diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 268 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_soc.h | 2 |
2 files changed, 265 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index 92ba378..0ed2aae 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -3,6 +3,9 @@ * * 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 @@ -20,14 +23,18 @@ #include <linux/device.h> #include <linux/platform_device.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> static phys_addr_t immrbase = -1; @@ -42,7 +49,9 @@ phys_addr_t get_immrbase(void) if (soc) { unsigned int size; const void *prop = get_property(soc, "reg", &size); - immrbase = of_translate_address(soc, prop); + + if (prop) + immrbase = of_translate_address(soc, prop); of_node_put(soc); }; @@ -51,6 +60,59 @@ phys_addr_t get_immrbase(void) EXPORT_SYMBOL(get_immrbase); +#ifdef CONFIG_CPM2 + +static u32 brgfreq = -1; + +u32 get_brgfreq(void) +{ + struct device_node *node; + + if (brgfreq != -1) + return brgfreq; + + node = of_find_node_by_type(NULL, "cpm"); + if (node) { + unsigned int size; + const unsigned int *prop = get_property(node, "brg-frequency", + &size); + + if (prop) + 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) { + unsigned int size; + const unsigned int *prop = 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; @@ -85,8 +147,11 @@ static int __init gfar_mdio_of_init(void) mdio_data.irq[k] = -1; while ((child = of_get_next_child(np, child)) != NULL) { - const u32 *id = get_property(child, "reg", NULL); - mdio_data.irq[*id] = irq_of_parse_and_map(child, 0); + int irq = irq_of_parse_and_map(child, 0); + if (irq != NO_IRQ) { + const u32 *id = get_property(child, "reg", NULL); + mdio_data.irq[*id] = irq; + } } ret = @@ -128,7 +193,7 @@ static int __init gfar_of_init(void) const char *model; const void *mac_addr; const phandle *ph; - int n_res = 1; + int n_res = 2; memset(r, 0, sizeof(r)); memset(&gfar_data, 0, sizeof(gfar_data)); @@ -159,7 +224,7 @@ static int __init gfar_of_init(void) gfar_dev = platform_device_register_simple("fsl-gianfar", i, &r[0], - n_res + 1); + n_res); if (IS_ERR(gfar_dev)) { ret = PTR_ERR(gfar_dev); @@ -478,3 +543,196 @@ err: } arch_initcall(fsl_usb_of_init); + +#ifdef CONFIG_CPM2 + +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; + 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; + + r[3].start = r[3].end = irq_of_parse_and_map(np, 0); + r[3].flags = IORESOURCE_IRQ; + + 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 = get_property(np, "model", NULL); + if (model == NULL) { + ret = -ENODEV; + goto unreg; + } + + mac_addr = get_property(np, "mac-address", NULL); + memcpy(fs_enet_data.macaddr, mac_addr, 6); + + ph = get_property(np, "phy-handle", NULL); + phy = of_find_node_by_phandle(*ph); + + if (phy == NULL) { + ret = -ENODEV; + goto unreg; + } + + phy_addr = get_property(phy, "reg", NULL); + fs_enet_data.phy_addr = *phy_addr; + + id = get_property(np, "device-id", NULL); + fs_enet_data.fs_no = *id; + + 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; + } + + if (strstr(model, "FCC")) { + int fcc_index = fs_get_fcc_index(*id); + + fs_enet_data.dpram_offset = (u32)cpm2_immr->im_dprambase; + 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)]; + } + + 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; + + 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; + + 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-scc:uart", i, &r[0], 3); + + if (IS_ERR(cpm_uart_dev)) { + ret = PTR_ERR(cpm_uart_dev); + goto err; + } + + id = 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_uart_of_init); +#endif /* CONFIG_CPM2 */ diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h index c433d3f..25230ce 100644 --- a/arch/powerpc/sysdev/fsl_soc.h +++ b/arch/powerpc/sysdev/fsl_soc.h @@ -3,6 +3,8 @@ #ifdef __KERNEL__ extern phys_addr_t get_immrbase(void); +extern u32 get_brgfreq(void); +extern u32 get_baudrate(void); #endif #endif |