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mx28: Let imx_get_mac_from_fuse be common for mx28 

Let imx_get_mac_from_fuse function be a common function, so that other
mx28 boards can reuse it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Fabio Estevam 2011-12-20 06:42:29 +00:00 committed by Albert ARIBAUD
parent be252b654a
commit 5cb525f3d2
2 changed files with 46 additions and 35 deletions
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46
arch/arm/cpu/arm926ejs/mx28/mx28.c
View File

@ -214,6 +214,52 @@ int cpu_eth_init(bd_t *bis)
} }
#endif #endif
static void __mx28_adjust_mac(int dev_id, unsigned char *mac)
{
mac[0] = 0x00;
mac[1] = 0x04; /* Use FSL vendor MAC address by default */
if (dev_id == 1) /* Let MAC1 be MAC0 + 1 by default */
mac[5] += 1;
}
void mx28_adjust_mac(int dev_id, unsigned char *mac)
__attribute__((weak, alias("__mx28_adjust_mac")));
#ifdef CONFIG_MX28_FEC_MAC_IN_OCOTP
#define MXS_OCOTP_MAX_TIMEOUT 1000000
void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
{
struct mx28_ocotp_regs *ocotp_regs =
(struct mx28_ocotp_regs *)MXS_OCOTP_BASE;
uint32_t data;
memset(mac, 0, 6);
writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set);
if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY,
MXS_OCOTP_MAX_TIMEOUT)) {
printf("MXS FEC: Can't get MAC from OCOTP\n");
return;
}
data = readl(&ocotp_regs->hw_ocotp_cust0);
mac[2] = (data >> 24) & 0xff;
mac[3] = (data >> 16) & 0xff;
mac[4] = (data >> 8) & 0xff;
mac[5] = data & 0xff;
mx28_adjust_mac(dev_id, mac);
}
#else
void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
{
memset(mac, 0, 6);
}
#endif
U_BOOT_CMD( U_BOOT_CMD(
clocks, CONFIG_SYS_MAXARGS, 1, do_mx28_showclocks, clocks, CONFIG_SYS_MAXARGS, 1, do_mx28_showclocks,
"display clocks", "display clocks",

35
board/denx/m28evk/m28evk.c
View File

@ -178,39 +178,4 @@ int board_eth_init(bd_t *bis)
return ret; return ret;
} }
#ifdef CONFIG_M28_FEC_MAC_IN_OCOTP
#define MXS_OCOTP_MAX_TIMEOUT 1000000
void imx_get_mac_from_fuse(int dev_id, char *mac)
{
struct mx28_ocotp_regs *ocotp_regs =
(struct mx28_ocotp_regs *)MXS_OCOTP_BASE;
uint32_t data;
memset(mac, 0, 6);
writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set);
if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY,
MXS_OCOTP_MAX_TIMEOUT)) {
printf("MXS FEC: Can't get MAC from OCOTP\n");
return;
}
data = readl(&ocotp_regs->hw_ocotp_cust0);
mac[0] = 0x00;
mac[1] = 0x04;
mac[2] = (data >> 24) & 0xff;
mac[3] = (data >> 16) & 0xff;
mac[4] = (data >> 8) & 0xff;
mac[5] = data & 0xff;
}
#else
void imx_get_mac_from_fuse(int dev_id, char *mac)
{
memset(mac, 0, 6);
}
#endif
#endif #endif