mirror of https://github.com/hak5/openwrt.git
158 lines
4.4 KiB
Diff
158 lines
4.4 KiB
Diff
From c291443dc97dadcf0c6afd04688a7d9f79a221b5 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
|
|
@@ -11,6 +11,7 @@ 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 +1,115 @@
|
|
+/*
|
|
+ * Copyright (C) 2011-2013 Daniel Schwierzeck, daniel.schwierzeck@gmail.com
|
|
+ *
|
|
+ * SPDX-License-Identifier: GPL-2.0+
|
|
+ */
|
|
+
|
|
+#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
|
|
@@ -20,6 +20,9 @@ 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
|
|
@@ -98,6 +98,7 @@ 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 */
|
|
|