diff options
Diffstat (limited to 'package/boot/uboot-lantiq/patches/0019-net-switchlib-add-framework-for-ethernet-switch-driv.patch')
| -rw-r--r-- | package/boot/uboot-lantiq/patches/0019-net-switchlib-add-framework-for-ethernet-switch-driv.patch | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/package/boot/uboot-lantiq/patches/0019-net-switchlib-add-framework-for-ethernet-switch-driv.patch b/package/boot/uboot-lantiq/patches/0019-net-switchlib-add-framework-for-ethernet-switch-driv.patch new file mode 100644 index 0000000000..a215d1a0bf --- /dev/null +++ b/package/boot/uboot-lantiq/patches/0019-net-switchlib-add-framework-for-ethernet-switch-driv.patch @@ -0,0 +1,239 @@ +From d8b1597130d228bc7e2bafd0c8d097529018c833 Mon Sep 17 00:00:00 2001 +From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> +Date: Wed, 29 Aug 2012 22:08:15 +0200 +Subject: net: switchlib: add framework for ethernet switch drivers + +Add a generic framework similar to phylib for ethernet switch +drivers and devices. This is useful to share the init and +setup code for switch devices across different boards. + +Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> +Cc: Joe Hershberger <joe.hershberger@gmail.com> + +--- a/Makefile ++++ b/Makefile +@@ -291,6 +291,7 @@ LIBS-y += drivers/mtd/ubi/libubi.o + LIBS-y += drivers/mtd/spi/libspi_flash.o + LIBS-y += drivers/net/libnet.o + LIBS-y += drivers/net/phy/libphy.o ++LIBS-y += drivers/net/switch/libswitch.o + LIBS-y += drivers/pci/libpci.o + LIBS-y += drivers/pcmcia/libpcmcia.o + LIBS-y += drivers/power/libpower.o \ +--- /dev/null ++++ b/drivers/net/switch/Makefile +@@ -0,0 +1,31 @@ ++# ++# This file is released under the terms of GPL v2 and any later version. ++# See the file COPYING in the root directory of the source tree for details. ++# ++# Copyright (C) 2000-2011 Wolfgang Denk, DENX Software Engineering, wd@denx.de ++# Copyright (C) 2011-2012 Daniel Schwierzeck, daniel.schwierzeck@gmail.com ++# ++ ++include $(TOPDIR)/config.mk ++ ++LIB := $(obj)libswitch.o ++ ++COBJS-$(CONFIG_SWITCH_MULTI) += switch.o ++ ++COBJS := $(COBJS-y) ++SRCS := $(COBJS:.o=.c) ++OBJS := $(addprefix $(obj),$(COBJS)) ++ ++all: $(LIB) ++ ++$(LIB): $(obj).depend $(OBJS) ++ $(call cmd_link_o_target, $(OBJS)) ++ ++######################################################################### ++ ++# defines $(obj).depend target ++include $(SRCTREE)/rules.mk ++ ++sinclude $(obj).depend ++ ++######################################################################### +--- /dev/null ++++ b/drivers/net/switch/switch.c +@@ -0,0 +1,63 @@ ++/* ++ * Copyright (C) 2011-2012 Daniel Schwierzeck, daniel.schwierzeck@gmail.com ++ * ++ * This file is released under the terms of GPL v2 and any later version. ++ * See the file COPYING in the root directory of the source tree for details. ++ */ ++ ++#include <common.h> ++#include <netdev.h> ++#include <miiphy.h> ++#include <switch.h> ++ ++static struct list_head switch_drivers; ++static struct list_head switch_devices; ++ ++void switch_init(void) ++{ ++ INIT_LIST_HEAD(&switch_drivers); ++ INIT_LIST_HEAD(&switch_devices); ++ ++ board_switch_init(); ++} ++ ++void switch_driver_register(struct switch_driver *drv) ++{ ++ INIT_LIST_HEAD(&drv->list); ++ list_add_tail(&drv->list, &switch_drivers); ++} ++ ++int