1 files changed, 138 insertions, 0 deletions

diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c
new file mode 100644
index 000000000..c3909bd8d
--- /dev/null
+++ b/arch/mips/sgi-ip32/ip32-platform.c
@@ -0,0 +1,138 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/rtc/ds1685.h>
+
+#include <asm/ip32/mace.h>
+#include <asm/ip32/ip32_ints.h>
+
+extern void ip32_prepare_poweroff(void);
+
+#define MACEISA_SERIAL1_OFFS   offsetof(struct sgi_mace, isa.serial1)
+#define MACEISA_SERIAL2_OFFS   offsetof(struct sgi_mace, isa.serial2)
+
+#define MACE_PORT(offset,_irq)                                          \
+{                                                                       \
+        .mapbase        = MACE_BASE + offset,                           \
+        .irq            = _irq,                                         \
+        .uartclk        = 1843200,                                      \
+        .iotype         = UPIO_MEM,                                     \
+        .flags          = UPF_SKIP_TEST|UPF_IOREMAP,                    \
+        .regshift       = 8,                                            \
+}
+
+static struct plat_serial8250_port uart8250_data[] = {
+        MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ),
+        MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ),
+        { },
+};
+
+static struct platform_device uart8250_device = {
+        .name                   = "serial8250",
+        .id                     = PLAT8250_DEV_PLATFORM,
+        .dev                    = {
+                .platform_data  = uart8250_data,
+        },
+};
+
+static int __init uart8250_init(void)
+{
+        return platform_device_register(&uart8250_device);
+}
+
+device_initcall(uart8250_init);
+
+static __init int meth_devinit(void)
+{
+        struct platform_device *pd;
+        int ret;
+
+        pd = platform_device_alloc("meth", -1);
+        if (!pd)
+                return -ENOMEM;
+
+        ret = platform_device_add(pd);
+        if (ret)
+                platform_device_put(pd);
+
+        return ret;
+}
+
+device_initcall(meth_devinit);
+
+static __init int sgio2audio_devinit(void)
+{
+        struct platform_device *pd;
+        int ret;
+
+        pd = platform_device_alloc("sgio2audio", -1);
+        if (!pd)
+                return -ENOMEM;
+
+        ret = platform_device_add(pd);
+        if (ret)
+                platform_device_put(pd);
+
+        return ret;
+}
+
+device_initcall(sgio2audio_devinit);
+
+static __init int sgio2btns_devinit(void)
+{
+        return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
+}
+
+device_initcall(sgio2btns_devinit);
+
+#define MACE_RTC_RES_START (MACE_BASE + offsetof(struct sgi_mace, isa.rtc))
+#define MACE_RTC_RES_END (MACE_RTC_RES_START + 32767)
+
+static struct resource ip32_rtc_resources[] = {
+        {
+                .start  = MACEISA_RTC_IRQ,
+                .end    = MACEISA_RTC_IRQ,
+                .flags  = IORESOURCE_IRQ
+        }, {
+                .start  = MACE_RTC_RES_START,
+                .end    = MACE_RTC_RES_END,
+                .flags  = IORESOURCE_MEM,
+        }
+};
+
+/* RTC registers on IP32 are each padded by 256 bytes (0x100). */
+static struct ds1685_rtc_platform_data
+ip32_rtc_platform_data[] = {
+        {
+                .regstep = 0x100,
+                .bcd_mode = true,
+                .no_irq = false,
+                .uie_unsupported = false,
+                .access_type = ds1685_reg_direct,
+                .plat_prepare_poweroff = ip32_prepare_poweroff,
+        },
+};
+
+struct platform_device ip32_rtc_device = {
+        .name                   = "rtc-ds1685",
+        .id                     = -1,
+        .dev                    = {
+                .platform_data  = ip32_rtc_platform_data,
+        },
+        .num_resources          = ARRAY_SIZE(ip32_rtc_resources),
+        .resource               = ip32_rtc_resources,
+};
+
+static __init int sgio2_rtc_devinit(void)
+{
+        return platform_device_register(&ip32_rtc_device);
+}
+
+device_initcall(sgio2_rtc_devinit);