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imx: Get fec mac address from fuse

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The patch is to support getting FEC MAC address from fuse bank.

Signed-off-by: Jason Liu <r64343@freescale.com>
Tested-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Liu Hui-R64343 2010-11-18 23:45:55 +00:00 committed by Stefano Babic
parent a676cca41d
commit 565e39c577
7 changed files with 98 additions and 30 deletions
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12
arch/arm/cpu/arm926ejs/mx25/generic.c
View file

@ -260,4 +260,16 @@ void mx25_fec_init_pins (void)
writel (outpadctl, &padctl->pad_fec_tdata1);
}
void imx_get_mac_from_fuse(unsigned char *mac)
{
int i;
struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
struct fuse_bank *bank = &iim->bank[0];
struct fuse_bank0_regs *fuse =
(struct fuse_bank0_regs *)bank->fuse_regs;
for (i = 0; i < 6; i++)
mac[i] = readl(&fuse->mac_addr[i]) & 0xff;
}
#endif /* CONFIG_FEC_MXC */

12
arch/arm/cpu/arm926ejs/mx27/generic.c
View file

@ -313,6 +313,18 @@ void mx27_fec_init_pins(void)
for (i = 0; i < ARRAY_SIZE(mode); i++)
imx_gpio_mode(mode[i]);
}
void imx_get_mac_from_fuse(unsigned char *mac)
{
int i;
struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
struct fuse_bank *bank = &iim->bank[0];
struct fuse_bank0_regs *fuse =
(struct fuse_bank0_regs *)bank->fuse_regs;
for (i = 0; i < 6; i++)
mac[6 - 1 - i] = readl(&fuse->mac_addr[i]) & 0xff;
}
#endif /* CONFIG_FEC_MXC */
#ifdef CONFIG_MXC_MMC

14
arch/arm/cpu/armv7/mx5/soc.c
View file

@ -100,6 +100,20 @@ int cpu_eth_init(bd_t *bis)
return rc;
}
#if defined(CONFIG_FEC_MXC)
void imx_get_mac_from_fuse(unsigned char *mac)
{
int i;
struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
struct fuse_bank *bank = &iim->bank[1];
struct fuse_bank1_regs *fuse =
(struct fuse_bank1_regs *)bank->fuse_regs;
for (i = 0; i < 6; i++)
mac[i] = readl(&fuse->mac_addr[i]) & 0xff;
}
#endif
/*
* Initializes on-chip MMC controllers.
* to override, implement board_mmc_init()

19
arch/arm/include/asm/arch-mx25/imx-regs.h
View file

@ -36,6 +36,7 @@
#ifndef __ASSEMBLY__
#ifdef CONFIG_FEC_MXC
extern void mx25_fec_init_pins(void);
extern void imx_get_mac_from_fuse(unsigned char *mac);
#endif
/* Clock Control Module (CCM) registers */
@ -129,12 +130,17 @@ struct iim_regs {
u32 iim_srev;
u32 iim_prog_p;
u32 res1[0x1f5];
u32 iim_bank_area0[0x20];
u32 res2[0xe0];
u32 iim_bank_area1[0x20];
u32 res3[0xe0];
u32 iim_bank_area2[0x20];
struct fuse_bank {
u32 fuse_regs[0x20];
u32 fuse_rsvd[0xe0];
} bank[3];
};
struct fuse_bank0_regs {
u32 fuse0_25[0x1a];
u32 mac_addr[6];
};
#endif
/* AIPS 1 */
@ -312,7 +318,4 @@ struct iim_regs {
#define WSR_UNLOCK1 0x5555
#define WSR_UNLOCK2 0xAAAA
/* FUSE bank offsets */
#define IIM0_MAC 0x1a
#endif /* _IMX_REGS_H */

20
arch/arm/include/asm/arch-mx27/imx-regs.h
View file

@ -34,6 +34,7 @@ extern void mx27_uart_init_pins(void);
#ifdef CONFIG_FEC_MXC
extern void mx27_fec_init_pins(void);
extern void imx_get_mac_from_fuse(unsigned char *mac);
#endif /* CONFIG_FEC_MXC */
#ifdef CONFIG_MXC_MMC
@ -202,9 +203,19 @@ struct iim_regs {
u32 iim_scs1;
u32 iim_scs2;
u32 iim_scs3;
u32 res[0x1F0];
u32 iim_bank_area0[0x100];
u32 res[0x1f1];
struct fuse_bank {
u32 fuse_regs[0x20];
u32 fuse_rsvd[0xe0];
} bank[1];
};
struct fuse_bank0_regs {
u32 fuse0_3[5];
u32 mac_addr[6];
u32 fuse10_31[0x16];
};
#endif
#define IMX_IO_BASE 0x10000000
@ -512,9 +523,4 @@ struct iim_regs {
#define IIM_ERR_SNSE (1 << 2)
#define IIM_ERR_PARITYE (1 << 1)
/* Definitions for i.MX27 TO2 */
#define IIM0_MAC 5
#define IIM0_SCC_KEY 11
#define IIM1_SUID 1
#endif /* _IMX_REGS_H */

34
arch/arm/include/asm/arch-mx5/imx-regs.h
View file

@ -205,9 +205,13 @@
#define BOARD_REV_1_0 0x0
#define BOARD_REV_2_0 0x1
#define IMX_IIM_BASE (IIM_BASE_ADDR)
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
#include <asm/types.h>
extern void imx_get_mac_from_fuse(unsigned char *mac);
#define __REG(x) (*((volatile u32 *)(x)))
#define __REG16(x) (*((volatile u16 *)(x)))
#define __REG8(x) (*((volatile u8 *)(x)))
@ -275,6 +279,36 @@ struct src {
u32 sisr;
u32 simr;
};
struct iim_regs {
u32 stat;
u32 statm;
u32 err;
u32 emask;
u32 fctl;
u32 ua;
u32 la;
u32 sdat;
u32 prev;
u32 srev;
u32 preg_p;
u32 scs0;
u32 scs1;
u32 scs2;
u32 scs3;
u32 res0[0x1f1];
struct fuse_bank {
u32 fuse_regs[0x20];
u32 fuse_rsvd[0xe0];
} bank[4];
};
struct fuse_bank1_regs {
u32 fuse0_8[9];
u32 mac_addr[6];
u32 fuse15_31[0x11];
};
#endif /* __ASSEMBLER__*/
#endif /* __ASM_ARCH_MXC_MX51_H__ */

17
drivers/net/fec_mxc.c
View file

@ -312,21 +312,8 @@ static void fec_rbd_clean(int last, struct fec_bd *pRbd)
static int fec_get_hwaddr(struct eth_device *dev, unsigned char *mac)
{
/*
* The MX27 can store the mac address in internal eeprom
* This mechanism is not supported now by MX51 or MX25
*/
#if defined(CONFIG_MX51) || defined(CONFIG_MX25)
return -1;
#else
struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
int i;
for (i = 0; i < 6; i++)
mac[6-1-i] = readl(&iim->iim_bank_area0[IIM0_MAC + i]);
imx_get_mac_from_fuse(mac);
return !is_valid_ether_addr(mac);
#endif
}
static int fec_set_hwaddr(struct eth_device *dev)
@ -754,7 +741,7 @@ static int fec_probe(bd_t *bd)
eth_register(edev);
if (fec_get_hwaddr(edev, ethaddr) == 0) {
printf("got MAC address from EEPROM: %pM\n", ethaddr);
printf("got MAC address from fuse: %pM\n", ethaddr);
memcpy(edev->enetaddr, ethaddr, 6);
}