[POWERPC] 8xx: platform related changes to the fsl_soc

Added 8xx SoC peripherials: fec for Ethernet and smc for UARTs.
Ordinary routines to extract values from the device tree and insert
respective platform devices

Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 272 insertions, 2 deletions

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index ad31e56e892b..9f2a9a444bfb 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -38,7 +38,8 @@
 #include <asm/cpm2.h>
 
 extern void init_fcc_ioports(struct fs_platform_info*);
-extern void init_scc_ioports(struct fs_uart_platform_info*);
+extern void init_fec_ioports(struct fs_platform_info*);
+extern void init_smc_ioports(struct fs_uart_platform_info*);
 static phys_addr_t immrbase = -1;
 
 phys_addr_t get_immrbase(void)
@@ -63,7 +64,7 @@ phys_addr_t get_immrbase(void)
 
 EXPORT_SYMBOL(get_immrbase);
 
-#ifdef CONFIG_CPM2
+#if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
 
 static u32 brgfreq = -1;
 
@@ -544,6 +545,8 @@ arch_initcall(fsl_usb_of_init);
 
 #ifdef CONFIG_CPM2
 
+extern void init_scc_ioports(struct fs_uart_platform_info*);
+
 static const char fcc_regs[] = "fcc_regs";
 static const char fcc_regs_c[] = "fcc_regs_c";
 static const char fcc_pram[] = "fcc_pram";
@@ -792,3 +795,270 @@ err:
 
