Convert SGI IP22 and specific drivers to platform_device.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 178 insertions, 1 deletions

diff --git a/arch/mips/sgi-ip22/Makefile b/arch/mips/sgi-ip22/Makefile
index b6d649241dc1..1fb3e353e212 100644
--- a/arch/mips/sgi-ip22/Makefile
+++ b/arch/mips/sgi-ip22/Makefile
@@ -4,6 +4,6 @@
 #
 
 obj-y   += ip22-mc.o ip22-hpc.o ip22-int.o ip22-berr.o \
-           ip22-time.o ip22-nvram.o ip22-reset.o ip22-setup.o
+           ip22-time.o ip22-nvram.o ip22-platform.o ip22-reset.o ip22-setup.o
 
 obj-$(CONFIG_EISA)      += ip22-eisa.o
diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c
new file mode 100644
index 000000000000..78b608d2d4e1
--- /dev/null
+++ b/arch/mips/sgi-ip22/ip22-platform.c
@@ -0,0 +1,177 @@
+#include <linux/init.h>
+#include <linux/if_ether.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <asm/paccess.h>
+#include <asm/sgi/ip22.h>
+#include <asm/sgi/hpc3.h>
+#include <asm/sgi/mc.h>
+#include <asm/sgi/seeq.h>
+#include <asm/sgi/wd.h>
+
+static struct resource sgiwd93_0_resources[] = {
+        {
+                .name   = "eth0 irq",
+                .start  = SGI_WD93_0_IRQ,
+                .end    = SGI_WD93_0_IRQ,
+                .flags  = IORESOURCE_IRQ
+        }
+};
+
+static struct sgiwd93_platform_data sgiwd93_0_pd = {
+        .unit   = 0,
+        .irq    = SGI_WD93_0_IRQ,
+};
+
+static struct platform_device sgiwd93_0_device = {
+        .name           = "sgiwd93",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(sgiwd93_0_resources),
+        .resource       = sgiwd93_0_resources,
+        .dev = {
+                .platform_data = &sgiwd93_0_pd,
+        },
+};
+
+static struct resource sgiwd93_1_resources[] = {
+        {
+                .name   = "eth0 irq",
+                .start  = SGI_WD93_1_IRQ,
+                .end    = SGI_WD93_1_IRQ,
+                .flags  = IORESOURCE_IRQ
+        }
+};
+
+static struct sgiwd93_platform_data sgiwd93_1_pd = {
+        .unit   = 1,
+        .irq    = SGI_WD93_1_IRQ,
+};
+
+static struct platform_device sgiwd93_1_device = {
+        .name           = "sgiwd93",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(sgiwd93_1_resources),
+        .resource       = sgiwd93_1_resources,
+        .dev = {
+                .platform_data = &sgiwd93_1_pd,
+        },
+};
+
+/*
+ * Create a platform device for the GPI port that receives the
+ * image data from the embedded camera.
+ */
+static int __init sgiwd93_devinit(void)
+{
+        int res;
+
+        sgiwd93_0_pd.hregs      = &hpc3c0->scsi_chan0;
+        sgiwd93_0_pd.wdregs     = (unsigned char *) hpc3c0->scsi0_ext;
+
+        res = platform_device_register(&sgiwd93_0_device);
+        if (res)
+                return res;
+
+        if (!ip22_is_fullhouse())
+                return 0;
+
+        sgiwd93_1_pd.hregs      = &hpc3c0->scsi_chan1;
+        sgiwd93_1_pd.wdregs     = (unsigned char *) hpc3c0->scsi1_ext;
+
+        return platform_device_register(&sgiwd93_1_device);
+}
+
+device_initcall(sgiwd93_devinit);
+
+static struct resource sgiseeq_0_resources[] = {
+        {
+                .name   = "eth0 irq",
+                .start  = SGI_ENET_IRQ,
+                .end    = SGI_ENET_IRQ,
+                .flags  = IORESOURCE_IRQ
+        }
+};
+
+static struct sgiseeq_platform_data eth0_pd;
+
+static struct platform_device eth0_device = {
+        .name           = "sgiseeq",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(sgiseeq_0_resources),
+        .resource       = sgiseeq_0_resources,
+        .dev = {
+                .platform_data = &eth0_pd,
+        },
+};
+
+static struct resource sgiseeq_1_resources[] = {
+        {
+                .name   = "eth1 irq",
+                .start  = SGI_GIO_0_IRQ,
+                .end    = SGI_GIO_0_IRQ,
+                .flags  = IORESOURCE_IRQ
+        }
+};
+
+static struct sgiseeq_platform_data eth1_pd;
+
+static struct platform_device eth1_device = {
+        .name           = "sgiseeq",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(sgiseeq_1_resources),
+        .resource       = sgiseeq_1_resources,
+        .dev = {
+                .platform_data = &eth1_pd,
+        },
+};
+
+/*
+ * Create a platform device for the GPI port that receives the
+ * image data from the embedded camera.
+ */
+static int __init sgiseeq_devinit(void)
+{
+        unsigned int tmp;
+        int res, i;
+
+        eth0_pd.hpc = hpc3c0;
+        eth0_pd.irq = SGI_ENET_IRQ;
+#define EADDR_NVOFS     250
+        for (i = 0; i < 3; i++) {
+                unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);
+
+                eth0_pd.mac[2 * i]     = tmp >> 8;
+                eth0_pd.mac[2 * i + 1] = tmp & 0xff;
+        }
+
+        res = platform_device_register(&eth0_device);
+        if (res)
+                return res;
+
+        /* Second HPC is missing? */
+        if (ip22_is_fullhouse() ||
+            !get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]))
+                return 0;
+
+        sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 |
+                         SGIMC_GIOPAR_HPC264;
+        hpc3c1->pbus_piocfg[0][0] = 0x3ffff;
+        /* interrupt/config register on Challenge S Mezz board */
+        hpc3c1->pbus_extregs[0][0] = 0x30;
+
+        eth1_pd.hpc = hpc3c1;
+        eth1_pd.irq = SGI_GIO_0_IRQ;
+#define EADDR_NVOFS     250
+        for (i = 0; i < 3; i++) {
+                unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom,
+                                                      EADDR_NVOFS / 2 + i);
+
+                eth1_pd.mac[2 * i]     = tmp >> 8;
+                eth1_pd.mac[2 * i + 1] = tmp & 0xff;
+        }
+
+        return platform_device_register(&eth1_device);
+}
+
+device_initcall(sgiseeq_devinit);