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| author | Fugang Duan <B38611@freescale.com> | 2012-03-19 13:11:37 +0800 |
|---|---|---|
| committer | Fugang Duan <B38611@freescale.com> | 2012-03-22 20:21:21 +0800 |
| commit | 10e65e82a534afdc4f33330f26a8d72091064844 (patch) | |
| tree | ebd640abe24c05e5ee13544880fe86679080984c | |
| parent | 222932f207c4bafb19860b9e72e9487daea9b390 (diff) | |
| download | u-boot-imx-10e65e82a534afdc4f33330f26a8d72091064844.zip u-boot-imx-10e65e82a534afdc4f33330f26a8d72091064844.tar.gz u-boot-imx-10e65e82a534afdc4f33330f26a8d72091064844.tar.bz2 | |
ENGR00176837-1 - imx6 sabreauto : add net support for revb boards.
- In imx6 sabreauto board REVB Ethernet phy adopt AR8031. Add
phy init rework.
Signed-off-by: Fugang Duan <B38611@freescale.com>
| -rw-r--r-- | board/freescale/mx6q_sabreauto/mx6q_sabreauto.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/board/freescale/mx6q_sabreauto/mx6q_sabreauto.c b/board/freescale/mx6q_sabreauto/mx6q_sabreauto.c index 149a2d6..ffa3ce1 100644 --- a/board/freescale/mx6q_sabreauto/mx6q_sabreauto.c +++ b/board/freescale/mx6q_sabreauto/mx6q_sabreauto.c @@ -848,7 +848,6 @@ int board_late_init(void) /* * The following function is used for debug purpose */ -/* static int phy_read(char *devname, unsigned char addr, unsigned char reg, unsigned short *pdata) { @@ -858,7 +857,6 @@ static int phy_read(char *devname, unsigned char addr, unsigned char reg, devname, addr, reg); return ret; } -*/ static int phy_write(char *devname, unsigned char addr, unsigned char reg, unsigned short value) @@ -872,18 +870,37 @@ static int phy_write(char *devname, unsigned char addr, unsigned char reg, int mx6_rgmii_rework(char *devname, int phy_addr) { + unsigned short val; - /* enable master mode, 1000 Base-T capable */ - phy_write(devname, phy_addr, 0x9, 0x1f00); + if (mx6_board_is_reva()) { + /* Phy: KSZ9021 */ + phy_write(devname, phy_addr, 0x9, 0x1c00); - /* min rx data delay */ - phy_write(devname, phy_addr, 0x0b, 0x8105); - phy_write(devname, phy_addr, 0x0c, 0x0000); + /* min rx data delay */ + phy_write(devname, phy_addr, 0x0b, 0x8105); + phy_write(devname, phy_addr, 0x0c, 0x0000); - /* max rx/tx clock delay, min rx/tx control delay */ - phy_write(devname, phy_addr, 0x0b, 0x8104); - phy_write(devname, phy_addr, 0x0c, 0xf0f0); - phy_write(devname, phy_addr, 0x0b, 0x104); + /* max rx/tx clock delay, min rx/tx control delay */ + phy_write(devname, phy_addr, 0x0b, 0x8104); + phy_write(devname, phy_addr, 0x0c, 0xf0f0); + phy_write(devname, phy_addr, 0x0b, 0x104); + } else { + /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ + phy_write(devname, phy_addr, 0xd, 0x7); + phy_write(devname, phy_addr, 0xe, 0x8016); + phy_write(devname, phy_addr, 0xd, 0x4007); + phy_read(devname, phy_addr, 0xe, &val); + + val &= 0xffe3; + val |= 0x18; + phy_write(devname, phy_addr, 0xe, val); + + /* introduce tx clock delay */ + phy_write(devname, phy_addr, 0x1d, 0x5); + phy_read(devname, phy_addr, 0x1e, &val); + val |= 0x0100; + phy_write(devname, phy_addr, 0x1e, val); + } return 0; } |