MIPS: BCM63XX: setup the HSSPI clock rate

Properly set up the HSSPI clock rate depending on the SoC's PLL rate.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6177/

1 files changed, 18 insertions, 0 deletions

diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c
index 37a621a634ee..637565284732 100644
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -390,3 +390,21 @@ void clk_put(struct clk *clk)
 }
 
 EXPORT_SYMBOL(clk_put);
+
+#define HSSPI_PLL_HZ_6328       133333333
+#define HSSPI_PLL_HZ_6362       400000000
+
+static int __init bcm63xx_clk_init(void)
+{
+        switch (bcm63xx_get_cpu_id()) {
+        case BCM6328_CPU_ID:
+                clk_hsspi.rate = HSSPI_PLL_HZ_6328;
+                break;
+        case BCM6362_CPU_ID:
+                clk_hsspi.rate = HSSPI_PLL_HZ_6362;
+                break;
+        }
+
+        return 0;
+}
+arch_initcall(bcm63xx_clk_init);