tg3: Add Macronix NVRAM support

This patch adds the support for Macronix NVRAM

Signed-off-by: Prashant Sreedharan <prashant.sreedharan@broadcom.com>
Signed-off-by: Satish Baddipadige <satish.baddipadige@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 8995cfe..a77ee2f 100644 (file)
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -3227,7 +3227,7 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
        return 0;
 }
 
-#define NVRAM_CMD_TIMEOUT 5000
+#define NVRAM_CMD_TIMEOUT 10000
 
 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
 {
@@ -14789,7 +14789,7 @@ static void tg3_get_5717_nvram_info(struct tg3 *tp)
 
 static void tg3_get_5720_nvram_info(struct tg3 *tp)
 {
-       u32 nvcfg1, nvmpinstrp;
+       u32 nvcfg1, nvmpinstrp, nv_status;
 
        nvcfg1 = tr32(NVRAM_CFG1);
        nvmpinstrp = nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK;
@@ -14801,6 +14801,23 @@ static void tg3_get_5720_nvram_info(struct tg3 *tp)
                }
 
                switch (nvmpinstrp) {
+               case FLASH_5762_MX25L_100:
+               case FLASH_5762_MX25L_200:
+               case FLASH_5762_MX25L_400:
+               case FLASH_5762_MX25L_800:
+               case FLASH_5762_MX25L_160_320:
+                       tp->nvram_pagesize = 4096;
+                       tp->nvram_jedecnum = JEDEC_MACRONIX;
+                       tg3_flag_set(tp, NVRAM_BUFFERED);
+                       tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
+                       tg3_flag_set(tp, FLASH);
+                       nv_status = tr32(NVRAM_AUTOSENSE_STATUS);
+                       tp->nvram_size =
+                               (1 << (nv_status >> AUTOSENSE_DEVID &
+                                               AUTOSENSE_DEVID_MASK)
+                                       << AUTOSENSE_SIZE_IN_MB);
+                       return;
+
                case FLASH_5762_EEPROM_HD:
                        nvmpinstrp = FLASH_5720_EEPROM_HD;
                        break;

diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 1f0271f..47f51cc 100644 (file)
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -1863,7 +1863,7 @@
 #define NVRAM_STAT                     0x00007004
 #define NVRAM_WRDATA                   0x00007008
 #define NVRAM_ADDR                     0x0000700c
-#define  NVRAM_ADDR_MSK                        0x00ffffff
+#define  NVRAM_ADDR_MSK                        0x07ffffff
 #define NVRAM_RDDATA                   0x00007010
 #define NVRAM_CFG1                     0x00007014
 #define  NVRAM_CFG1_FLASHIF_ENAB        0x00000001
@@ -1945,6 +1945,11 @@
 #define  FLASH_5720_EEPROM_LD           0x00000003
 #define  FLASH_5762_EEPROM_HD           0x02000001
 #define  FLASH_5762_EEPROM_LD           0x02000003
+#define  FLASH_5762_MX25L_100           0x00800000
+#define  FLASH_5762_MX25L_200           0x00800002
+#define  FLASH_5762_MX25L_400           0x00800001
+#define  FLASH_5762_MX25L_800           0x00800003
+#define  FLASH_5762_MX25L_160_320       0x03800002
 #define  FLASH_5720VENDOR_M_ATMEL_DB011D 0x01000000
 #define  FLASH_5720VENDOR_M_ATMEL_DB021D 0x01000002
 #define  FLASH_5720VENDOR_M_ATMEL_DB041D 0x01000001
@@ -2009,7 +2014,11 @@
 /* 0x702c unused */
 
 #define NVRAM_ADDR_LOCKOUT             0x00007030
-/* 0x7034 --> 0x7500 unused */
+#define NVRAM_AUTOSENSE_STATUS         0x00007038
+#define AUTOSENSE_DEVID                        0x00000010
+#define AUTOSENSE_DEVID_MASK           0x00000007
+#define AUTOSENSE_SIZE_IN_MB           17
+/* 0x703c --> 0x7500 unused */
 
 #define OTP_MODE                       0x00007500
 #define OTP_MODE_OTP_THRU_GRC           0x00000001
@@ -3378,6 +3387,7 @@ struct tg3 {
 #define JEDEC_ST                       0x20
 #define JEDEC_SAIFUN                   0x4f
 #define JEDEC_SST                      0xbf
+#define JEDEC_MACRONIX                 0xc2
 
 #define ATMEL_AT24C02_CHIP_SIZE                TG3_NVRAM_SIZE_2KB
 #define ATMEL_AT24C02_PAGE_SIZE                (8)