uboot-lantiq: update to v2013.10

[openwrt/svn-archive/archive.git] / package / boot / uboot-lantiq / patches / 0012-net-switchlib-add-driver-for-Atheros-AR8216.patch

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 (file)
index 0000000..c270b88
--- /dev/null
+++ b/package/boot/uboot-lantiq/patches/0012-net-switchlib-add-driver-for-Atheros-AR8216.patch
@@ -0,0 +1,169 @@
+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>
+
+diff --git a/drivers/net/switch/Makefile b/drivers/net/switch/Makefile
+index 6b7eeb9..7400897 100644
+--- 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)
+diff --git a/drivers/net/switch/ar8216.c b/drivers/net/switch/ar8216.c
+new file mode 100644
+index 0000000..f1348f0
+--- /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);
++}
+diff --git a/drivers/net/switch/switch.c b/drivers/net/switch/switch.c
+index ea3fe9c..3e34a7f 100644
+--- 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();
+ }
+diff --git a/include/switch.h b/include/switch.h
+index 4b46df0..ae7b123 100644
+--- a/include/switch.h
++++ b/include/switch.h
+@@ -99,6 +99,7 @@ static inline void switch_setup(struct switch_device *dev)
+ /* 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 */
+ 
+-- 
+1.8.3.2
+