From 4c7810c58f7812ece04215371081982a08276f53 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Thu, 2 Aug 2012 09:54:21 +0000 Subject: [PATCH] generic: rtl836x: add hw_reset field to struct rtl8366_smi It will be used to start/stop the switch if that is supported by the given board. SVN-Revision: 32943 --- .../files/drivers/net/phy/rtl8366_smi.c | 27 +++++++++++++++++-- .../files/drivers/net/phy/rtl8366_smi.h | 1 + .../generic/files/drivers/net/phy/rtl8366rb.c | 2 ++ .../generic/files/drivers/net/phy/rtl8366s.c | 2 ++ .../generic/files/drivers/net/phy/rtl8367.c | 2 ++ .../generic/files/include/linux/rtl8366.h | 2 ++ .../generic/files/include/linux/rtl8367.h | 1 + 7 files changed, 35 insertions(+), 2 deletions(-) diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c index 1288db1982..9903269390 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c @@ -308,6 +308,19 @@ int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data) } EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr); +static int rtl8366_reset(struct rtl8366_smi *smi) +{ + if (smi->hw_reset) { + smi->hw_reset(true); + msleep(25); + smi->hw_reset(false); + msleep(25); + return 0; + } + + return smi->ops->reset_chip(smi); +} + static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used) { int err; @@ -938,7 +951,7 @@ int rtl8366_sw_reset_switch(struct switch_dev *dev) struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); int err; - err = smi->ops->reset_chip(smi); + err = rtl8366_reset(smi); if (err) return err; @@ -1227,6 +1240,13 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name) } spin_lock_init(&smi->lock); + + /* start the switch */ + if (smi->hw_reset) { + smi->hw_reset(false); + msleep(25); + } + return 0; err_free_sda: @@ -1237,6 +1257,9 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name) static void __rtl8366_smi_cleanup(struct rtl8366_smi *smi) { + if (smi->hw_reset) + smi->hw_reset(true); + gpio_free(smi->gpio_sck); gpio_free(smi->gpio_sda); } @@ -1300,7 +1323,7 @@ int rtl8366_smi_init(struct rtl8366_smi *smi) goto err_free_sck; } - err = smi->ops->reset_chip(smi); + err = rtl8366_reset(smi); if (err) goto err_free_sck; diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h index ea5e6dbd6c..700f83c1a5 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h +++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h @@ -32,6 +32,7 @@ struct rtl8366_smi { struct device *parent; unsigned int gpio_sda; unsigned int gpio_sck; + void (*hw_reset)(bool active); unsigned int clk_delay; /* ns */ u8 cmd_read; u8 cmd_write; diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c index 3901602f93..775949792d 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c @@ -1194,6 +1194,8 @@ static int __devinit rtl8366rb_probe(struct platform_device *pdev) smi->gpio_sda = pdata->gpio_sda; smi->gpio_sck = pdata->gpio_sck; + smi->hw_reset = pdata->hw_reset; + smi->clk_delay = 10; smi->cmd_read = 0xa9; smi->cmd_write = 0xa8; diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366s.c b/target/linux/generic/files/drivers/net/phy/rtl8366s.c index 21f743926a..77427d6c9e 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8366s.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8366s.c @@ -1074,6 +1074,8 @@ static int __devinit rtl8366s_probe(struct platform_device *pdev) smi->gpio_sda = pdata->gpio_sda; smi->gpio_sck = pdata->gpio_sck; + smi->hw_reset = pdata->hw_reset; + smi->clk_delay = 10; smi->cmd_read = 0xa9; smi->cmd_write = 0xa8; diff --git a/target/linux/generic/files/drivers/net/phy/rtl8367.c b/target/linux/generic/files/drivers/net/phy/rtl8367.c index 4f2ba6327b..ee2a047013 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8367.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8367.c @@ -1692,6 +1692,8 @@ static int __devinit rtl8367_probe(struct platform_device *pdev) smi->gpio_sda = pdata->gpio_sda; smi->gpio_sck = pdata->gpio_sck; + smi->hw_reset = pdata->hw_reset; + smi->clk_delay = 1500; smi->cmd_read = 0xb9; smi->cmd_write = 0xb8; diff --git a/target/linux/generic/files/include/linux/rtl8366.h b/target/linux/generic/files/include/linux/rtl8366.h index 22ce614d40..78daed2205 100644 --- a/target/linux/generic/files/include/linux/rtl8366.h +++ b/target/linux/generic/files/include/linux/rtl8366.h @@ -29,6 +29,8 @@ struct rtl8366_initval { struct rtl8366_platform_data { unsigned gpio_sda; unsigned gpio_sck; + void (*hw_reset)(bool active); + unsigned num_initvals; struct rtl8366_initval *initvals; }; diff --git a/target/linux/generic/files/include/linux/rtl8367.h b/target/linux/generic/files/include/linux/rtl8367.h index aab553e229..470c5f3812 100644 --- a/target/linux/generic/files/include/linux/rtl8367.h +++ b/target/linux/generic/files/include/linux/rtl8367.h @@ -50,6 +50,7 @@ struct rtl8367_extif_config { struct rtl8367_platform_data { unsigned gpio_sda; unsigned gpio_sck; + void (*hw_reset)(bool active); struct rtl8367_extif_config *extif0_cfg; struct rtl8367_extif_config *extif1_cfg; -- 2.30.2