diff options
| author | Frank Li <Frank.Li@freescale.com> | 2009-08-03 10:07:58 +0800 |
|---|---|---|
| committer | Rob Herring <r.herring@freescale.com> | 2009-08-07 09:47:27 -0500 |
| commit | 8dbbc15e8337141d2d01026f332781bfa1fea93b (patch) | |
| tree | a5e99755e6e224e5b2876aaaec1201949b511ed1 /drivers | |
| parent | 43ccbb15a2c99eb7809e6c1767a885378bad2fd4 (diff) | |
ENGR00114737 iMX233 get mac address from fuse at EVK board
Get mac address from fuse at iMX233 EVK board
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/enc28j60.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index 660c03423b25..98c07af8a2f9 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -50,6 +50,10 @@ /* Max TX retries in case of collision as suggested by errata datasheet */ #define MAX_TX_RETRYCOUNT 16 +#ifdef CONFIG_ARCH_STMP3XXX +#include <mach/stmp3xxx.h> +#include <mach/regs-ocotp.h> +#endif enum { RXFILTER_NORMAL, RXFILTER_MULTI, @@ -97,8 +101,35 @@ static int enc28j60_get_mac(unsigned char *dev_addr, int idx) if (idx > MAX_ENC_CARDS) return false; - if (!mac[idx]) + if (!mac[idx]) { +#ifdef CONFIG_ARCH_STMP3XXX + if (get_evk_board_version() >= 1) { + int mac1 , mac2 , retry = 0; + + HW_OCOTP_CTRL_SET(BM_OCOTP_CTRL_RD_BANK_OPEN); + while (HW_OCOTP_CTRL_RD() & BM_OCOTP_CTRL_BUSY) { + msleep(10); + retry++; + if (retry > 10) + return false; + } + + mac1 = HW_OCOTP_CUSTn_RD(0); + mac2 = HW_OCOTP_CUSTn_RD(1); + if (MAX_ADDR_LEN < 6) + return false; + + dev_addr[0] = (mac1 >> 24) & 0xFF; + dev_addr[1] = (mac1 >> 16) & 0xFF; + dev_addr[2] = (mac1 >> 8) & 0xFF; + dev_addr[3] = (mac1 >> 0) & 0xFF; + dev_addr[4] = (mac2 >> 8) & 0xFF; + dev_addr[5] = (mac2 >> 0) & 0xFF; + return true; + } +#endif return false; + } item = mac[idx]; for (i = 0; i < MAX_ADDR_LEN; i++) { |