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| author | John Rigby <jcrigby@gmail.com> | 2010-01-25 23:12:55 -0700 |
|---|---|---|
| committer | Tom Rix <Tom.Rix@windriver.com> | 2010-03-07 12:36:36 -0600 |
| commit | cb17b92de03416cf4d5db5bd27ef4ae17f95e707 (patch) | |
| tree | 8227d1d7b65c3d90c9d6650aecf52184ad73a6b1 /drivers/net/fec_mxc.c | |
| parent | 552ff8f1d9fccf57243a01afe6dbebb982867e20 (diff) | |
| download | u-boot-imx-cb17b92de03416cf4d5db5bd27ef4ae17f95e707.zip u-boot-imx-cb17b92de03416cf4d5db5bd27ef4ae17f95e707.tar.gz u-boot-imx-cb17b92de03416cf4d5db5bd27ef4ae17f95e707.tar.bz2 | |
fec_mxc: cleanup and factor out MX27 dependencies
general cleanup
move clock init to cpu_eth_init in cpu/arm926ejs/mx27/generic.c
make MX27 specific phy init conditional on CONFIG_MX27
replace call to imx_get_ahbclk with one to imx_get_fecclk
and define imx_get_fecclk in include/asm-arm/arch-mx27/clock.h
Signed-off-by: John Rigby <jcrigby@gmail.com>
CC: Ben Warren <biggerbadderben@gmail.com>
CC: Fred Fan <fanyefeng@gmail.com>
CC: Tom <Tom.Rix@windriver.com>
Diffstat (limited to 'drivers/net/fec_mxc.c')
| -rw-r--r-- | drivers/net/fec_mxc.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 446076f..e027894 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -162,7 +162,9 @@ static int miiphy_restart_aneg(struct eth_device *dev) * Wake up from sleep if necessary * Reset PHY, then delay 300ns */ +#ifdef CONFIG_MX27 miiphy_write(dev->name, CONFIG_FEC_MXC_PHYADDR, PHY_MIPGSR, 0x00FF); +#endif miiphy_write(dev->name, CONFIG_FEC_MXC_PHYADDR, PHY_BMCR, PHY_BMCR_RESET); udelay(1000); @@ -363,7 +365,8 @@ static int fec_open(struct eth_device *edev) /* * Enable FEC-Lite controller */ - writel(FEC_ECNTRL_ETHER_EN, &fec->eth->ecntrl); + writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_ETHER_EN, + &fec->eth->ecntrl); miiphy_wait_aneg(edev); miiphy_speed(edev->name, CONFIG_FEC_MXC_PHYADDR); @@ -490,7 +493,7 @@ static void fec_halt(struct eth_device *dev) /* * issue graceful stop command to the FEC transmitter if necessary */ - writel(FEC_ECNTRL_RESET | readl(&fec->eth->x_cntrl), + writel(FEC_TCNTRL_GTS | readl(&fec->eth->x_cntrl), &fec->eth->x_cntrl); debug("eth_halt: wait for stop regs\n"); @@ -498,7 +501,7 @@ static void fec_halt(struct eth_device *dev) * wait for graceful stop to register */ while ((counter--) && (!(readl(&fec->eth->ievent) & FEC_IEVENT_GRA))) - ; /* FIXME ensure time */ + udelay(1); /* * Disable SmartDMA tasks @@ -510,7 +513,7 @@ static void fec_halt(struct eth_device *dev) * Disable the Ethernet Controller * Note: this will also reset the BD index counter! */ - writel(0, &fec->eth->ecntrl); + writel(readl(&fec->eth->ecntrl) & ~FEC_ECNTRL_ETHER_EN, &fec->eth->ecntrl); fec->rbd_index = 0; fec->tbd_index = 0; debug("eth_halt: done\n"); @@ -569,7 +572,7 @@ static int fec_send(struct eth_device *dev, volatile void* packet, int length) * wait until frame is sent . */ while (readw(&fec->tbd_base[fec->tbd_index].status) & FEC_TBD_READY) { - /* FIXME: Timeout */ + udelay(1); } debug("fec_send: status 0x%x index %d\n", readw(&fec->tbd_base[fec->tbd_index].status), @@ -688,7 +691,7 @@ static int fec_probe(bd_t *bd) fec->xcv_type = MII100; /* Reset chip. */ - writel(FEC_ECNTRL_RESET, &fec->eth->ecntrl); + writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_RESET, &fec->eth->ecntrl); while (readl(&fec->eth->ecntrl) & 1) udelay(10); |