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-rw-r--r--arch/mips/alchemy/devboards/platform.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c
new file mode 100644
index 0000000..48c537c
--- /dev/null
+++ b/arch/mips/alchemy/devboards/platform.c
@@ -0,0 +1,89 @@
+/*
+ * devoard misc stuff.
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+
+/* register a pcmcia socket */
+int __init db1x_register_pcmcia_socket(unsigned long pseudo_attr_start,
+ unsigned long pseudo_attr_end,
+ unsigned long pseudo_mem_start,
+ unsigned long pseudo_mem_end,
+ unsigned long pseudo_io_start,
+ unsigned long pseudo_io_end,
+ int card_irq,
+ int cd_irq,
+ int stschg_irq,
+ int eject_irq,
+ int id)
+{
+ int cnt, i, ret;
+ struct resource *sr;
+ struct platform_device *pd;
+
+ cnt = 5;
+ if (eject_irq)
+ cnt++;
+ if (stschg_irq)
+ cnt++;
+
+ sr = kzalloc(sizeof(struct resource) * cnt, GFP_KERNEL);
+ if (!sr)
+ return -ENOMEM;
+
+ pd = platform_device_alloc("db1xxx_pcmcia", id);
+ if (!pd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ sr[0].name = "pseudo-attr";
+ sr[0].flags = IORESOURCE_MEM;
+ sr[0].start = pseudo_attr_start;
+ sr[0].end = pseudo_attr_end;
+
+ sr[1].name = "pseudo-mem";
+ sr[1].flags = IORESOURCE_MEM;
+ sr[1].start = pseudo_mem_start;
+ sr[1].end = pseudo_mem_end;
+
+ sr[2].name = "pseudo-io";
+ sr[2].flags = IORESOURCE_MEM;
+ sr[2].start = pseudo_io_start;
+ sr[2].end = pseudo_io_end;
+
+ sr[3].name = "insert";
+ sr[3].flags = IORESOURCE_IRQ;
+ sr[3].start = sr[3].end = cd_irq;
+
+ sr[4].name = "card";
+ sr[4].flags = IORESOURCE_IRQ;
+ sr[4].start = sr[4].end = card_irq;
+
+ i = 5;
+ if (stschg_irq) {
+ sr[i].name = "insert";
+ sr[i].flags = IORESOURCE_IRQ;
+ sr[i].start = sr[i].end = cd_irq;
+ i++;
+ }
+ if (eject_irq) {
+ sr[i].name = "eject";
+ sr[i].flags = IORESOURCE_IRQ;
+ sr[i].start = sr[i].end = eject_irq;
+ }
+
+ pd->resource = sr;
+ pd->num_resources = cnt;
+
+ ret = platform_device_add(pd);
+ if (!ret)
+ return 0;
+
+ platform_device_put(pd);
+out:
+ kfree(sr);
+ return ret;
+}
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