| /* |
| * FSL SoC setup code |
| * |
| * Maintained by Kumar Gala (see MAINTAINERS for contact information) |
| * |
| * 2006 (c) MontaVista Software, Inc. |
| * Vitaly Bordug <vbordug@ru.mvista.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 <linux/of_platform.h> |
| #include <linux/phy.h> |
| #include <linux/spi/spi.h> |
| #include <linux/fsl_devices.h> |
| #include <linux/fs_enet_pd.h> |
| #include <linux/fs_uart_pd.h> |
| |
| #include <asm/system.h> |
| #include <asm/atomic.h> |
| #include <asm/io.h> |
| #include <asm/irq.h> |
| #include <asm/time.h> |
| #include <asm/prom.h> |
| #include <sysdev/fsl_soc.h> |
| #include <mm/mmu_decl.h> |
| #include <asm/cpm2.h> |
| |
| extern void init_fcc_ioports(struct fs_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) |
| { |
| struct device_node *soc; |
| |
| if (immrbase != -1) |
| return immrbase; |
| |
| soc = of_find_node_by_type(NULL, "soc"); |
| if (soc) { |
| int size; |
| const void *prop = of_get_property(soc, "reg", &size); |
| |
| if (prop) |
| immrbase = of_translate_address(soc, prop); |
| of_node_put(soc); |
| } |
| |
| return immrbase; |
| } |
| |
| EXPORT_SYMBOL(get_immrbase); |
| |
| #if defined(CONFIG_CPM2) || defined(CONFIG_8xx) |
| |
| static u32 brgfreq = -1; |
| |
| u32 get_brgfreq(void) |
| { |
| struct device_node *node; |
| const unsigned int *prop; |
| int size; |
| |
| if (brgfreq != -1) |
| return brgfreq; |
| |
| node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg"); |
| if (node) { |
| prop = of_get_property(node, "clock-frequency", &size); |
| if (prop && size == 4) |
| brgfreq = *prop; |
| |
| of_node_put(node); |
| return brgfreq; |
| } |
| |
| /* Legacy device binding -- will go away when no users are left. */ |
| node = of_find_node_by_type(NULL, "cpm"); |
| if (node) { |
| prop = of_get_property(node, "brg-frequency", &size); |
| if (prop && size == 4) |
| brgfreq = *prop; |
| |
| of_node_put(node); |
| } |
| |
| return brgfreq; |
| } |
| |
| EXPORT_SYMBOL(get_brgfreq); |
| |
| static u32 fs_baudrate = -1; |
| |
| u32 get_baudrate(void) |
| { |
| struct device_node *node; |
| |
| if (fs_baudrate != -1) |
| return fs_baudrate; |
| |
| node = of_find_node_by_type(NULL, "serial"); |
| if (node) { |
| int size; |
| const unsigned int *prop = of_get_property(node, |
| "current-speed", &size); |
| |
| if (prop) |
| fs_baudrate = *prop; |
| of_node_put(node); |
| } |
| |
| return fs_baudrate; |
| } |
| |
| EXPORT_SYMBOL(get_baudrate); |
| #endif /* CONFIG_CPM2 */ |
| |
| static int __init gfar_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", "gianfar")) != NULL; |
| i++) { |
| int k; |
| struct device_node *child = NULL; |
| struct gianfar_mdio_data 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-gianfar_mdio", |
| res.start, &res, 1); |
| if (IS_ERR(mdio_dev)) { |
| ret = PTR_ERR(mdio_dev); |
| goto err; |
| } |
| |
| for (k = 0; k < 32; k++) |
| mdio_data.irq[k] = PHY_POLL; |
| |
| while ((child = of_get_next_child(np, child)) != NULL) { |
| int irq = irq_of_parse_and_map(child, 0); |
| if (irq != NO_IRQ) { |
| const u32 *id = of_get_property(child, |
| "reg", NULL); |
| mdio_data.irq[*id] = irq; |
| } |
| } |
| |
| ret = |
