* [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller
@ 2017-05-02 20:59 David.Cai
2017-05-02 21:38 ` Andrew Lunn
2017-05-03 13:41 ` David Miller
0 siblings, 2 replies; 4+ messages in thread
From: David.Cai @ 2017-05-02 20:59 UTC (permalink / raw)
To: netdev, davem; +Cc: UNGLinuxDriver, steve.glendinning
From: David Cai <david.cai@microchip.com>
Adding support for Microchip LAN9250 Ethernet controller.
Signed-off-by: David Cai <david.cai@microchip.com>
---
Changes
V2
- email format changed
- remove unnecessary text in commit log Changes
V3
- defined all supported Ethernet controller chip ID.
V4
- changed 'if (pdata->generation == 4 && pdata->sub_generation)' to
'if ((pdata->idrev & 0xFFFF0000) == LAN9250)' for more readable
V5
- removed the variable 'sub_generation'.
V6
- correct email format error.
drivers/net/ethernet/smsc/smsc911x.c | 49 ++++++++++++++++++++++--------------
drivers/net/ethernet/smsc/smsc911x.h | 19 ++++++++++++++
2 files changed, 49 insertions(+), 19 deletions(-)
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index fa5ca09..ea1bbc3 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -25,7 +25,7 @@
* LAN9215, LAN9216, LAN9217, LAN9218
* LAN9210, LAN9211
* LAN9220, LAN9221
- * LAN89218
+ * LAN89218,LAN9250
*
*/
@@ -1450,6 +1450,8 @@ static int smsc911x_soft_reset(struct smsc911x_data *pdata)
unsigned int timeout;
unsigned int temp;
int ret;
+ unsigned int reset_offset = HW_CFG;
+ unsigned int reset_mask = HW_CFG_SRST_;
/*
* Make sure to power-up the PHY chip before doing a reset, otherwise
@@ -1476,15 +1478,23 @@ static int smsc911x_soft_reset(struct smsc911x_data *pdata)
}
}
+ if ((pdata->idrev & 0xFFFF0000) == LAN9250) {
+ /* special reset for LAN9250 */
+ reset_offset = RESET_CTL;
+ reset_mask = RESET_CTL_DIGITAL_RST_;
+ }
+
/* Reset the LAN911x */
- smsc911x_reg_write(pdata, HW_CFG, HW_CFG_SRST_);
+ smsc911x_reg_write(pdata, reset_offset, reset_mask);
+
+ /* verify reset bit is cleared */
timeout = 10;
do {
udelay(10);
- temp = smsc911x_reg_read(pdata, HW_CFG);
- } while ((--timeout) && (temp & HW_CFG_SRST_));
+ temp = smsc911x_reg_read(pdata, reset_offset);
+ } while ((--timeout) && (temp & reset_mask));
- if (unlikely(temp & HW_CFG_SRST_)) {
+ if (unlikely(temp & reset_mask)) {
SMSC_WARN(pdata, drv, "Failed to complete reset");
return -EIO;
}
@@ -2253,28 +2263,29 @@ static int smsc911x_init(struct net_device *dev)
pdata->idrev = smsc911x_reg_read(pdata, ID_REV);
switch (pdata->idrev & 0xFFFF0000) {
- case 0x01180000:
- case 0x01170000:
- case 0x01160000:
- case 0x01150000:
- case 0x218A0000:
+ case LAN9118:
+ case LAN9117:
+ case LAN9116:
+ case LAN9115:
+ case LAN89218:
/* LAN911[5678] family */
pdata->generation = pdata->idrev & 0x0000FFFF;
break;
- case 0x118A0000:
- case 0x117A0000:
- case 0x116A0000:
- case 0x115A0000:
+ case LAN9218:
+ case LAN9217:
+ case LAN9216:
+ case LAN9215:
/* LAN921[5678] family */
pdata->generation = 3;
break;
- case 0x92100000:
- case 0x92110000:
- case 0x92200000:
- case 0x92210000:
- /* LAN9210/LAN9211/LAN9220/LAN9221 */
+ case LAN9210:
+ case LAN9211:
+ case LAN9220:
+ case LAN9221:
+ case LAN9250:
+ /* LAN9210/LAN9211/LAN9220/LAN9221/LAN9250 */
pdata->generation = 4;
break;
diff --git a/drivers/net/ethernet/smsc/smsc911x.h b/drivers/net/ethernet/smsc/smsc911x.h
index 54d6489..8d75508 100644
--- a/drivers/net/ethernet/smsc/smsc911x.h
+++ b/drivers/net/ethernet/smsc/smsc911x.h
@@ -20,6 +20,22 @@
#ifndef __SMSC911X_H__
#define __SMSC911X_H__
+/*Chip ID*/
+#define LAN9115 0x01150000
+#define LAN9116 0x01160000
+#define LAN9117 0x01170000
