MIPS: Alchemy: introduce helpers to access SYS register block.

[cascardo/linux.git] / arch / mips / alchemy / devboards / db1550.c

diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index bbd8d98..392fb89 100644 (file)
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -31,16 +31,16 @@
 static void __init db1550_hw_setup(void)
 {
        void __iomem *base;
+       unsigned long v;
 
        /* complete SPI setup: link psc0_intclk to a 48MHz source,
         * and assign GPIO16 to PSC0_SYNC1 (SPI cs# line) as well as PSC1_SYNC
         * for AC97 on PB1550.
         */
-       base = (void __iomem *)SYS_CLKSRC;
-       __raw_writel(__raw_readl(base) | 0x000001e0, base);
-       base = (void __iomem *)SYS_PINFUNC;
-       __raw_writel(__raw_readl(base) | 1 | SYS_PF_PSC1_S1, base);
-       wmb();
+       v = alchemy_rdsys(AU1000_SYS_CLKSRC);
+       alchemy_wrsys(v | 0x000001e0, AU1000_SYS_CLKSRC);
+       v = alchemy_rdsys(AU1000_SYS_PINFUNC);
+       alchemy_wrsys(v | 1 | SYS_PF_PSC1_S1, AU1000_SYS_PINFUNC);
 
        /* reset the AC97 codec now, the reset time in the psc-ac97 driver
         * is apparently too short although it's ridiculous as it is.