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| author | Fabio Estevam <festevam@gmail.com> | 2011-12-20 06:42:29 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-01-16 08:40:09 +0100 |
| commit | 5cb525f3d205d6696c4a42d5bfb9ec8c73543091 (patch) | |
| tree | 52e3f66604c622ed50f2dde283f0d966182120e5 /arch | |
| parent | be252b654a018cd9f513b0f2a5da4855a209c40c (diff) | |
| download | u-boot-imx-5cb525f3d205d6696c4a42d5bfb9ec8c73543091.zip u-boot-imx-5cb525f3d205d6696c4a42d5bfb9ec8c73543091.tar.gz u-boot-imx-5cb525f3d205d6696c4a42d5bfb9ec8c73543091.tar.bz2 | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mx28/mx28.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mx28/mx28.c index 088c019..ad4fabd 100644 --- a/arch/arm/cpu/arm926ejs/mx28/mx28.c +++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c @@ -214,6 +214,52 @@ int cpu_eth_init(bd_t *bis) } #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( clocks, CONFIG_SYS_MAXARGS, 1, do_mx28_showclocks, "display clocks", |