| platform_device_add_data(mdio_dev, &mdio_data, |
| sizeof(struct gianfar_mdio_data)); |
| if (ret) |
| goto unreg; |
| } |
| |
| return 0; |
| |
| unreg: |
| platform_device_unregister(mdio_dev); |
| err: |
| return ret; |
| } |
| |
| arch_initcall(gfar_mdio_of_init); |
| |
| static const char *gfar_tx_intr = "tx"; |
| static const char *gfar_rx_intr = "rx"; |
| static const char *gfar_err_intr = "error"; |
| |
| |
| static int __init gfar_of_init(void) |
| { |
| struct device_node *np; |
| unsigned int i; |
| struct platform_device *gfar_dev; |
| struct resource res; |
| int ret; |
| |
| for (np = NULL, i = 0; |
| (np = of_find_compatible_node(np, "network", "gianfar")) != NULL; |
| i++) { |
| struct resource r[4]; |
| struct device_node *phy, *mdio; |
| struct gianfar_platform_data gfar_data; |
| const unsigned int *id; |
| const char *model; |
| const char *ctype; |
| const void *mac_addr; |
| const phandle *ph; |
| int n_res = 2; |
| |
| memset(r, 0, sizeof(r)); |
| memset(&gfar_data, 0, sizeof(gfar_data)); |
| |
| ret = of_address_to_resource(np, 0, &r[0]); |
| if (ret) |
| goto err; |
| |
| of_irq_to_resource(np, 0, &r[1]); |
| |
| model = of_get_property(np, "model", NULL); |
| |
| /* If we aren't the FEC we have multiple interrupts */ |
| if (model && strcasecmp(model, "FEC")) { |
| r[1].name = gfar_tx_intr; |
| |
| r[2].name = gfar_rx_intr; |
| of_irq_to_resource(np, 1, &r[2]); |
| |
| r[3].name = gfar_err_intr; |
| of_irq_to_resource(np, 2, &r[3]); |
| |
| n_res += 2; |
| } |
| |
| gfar_dev = |
| platform_device_register_simple("fsl-gianfar", i, &r[0], |
| n_res); |
| |
| if (IS_ERR(gfar_dev)) { |
| ret = PTR_ERR(gfar_dev); |
| goto err; |
| } |
| |
| mac_addr = of_get_mac_address(np); |
| if (mac_addr) |
| memcpy(gfar_data.mac_addr, mac_addr, 6); |
| |
| if (model && !strcasecmp(model, "TSEC")) |
| gfar_data.device_flags = |
| FSL_GIANFAR_DEV_HAS_GIGABIT | |
| FSL_GIANFAR_DEV_HAS_COALESCE | |
| FSL_GIANFAR_DEV_HAS_RMON | |
| FSL_GIANFAR_DEV_HAS_MULTI_INTR; |
| if (model && !strcasecmp(model, "eTSEC")) |
| gfar_data.device_flags = |
| FSL_GIANFAR_DEV_HAS_GIGABIT | |
| FSL_GIANFAR_DEV_HAS_COALESCE | |
| FSL_GIANFAR_DEV_HAS_RMON | |
| FSL_GIANFAR_DEV_HAS_MULTI_INTR | |
| FSL_GIANFAR_DEV_HAS_CSUM | |
| FSL_GIANFAR_DEV_HAS_VLAN | |
| FSL_GIANFAR_DEV_HAS_EXTENDED_HASH; |
| |
| ctype = of_get_property(np, "phy-connection-type", NULL); |
| |
| /* We only care about rgmii-id. The rest are autodetected */ |
| if (ctype && !strcmp(ctype, "rgmii-id")) |
| gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID; |
| else |
| gfar_data.interface = PHY_INTERFACE_MODE_MII; |
| |
| ph = of_get_property(np, "phy-handle", NULL); |
| phy = of_find_node_by_phandle(*ph); |
| |
| if (phy == NULL) { |
| ret = -ENODEV; |
| goto unreg; |
| } |
| |
| mdio = of_get_parent(phy); |
| |
| id = of_get_property(phy, "reg", NULL); |
| ret = of_address_to_resource(mdio, 0, &res); |
| if (ret) { |
| of_node_put(phy); |
| of_node_put(mdio); |
| goto unreg; |
| } |
| |
| gfar_data.phy_id = *id; |
| gfar_data.bus_id = res.start; |
| |
| of_node_put(phy); |
| of_node_put(mdio); |
| |
| ret = |
| platform_device_add_data(gfar_dev, &gfar_data, |
| sizeof(struct |
| gianfar_platform_data)); |
