[TG3]: Add new 5761 NVRAM decode routines

This patch adds a new 5761-specific NVRAM strapping decode routine.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 102 insertions, 2 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 1e0c9e0dc394..3200c9c5ff5e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9581,6 +9581,81 @@ static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
         }
 }
 
+static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
+{
+        u32 nvcfg1, protect = 0;
+
+        nvcfg1 = tr32(NVRAM_CFG1);
+
+        /* NVRAM protection for TPM */
+        if (nvcfg1 & (1 << 27)) {
+                tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+                protect = 1;
+        }
+
+        nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
+        switch (nvcfg1) {
+                case FLASH_5761VENDOR_ATMEL_ADB021D:
+                case FLASH_5761VENDOR_ATMEL_ADB041D:
+                case FLASH_5761VENDOR_ATMEL_ADB081D:
+                case FLASH_5761VENDOR_ATMEL_ADB161D:
+                case FLASH_5761VENDOR_ATMEL_MDB021D:
+                case FLASH_5761VENDOR_ATMEL_MDB041D:
+                case FLASH_5761VENDOR_ATMEL_MDB081D:
+                case FLASH_5761VENDOR_ATMEL_MDB161D:
+                        tp->nvram_jedecnum = JEDEC_ATMEL;
+                        tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                        tp->tg3_flags2 |= TG3_FLG2_FLASH;
+                        tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
+                        tp->nvram_pagesize = 256;
+                        break;
+                case FLASH_5761VENDOR_ST_A_M45PE20:
+                case FLASH_5761VENDOR_ST_A_M45PE40:
+                case FLASH_5761VENDOR_ST_A_M45PE80:
+                case FLASH_5761VENDOR_ST_A_M45PE16:
+                case FLASH_5761VENDOR_ST_M_M45PE20:
+                case FLASH_5761VENDOR_ST_M_M45PE40:
+                case FLASH_5761VENDOR_ST_M_M45PE80:
+                case FLASH_5761VENDOR_ST_M_M45PE16:
+                        tp->nvram_jedecnum = JEDEC_ST;
+                        tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+                        tp->tg3_flags2 |= TG3_FLG2_FLASH;
+                        tp->nvram_pagesize = 256;
+                        break;
+        }
+
+        if (protect) {
+                tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
+        } else {
+                switch (nvcfg1) {
+                        case FLASH_5761VENDOR_ATMEL_ADB161D:
+                        case FLASH_5761VENDOR_ATMEL_MDB161D:
+                        case FLASH_5761VENDOR_ST_A_M45PE16:
+                        case FLASH_5761VENDOR_ST_M_M45PE16:
+                                tp->nvram_size = 0x100000;
+                                break;
+                        case FLASH_5761VENDOR_ATMEL_ADB081D:
+                        case FLASH_5761VENDOR_ATMEL_MDB081D:
+                        case FLASH_5761VENDOR_ST_A_M45PE80:
+                        case FLASH_5761VENDOR_ST_M_M45PE80:
+                                tp->nvram_size = 0x80000;
+                                break;
+                        case FLASH_5761VENDOR_ATMEL_ADB041D:
+                        case FLASH_5761VENDOR_ATMEL_MDB041D:
+                        case FLASH_5761VENDOR_ST_A_M45PE40:
+                        case FLASH_5761VENDOR_ST_M_M45PE40:
+                                tp->nvram_size = 0x40000;
+                                break;
+                        case FLASH_5761VENDOR_ATMEL_ADB021D:
+                        case FLASH_5761VENDOR_ATMEL_MDB021D:
+                        case FLASH_5761VENDOR_ST_A_M45PE20:
+                        case FLASH_5761VENDOR_ST_M_M45PE20:
+                                tp->nvram_size = 0x20000;
+                                break;
+                }
+        }
+}
+
 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
 {
         tp->nvram_jedecnum = JEDEC_ATMEL;
@@ -9623,6 +9698,8 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
                         tg3_get_5787_nvram_info(tp);
+                else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
+                        tg3_get_5761_nvram_info(tp);
                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
                         tg3_get_5906_nvram_info(tp);
                 else
@@ -9700,6 +9777,7 @@ static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
+           !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
             (tp->nvram_jedecnum == JEDEC_ATMEL))
 
                 addr = ((addr / tp->nvram_pagesize) <<
@@ -9714,6 +9792,7 @@ static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
+           !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
             (tp->nvram_jedecnum == JEDEC_ATMEL))
 
