tg3: Add 5720 NVRAM decoding
The 5720 implements its own NVRAM pin strapping scheme. This patch adds
the required support.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 53a1209d..a079e74 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -11889,6 +11889,118 @@
tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
}
+static void __devinit tg3_get_5720_nvram_info(struct tg3 *tp)
+{
+ u32 nvcfg1, nvmpinstrp;
+
+ nvcfg1 = tr32(NVRAM_CFG1);
+ nvmpinstrp = nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK;
+
+ switch (nvmpinstrp) {
+ case FLASH_5720_EEPROM_HD:
+ case FLASH_5720_EEPROM_LD:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+
+ nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
+ tw32(NVRAM_CFG1, nvcfg1);
+ if (nvmpinstrp == FLASH_5720_EEPROM_HD)
+ tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
+ else
+ tp->nvram_pagesize = ATMEL_AT24C02_CHIP_SIZE;
+ return;
+ case FLASH_5720VENDOR_M_ATMEL_DB011D:
+ case FLASH_5720VENDOR_A_ATMEL_DB011B:
+ case FLASH_5720VENDOR_A_ATMEL_DB011D:
+ case FLASH_5720VENDOR_M_ATMEL_DB021D:
+ case FLASH_5720VENDOR_A_ATMEL_DB021B:
+ case FLASH_5720VENDOR_A_ATMEL_DB021D:
+ case FLASH_5720VENDOR_M_ATMEL_DB041D:
+ case FLASH_5720VENDOR_A_ATMEL_DB041B:
+ case FLASH_5720VENDOR_A_ATMEL_DB041D:
+ case FLASH_5720VENDOR_M_ATMEL_DB081D:
+ case FLASH_5720VENDOR_A_ATMEL_DB081D:
+ case FLASH_5720VENDOR_ATMEL_45USPT:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+
+ switch (nvmpinstrp) {
+ case FLASH_5720VENDOR_M_ATMEL_DB021D:
+ case FLASH_5720VENDOR_A_ATMEL_DB021B:
+ case FLASH_5720VENDOR_A_ATMEL_DB021D:
+ tp->nvram_size = TG3_NVRAM_SIZE_256KB;
+ break;
+ case FLASH_5720VENDOR_M_ATMEL_DB041D:
+ case FLASH_5720VENDOR_A_ATMEL_DB041B:
+ case FLASH_5720VENDOR_A_ATMEL_DB041D:
+ tp->nvram_size = TG3_NVRAM_SIZE_512KB;
+ break;
+ case FLASH_5720VENDOR_M_ATMEL_DB081D:
+ case FLASH_5720VENDOR_A_ATMEL_DB081D:
+ tp->nvram_size = TG3_NVRAM_SIZE_1MB;
+ break;
+ default:
+ tp->nvram_size = TG3_NVRAM_SIZE_128KB;
+ break;
+ }
+ break;
+ case FLASH_5720VENDOR_M_ST_M25PE10:
+ case FLASH_5720VENDOR_M_ST_M45PE10:
+ case FLASH_5720VENDOR_A_ST_M25PE10:
+ case FLASH_5720VENDOR_A_ST_M45PE10:
+ case FLASH_5720VENDOR_M_ST_M25PE20:
+ case FLASH_5720VENDOR_M_ST_M45PE20:
+ case FLASH_5720VENDOR_A_ST_M25PE20:
+ case FLASH_5720VENDOR_A_ST_M45PE20:
+ case FLASH_5720VENDOR_M_ST_M25PE40:
+ case FLASH_5720VENDOR_M_ST_M45PE40:
+ case FLASH_5720VENDOR_A_ST_M25PE40:
+ case FLASH_5720VENDOR_A_ST_M45PE40:
+ case FLASH_5720VENDOR_M_ST_M25PE80:
+ case FLASH_5720VENDOR_M_ST_M45PE80:
+ case FLASH_5720VENDOR_A_ST_M25PE80:
+ case FLASH_5720VENDOR_A_ST_M45PE80:
+ case FLASH_5720VENDOR_ST_25USPT:
+ case FLASH_5720VENDOR_ST_45USPT:
+ tp->nvram_jedecnum = JEDEC_ST;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+
+ switch (nvmpinstrp) {
+ case FLASH_5720VENDOR_M_ST_M25PE20:
+ case FLASH_5720VENDOR_M_ST_M45PE20:
+ case FLASH_5720VENDOR_A_ST_M25PE20:
+ case FLASH_5720VENDOR_A_ST_M45PE20:
+ tp->nvram_size = TG3_NVRAM_SIZE_256KB;
+ break;
+ case FLASH_5720VENDOR_M_ST_M25PE40:
+ case FLASH_5720VENDOR_M_ST_M45PE40:
+ case FLASH_5720VENDOR_A_ST_M25PE40:
+ case FLASH_5720VENDOR_A_ST_M45PE40:
+ tp->nvram_size = TG3_NVRAM_SIZE_512KB;
+ break;
+ case FLASH_5720VENDOR_M_ST_M25PE80:
+ case FLASH_5720VENDOR_M_ST_M45PE80:
+ case FLASH_5720VENDOR_A_ST_M25PE80:
