[POWERPC] Add tsi108 pci and platform device data register function

Add Tundra Semiconductor tsi108 pci and platform device data register
function support.

Signed-off-by: Alexandre Bounine <alexandreb@tundra.com>
Signed-off-by: Roy Zang	<tie-fei.zang@freescale.com>

 ---
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c
new file mode 100644
index 000000000000..26a0cc820cde
--- /dev/null
+++ b/arch/powerpc/sysdev/tsi108_dev.c
@@ -0,0 +1,145 @@
+/*
+ * 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/config.h>
+#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 = np->intrs[0].line;
+                r[1].end = np->intrs[0].line;
+                r[1].flags = IORESOURCE_IRQ;
+
+                tsi_eth_dev =
+                    platform_device_register_simple("tsi-ethernet", i, &r[0],
+                                                    np->n_intrs + 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 = np->intrs[0].line;
+                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);