use constant for clock values (closes: #2306)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8607 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/clock.c b/target/linux/ar7-2.6/files/arch/mips/ar7/clock.c
index a8b70b0..f51c641 100644 (file)
--- a/target/linux/ar7-2.6/files/arch/mips/ar7/clock.c
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/clock.c
@@ -92,10 +92,6 @@ struct tnetd7200_clocks {
        struct tnetd7200_clock usb;
 } __attribute__ ((packed));
 
-int ar7_afe_clock = 35328000;
-int ar7_ref_clock = 25000000;
-int ar7_xtal_clock = 24000000;
-
 int ar7_cpu_clock = 150000000;
 EXPORT_SYMBOL(ar7_cpu_clock);
 int ar7_bus_clock = 125000000;
@@ -182,7 +178,7 @@ static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock,
        u32 *bootcr, u32 bus_clock)
 {
        int product;
-       int base_clock = ar7_ref_clock;
+       int base_clock = AR7_REF_CLOCK;
        u32 ctrl = clock->ctrl;
        u32 pll = clock->pll;
        int prediv = ((ctrl & PREDIV_MASK) >> PREDIV_SHIFT) + 1;
@@ -195,10 +191,10 @@ static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock,
                base_clock = bus_clock;
                break;
        case BOOT_PLL_SOURCE_REF:
-               base_clock = ar7_ref_clock;
+               base_clock = AR7_REF_CLOCK;
                break;
        case BOOT_PLL_SOURCE_XTAL:
-               base_clock = ar7_xtal_clock;
+               base_clock = AR7_XTAL_CLOCK;
                break;
        case BOOT_PLL_SOURCE_CPU:
                base_clock = ar7_cpu_clock;
@@ -236,10 +232,10 @@ static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock,
                base_clock = ar7_bus_clock;
                break;
        case BOOT_PLL_SOURCE_REF:
-               base_clock = ar7_ref_clock;
+               base_clock = AR7_REF_CLOCK;
                break;
        case BOOT_PLL_SOURCE_XTAL:
-               base_clock = ar7_xtal_clock;
+               base_clock = AR7_XTAL_CLOCK;
                break;
        case BOOT_PLL_SOURCE_CPU:
                base_clock = ar7_cpu_clock;
@@ -264,11 +260,11 @@ static void __init tnetd7300_init_clocks(void)
        struct tnetd7300_clocks *clocks = (struct tnetd7300_clocks *)ioremap_nocache(AR7_REGS_POWER + 0x20, sizeof(struct tnetd7300_clocks)); 
 
        ar7_bus_clock = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT, 
-               &clocks->bus, bootcr, ar7_afe_clock);
+               &clocks->bus, bootcr, AR7_AFE_CLOCK);
 
        if (*bootcr & BOOT_PLL_ASYNC_MODE) {
                ar7_cpu_clock = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT, 
-                       &clocks->cpu, bootcr, ar7_afe_clock);
+                       &clocks->cpu, bootcr, AR7_AFE_CLOCK);
        } else {
                ar7_cpu_clock = ar7_bus_clock;
        }
@@ -334,23 +330,23 @@ static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr)
                // Async
                switch (clock_id) {
                case TNETD7200_CLOCK_ID_DSP:
-                       return ar7_ref_clock;
+                       return AR7_REF_CLOCK;
                default:
-                       return ar7_afe_clock;
-               }
+                       return AR7_AFE_CLOCK;
+               }
        } else {
                // Sync
                if (*bootcr & BOOT_PLL_2TO1_MODE) {
                        // 2:1
                        switch (clock_id) {
                        case TNETD7200_CLOCK_ID_DSP:
-                               return ar7_ref_clock;
+                               return AR7_REF_CLOCK;
                        default:
-                               return ar7_afe_clock;
+                               return AR7_AFE_CLOCK;
                        }
                } else {
                        // 1:1
-                       return ar7_ref_clock;
+                       return AR7_REF_CLOCK;
                }
        }
 }

diff --git a/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h b/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h
index 49e66ff..ae1d419 100644 (file)
--- a/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h
+++ b/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h
@@ -66,6 +66,11 @@
 #define AR7_IRQ_UART0  15
 #define AR7_IRQ_UART1  16
 
+/* Clocks */
+#define AR7_AFE_CLOCK  35328000
+#define AR7_REF_CLOCK  25000000
+#define AR7_XTAL_CLOCK 24000000
+
 struct plat_cpmac_data {
        int reset_bit;
        int power_bit;