+ case FLASH_5720VENDOR_A_ST_M45PE80:
+ tp->nvram_size = TG3_NVRAM_SIZE_1MB;
+ break;
+ default:
+ tp->nvram_size = TG3_NVRAM_SIZE_128KB;
+ break;
+ }
+ break;
+ default:
+ tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
+ return;
+ }
+
+ tg3_nvram_get_pagesize(tp, nvcfg1);
+ if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
+ tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
+}
+
/* Chips other than 5700/5701 use the NVRAM for fetching info. */
static void __devinit tg3_nvram_init(struct tg3 *tp)
{
@@ -11933,8 +12045,11 @@
else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
tg3_get_57780_nvram_info(tp);
- else if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
tg3_get_5717_nvram_info(tp);
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720)
+ tg3_get_5720_nvram_info(tp);
else
tg3_get_nvram_info(tp);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 45605f2..169a6ce 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1827,6 +1827,38 @@
#define FLASH_5717VENDOR_ATMEL_45USPT 0x03400000
#define FLASH_5717VENDOR_ST_25USPT 0x03400002
#define FLASH_5717VENDOR_ST_45USPT 0x03400001
+#define FLASH_5720_EEPROM_HD 0x00000001
+#define FLASH_5720_EEPROM_LD 0x00000003
+#define FLASH_5720VENDOR_M_ATMEL_DB011D 0x01000000
+#define FLASH_5720VENDOR_M_ATMEL_DB021D 0x01000002
+#define FLASH_5720VENDOR_M_ATMEL_DB041D 0x01000001
+#define FLASH_5720VENDOR_M_ATMEL_DB081D 0x01000003
+#define FLASH_5720VENDOR_M_ST_M25PE10 0x02000000
+#define FLASH_5720VENDOR_M_ST_M25PE20 0x02000002
+#define FLASH_5720VENDOR_M_ST_M25PE40 0x02000001
+#define FLASH_5720VENDOR_M_ST_M25PE80 0x02000003
+#define FLASH_5720VENDOR_M_ST_M45PE10 0x03000000
+#define FLASH_5720VENDOR_M_ST_M45PE20 0x03000002
+#define FLASH_5720VENDOR_M_ST_M45PE40 0x03000001
+#define FLASH_5720VENDOR_M_ST_M45PE80 0x03000003
+#define FLASH_5720VENDOR_A_ATMEL_DB011B 0x01800000
+#define FLASH_5720VENDOR_A_ATMEL_DB021B 0x01800002
+#define FLASH_5720VENDOR_A_ATMEL_DB041B 0x01800001
+#define FLASH_5720VENDOR_A_ATMEL_DB011D 0x01c00000
+#define FLASH_5720VENDOR_A_ATMEL_DB021D 0x01c00002
+#define FLASH_5720VENDOR_A_ATMEL_DB041D 0x01c00001
+#define FLASH_5720VENDOR_A_ATMEL_DB081D 0x01c00003
+#define FLASH_5720VENDOR_A_ST_M25PE10 0x02800000
+#define FLASH_5720VENDOR_A_ST_M25PE20 0x02800002
+#define FLASH_5720VENDOR_A_ST_M25PE40 0x02800001
+#define FLASH_5720VENDOR_A_ST_M25PE80 0x02800003
+#define FLASH_5720VENDOR_A_ST_M45PE10 0x02c00000
+#define FLASH_5720VENDOR_A_ST_M45PE20 0x02c00002
+#define FLASH_5720VENDOR_A_ST_M45PE40 0x02c00001
+#define FLASH_5720VENDOR_A_ST_M45PE80 0x02c00003
+#define FLASH_5720VENDOR_ATMEL_45USPT 0x03c00000
+#define FLASH_5720VENDOR_ST_25USPT 0x03c00002
+#define FLASH_5720VENDOR_ST_45USPT 0x03c00001
#define NVRAM_CFG1_5752PAGE_SIZE_MASK 0x70000000
#define FLASH_5752PAGE_SIZE_256 0x00000000
#define FLASH_5752PAGE_SIZE_512 0x10000000
@@ -3060,6 +3092,7 @@
int nvram_lock_cnt;
u32 nvram_size;
+#define TG3_NVRAM_SIZE_2KB 0x00000800
#define TG3_NVRAM_SIZE_64KB 0x00010000
#define TG3_NVRAM_SIZE_128KB 0x00020000
#define TG3_NVRAM_SIZE_256KB 0x00040000
@@ -3075,6 +3108,9 @@
#define JEDEC_SAIFUN 0x4f
#define JEDEC_SST 0xbf
+#define ATMEL_AT24C02_CHIP_SIZE TG3_NVRAM_SIZE_2KB
+#define ATMEL_AT24C02_PAGE_SIZE (8)
+
#define ATMEL_AT24C64_CHIP_SIZE TG3_NVRAM_SIZE_64KB
#define ATMEL_AT24C64_PAGE_SIZE (32)