switch_device_register(struct switch_device *dev) ++{ ++ struct switch_driver *drv; ++ ++ /* Add switch device only, if an adequate driver is registered */ ++ list_for_each_entry(drv, &switch_drivers, list) { ++ if (!strcmp(drv->name, dev->name)) { ++ dev->drv = drv; ++ ++ INIT_LIST_HEAD(&dev->list); ++ list_add_tail(&dev->list, &switch_devices); ++ ++ return 0; ++ } ++ } ++ ++ return -1; ++} ++ ++struct switch_device *switch_connect(struct mii_dev *bus) ++{ ++ struct switch_device *sw; ++ int err; ++ ++ list_for_each_entry(sw, &switch_devices, list) { ++ sw->bus = bus; ++ ++ err = sw->drv->probe(sw); ++ if (!err) ++ return sw; ++ } ++ ++ return NULL; ++} +--- /dev/null ++++ b/include/switch.h +@@ -0,0 +1,95 @@ ++/* ++ * This file is released under the terms of GPL v2 and any later version. ++ * See the file COPYING in the root directory of the source tree for details. ++ * ++ * Copyright (C) 2011 Daniel Schwierzeck, daniel.schwierzeck@googlemail.com ++ */ ++ ++#ifndef __SWITCH_H ++#define __SWITCH_H ++ ++#include <linux/list.h> ++ ++#define SWITCH_NAME_SIZE 32 ++ ++struct switch_device; ++struct mii_dev; ++ ++struct switch_driver { ++ struct list_head list; ++ ++ /* Switch device name */ ++ const char name[SWITCH_NAME_SIZE]; ++ ++ /* ++ * Called to probe the switch chip. Must return 0 if the switch ++ * chip matches the given switch device/driver combination. Otherwise ++ * 1 must be returned. ++ */ ++ int (*probe) (struct switch_device *dev); ++ ++ /* ++ * Called to initialize the switch chip. ++ */ ++ void (*setup) (struct switch_device *dev); ++}; ++ ++struct switch_device { ++ struct list_head list; ++ struct switch_driver *drv; ++ ++ /* MII bus the switch chip is connected to */ ++ struct mii_dev *bus; ++ ++ /* Switch device name */ ++ const char name[SWITCH_NAME_SIZE]; ++ ++ /* Bitmask for board specific setup of used switch ports */ ++ u16 port_mask; ++ ++ /* Number of switch port that is connected to host CPU */ ++ u16 cpu_port; ++}; ++ ++/* ++ * Board specific switch initialization. ++ * ++ * Called from switch_init to register the board specific switch_device ++ * structure. ++ */ ++extern int board_switch_init(void); ++ ++/* Initialize switch subsystem */ ++#ifdef CONFIG_SWITCH_MULTI ++extern void switch_init(void); ++#else ++static inline void switch_init(void) ++{ ++} ++#endif ++ ++/* Register a switch driver */ ++extern void switch_driver_register(struct switch_driver *drv); ++ ++/* Register a switch device */ ++extern int switch_device_register(struct switch_device *dev); ++ ++/* ++ * Probe the available switch chips and connect the found one ++ * with the given MII bus ++ */ ++extern struct switch_device *switch_connect(struct mii_dev *bus); ++ ++/* ++ * Setup the given switch device ++ */ ++static inline void switch_setup(struct switch_device *dev) ++{ ++ if (dev->drv->setup) ++ dev->drv->setup(dev); ++} ++ ++/* Init functions for supported Switch drivers */ ++ ++#endif /* __SWITCH_H */ ++ +--- a/net/eth.c ++++ b/net/eth.c +@@ -26,6 +26,7 @@ + #include <net.h> + #include <miiphy.h> + #include <phy.h> ++#include <switch.h> + + void eth_parse_enetaddr(const char *addr, uchar *enetaddr) + { +@@ -303,6 +304,8 @@ int eth_initialize(bd_t *bis) + phy_init(); + #endif + ++ switch_init(); ++ + eth_env_init(bis); + + /* |