                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index d8e829f6fcb2..88d08f3ede03 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -124,6 +124,7 @@
 #define   ASIC_REV_5906                  0x0c
 #define   ASIC_REV_USE_PROD_ID_REG       0x0f
 #define   ASIC_REV_5784                  0x5784
+#define   ASIC_REV_5761                  0x5761
 #define  GET_CHIP_REV(CHIP_REV_ID)      ((CHIP_REV_ID) >> 8)
 #define   CHIPREV_5700_AX                0x70
 #define   CHIPREV_5700_BX                0x71
@@ -1463,6 +1464,22 @@
 #define  FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ    0x03000002
 #define  FLASH_5787VENDOR_MICRO_EEPROM_64KHZ     0x03000000
 #define  FLASH_5787VENDOR_MICRO_EEPROM_376KHZ    0x02000000
+#define  FLASH_5761VENDOR_ATMEL_MDB021D  0x00800003
+#define  FLASH_5761VENDOR_ATMEL_MDB041D  0x00800000
+#define  FLASH_5761VENDOR_ATMEL_MDB081D  0x00800002
+#define  FLASH_5761VENDOR_ATMEL_MDB161D  0x00800001
+#define  FLASH_5761VENDOR_ATMEL_ADB021D  0x00000003
+#define  FLASH_5761VENDOR_ATMEL_ADB041D  0x00000000
+#define  FLASH_5761VENDOR_ATMEL_ADB081D  0x00000002
+#define  FLASH_5761VENDOR_ATMEL_ADB161D  0x00000001
+#define  FLASH_5761VENDOR_ST_M_M45PE20   0x02800001
+#define  FLASH_5761VENDOR_ST_M_M45PE40   0x02800000
+#define  FLASH_5761VENDOR_ST_M_M45PE80   0x02800002
+#define  FLASH_5761VENDOR_ST_M_M45PE16   0x02800003
+#define  FLASH_5761VENDOR_ST_A_M45PE20   0x02000001
+#define  FLASH_5761VENDOR_ST_A_M45PE40   0x02000000
+#define  FLASH_5761VENDOR_ST_A_M45PE80   0x02000002
+#define  FLASH_5761VENDOR_ST_A_M45PE16   0x02000003
 #define  NVRAM_CFG1_5752PAGE_SIZE_MASK   0x70000000
 #define  FLASH_5752PAGE_SIZE_256         0x00000000
 #define  FLASH_5752PAGE_SIZE_512         0x10000000
@@ -1493,9 +1510,11 @@
 #define  ACCESS_ENABLE                   0x00000001
 #define  ACCESS_WR_ENABLE                0x00000002
 #define NVRAM_WRITE1                    0x00007028
-/* 0x702c --> 0x7400 unused */
+/* 0x702c unused */
+
+#define NVRAM_ADDR_LOCKOUT              0x00007030
+/* 0x7034 --> 0x7c00 unused */
 
-/* 0x7400 --> 0x7c00 unused */
 #define PCIE_TRANSACTION_CFG            0x00007c04
 #define PCIE_TRANS_CFG_1SHOT_MSI         0x20000000
 #define PCIE_TRANS_CFG_LOM               0x00000020
@@ -2269,6 +2288,8 @@ struct tg3 {
 #define TG3_FLG2_PHY_JITTER_BUG         0x20000000
 #define TG3_FLG2_NO_FWARE_REPORTED      0x40000000
 #define TG3_FLG2_PHY_ADJUST_TRIM        0x80000000
+        u32                             tg3_flags3;
+#define TG3_FLG3_NO_NVRAM_ADDR_TRANS    0x00000001
 
         struct timer_list               timer;
         u16                             timer_counter;