTC_BASE + 15)
+#define RTC_BUSY 1
+#define RTC_STOP 2
+
+extern spinlock_t rtc_lock;
+
+unsigned long get_cmos_time(void)
+{
+ unsigned int year, mon, day, hour, min, sec;
+
+ spin_lock(&rtc_lock);
+ again:
+ do {
+ sec = (ctrl_inb(RTC_SEC1) & 0xf) + (ctrl_inb(RTC_SEC10) & 0x7) * 10;
+ min = (ctrl_inb(RTC_MIN1) & 0xf) + (ctrl_inb(RTC_MIN10) & 0xf) * 10;
+ hour = (ctrl_inb(RTC_HOU1) & 0xf) + (ctrl_inb(RTC_HOU10) & 0xf) * 10;
+ day = (ctrl_inb(RTC_DAY1) & 0xf) + (ctrl_inb(RTC_DAY10) & 0xf) * 10;
+ mon = (ctrl_inb(RTC_MON1) & 0xf) + (ctrl_inb(RTC_MON10) & 0xf) * 10;
+ year = (ctrl_inb(RTC_YEA1) & 0xf) + (ctrl_inb(RTC_YEA10) & 0xf) * 10
+ + (ctrl_inb(RTC_YEA100 ) & 0xf) * 100
+ + (ctrl_inb(RTC_YEA1000) & 0xf) * 1000;
+ } while (sec != (ctrl_inb(RTC_SEC1) & 0xf) + (ctrl_inb(RTC_SEC10) & 0x7) * 10);
+ if (year == 0 || mon < 1 || mon > 12 || day > 31 || day < 1 ||
+ hour > 23 || min > 59 || sec > 59) {
+ printk(KERN_ERR
+ "SH-03 RTC: invalid value, resetting to 1 Jan 2000\n");
+ printk("year=%d, mon=%d, day=%d, hour=%d, min=%d, sec=%d\n",
+ year, mon, day, hour, min, sec);
+
+ ctrl_outb(0, RTC_SEC1); ctrl_outb(0, RTC_SEC10);
+ ctrl_outb(0, RTC_MIN1); ctrl_outb(0, RTC_MIN10);
+ ctrl_outb(0, RTC_HOU1); ctrl_outb(0, RTC_HOU10);
+ ctrl_outb(6, RTC_WEE1);
+ ctrl_outb(1, RTC_DAY1); ctrl_outb(0, RTC_DAY10);
+ ctrl_outb(1, RTC_MON1); ctrl_outb(0, RTC_MON10);
+ ctrl_outb(0, RTC_YEA1); ctrl_outb(0, RTC_YEA10);
+ ctrl_outb(0, RTC_YEA100);
+ ctrl_outb(2, RTC_YEA1000);
+ ctrl_outb(0, RTC_CTL);
+ goto again;
+ }
+
+ spin_unlock(&rtc_lock);
+ return mktime(year, mon, day, hour, min, sec);
+}
+
+void sh03_rtc_gettimeofday(struct timespec *tv)
+{
+
+ tv->tv_sec = get_cmos_time();
+ tv->tv_nsec = 0;
+}
+
+static int set_rtc_mmss(unsigned long nowtime)
+{
+ int retval = 0;
+ int real_seconds, real_minutes, cmos_minutes;
+ int i;
+
+ /* gets recalled with irq locally disabled */
+ spin_lock(&rtc_lock);
+ for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
+ if (!(ctrl_inb(RTC_CTL) & RTC_BUSY))
+ break;
+ cmos_minutes = (ctrl_inb(RTC_MIN1) & 0xf) + (ctrl_inb(RTC_MIN10) & 0xf) * 10;
+ real_seconds = nowtime % 60;
+ real_minutes = nowtime / 60;
+ if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
+ real_minutes += 30; /* correct for half hour time zone */
+ real_minutes %= 60;
+
+ if (abs(real_minutes - cmos_minutes) < 30) {
+ ctrl_outb(real_seconds % 10, RTC_SEC1);
+ ctrl_outb(real_seconds / 10, RTC_SEC10);
+ ctrl_outb(real_minutes % 10, RTC_MIN1);
+ ctrl_outb(real_minutes / 10, RTC_MIN10);
+ } else {
+ printk(KERN_WARNING
+ "set_rtc_mmss: can't update from %d to %d\n",
+ cmos_minutes, real_minutes);
+ retval = -1;
+ }
+ spin_unlock(&rtc_lock);
+
+ return retval;
+}
+
+int sh03_rtc_settimeofday(const time_t secs)
+{
+ unsigned long nowtime = secs;
+
+ return set_rtc_mmss(nowtime);
+}
+
+void sh03_time_init(void)
+{
+ rtc_sh_get_time = sh03_rtc_gettimeofday;
+ rtc_sh_set_time = sh03_rtc_settimeofday;
+}
diff --git a/arch/sh/boards/mach-sh03/setup.c b/arch/sh/boards/mach-sh03/setup.c
new file mode 100644
index 00000000000..5771219be3f
--- /dev/null
+++ b/arch/sh/boards/mach-sh03/setup.c
@@ -0,0 +1,75 @@
+/*
+ * linux/arch/sh/boards/sh03/setup.c
+ *
+ * Copyright (C) 2004 Interface Co.,Ltd. Saito.K
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <asm/io.h>
+#include <asm/rtc.h>
+#include <mach-sh03/mach/io.h>
+#include <mach-sh03/mach/sh03.h>
+#include <asm/addrspace.h>
+
+static void __init init_sh03_IRQ(void)
+{
+ plat_irq_setup_pins(IRQ_MODE_IRQ);
+}
+
+extern void *cf_io_base;
+
+static void __iomem *sh03_ioport_map(unsigned long port, unsigned int size)
+{
+ if (PXSEG(port))
+ return (void __iomem *)port;
+ /* CompactFlash (IDE) */
+ if (((port >= 0x1f0) && (port <= 0x1f7)) || (port == 0x3f6))
+ return (void __iomem *)((unsigned long)cf_io_base + port);
+
+ return (void __iomem *)(port + PCI_IO_BASE);
+}
+
+/* arch/sh/boards/sh03/rtc.c */
+void sh03_time_init(void);
+
+static void __init sh03_setup(char **cmdline_p)
+{
+ board_time_init = sh03_time_init;
+}
+
+static struct resource heartbeat_resources[] = {
+ [0] = {
+ .start = 0xa0800000,
+ .end = 0xa0800000,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device heartbeat_device = {
+ .name = "heartbeat",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(heartbeat_resources),
+ .resource = heartbeat_resources,
+};
+
+static struct platform_device *sh03_devices[] __initdata = {
+ &heartbeat_device,
+};
+
+static int __init sh03_devices_setup(void)
+{
+ return platform_add_devices(sh03_devices, ARRAY_SIZE(sh03_devices));
+}
+__initcall(sh03_devices_setup);
+
+static struct sh_machine_vector mv_sh03 __initmv = {
+ .mv_name = "Interface (CTP/PCI-SH03)",
+ .mv_setup = sh03_setup,
+ .mv_nr_irqs = 48,
+ .mv_ioport_map = sh03_ioport_map,
+ .mv_init_irq = init_sh03_IRQ,
+};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 12:10:29 +0000