diff options
Diffstat (limited to 'target/linux')
5 files changed, 134 insertions, 13 deletions
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h new file mode 100644 index 000000000..fd1f6eb19 --- /dev/null +++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h @@ -0,0 +1,18 @@ +/* + * Ralink RT305x SoC platform device registration + * + * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#ifndef _RT305X_ESW_PLATFORM_H +#define _RT305X_ESW_PLATFORM_H + +struct rt305x_esw_platform_data +{ +}; + +#endif /* _RT305X_ESW_PLATFORM_H */ diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c index 4ee0d4f1b..46bf460d9 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c @@ -1,7 +1,7 @@ /* * Ralink RT305x SoC platform device registration * - * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -130,10 +130,29 @@ static struct platform_device rt305x_eth_device = { } }; +static struct resource rt305x_esw_resources[] = { + { + .start = RT305X_SWITCH_BASE, + .end = RT305X_SWITCH_BASE + PAGE_SIZE - 1, + .flags = IORESOURCE_MEM, + }, +}; + +struct rt305x_esw_platform_data rt305x_esw_data; +static struct platform_device rt305x_esw_device = { + .name = "rt305x-esw", + .resource = rt305x_esw_resources, + .num_resources = ARRAY_SIZE(rt305x_esw_resources), + .dev = { + .platform_data = &rt305x_esw_data, + } +}; + void __init rt305x_register_ethernet(void) { ramips_eth_data.sys_freq = rt305x_sys_freq; + platform_device_register(&rt305x_esw_device); platform_device_register(&rt305x_eth_device); } diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.h b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.h index b731f8683..6a267116b 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.h +++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.h @@ -1,7 +1,7 @@ /* * Ralink RT305x SoC specific platform device definitions * - * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -11,8 +11,12 @@ #ifndef __RT305X_DEVICES_H #define __RT305X_DEVICES_H +#include <asm/mach-ralink/rt305x_esw_platform.h> + struct physmap_flash_data; +extern struct rt305x_esw_platform_data rt305x_esw_data; + extern void rt305x_register_flash(unsigned int id, struct physmap_flash_data *pdata) __init; extern void rt305x_register_ethernet(void) __init; diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c index 812507328..63570c791 100644 --- a/target/linux/ramips/files/drivers/net/ramips.c +++ b/target/linux/ramips/files/drivers/net/ramips.c @@ -33,6 +33,9 @@ #ifdef CONFIG_RALINK_RT305X #include "ramips_esw.c" +#else +static inline int rt305x_esw_init(void) { return 0; } +static inline void rt305x_esw_exit(void) { } #endif #define phys_to_bus(a) (a & 0x1FFFFFFF) @@ -507,9 +510,6 @@ ramips_eth_plat_probe(struct platform_device *plat) goto err_free_dev; } -#ifdef CONFIG_RALINK_RT305X - rt305x_esw_init(); -#endif printk(KERN_DEBUG "ramips_eth: loaded\n"); return 0; @@ -541,10 +541,23 @@ static struct platform_driver ramips_eth_driver = { static int __init ramips_eth_init(void) { - int ret = platform_driver_register(&ramips_eth_driver); + int ret; + + ret = rt305x_esw_init(); if (ret) + return ret; + + ret = platform_driver_register(&ramips_eth_driver); + if (ret) { printk(KERN_ERR "ramips_eth: Error registering platfom driver!\n"); + goto esw_cleanup; + } + + return 0; + +esw_cleanup: + rt305x_esw_exit(); return ret; } @@ -552,6 +565,7 @@ static void __exit ramips_eth_cleanup(void) { platform_driver_unregister(&ramips_eth_driver); + rt305x_esw_exit(); } module_init(ramips_eth_init); diff --git a/target/linux/ramips/files/drivers/net/ramips_esw.c b/target/linux/ramips/files/drivers/net/ramips_esw.c index e8041b48d..87479c654 100644 --- a/target/linux/ramips/files/drivers/net/ramips_esw.c +++ b/target/linux/ramips/files/drivers/net/ramips_esw.c @@ -1,5 +1,7 @@ -#include <rt305x.h> +#include <linux/ioport.h> + #include <rt305x_regs.h> +#include <rt305x_esw_platform.h> #define GPIO_PRUPOSE 0x60 #define GPIO_MDIO_BIT (1<<7) @@ -10,10 +12,9 @@ struct rt305x_esw { void __iomem *base; + struct rt305x_esw_platform_data *pdata; }; -static struct rt305x_esw rt305x_esw; - static inline void ramips_esw_wr(struct rt305x_esw *esw, u32 val, unsigned reg) { @@ -121,15 +122,80 @@ rt305x_esw_hw_init(struct rt305x_esw *esw) } static int -rt305x_esw_init(void) +rt305x_esw_probe(struct platform_device *pdev) { + struct rt305x_esw_platform_data *pdata; struct rt305x_esw *esw; + struct resource *res; + int err; + + pdata = pdev->dev.platform_data; + if (!pdata) + return -EINVAL; - esw = &rt305x_esw; - esw->base = ioremap_nocache(RT305X_SWITCH_BASE, PAGE_SIZE); - if(!esw->base) + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "no memory resource found\n"); return -ENOMEM; + } + + esw = kzalloc(sizeof (struct rt305x_esw), GFP_KERNEL); + if (!esw) { + dev_err(&pdev->dev, "no memory for private data\n"); + return -ENOMEM; + } + esw->base = ioremap(res->start, resource_size(res)); + if (!esw->base) { + dev_err(&pdev->dev, "ioremap failed\n"); + err = -ENOMEM; + goto free_esw; + } + + platform_set_drvdata(pdev, esw); + + esw->pdata = pdata; rt305x_esw_hw_init(esw); + return 0; + +free_esw: + kfree(esw); + return err; +} + +static int +rt305x_esw_remove(struct platform_device *pdev) +{ + struct rt305x_esw *esw; + + esw = platform_get_drvdata(pdev); + if (esw) { + platform_set_drvdata(pdev, NULL); + iounmap(esw->base); + kfree(esw); + } + + return 0; +} + +static struct platform_driver rt305x_esw_driver = { + .probe = rt305x_esw_probe, + .remove = rt305x_esw_remove, + .driver = { + .name = "rt305x-esw", + .owner = THIS_MODULE, + }, +}; + +static int __init +rt305x_esw_init(void) +{ + return platform_driver_register(&rt305x_esw_driver); +} + +static void __exit +rt305x_esw_exit(void) +{ + platform_driver_unregister(&rt305x_esw_driver); } |