diff options
Diffstat (limited to 'arch/powerpc/boot/4xx.c')
| -rw-r--r-- | arch/powerpc/boot/4xx.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c index 1a83efe..33f25b6 100644 --- a/arch/powerpc/boot/4xx.c +++ b/arch/powerpc/boot/4xx.c @@ -243,7 +243,8 @@ void ibm4xx_quiesce_eth(u32 *emac0, u32 *emac1) *emac1 = EMAC_RESET; mtdcr(DCRN_MAL0_CFG, MAL_RESET); - while (mfdcr(DCRN_MAL0_CFG) & MAL_RESET) {}; + while (mfdcr(DCRN_MAL0_CFG) & MAL_RESET) + ; /* loop until reset takes effect */ } /* Read 4xx EBC bus bridge registers to get mappings of the peripheral @@ -515,19 +516,17 @@ void ibm405gp_fixup_clocks(unsigned int sys_clk, unsigned int ser_clk) opb = plb / opdv; ebc = plb / epdv; - if (cpc0_cr0 & 0x80) { + if (cpc0_cr0 & 0x80) /* uart0 uses the external clock */ uart0 = ser_clk; - } else { + else uart0 = cpu / udiv; - } - if (cpc0_cr0 & 0x40) { + if (cpc0_cr0 & 0x40) /* uart1 uses the external clock */ uart1 = ser_clk; - } else { + else uart1 = cpu / udiv; - } /* setup the timebase clock to tick at the cpu frequency */ cpc0_cr1 = cpc0_cr1 & ~0x00800000; |