 arch_initcall(cpm_uart_of_init);
 #endif /* CONFIG_CPM2 */
+
+#ifdef CONFIG_8xx
+
+extern void init_scc_ioports(struct fs_platform_info*);
+extern int platform_device_skip(char *model, int id);
+
+static int __init fs_enet_mdio_of_init(void)
+{
+        struct device_node *np;
+        unsigned int i;
+        struct platform_device *mdio_dev;
+        struct resource res;
+        int ret;
+
+        for (np = NULL, i = 0;
+             (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
+             i++) {
+                struct fs_mii_fec_platform_info mdio_data;
+
+                memset(&res, 0, sizeof(res));
+                memset(&mdio_data, 0, sizeof(mdio_data));
+
+                ret = of_address_to_resource(np, 0, &res);
+                if (ret)
+                        goto err;
+
+                mdio_dev =
+                    platform_device_register_simple("fsl-cpm-fec-mdio",
+                                                    res.start, &res, 1);
+                if (IS_ERR(mdio_dev)) {
+                        ret = PTR_ERR(mdio_dev);
+                        goto err;
+                }
+
+                mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
+
+                ret =
+                    platform_device_add_data(mdio_dev, &mdio_data,
+                                             sizeof(struct fs_mii_fec_platform_info));
+                if (ret)
+                        goto unreg;
+        }
+        return 0;
+
+unreg:
+        platform_device_unregister(mdio_dev);
+err:
+        return ret;
+}
+
+arch_initcall(fs_enet_mdio_of_init);
+
+static const char *enet_regs = "regs";
+static const char *enet_pram = "pram";
+static const char *enet_irq = "interrupt";
+static char bus_id[9][BUS_ID_SIZE];
+
+static int __init fs_enet_of_init(void)
+{
+        struct device_node *np;
+        unsigned int i;
+        struct platform_device *fs_enet_dev = NULL;
+        struct resource res;
+        int ret;
+
+        for (np = NULL, i = 0;
+             (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
+             i++) {
+                struct resource r[4];
+                struct device_node *phy = NULL, *mdio = NULL;
+                struct fs_platform_info fs_enet_data;
+                unsigned int *id, *phy_addr;
+                void *mac_addr;
+                phandle *ph;
+                char *model;
+
+                memset(r, 0, sizeof(r));
+                memset(&fs_enet_data, 0, sizeof(fs_enet_data));
+
+                model = (char *)get_property(np, "model", NULL);
+                if (model == NULL) {
+                        ret = -ENODEV;
+                        goto unreg;
+                }
+
+                id = (u32 *) get_property(np, "device-id", NULL);
+                fs_enet_data.fs_no = *id;
+
+                if (platform_device_skip(model, *id))
+                        continue;
+
+                ret = of_address_to_resource(np, 0, &r[0]);
+                if (ret)
+                        goto err;
+                r[0].name = enet_regs;
+
+                mac_addr = (void *)get_property(np, "mac-address", NULL);
+                memcpy(fs_enet_data.macaddr, mac_addr, 6);
+
+                ph = (phandle *) get_property(np, "phy-handle", NULL);
+                if (ph != NULL)
+                        phy = of_find_node_by_phandle(*ph);
+
+                if (phy != NULL) {
+                        phy_addr = (u32 *) get_property(phy, "reg", NULL);
+                        fs_enet_data.phy_addr = *phy_addr;
+                        fs_enet_data.has_phy = 1;
+
+                        mdio = of_get_parent(phy);
+                        ret = of_address_to_resource(mdio, 0, &res);
+                        if (ret) {
+                                of_node_put(phy);
+                                of_node_put(mdio);
+                                goto unreg;
+                        }
+                }
+
+                model = (char*)get_property(np, "model", NULL);
+                strcpy(fs_enet_data.fs_type, model);
+
+                if (strstr(model, "FEC")) {
+                        r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
+                        r[1].flags = IORESOURCE_IRQ;
+                        r[1].name = enet_irq;
+
+                        fs_enet_dev =
+                                    platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
+
+                        if (IS_ERR(fs_enet_dev)) {
+                                ret = PTR_ERR(fs_enet_dev);
+                                goto err;
+                        }
+
+                        fs_enet_data.rx_ring = 128;
+                        fs_enet_data.tx_ring = 16;
+                        fs_enet_data.rx_copybreak = 240;
+                        fs_enet_data.use_napi = 1;
+                        fs_enet_data.napi_weight = 17;
+
+                        snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
+                                                        (u32)res.start, fs_enet_data.phy_addr);
+                        fs_enet_data.bus_id = (char*)&bus_id[i];
+                        fs_enet_data.init_ioports = init_fec_ioports;
+                }
+                if (strstr(model, "SCC")) {
+                        ret = of_address_to_resource(np, 1, &r[1]);
+                        if (ret)
+                                goto err;
+                        r[1].name = enet_pram;
+
+                        r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
+                        r[2].flags = IORESOURCE_IRQ;
+                        r[2].name = enet_irq;
+
+                        fs_enet_dev =
+                                    platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
+
+                        if (IS_ERR(fs_enet_dev)) {
+                                ret = PTR_ERR(fs_enet_dev);
+                                goto err;
+                        }
+
+                        fs_enet_data.rx_ring = 64;
+                        fs_enet_data.tx_ring = 8;
+                        fs_enet_data.rx_copybreak = 240;
+                        fs_enet_data.use_napi = 1;
+                        fs_enet_data.napi_weight = 17;
+
+                        snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
+                        fs_enet_data.bus_id = (char*)&bus_id[i];
+                        fs_enet_data.init_ioports = init_scc_ioports;
+                }
+
+                of_node_put(phy);
+                of_node_put(mdio);
+
+                ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
+                                             sizeof(struct
+                                                    fs_platform_info));
+                if (ret)
+                        goto unreg;
+        }
+        return 0;
+
+unreg:
+        platform_device_unregister(fs_enet_dev);
+err:
+        return ret;
+}
+
+arch_initcall(fs_enet_of_init);
+
+
+static const char *smc_regs = "regs";
+static const char *smc_pram = "pram";
+
+static int __init cpm_smc_uart_of_init(void)
+{
+        struct device_node *np;
+        unsigned int i;
+        struct platform_device *cpm_uart_dev;
+        int ret;
+
+        for (np = NULL, i = 0;
+             (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
+             i++) {
+                struct resource r[3];
+                struct fs_uart_platform_info cpm_uart_data;
+                int *id;
+                char *model;
+
+                memset(r, 0, sizeof(r));
+                memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
+
+                ret = of_address_to_resource(np, 0, &r[0]);
+                if (ret)
+                        goto err;
+
+                r[0].name = smc_regs;
+
+                ret = of_address_to_resource(np, 1, &r[1]);
+                if (ret)
+                        goto err;
+                r[1].name = smc_pram;
+
+                r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
+                r[2].flags = IORESOURCE_IRQ;
+
+                cpm_uart_dev =
+                    platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
+
+                if (IS_ERR(cpm_uart_dev)) {
+                        ret = PTR_ERR(cpm_uart_dev);
+                        goto err;
+                }
+
+                model = (char*)get_property(np, "model", NULL);
+                strcpy(cpm_uart_data.fs_type, model);
+
+                id = (int*)get_property(np, "device-id", NULL);
+                cpm_uart_data.fs_no = *id;
+                cpm_uart_data.uart_clk = ppc_proc_freq;
+
+                cpm_uart_data.tx_num_fifo = 4;
+                cpm_uart_data.tx_buf_size = 32;
+                cpm_uart_data.rx_num_fifo = 4;
+                cpm_uart_data.rx_buf_size = 32;
+
+                ret =
+                    platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
+                                             sizeof(struct
+                                                    fs_uart_platform_info));
+                if (ret)
+                        goto unreg;
+        }
+
+        return 0;
+
+unreg:
+        platform_device_unregister(cpm_uart_dev);
+err:
+        return ret;
+}
+
+arch_initcall(cpm_smc_uart_of_init);
+
+#endif /* CONFIG_8xx */