diff options
Diffstat (limited to 'package/boot/uboot-lantiq/patches/0021-net-switchlib-add-driver-for-Lantiq-ADM6996I-switch-.patch')
| -rw-r--r-- | package/boot/uboot-lantiq/patches/0021-net-switchlib-add-driver-for-Lantiq-ADM6996I-switch-.patch | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/package/boot/uboot-lantiq/patches/0021-net-switchlib-add-driver-for-Lantiq-ADM6996I-switch-.patch b/package/boot/uboot-lantiq/patches/0021-net-switchlib-add-driver-for-Lantiq-ADM6996I-switch-.patch new file mode 100644 index 0000000000..342fa46efd --- /dev/null +++ b/package/boot/uboot-lantiq/patches/0021-net-switchlib-add-driver-for-Lantiq-ADM6996I-switch-.patch @@ -0,0 +1,158 @@ +From fcbbb1beb2ae862f5c703c5719ed0e155cbbf82f Mon Sep 17 00:00:00 2001 +From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> +Date: Wed, 29 Aug 2012 22:08:16 +0200 +Subject: net: switchlib: add driver for Lantiq ADM6996I switch family + +Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> + +--- a/drivers/net/switch/Makefile ++++ b/drivers/net/switch/Makefile +@@ -12,6 +12,7 @@ LIB := $(obj)libswitch.o + + COBJS-$(CONFIG_SWITCH_MULTI) += switch.o + COBJS-$(CONFIG_SWITCH_PSB697X) += psb697x.o ++COBJS-$(CONFIG_SWITCH_ADM6996I) += adm6996i.o + + COBJS := $(COBJS-y) + SRCS := $(COBJS:.o=.c) +--- /dev/null ++++ b/drivers/net/switch/adm6996i.c +@@ -0,0 +1,116 @@ ++/* ++ * 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 <malloc.h> ++#include <switch.h> ++#include <miiphy.h> ++ ++#define ADM6996I_CHIPID0 0x1020 ++#define ADM6996I_CHIPID1 0x0007 ++#define ADM6996I_PORT_COUNT 6 ++ ++#define ADM6996I_REG_P0BC 0x001 /* P0 Basic Control */ ++#define ADM6996I_REG_P1BC 0x003 /* P1 Basic Control */ ++#define ADM6996I_REG_P2BC 0x005 /* P2 Basic Control */ ++#define ADM6996I_REG_P3BC 0x007 /* P3 Basic Control */ ++#define ADM6996I_REG_P4BC 0x008 /* P4 Basic Control */ ++#define ADM6996I_REG_P5BC 0x009 /* P5 Basic Control */ ++ ++#define ADM6996I_REG_P0EC 0x002 /* P0 Extended Control */ ++#define ADM6996I_REG_P1EC 0x002 /* P1 Extended Control */ ++#define ADM6996I_REG_P2EC 0x004 /* P2 Extended Control */ ++#define ADM6996I_REG_P3EC 0x004 /* P3 Extended Control */ ++#define ADM6996I_REG_P4EC 0x006 /* P4 Extended Control */ ++#define ADM6996I_REG_P5EC 0x006 /* P5 Extended Control */ ++ ++#define ADM6996I_REG_SC4 0x012 /* System Control 4 */ ++ ++#define ADM6996I_REG_CI0 0xA0 /* Chip Identifier 0 */ ++#define ADM6996I_REG_CI1 0xA1 /* Chip Identifier 1 */ ++ ++#define ADM6996I_REG_PXBC_DEFAULT 0x040F ++#define ADM6996I_REG_PXBC_CROSS_EE (1 << 15) ++#define ADM6996I_REG_PXBC_PD (1 << 5) ++ ++#define ADM6996I_REG_SC4_DEFAULT 0x3600 ++#define ADM6996I_REG_SC4_LED_ENABLE (1 << 1) ++ ++#define ADM6996I_REG_CI0_PC_MASK 0xFFF0 ++#define ADM6996I_REG_CI0_VN_MASK 0xF ++#define ADM6996I_REG_CI1_PC_MASK 0xF ++ ++ ++static inline int adm6996i_mii_read(struct mii_dev *bus, u16 reg) ++{ ++ int ret; ++ ++ ret = bus->read(bus, (reg >> 5) & 0x1f, MDIO_DEVAD_NONE, reg & 0x1f); ++ ++ return ret; ++} ++ ++static inline int adm6996i_mii_write(struct mii_dev *bus, u16 reg, u16 val) ++{ ++ int ret; ++ ++ ret = bus->write(bus, (reg >> 5) & 0x1f, MDIO_DEVAD_NONE, ++ reg & 0x1f, val); ++ ++ return ret; ++} ++ ++static int adm6996i_probe(struct switch_device *dev) ++{ ++ struct mii_dev *bus = dev->bus; ++ u16 ci0, ci1; ++ ++ ci0 = adm6996i_mii_read(bus, ADM6996I_REG_CI0); ++ ci1 = adm6996i_mii_read(bus, ADM6996I_REG_CI1); ++ ++ ci0 &= ADM6996I_REG_CI0_PC_MASK; ++ ci1 &= ADM6996I_REG_CI1_PC_MASK; ++ ++ if (ci0 == ADM6996I_CHIPID0 && ci1 == ADM6996I_CHIPID1) ++ return 0; ++ ++ return 1; ++} ++ ++static void adm6996i_setup(struct switch_device *dev) ++{ ++ struct mii_dev *bus = dev->bus; ++ u16 val; ++ ++ /* ++ * Write default values (Port enable, 100 Mbps, Full Duplex, ++ * Auto negotiation, Flow control) and enable crossover auto-detect ++ */ ++ val = ADM6996I_REG_PXBC_DEFAULT | ADM6996I_REG_PXBC_CROSS_EE; ++ adm6996i_mii_write(bus, ADM6996I_REG_P0BC, val); ++ adm6996i_mii_write(bus, ADM6996I_REG_P1BC, val); ++ adm6996i_mii_write(bus, ADM6996I_REG_P2BC, val); ++ adm6996i_mii_write(bus, ADM6996I_REG_P3BC, val); ++ adm6996i_mii_write(bus, ADM6996I_REG_P4BC, val); ++ adm6996i_mii_write(bus, ADM6996I_REG_P5BC, val); ++ ++ val = ADM6996I_REG_SC4_DEFAULT | ADM6996I_REG_SC4_LED_ENABLE; ++ adm6996i_mii_write(bus, ADM6996I_REG_SC4, val); ++} ++ ++static struct switch_driver adm6996i_drv = { ++ .name = "adm6996i", ++}; ++ ++void switch_adm6996i_init(void) ++{ ++ /* For archs with manual relocation */ ++ adm6996i_drv.probe = adm6996i_probe; ++ adm6996i_drv.setup = adm6996i_setup; ++ ++ switch_driver_register(&adm6996i_drv); ++} +--- a/drivers/net/switch/switch.c ++++ b/drivers/net/switch/switch.c +@@ -21,6 +21,9 @@ void switch_init(void) + #if defined(CONFIG_SWITCH_PSB697X) + switch_psb697x_init(); + #endif ++#if defined(CONFIG_SWITCH_ADM6996I) ++ switch_adm6996i_init(); ++#endif + + board_switch_init(); + } +--- a/include/switch.h ++++ b/include/switch.h +@@ -91,6 +91,7 @@ static inline void switch_setup(struct s + + /* Init functions for supported Switch drivers */ + extern void switch_psb697x_init(void); ++extern void switch_adm6996i_init(void); + + #endif /* __SWITCH_H */ + |