| if (ret) |
| goto unreg; |
| } |
| |
| return 0; |
| |
| unreg: |
| platform_device_unregister(gfar_dev); |
| err: |
| return ret; |
| } |
| |
| arch_initcall(gfar_of_init); |
| |
| #ifdef CONFIG_I2C_BOARDINFO |
| #include <linux/i2c.h> |
| struct i2c_driver_device { |
| char *of_device; |
| char *i2c_driver; |
| char *i2c_type; |
| }; |
| |
| static struct i2c_driver_device i2c_devices[] __initdata = { |
| {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",}, |
| {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",}, |
| {"ricoh,rv5c386", "rtc-rs5c372", "rv5c386",}, |
| {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",}, |
| {"dallas,ds1307", "rtc-ds1307", "ds1307",}, |
| {"dallas,ds1337", "rtc-ds1307", "ds1337",}, |
| {"dallas,ds1338", "rtc-ds1307", "ds1338",}, |
| {"dallas,ds1339", "rtc-ds1307", "ds1339",}, |
| {"dallas,ds1340", "rtc-ds1307", "ds1340",}, |
| {"stm,m41t00", "rtc-ds1307", "m41t00"}, |
| {"dallas,ds1374", "rtc-ds1374", "rtc-ds1374",}, |
| }; |
| |
| static int __init of_find_i2c_driver(struct device_node *node, |
| struct i2c_board_info *info) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) { |
| if (!of_device_is_compatible(node, i2c_devices[i].of_device)) |
| continue; |
| if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver, |
| KOBJ_NAME_LEN) >= KOBJ_NAME_LEN || |
| strlcpy(info->type, i2c_devices[i].i2c_type, |
| I2C_NAME_SIZE) >= I2C_NAME_SIZE) |
| return -ENOMEM; |
| return 0; |
| } |
| return -ENODEV; |
| } |
| |
| static void __init of_register_i2c_devices(struct device_node *adap_node, |
| int bus_num) |
| { |
| struct device_node *node = NULL; |
| |
| while ((node = of_get_next_child(adap_node, node))) { |
| struct i2c_board_info info = {}; |
| const u32 *addr; |
| int len; |
| |
| addr = of_get_property(node, "reg", &len); |
| if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) { |
| printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n"); |
| continue; |
| } |
| |
| info.irq = irq_of_parse_and_map(node, 0); |
| if (info.irq == NO_IRQ) |
| info.irq = -1; |
| |
| if (of_find_i2c_driver(node, &info) < 0) |
| continue; |
| |
| info.addr = *addr; |
| |
| i2c_register_board_info(bus_num, &info, 1); |
| } |
| } |
| |
| static int __init fsl_i2c_of_init(void) |
| { |
| struct device_node *np; |
| unsigned int i; |
| struct platform_device *i2c_dev; |
| int ret; |
| |
| for (np = NULL, i = 0; |
| (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL; |
| i++) { |
| struct resource r[2]; |
| struct fsl_i2c_platform_data i2c_data; |
| const unsigned char *flags = NULL; |
| |
| memset(&r, 0, sizeof(r)); |
| memset(&i2c_data, 0, sizeof(i2c_data)); |
| |
| ret = of_address_to_resource(np, 0, &r[0]); |
| if (ret) |
| goto err; |
| |
| of_irq_to_resource(np, 0, &r[1]); |
| |
| i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2); |
| if (IS_ERR(i2c_dev)) { |
| ret = PTR_ERR(i2c_dev); |
| goto err; |
| } |
| |
| i2c_data.device_flags = 0; |
| flags = of_get_property(np, "dfsrr", NULL); |
| if (flags) |
| i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR; |
| |
| flags = of_get_property(np, "fsl5200-clocking", NULL); |
| if (flags) |
