From 5956d4bfc26e39181a166b144a68a1a6ef98ae92 Mon Sep 17 00:00:00 2001
From: Nicolas Thill <nico@openwrt.org>
Date: Tue, 4 Sep 2007 10:27:32 +0000
Subject: [PATCH] use constant for clock values (closes: #2306)
SVN-Revision: 8607
---
.../linux/ar7-2.6/files/arch/mips/ar7/clock.c | 30 ++++++++-----------
.../ar7-2.6/files/include/asm-mips/ar7/ar7.h | 5 ++++
2 files changed, 18 insertions(+), 17 deletions(-)
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 a8b70b0237..f51c641a3d 100644
--- 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 49e66ff3af..ae1d4192bf 100644
--- 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;
--
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