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author | Wolfgang Denk <wd@denx.de> | 2011-11-16 20:24:41 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2011-11-16 20:24:41 +0100 |
commit | 0c2dd9a05bdcf3b2b4880509ec690116873fe158 (patch) | |
tree | 3deccd6143aa75c52096154f8f165feacb57fe56 /drivers/net/fec_mxc.c | |
parent | 3844d1c782f9f3a5c72ccdbd4fa141f9c03d1121 (diff) | |
parent | 75acc4d7c1c9081e06d1197c6da01361cf1bce92 (diff) | |
download | u-boot-imx-0c2dd9a05bdcf3b2b4880509ec690116873fe158.zip u-boot-imx-0c2dd9a05bdcf3b2b4880509ec690116873fe158.tar.gz u-boot-imx-0c2dd9a05bdcf3b2b4880509ec690116873fe158.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
arm, davinci: add DAVINCI_MMC_CLKID
arm, davinci_emac: fix driver bug if more then 3 PHYs are detected
arm, davinci: da850/dm365 lowlevel cleanup
omap5: Add omap5_evm board build support.
omap4/5: Add support for booting with CH.
omap5: emif: Add emif/ddr configurations required for omap5 evm
omap5: clocks: Add clocks support for omap5 platform.
omap5: Add minimal support for omap5430.
omap: Checkpatch fixes
omap4: make omap4 code common for future reuse
GCC4.6: Squash warnings in onenand_base.c
GCC4.6: Fix common/usb.c on xscale
OneNAND: Add simple OneNAND SPL
PXA: vpac270: Enable the new generic MMC driver
PXA: Cleanup serial_pxa
PXA: Drop csb226 and innokom boards (unmaintained)
m28evk: Fix comment about the number of RAM banks
mx31: Fix checkpatch warnings in generic.c
mx31: Use proper IO accessor for GPR register
mx31: Remove duplicate definition for GPR register
qong: Use generic function for configuring GPR register
M28EVK: Enable USB HOST support
iMX28: Add USB HOST driver
iMX28: Add USB and USB PHY register definitions
M28: Add memory detection into SPL
iMX28: Fix ARM vector handling
M28: Add doc/README.m28 documentation
M28: Add MMC SPL
iMX28: Add support for DENX M28EVK board
iMX28: Add u-boot.sb target to Makefile
iMX28: Add image header generator tool
iMX28: Add driver for internal RTC
iMX28: Add GPMI NAND driver
iMX28: Add APBH DMA driver
iMX28: Add SPI driver
iMX28: Add GPIO control
iMX28: Add I2C bus driver
iMX28: Add PINMUX control
FEC: Add support for iMX28 quirks
iMX28: Add SSP MMC driver
iMX28: Initial support for iMX28 CPU
MX25: zmx25: GCC4.6 fix build warnings
da850: add new config file for AM18xx
BeagleBoard: config: Switch to ttyO2
OMAP3: Change omap3_evm maintainer
devkit8000: Fix NAND SPL on boards with 256MB NAND
integrator: enable Vpp and disable flash protection
integrator: add system controller header
integrator: make flash writeable on boot
integrator: use io-accessors for board init
integrator: move text offset to config
integrator: pass configs for core modules
ARM: remove superfluous setting of arch_number in board specific code.
SPL: Allow ARM926EJS to avoid compiling in the CPU support code
integrator: do not test first part of the memory
arm: a320: fix broken timer
ARM: define CONFIG_MACH_TYPE for all ronetix boards
dm646x: pass board revision info to kernel
dm646x: add new configuration for dm6467T
arm, davinci: Fix setting of the SDRAM configuration register
arm, davinci: Remove the duplication of LPSC functions
arm, davinci: Rename AM1808 lowlevel functions to DA850
da8xxevm: fix build error
ARM: re-add MACH_TYPE_XXXXXX for VCMA9 board and add CONFIG_MACH_TYPE
Diffstat (limited to 'drivers/net/fec_mxc.c')
-rw-r--r-- | drivers/net/fec_mxc.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 0c0c7cd..b05a4c0 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -42,6 +42,14 @@ DECLARE_GLOBAL_DATA_PTR; #define CONFIG_FEC_XCV_TYPE MII100 #endif +/* + * The i.MX28 operates with packets in big endian. We need to swap them before + * sending and after receiving. + */ +#ifdef CONFIG_MX28 +#define CONFIG_FEC_MXC_SWAP_PACKET +#endif + #undef DEBUG struct nbuf { @@ -51,6 +59,32 @@ struct nbuf { uint8_t head[16]; /**< MAC header(6 + 6 + 2) + 2(aligned) */ }; +#ifdef CONFIG_FEC_MXC_SWAP_PACKET +static void swap_packet(uint32_t *packet, int length) +{ + int i; + + for (i = 0; i < DIV_ROUND_UP(length, 4); i++) + packet[i] = __swab32(packet[i]); +} +#endif + +/* + * The i.MX28 has two ethernet interfaces, but they are not equal. + * Only the first one can access the MDIO bus. + */ +#ifdef CONFIG_MX28 +static inline struct ethernet_regs *fec_miiphy_fec_to_eth(struct fec_priv *fec) +{ + return (struct ethernet_regs *)MXS_ENET0_BASE; +} +#else +static inline struct ethernet_regs *fec_miiphy_fec_to_eth(struct fec_priv *fec) +{ + return fec->eth; +} +#endif + /* * MII-interface related functions */ @@ -59,7 +93,7 @@ static int fec_miiphy_read(const char *dev, uint8_t phyAddr, uint8_t regAddr, { struct eth_device *edev = eth_get_dev_by_name(dev); struct fec_priv *fec = (struct fec_priv *)edev->priv; - struct ethernet_regs *eth = fec->eth; + struct ethernet_regs *eth = fec_miiphy_fec_to_eth(fec); uint32_t reg; /* convenient holder for the PHY register */ uint32_t phy; /* convenient holder for the PHY */ @@ -117,7 +151,7 @@ static int fec_miiphy_write(const char *dev, uint8_t phyAddr, uint8_t regAddr, { struct eth_device *edev = eth_get_dev_by_name(dev); struct fec_priv *fec = (struct fec_priv *)edev->priv; - struct ethernet_regs *eth = fec->eth; + struct ethernet_regs *eth = fec_miiphy_fec_to_eth(fec); uint32_t reg; /* convenient holder for the PHY register */ uint32_t phy; /* convenient holder for the PHY */ @@ -572,6 +606,9 @@ static int fec_send(struct eth_device *dev, volatile void* packet, int length) * Note: We are always using the first buffer for transmission, * the second will be empty and only used to stop the DMA engine */ +#ifdef CONFIG_FEC_MXC_SWAP_PACKET + swap_packet((uint32_t *)packet, length); +#endif writew(length, &fec->tbd_base[fec->tbd_index].data_length); writel((uint32_t)packet, &fec->tbd_base[fec->tbd_index].data_pointer); /* @@ -668,6 +705,9 @@ static int fec_recv(struct eth_device *dev) /* * Fill the buffer and pass it to upper layers */ +#ifdef CONFIG_FEC_MXC_SWAP_PACKET + swap_packet((uint32_t *)frame->data, frame_length); +#endif memcpy(buff, frame->data, frame_length); NetReceive(buff, frame_length); len = frame_length; |