| i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200; |
| |
| ret = |
| platform_device_add_data(i2c_dev, &i2c_data, |
| sizeof(struct |
| fsl_i2c_platform_data)); |
| if (ret) |
| goto unreg; |
| |
| of_register_i2c_devices(np, i); |
| } |
| |
| return 0; |
| |
| unreg: |
| platform_device_unregister(i2c_dev); |
| err: |
| return ret; |
| } |
| |
| arch_initcall(fsl_i2c_of_init); |
| #endif |
| |
| #ifdef CONFIG_PPC_83xx |
| static int __init mpc83xx_wdt_init(void) |
| { |
| struct resource r; |
| struct device_node *soc, *np; |
| struct platform_device *dev; |
| const unsigned int *freq; |
| int ret; |
| |
| np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt"); |
| |
| if (!np) { |
| ret = -ENODEV; |
| goto nodev; |
| } |
| |
| soc = of_find_node_by_type(NULL, "soc"); |
| |
| if (!soc) { |
| ret = -ENODEV; |
| goto nosoc; |
| } |
| |
| freq = of_get_property(soc, "bus-frequency", NULL); |
| if (!freq) { |
| ret = -ENODEV; |
| goto err; |
| } |
| |
| memset(&r, 0, sizeof(r)); |
| |
| ret = of_address_to_resource(np, 0, &r); |
| if (ret) |
| goto err; |
| |
| dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1); |
| if (IS_ERR(dev)) { |
| ret = PTR_ERR(dev); |
| goto err; |
| } |
| |
| ret = platform_device_add_data(dev, freq, sizeof(int)); |
| if (ret) |
| goto unreg; |
| |
| of_node_put(soc); |
| of_node_put(np); |
| |
| return 0; |
| |
| unreg: |
| platform_device_unregister(dev); |
| err: |
| of_node_put(soc); |
| nosoc: |
| of_node_put(np); |
| nodev: |
| return ret; |
| } |
| |
| arch_initcall(mpc83xx_wdt_init); |
| #endif |
| |
| static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type) |
| { |
| if (!phy_type) |
| return FSL_USB2_PHY_NONE; |
| if (!strcasecmp(phy_type, "ulpi")) |
| return FSL_USB2_PHY_ULPI; |
| if (!strcasecmp(phy_type, "utmi")) |
| return FSL_USB2_PHY_UTMI; |
| if (!strcasecmp(phy_type, "utmi_wide")) |
| return FSL_USB2_PHY_UTMI_WIDE; |
| if (!strcasecmp(phy_type, "serial")) |
| return FSL_USB2_PHY_SERIAL; |
| |
| return FSL_USB2_PHY_NONE; |
| } |
| |
| static int __init fsl_usb_of_init(void) |
| { |
| struct device_node *np; |
| unsigned int i; |
| struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL, |
| *usb_dev_dr_client = NULL; |
| int ret; |
| |
| for (np = NULL, i = 0; |
| (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL; |
| i++) { |
| struct resource r[2]; |
| struct fsl_usb2_platform_data usb_data; |
| const unsigned char *prop = NULL; |
| |
| memset(&r, 0, sizeof(r)); |
| memset(&usb_data, 0, sizeof(usb_data)); |
| |
| ret = of_address_to_resource(np, 0, &r[0]); |
| if (ret) |
| goto err; |
| |
| of_irq_to_resource(np, 0, &r[1]); |
| |
| usb_dev_mph = |
| platform_device_register_simple("fsl-ehci", i, r, 2); |
| if (IS_ERR(usb_dev_mph)) { |
| ret = PTR_ERR(usb_dev_mph); |
| goto err; |
| } |
| |
| usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL; |
| usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask; |
| |
| usb_data.operating_mode = FSL_USB2_MPH_HOST; |
| |
| prop = of_get_property(np, "port0", NULL); |
| if (prop) |
| usb_data.port_enables |= FSL_USB2_PORT0_ENABLED; |
| |
| prop = of_get_property(np, "port1", NULL); |
| if (prop) |
| usb_data.port_enables |= FSL_USB2_PORT1_ENABLED; |
