This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / powerpc / sysdev / tsi108_dev.c

diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c
new file mode 100644 (file)
index 0000000..11de090
--- /dev/null
+++ b/arch/powerpc/sysdev/tsi108_dev.c
@@ -0,0 +1,146 @@
+/*
+ * tsi108/109 device setup code
+ *
+ * Maintained by Roy Zang < tie-fei.zang@freescale.com >
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/major.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <asm/tsi108.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <mm/mmu_decl.h>
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(fmt...) do { printk(fmt); } while(0)
+#else
+#define DBG(fmt...) do { } while(0)
+#endif
+
+static phys_addr_t tsi108_csr_base = -1;
+
+phys_addr_t get_csrbase(void)
+{
+       struct device_node *tsi;
+
+       if (tsi108_csr_base != -1)
+               return tsi108_csr_base;
+
+       tsi = of_find_node_by_type(NULL, "tsi-bridge");
+       if (tsi) {
+               unsigned int size;
+               void *prop = get_property(tsi, "reg", &size);
+               tsi108_csr_base = of_translate_address(tsi, prop);
+               of_node_put(tsi);
+       };
+       return tsi108_csr_base;
+}
+
+u32 get_vir_csrbase(void)
+{
+       return (u32) (ioremap(get_csrbase(), 0x10000));
+}
+
+EXPORT_SYMBOL(get_csrbase);
+EXPORT_SYMBOL(get_vir_csrbase);
+
+static int __init tsi108_eth_of_init(void)
+{
+       struct device_node *np;
+       unsigned int i;
+       struct platform_device *tsi_eth_dev;
+       struct resource res;
+       int ret;
+
+       for (np = NULL, i = 0;
+            (np = of_find_compatible_node(np, "network", "tsi-ethernet")) != NULL;
+            i++) {
+               struct resource r[2];
+               struct device_node *phy;
+               hw_info tsi_eth_data;
+               unsigned int *id;
+               unsigned int *phy_id;
+               void *mac_addr;
+               phandle *ph;
+
+               memset(r, 0, sizeof(r));
+               memset(&tsi_eth_data, 0, sizeof(tsi_eth_data));
+
+               ret = of_address_to_resource(np, 0, &r[0]);
+               DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
+                       __FUNCTION__,r[0].name, r[0].start, r[0].end);
+               if (ret)
+                       goto err;
+
+               r[1].name = "tx";
+               r[1].start = irq_of_parse_and_map(np, 0);
+               r[1].end = irq_of_parse_and_map(np, 0);
+               r[1].flags = IORESOURCE_IRQ;
+               DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
+                       __FUNCTION__,r[1].name, r[1].start, r[1].end);
+
+               tsi_eth_dev =
+                   platform_device_register_simple("tsi-ethernet", i, &r[0],
+                                                   1);
+
+               if (IS_ERR(tsi_eth_dev)) {
+                       ret = PTR_ERR(tsi_eth_dev);
+                       goto err;
+               }
+
+               mac_addr = get_property(np, "address", NULL);
+               memcpy(tsi_eth_data.mac_addr, mac_addr, 6);
+
+               ph = (phandle *) get_property(np, "phy-handle", NULL);
+               phy = of_find_node_by_phandle(*ph);
+
+               if (phy == NULL) {
+                       ret = -ENODEV;
+                       goto unreg;
+               }
+
+               id = (u32 *) get_property(phy, "reg", NULL);
+               phy_id = (u32 *) get_property(phy, "phy-id", NULL);
+               ret = of_address_to_resource(phy, 0, &res);
+               if (ret) {
+                       of_node_put(phy);
+                       goto unreg;
+               }
+               tsi_eth_data.regs = r[0].start;
+               tsi_eth_data.phyregs = res.start;
+               tsi_eth_data.phy = *phy_id;
+               tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0);
+               of_node_put(phy);
+               ret =
+                   platform_device_add_data(tsi_eth_dev, &tsi_eth_data,
+                                            sizeof(hw_info));
+               if (ret)
+                       goto unreg;
+       }
+       return 0;
+unreg:
+       platform_device_unregister(tsi_eth_dev);
+err:
+       return ret;
+}
+
+arch_initcall(tsi108_eth_of_init);