+#define LAN9118 0x01180000
+#define LAN9215 0x115A0000
+#define LAN9216 0x116A0000
+#define LAN9217 0x117A0000
+#define LAN9218 0x118A0000
+#define LAN9210 0x92100000
+#define LAN9211 0x92110000
+#define LAN9220 0x92200000
+#define LAN9221 0x92210000
+#define LAN9250 0x92500000
+#define LAN89218 0x218A0000
+
#define TX_FIFO_LOW_THRESHOLD ((u32)1600)
#define SMSC911X_EEPROM_SIZE ((u32)128)
#define USE_DEBUG 0
@@ -303,6 +319,9 @@
#define E2P_DATA_EEPROM_DATA_ 0x000000FF
#define LAN_REGISTER_EXTENT 0x00000100
+#define RESET_CTL 0x1F8
+#define RESET_CTL_DIGITAL_RST_ 0x00000001
+
/*
* MAC Control and Status Register (Indirect Address)
* Offset (through the MAC_CSR CMD and DATA port)
--
2.7.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller
2017-05-02 20:59 [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller David.Cai
@ 2017-05-02 21:38 ` Andrew Lunn
2017-05-02 21:47 ` David.Cai
2017-05-03 13:41 ` David Miller
1 sibling, 1 reply; 4+ messages in thread
From: Andrew Lunn @ 2017-05-02 21:38 UTC (permalink / raw)
To: David.Cai; +Cc: netdev, davem, UNGLinuxDriver, steve.glendinning
On Tue, May 02, 2017 at 08:59:14PM +0000, David.Cai@microchip.com wrote:
> From: David Cai <david.cai@microchip.com>
>
> Adding support for Microchip LAN9250 Ethernet controller.
>
> Signed-off-by: David Cai <david.cai@microchip.com>
Hi David
FYI: It is normal to add here any Reviewed-by: or Tested-by, etc you
received from previous versions of the patch, so long as you don't
make major changes.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller
2017-05-02 21:38 ` Andrew Lunn
@ 2017-05-02 21:47 ` David.Cai
0 siblings, 0 replies; 4+ messages in thread
From: David.Cai @ 2017-05-02 21:47 UTC (permalink / raw)
To: andrew; +Cc: netdev, davem, UNGLinuxDriver, steve.glendinning
Andrew:
Got it, Thanks!
David Cai
-----Original Message-----
From: Andrew Lunn [mailto:andrew@lunn.ch]
Sent: Tuesday, May 02, 2017 2:39 PM
To: David Cai - C24226
Cc: netdev@vger.kernel.org; davem@davemloft.net; UNGLinuxDriver; steve.glendinning@shawell.net
Subject: Re: [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller
On Tue, May 02, 2017 at 08:59:14PM +0000, David.Cai@microchip.com wrote:
> From: David Cai <david.cai@microchip.com>
>
> Adding support for Microchip LAN9250 Ethernet controller.
>
> Signed-off-by: David Cai <david.cai@microchip.com>
Hi David
FYI: It is normal to add here any Reviewed-by: or Tested-by, etc you
received from previous versions of the patch, so long as you don't
make major changes.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller
2017-05-02 20:59 [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller David.Cai
2017-05-02 21:38 ` Andrew Lunn
@ 2017-05-03 13:41 ` David Miller
1 sibling, 0 replies; 4+ messages in thread
From: David Miller @ 2017-05-03 13:41 UTC (permalink / raw)
To: David.Cai; +Cc: netdev, UNGLinuxDriver, steve.glendinning
From: <David.Cai@microchip.com>
Date: Tue, 2 May 2017 20:59:14 +0000
> From: David Cai <david.cai@microchip.com>
>
> Adding support for Microchip LAN9250 Ethernet controller.
>
> Signed-off-by: David Cai <david.cai@microchip.com>
Applied.
Please fix the "From: " field of your outgoing patch emails in the future,
and please do not top-post as you did in your reply to Andrew.
Thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2017-05-02 20:59 [PATCH v6 net-next]smsc911x: Adding support for Micochip LAN9250 Ethernet controller David.Cai
2017-05-02 21:38 ` Andrew Lunn
2017-05-02 21:47 ` David.Cai
2017-05-03 13:41 ` David Miller
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