| |
| prop = of_get_property(np, "phy_type", NULL); |
| usb_data.phy_mode = determine_usb_phy(prop); |
| |
| ret = |
| platform_device_add_data(usb_dev_mph, &usb_data, |
| sizeof(struct |
| fsl_usb2_platform_data)); |
| if (ret) |
| goto unreg_mph; |
| } |
| |
| for (np = NULL; |
| (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL; |
| i++) { |
| struct resource r[2]; |
| struct fsl_usb2_platform_data usb_data; |
| const unsigned char *prop = NULL; |
| |
| memset(&r, 0, sizeof(r)); |
| memset(&usb_data, 0, sizeof(usb_data)); |
| |
| ret = of_address_to_resource(np, 0, &r[0]); |
| if (ret) |
| goto unreg_mph; |
| |
| of_irq_to_resource(np, 0, &r[1]); |
| |
| prop = of_get_property(np, "dr_mode", NULL); |
| |
| if (!prop || !strcmp(prop, "host")) { |
| usb_data.operating_mode = FSL_USB2_DR_HOST; |
| usb_dev_dr_host = platform_device_register_simple( |
| "fsl-ehci", i, r, 2); |
| if (IS_ERR(usb_dev_dr_host)) { |
| ret = PTR_ERR(usb_dev_dr_host); |
| goto err; |
| } |
| } else if (prop && !strcmp(prop, "peripheral")) { |
| usb_data.operating_mode = FSL_USB2_DR_DEVICE; |
| usb_dev_dr_client = platform_device_register_simple( |
| "fsl-usb2-udc", i, r, 2); |
| if (IS_ERR(usb_dev_dr_client)) { |
| ret = PTR_ERR(usb_dev_dr_client); |
| goto err; |
| } |
| } else if (prop && !strcmp(prop, "otg")) { |
| usb_data.operating_mode = FSL_USB2_DR_OTG; |
| usb_dev_dr_host = platform_device_register_simple( |
| "fsl-ehci", i, r, 2); |
| if (IS_ERR(usb_dev_dr_host)) { |
| ret = PTR_ERR(usb_dev_dr_host); |
| goto err; |
| } |
| usb_dev_dr_client = platform_device_register_simple( |
| "fsl-usb2-udc", i, r, 2); |
| if (IS_ERR(usb_dev_dr_client)) { |
| ret = PTR_ERR(usb_dev_dr_client); |
| goto err; |
| } |
| } else { |
| ret = -EINVAL; |
| goto err; |
| } |
| |
| prop = of_get_property(np, "phy_type", NULL); |
| usb_data.phy_mode = determine_usb_phy(prop); |
| |
| if (usb_dev_dr_host) { |
| usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL; |
| usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host-> |
| dev.coherent_dma_mask; |
| if ((ret = platform_device_add_data(usb_dev_dr_host, |
| &usb_data, sizeof(struct |
| fsl_usb2_platform_data)))) |
| goto unreg_dr; |
| } |
| if (usb_dev_dr_client) { |
| usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL; |
| usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client-> |
| dev.coherent_dma_mask; |
| if ((ret = platform_device_add_data(usb_dev_dr_client, |
| &usb_data, sizeof(struct |
| fsl_usb2_platform_data)))) |
| goto unreg_dr; |
| } |
| } |
| return 0; |
| |
| unreg_dr: |
| if (usb_dev_dr_host) |
| platform_device_unregister(usb_dev_dr_host); |
| if (usb_dev_dr_client) |
| platform_device_unregister(usb_dev_dr_client); |
| unreg_mph: |
| if (usb_dev_mph) |
| platform_device_unregister(usb_dev_mph); |
| err: |
| return ret; |
| } |
| |
| arch_initcall(fsl_usb_of_init); |
| |
| #ifndef CONFIG_PPC_CPM_NEW_BINDING |
| #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"; |
| 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; |
| 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, *mdio; |
| struct fs_platform_info fs_enet_data; |
| const unsigned int *id, *phy_addr, *phy_irq; |
