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[TG3]: Add nvram detection for 5752 

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Michael Chan 2005-04-21 17:11:21 -07:00 committed by David S. Miller
parent 3e7d83bc96
commit 361b4ac29b
2 changed files with 76 additions and 1 deletions
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63
drivers/net/tg3.c
View File

@ -7096,6 +7096,63 @@ static void __devinit tg3_get_nvram_info(struct tg3 *tp)
}
}
static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
{
u32 nvcfg1;
nvcfg1 = tr32(NVRAM_CFG1);
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
tp->nvram_jedecnum = JEDEC_ATMEL;
tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
break;
case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
tp->nvram_jedecnum = JEDEC_ATMEL;
tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
tp->tg3_flags2 |= TG3_FLG2_FLASH;
break;
case FLASH_5752VENDOR_ST_M45PE10:
case FLASH_5752VENDOR_ST_M45PE20:
case FLASH_5752VENDOR_ST_M45PE40:
tp->nvram_jedecnum = JEDEC_ST;
tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
tp->tg3_flags2 |= TG3_FLG2_FLASH;
break;
}
if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
case FLASH_5752PAGE_SIZE_256:
tp->nvram_pagesize = 256;
break;
case FLASH_5752PAGE_SIZE_512:
tp->nvram_pagesize = 512;
break;
case FLASH_5752PAGE_SIZE_1K:
tp->nvram_pagesize = 1024;
break;
case FLASH_5752PAGE_SIZE_2K:
tp->nvram_pagesize = 2048;
break;
case FLASH_5752PAGE_SIZE_4K:
tp->nvram_pagesize = 4096;
break;
case FLASH_5752PAGE_SIZE_264:
tp->nvram_pagesize = 264;
break;
}
}
else {
/* For eeprom, set pagesize to maximum eeprom size */
tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
tw32(NVRAM_CFG1, nvcfg1);
}
}
/* Chips other than 5700/5701 use the NVRAM for fetching info. */
static void __devinit tg3_nvram_init(struct tg3 *tp)
{
@ -7128,7 +7185,11 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
}
tg3_get_nvram_info(tp);
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
tg3_get_5752_nvram_info(tp);
else
tg3_get_nvram_info(tp);
tg3_get_nvram_size(tp);
if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {

14
drivers/net/tg3.h
View File

@ -1399,6 +1399,20 @@
#define FLASH_VENDOR_SAIFUN 0x01000003
#define FLASH_VENDOR_SST_SMALL 0x00000001
#define FLASH_VENDOR_SST_LARGE 0x02000001
#define NVRAM_CFG1_5752VENDOR_MASK 0x03c00003
#define FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ 0x00000000
#define FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ 0x02000000
#define FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED 0x02000003
#define FLASH_5752VENDOR_ST_M45PE10 0x02400000
#define FLASH_5752VENDOR_ST_M45PE20 0x02400002
#define FLASH_5752VENDOR_ST_M45PE40 0x02400001
#define NVRAM_CFG1_5752PAGE_SIZE_MASK 0x70000000
#define FLASH_5752PAGE_SIZE_256 0x00000000
#define FLASH_5752PAGE_SIZE_512 0x10000000
#define FLASH_5752PAGE_SIZE_1K 0x20000000
#define FLASH_5752PAGE_SIZE_2K 0x30000000
#define FLASH_5752PAGE_SIZE_4K 0x40000000
#define FLASH_5752PAGE_SIZE_264 0x50000000
#define NVRAM_CFG2 0x00007018
#define NVRAM_CFG3 0x0000701c
#define NVRAM_SWARB 0x00007020