[ARM] Orion: prepare for runtime-determined timer tick rate

[linux-2.6-omap-h63xx.git] / arch / arm / mach-orion5x / common.c

diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 83367265bcf60af85b2ce63b1bc8defb252b6340..8a8b089b8b74334d5293594884997c50c3ab6eb1 100644 (file)
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -146,7 +146,6 @@ void __init orion5x_ehci1_init(void)
  ****************************************************************************/
 struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
        .dram           = &orion5x_mbus_dram_info,
-       .t_clk          = ORION5X_TCLK,
 };
 
 static struct resource orion5x_eth_shared_resources[] = {
@@ -282,7 +281,7 @@ static struct plat_serial8250_port orion5x_uart0_data[] = {
                .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
                .iotype         = UPIO_MEM,
                .regshift       = 2,
-               .uartclk        = ORION5X_TCLK,
+               .uartclk        = 0,
        }, {
        },
 };
@@ -326,7 +325,7 @@ static struct plat_serial8250_port orion5x_uart1_data[] = {
                .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
                .iotype         = UPIO_MEM,
                .regshift       = 2,
-               .uartclk        = ORION5X_TCLK,
+               .uartclk        = 0,
        }, {
        },
 };
@@ -459,9 +458,17 @@ void __init orion5x_xor_init(void)
 /*****************************************************************************
  * Time handling
  ****************************************************************************/
+int orion5x_tclk;
+
+int __init orion5x_find_tclk(void)
+{
+       return 166666667;
+}
+
 static void orion5x_timer_init(void)
 {
-       orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK);
+       orion5x_tclk = orion5x_find_tclk();
+       orion_time_init(IRQ_ORION5X_BRIDGE, orion5x_tclk);
 }
 
 struct sys_timer orion5x_timer = {
@@ -514,7 +521,11 @@ void __init orion5x_init(void)
        u32 dev, rev;
 
        orion5x_id(&dev, &rev, &dev_name);
-       printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK);
+       printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
+
+       orion5x_eth_shared_data.t_clk = orion5x_tclk;
+       orion5x_uart0_data[0].uartclk = orion5x_tclk;
+       orion5x_uart1_data[0].uartclk = orion5x_tclk;
 
        /*
         * Setup Orion address map