| const void *mac_addr; |
| const phandle *ph; |
| const char *model; |
| |
| memset(r, 0, sizeof(r)); |
| memset(&fs_enet_data, 0, sizeof(fs_enet_data)); |
| |
| ret = of_address_to_resource(np, 0, &r[0]); |
| if (ret) |
| goto err; |
| r[0].name = fcc_regs; |
| |
| ret = of_address_to_resource(np, 1, &r[1]); |
| if (ret) |
| goto err; |
| r[1].name = fcc_pram; |
| |
| ret = of_address_to_resource(np, 2, &r[2]); |
| if (ret) |
| goto err; |
| r[2].name = fcc_regs_c; |
| fs_enet_data.fcc_regs_c = r[2].start; |
| |
| of_irq_to_resource(np, 0, &r[3]); |
| |
| fs_enet_dev = |
| platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4); |
| |
| if (IS_ERR(fs_enet_dev)) { |
| ret = PTR_ERR(fs_enet_dev); |
| goto err; |
| } |
| |
| model = of_get_property(np, "model", NULL); |
| if (model == NULL) { |
| ret = -ENODEV; |
| goto unreg; |
| } |
| |
| mac_addr = of_get_mac_address(np); |
| if (mac_addr) |
| memcpy(fs_enet_data.macaddr, mac_addr, 6); |
| |
| ph = of_get_property(np, "phy-handle", NULL); |
| phy = of_find_node_by_phandle(*ph); |
| |
| if (phy == NULL) { |
| ret = -ENODEV; |
| goto unreg; |
| } |
| |
| phy_addr = of_get_property(phy, "reg", NULL); |
| fs_enet_data.phy_addr = *phy_addr; |
| |
| phy_irq = of_get_property(phy, "interrupts", NULL); |
| |
| id = of_get_property(np, "device-id", NULL); |
| fs_enet_data.fs_no = *id; |
| strcpy(fs_enet_data.fs_type, model); |
| |
| 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; |
| } |
| |
| fs_enet_data.clk_rx = *((u32 *)of_get_property(np, |
| "rx-clock", NULL)); |
| fs_enet_data.clk_tx = *((u32 *)of_get_property(np, |
| "tx-clock", NULL)); |
| |
| if (strstr(model, "FCC")) { |
| int fcc_index = *id - 1; |
| const unsigned char *mdio_bb_prop; |
| |
| fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0); |
| fs_enet_data.rx_ring = 32; |
| fs_enet_data.tx_ring = 32; |
| fs_enet_data.rx_copybreak = 240; |
| fs_enet_data.use_napi = 0; |
| fs_enet_data.napi_weight = 17; |
| fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index); |
| fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index); |
| fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index); |
| |
| snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x", |
| (u32)res.start, fs_enet_data.phy_addr); |
| fs_enet_data.bus_id = (char*)&bus_id[(*id)]; |
| fs_enet_data.init_ioports = init_fcc_ioports; |
| |
| mdio_bb_prop = of_get_property(phy, "bitbang", NULL); |
| if (mdio_bb_prop) { |
| struct platform_device *fs_enet_mdio_bb_dev; |
| struct fs_mii_bb_platform_info fs_enet_mdio_bb_data; |
| |
| fs_enet_mdio_bb_dev = |
| platform_device_register_simple("fsl-bb-mdio", |
| i, NULL, 0); |
| memset(&fs_enet_mdio_bb_data, 0, |
| sizeof(struct fs_mii_bb_platform_info)); |
| fs_enet_mdio_bb_data.mdio_dat.bit = |
| mdio_bb_prop[0]; |
| fs_enet_mdio_bb_data.mdio_dir.bit = |
| mdio_bb_prop[1]; |
| fs_enet_mdio_bb_data.mdc_dat.bit = |
| mdio_bb_prop[2]; |
| fs_enet_mdio_bb_data.mdio_port = |
| mdio_bb_prop[3]; |
| fs_enet_mdio_bb_data.mdc_port = |
| mdio_bb_prop[4]; |
| fs_enet_mdio_bb_data.delay = |
| mdio_bb_prop[5]; |
| |
| fs_enet_mdio_bb_data.irq[0] = phy_irq[0]; |
| fs_enet_mdio_bb_data.irq[1] = -1; |
