* bump kernel to 2.6.35.8 * merge arcadyn mach files * fixes ar9 * adds hack for...

[openwrt/openwrt.git] / target / linux / ifxmips / files / arch / mips / ifxmips / ar9 / cgu.c

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/cgu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/cgu.c
new file mode 100644 (file)
index 0000000..d69d2f0
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/ar9/cgu.c
@@ -0,0 +1,38 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/init.h>
+#include <linux/uaccess.h>
+#include <linux/unistd.h>
+#include <linux/errno.h>
+
+#include <asm/irq.h>
+#include <asm/div64.h>
+
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+void
+cgu_setup_pci_clk(int external_clock)
+{
+       /* set clock to 33Mhz */
+       ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000,
+               IFXMIPS_CGU_IFCCR);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000,
+               IFXMIPS_CGU_IFCCR);
+       if (external_clock)
+       {
+               ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~(1 << 16),
+                       IFXMIPS_CGU_IFCCR);
+               ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR);
+       } else {
+               ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16),
+                       IFXMIPS_CGU_IFCCR);
+               ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR);
+       }
+}
+
+