diff options
Diffstat (limited to 'package/boot/uboot-lantiq/patches/0012-net-switchlib-add-driver-for-Atheros-AR8216.patch')
| -rw-r--r-- | package/boot/uboot-lantiq/patches/0012-net-switchlib-add-driver-for-Atheros-AR8216.patch | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/package/boot/uboot-lantiq/patches/0012-net-switchlib-add-driver-for-Atheros-AR8216.patch b/package/boot/uboot-lantiq/patches/0012-net-switchlib-add-driver-for-Atheros-AR8216.patch new file mode 100644 index 0000000..568f9ad --- /dev/null +++ b/package/boot/uboot-lantiq/patches/0012-net-switchlib-add-driver-for-Atheros-AR8216.patch @@ -0,0 +1,157 @@ +From 1a1d61a2faf0390033a3766559ce0e758e15894e Mon Sep 17 00:00:00 2001 +From: Luka Perkov <openwrt@lukaperkov.net> +Date: Wed, 29 Aug 2012 22:08:16 +0200 +Subject: net: switchlib: add driver for Atheros AR8216 + +Signed-off-by: Luka Perkov <openwrt@lukaperkov.net> +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-$(CONFIG_SWITCH_AR8216) += ar8216.o + + COBJS := $(COBJS-y) + SRCS := $(COBJS:.o=.c) +--- /dev/null ++++ b/drivers/net/switch/ar8216.c +@@ -0,0 +1,114 @@ ++/* ++ * Copyright (C) 2012 Luka Perkov <luka@openwrt.org> ++ * ++ * SPDX-License-Identifier: GPL-2.0+ ++ */ ++ ++#include <common.h> ++#include <malloc.h> ++#include <miiphy.h> ++#include <switch.h> ++#include <netdev.h> ++ ++#define BITS(_s, _n) (((1UL << (_n)) - 1) << _s) ++ ++#define AR8216_REG_CTRL 0x0000 ++#define AR8216_CTRL_REVISION BITS(0, 8) ++#define AR8216_CTRL_VERSION BITS(8, 8) ++ ++#define AR8216_PROBE_RETRIES 10 ++ ++static void split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page) ++{ ++ regaddr >>= 1; ++ *r1 = regaddr & 0x1e; ++ ++ regaddr >>= 5; ++ *r2 = regaddr & 0x7; ++ ++ regaddr >>= 3; ++ *page = regaddr & 0x1ff; ++} ++ ++static int ar8216_mii_read(struct mii_dev *bus, u32 reg) ++{ ++ u16 r1, r2, page; ++ u16 lo, hi; ++ ++ split_addr(reg, &r1, &r2, &page); ++ ++ bus->write(bus, 0x18, MDIO_DEVAD_NONE, 0, page); ++ __udelay(1000); ++ ++ lo = bus->read(bus, 0x10 | r2, MDIO_DEVAD_NONE, r1); ++ hi = bus->read(bus, 0x10 | r2, MDIO_DEVAD_NONE, r1 + 1); ++ ++ return (hi << 16) | lo; ++} ++ ++static void ar8216_mii_write(struct mii_dev *bus, u16 reg, u32 val) ++{ ++ u16 r1, r2, r3; ++ u16 lo, hi; ++ ++ split_addr((u32) reg, &r1, &r2, &r3); ++ ++ bus->write(bus, 0x18, MDIO_DEVAD_NONE, 0, r3); ++ __udelay(1000); ++ ++ lo = val & 0xffff; ++ hi = (u16) (val >> 16); ++ bus->write(bus, 0x10 | r2, MDIO_DEVAD_NONE, r1 + 1, hi); ++ bus->write(bus, 0x10 | r2, MDIO_DEVAD_NONE, r1, lo); ++} ++ ++static int ar8216_probe(struct switch_device *dev) ++{ ++ struct mii_dev *bus = dev->bus; ++ u32 val; ++ u16 id; ++ ++ val = ar8216_mii_read(bus, AR8216_REG_CTRL); ++ if (val == ~0) ++ return 1; ++ ++ id = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION); ++ ++ switch (id) { ++ case 0x0101: ++ return 0; ++ default: ++ return 1; ++ } ++} ++ ++static void ar8216_setup(struct switch_device *dev) ++{ ++ struct mii_dev *bus = dev->bus; ++ ++ ar8216_mii_write(bus, 0x200, 0x200); ++ ar8216_mii_write(bus, 0x300, 0x200); ++ ar8216_mii_write(bus, 0x400, 0x200); ++ ar8216_mii_write(bus, 0x500, 0x200); ++ ar8216_mii_write(bus, 0x600, 0x7d); ++ ar8216_mii_write(bus, 0x38, 0xc000050e); ++ ar8216_mii_write(bus, 0x104, 0x4004); ++ ar8216_mii_write(bus, 0x60, 0xffffffff); ++ ar8216_mii_write(bus, 0x64, 0xaaaaaaaa); ++ ar8216_mii_write(bus, 0x68, 0x55555555); ++ ar8216_mii_write(bus, 0x6c, 0x0); ++ ar8216_mii_write(bus, 0x70, 0x41af); ++} ++ ++static struct switch_driver ar8216_drv = { ++ .name = "ar8216", ++}; ++ ++void switch_ar8216_init(void) ++{ ++ /* for archs with manual relocation */ ++ ar8216_drv.probe = ar8216_probe; ++ ar8216_drv.setup = ar8216_setup; ++ ++ switch_driver_register(&ar8216_drv); ++} +--- a/drivers/net/switch/switch.c ++++ b/drivers/net/switch/switch.c +@@ -23,6 +23,9 @@ void switch_init(void) + #if defined(CONFIG_SWITCH_ADM6996I) + switch_adm6996i_init(); + #endif ++#if defined(CONFIG_SWITCH_AR8216) ++ switch_ar8216_init(); ++#endif + + board_switch_init(); + } +--- a/include/switch.h ++++ b/include/switch.h +@@ -99,6 +99,7 @@ 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); ++extern void switch_ar8216_init(void); + + #endif /* __SWITCH_H */ + |