| fs_enet_mdio_bb_data.irq[2] = -1; |
| fs_enet_mdio_bb_data.irq[3] = phy_irq[0]; |
| fs_enet_mdio_bb_data.irq[31] = -1; |
| |
| fs_enet_mdio_bb_data.mdio_dat.offset = |
| (u32)&cpm2_immr->im_ioport.iop_pdatc; |
| fs_enet_mdio_bb_data.mdio_dir.offset = |
| (u32)&cpm2_immr->im_ioport.iop_pdirc; |
| fs_enet_mdio_bb_data.mdc_dat.offset = |
| (u32)&cpm2_immr->im_ioport.iop_pdatc; |
| |
| ret = platform_device_add_data( |
| fs_enet_mdio_bb_dev, |
| &fs_enet_mdio_bb_data, |
| sizeof(struct fs_mii_bb_platform_info)); |
| if (ret) |
| goto unreg; |
| } |
| |
| 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 scc_regs[] = "regs"; |
| static const char scc_pram[] = "pram"; |
| |
| static int __init cpm_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; |
| const int *id; |
| const 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 = scc_regs; |
| |
| ret = of_address_to_resource(np, 1, &r[1]); |
| if (ret) |
| goto err; |
| r[1].name = scc_pram; |
| |
| of_irq_to_resource(np, 0, &r[2]); |
| |
| cpm_uart_dev = |
| platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3); |
| |
| if (IS_ERR(cpm_uart_dev)) { |
| ret = PTR_ERR(cpm_uart_dev); |
| goto err; |
| } |
| |
| id = of_get_property(np, "device-id", NULL); |
| cpm_uart_data.fs_no = *id; |
| |
| model = of_get_property(np, "model", NULL); |
| strcpy(cpm_uart_data.fs_type, model); |
| |
| 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; |
| cpm_uart_data.clk_rx = *((u32 *)of_get_property(np, |
| "rx-clock", NULL)); |
| cpm_uart_data.clk_tx = *((u32 *)of_get_property(np, |
| "tx-clock", NULL)); |
| |
| 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_uart_of_init); |
| #endif /* CONFIG_CPM2 */ |
| |
| #ifdef CONFIG_8xx |
| |
| extern void init_scc_ioports(struct fs_platform_info*); |
| extern int platform_device_skip(const 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; |
| const unsigned int *id; |
| const unsigned int *phy_addr; |
| const void *mac_addr; |
| const phandle *ph; |
| const char *model; |
| |
| memset(r, 0, sizeof(r)); |
| memset(&fs_enet_data, 0, sizeof(fs_enet_data)); |
| |
| model = of_get_property(np, "model", NULL); |
| if (model == NULL) { |
| ret = -ENODEV; |
| goto unreg; |
| } |
| |
| id = of_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 = of_get_mac_address(np); |
| if (mac_addr) |
| memcpy(fs_enet_data.macaddr, mac_addr, 6); |
| |
| ph = of_get_property(np, "phy-handle", NULL); |
| if (ph != NULL) |
| phy = of_find_node_by_phandle(*ph); |
| |
| if (phy != NULL) { |
| phy_addr = of_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 = of_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 int __init fsl_pcmcia_of_init(void) |
| { |
| struct device_node *np = NULL; |
| /* |
| * Register all the devices which type is "pcmcia" |
| */ |
| while ((np = of_find_compatible_node(np, |
| "pcmcia", "fsl,pq-pcmcia")) != NULL) |
| of_platform_device_create(np, "m8xx-pcmcia", NULL); |
| return 0; |
| } |
| |
| arch_initcall(fsl_pcmcia_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; |
| const int *id; |
| const 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 = of_get_property(np, "model", NULL); |
| strcpy(cpm_uart_data.fs_type, model); |
| |
