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Message-Id: <1514956529-3021-1-git-send-email-sbaddipa@broadcom.com>
Date: Wed, 3 Jan 2018 10:45:29 +0530
From: Satish Baddipadige <satish.baddipadige@...adcom.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, michael.chan@...adcom.com,
prashant@...adcom.com, siva.kallam@...adcom.com,
Prashant Sreedharan <prashant.sreedharan@...adcom.com>,
Satish Baddipadige <satish.baddipadige@...adcom.com>
Subject: [PATCH net-next] tg3: Add Macronix NVRAM support
From: Prashant Sreedharan <prashant.sreedharan@...adcom.com>
This patch adds the support for Macronix NVRAM
Signed-off-by: Prashant Sreedharan <prashant.sreedharan@...adcom.com>
Signed-off-by: Satish Baddipadige <satish.baddipadige@...adcom.com>
Reviewed-by: Michael Chan <michael.chan@...adcom.com>
---
drivers/net/ethernet/broadcom/tg3.c | 21 +++++++++++++++++++--
drivers/net/ethernet/broadcom/tg3.h | 14 ++++++++++++--
2 files changed, 31 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index d09c5a9..93b23f7 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -3225,7 +3225,7 @@ 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)
{
@@ -14776,7 +14776,7 @@ 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;
@@ -14788,6 +14788,23 @@ 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 c2d02d0..9f80f5d 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -1858,7 +1858,7 @@
#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
@@ -1940,6 +1940,11 @@
#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
@@ -2004,7 +2009,11 @@
/* 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
@@ -3373,6 +3382,7 @@ 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)
--
2.1.0
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