From: Anton Vorontsov Date: Fri, 5 Oct 2007 17:46:47 +0000 (+0400) Subject: [POWERPC] 85xx: mpc85xx_mds - reset UCC ethernet properly X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=803dedb60849a8e4ec38e66ca41f51188c18a87d;p=linux-beck.git [POWERPC] 85xx: mpc85xx_mds - reset UCC ethernet properly Apart from that the current code doesn't compile it's also meaningless with regard to the MPC8568E-MDS' BCSR. This patch used to reset UCCs properly. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 57e840a1c027..6913e99c1279 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -113,18 +113,22 @@ static void __init mpc85xx_mds_setup_arch(void) } if (bcsr_regs) { - u8 bcsr_phy; - - /* Reset the Ethernet PHY */ - bcsr_phy = in_be8(&bcsr_regs[9]); - bcsr_phy &= ~0x20; - out_be8(&bcsr_regs[9], bcsr_phy); - - udelay(1000); - - bcsr_phy = in_be8(&bcsr_regs[9]); - bcsr_phy |= 0x20; - out_be8(&bcsr_regs[9], bcsr_phy); +#define BCSR_UCC1_GETH_EN (0x1 << 7) +#define BCSR_UCC2_GETH_EN (0x1 << 7) +#define BCSR_UCC1_MODE_MSK (0x3 << 4) +#define BCSR_UCC2_MODE_MSK (0x3 << 0) + + /* Turn off UCC1 & UCC2 */ + clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN); + clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN); + + /* Mode is RGMII, all bits clear */ + clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK | + BCSR_UCC2_MODE_MSK); + + /* Turn UCC1 & UCC2 on */ + setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN); + setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN); iounmap(bcsr_regs); }