| id = of_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 */ |
| #endif /* CONFIG_PPC_CPM_NEW_BINDING */ |
| |
| int __init fsl_spi_init(struct spi_board_info *board_infos, |
| unsigned int num_board_infos, |
| void (*activate_cs)(u8 cs, u8 polarity), |
| void (*deactivate_cs)(u8 cs, u8 polarity)) |
| { |
| struct device_node *np; |
| unsigned int i; |
| const u32 *sysclk; |
| |
| /* SPI controller is either clocked from QE or SoC clock */ |
| np = of_find_node_by_type(NULL, "qe"); |
| if (!np) |
| np = of_find_node_by_type(NULL, "soc"); |
| |
| if (!np) |
| return -ENODEV; |
| |
| sysclk = of_get_property(np, "bus-frequency", NULL); |
| if (!sysclk) |
| return -ENODEV; |
| |
| for (np = NULL, i = 1; |
| (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL; |
| i++) { |
| int ret = 0; |
| unsigned int j; |
| const void *prop; |
| struct resource res[2]; |
| struct platform_device *pdev; |
| struct fsl_spi_platform_data pdata = { |
| .activate_cs = activate_cs, |
| .deactivate_cs = deactivate_cs, |
| }; |
| |
| memset(res, 0, sizeof(res)); |
| |
| pdata.sysclk = *sysclk; |
| |
| prop = of_get_property(np, "reg", NULL); |
| if (!prop) |
| goto err; |
| pdata.bus_num = *(u32 *)prop; |
| |
| prop = of_get_property(np, "mode", NULL); |
| if (prop && !strcmp(prop, "cpu-qe")) |
| pdata.qe_mode = 1; |
| |
| for (j = 0; j < num_board_infos; j++) { |
| if (board_infos[j].bus_num == pdata.bus_num) |
| pdata.max_chipselect++; |
| } |
| |
| if (!pdata.max_chipselect) |
| goto err; |
| |
| ret = of_address_to_resource(np, 0, &res[0]); |
| if (ret) |
| goto err; |
| |
| ret = of_irq_to_resource(np, 0, &res[1]); |
| if (ret == NO_IRQ) |
| goto err; |
| |
| pdev = platform_device_alloc("mpc83xx_spi", i); |
| if (!pdev) |
| goto err; |
| |
| ret = platform_device_add_data(pdev, &pdata, sizeof(pdata)); |
| if (ret) |
| goto unreg; |
| |
| ret = platform_device_add_resources(pdev, res, |
| ARRAY_SIZE(res)); |
| if (ret) |
| goto unreg; |
| |
| ret = platform_device_register(pdev); |
| if (ret) |
| goto unreg; |
| |
| continue; |
| unreg: |
| platform_device_del(pdev); |
| err: |
| continue; |
| } |
| |
| return spi_register_board_info(board_infos, num_board_infos); |
| } |
| |
| #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx) |
| static __be32 __iomem *rstcr; |
| |
| static int __init setup_rstcr(void) |
| { |
| struct device_node *np; |
| np = of_find_node_by_name(NULL, "global-utilities"); |
| if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { |
| const u32 *prop = of_get_property(np, "reg", NULL); |
| if (prop) { |
| /* map reset control register |
| * 0xE00B0 is offset of reset control register |
| */ |
| rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff); |
| if (!rstcr) |
| printk (KERN_EMERG "Error: reset control " |
| "register not mapped!\n"); |
| } |
| } else |
| printk (KERN_INFO "rstcr compatible register does not exist!\n"); |
| if (np) |
| of_node_put(np); |
| return 0; |
| } |
| |
| arch_initcall(setup_rstcr); |
| |
| void fsl_rstcr_restart(char *cmd) |
| { |
| local_irq_disable(); |
| if (rstcr) |
| /* set reset control register */ |
| out_be32(rstcr, 0x2); /* HRESET_REQ */ |
| |
| while (1) ; |
| } |
| #endif |