diff options
author | Wolfgang Denk <wd@denx.de> | 2007-11-18 01:26:14 +0100 |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2007-11-18 01:26:14 +0100 |
commit | 0b20335015945cc9aedf27356e51aa3a0b0cdc48 (patch) | |
tree | 145c1e3568ba01f151e9ece4b2d10a710c692388 /cpu/mips/au1x00_eth.c | |
parent | 7e14fc65368cbd2861b1207453da55a4fc7b3f81 (diff) | |
parent | 7e1d884b7cb602007329c517ec1c453e3a6a5d9c (diff) | |
download | u-boot-imx-0b20335015945cc9aedf27356e51aa3a0b0cdc48.zip u-boot-imx-0b20335015945cc9aedf27356e51aa3a0b0cdc48.tar.gz u-boot-imx-0b20335015945cc9aedf27356e51aa3a0b0cdc48.tar.bz2 |
Merge branch 'master' of git://www.denx.de/git/u-boot-mips
Diffstat (limited to 'cpu/mips/au1x00_eth.c')
-rw-r--r-- | cpu/mips/au1x00_eth.c | 118 |
1 files changed, 59 insertions, 59 deletions
diff --git a/cpu/mips/au1x00_eth.c b/cpu/mips/au1x00_eth.c index b69741a..d70c5fe 100644 --- a/cpu/mips/au1x00_eth.c +++ b/cpu/mips/au1x00_eth.c @@ -90,6 +90,65 @@ mac_fifo_t mac_fifo[NO_OF_FIFOS]; #define MAX_WAIT 1000 +#if defined(CONFIG_CMD_MII) +int au1x00_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short * value) +{ + volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL); + volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA); + u32 mii_control; + unsigned int timedout = 20; + + while (*mii_control_reg & MAC_MII_BUSY) { + udelay(1000); + if (--timedout == 0) { + printf("au1x00_eth: miiphy_read busy timeout!!\n"); + return -1; + } + } + + mii_control = MAC_SET_MII_SELECT_REG(reg) | + MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ; + + *mii_control_reg = mii_control; + + timedout = 20; + while (*mii_control_reg & MAC_MII_BUSY) { + udelay(1000); + if (--timedout == 0) { + printf("au1x00_eth: miiphy_read busy timeout!!\n"); + return -1; + } + } + *value = *mii_data_reg; + return 0; +} + +int au1x00_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value) +{ + volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL); + volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA); + u32 mii_control; + unsigned int timedout = 20; + + while (*mii_control_reg & MAC_MII_BUSY) { + udelay(1000); + if (--timedout == 0) { + printf("au1x00_eth: miiphy_write busy timeout!!\n"); + return -1; + } + } + + mii_control = MAC_SET_MII_SELECT_REG(reg) | + MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE; + + *mii_data_reg = value; + *mii_control_reg = mii_control; + return 0; +} +#endif + static int au1x00_send(struct eth_device* dev, volatile void *packet, int length){ volatile mac_fifo_t *fifo_tx = (volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS); @@ -249,63 +308,4 @@ int au1x00_enet_initialize(bd_t *bis){ return 1; } -#if defined(CONFIG_CMD_MII) -int au1x00_miiphy_read(char *devname, unsigned char addr, - unsigned char reg, unsigned short * value) -{ - volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL); - volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA); - u32 mii_control; - unsigned int timedout = 20; - - while (*mii_control_reg & MAC_MII_BUSY) { - udelay(1000); - if (--timedout == 0) { - printf("au1x00_eth: miiphy_read busy timeout!!\n"); - return -1; - } - } - - mii_control = MAC_SET_MII_SELECT_REG(reg) | - MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ; - - *mii_control_reg = mii_control; - - timedout = 20; - while (*mii_control_reg & MAC_MII_BUSY) { - udelay(1000); - if (--timedout == 0) { - printf("au1x00_eth: miiphy_read busy timeout!!\n"); - return -1; - } - } - *value = *mii_data_reg; - return 0; -} - -int au1x00_miiphy_write(char *devname, unsigned char addr, - unsigned char reg, unsigned short value) -{ - volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL); - volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA); - u32 mii_control; - unsigned int timedout = 20; - - while (*mii_control_reg & MAC_MII_BUSY) { - udelay(1000); - if (--timedout == 0) { - printf("au1x00_eth: miiphy_write busy timeout!!\n"); - return; - } - } - - mii_control = MAC_SET_MII_SELECT_REG(reg) | - MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE; - - *mii_data_reg = value; - *mii_control_reg = mii_control; - return 0; -} -#endif - #endif /* CONFIG_AU1X00 */ |