mx5/6: Define default SoC input clock frequencies

Define default SoC input clock frequencies for i.MX5/6 in order to get rid of
duplicated definitions.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Jason Liu <r64343@freescale.com>
Cc: Matt Sealey <matt@genesi-usa.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>

5 files changed, 63 insertions, 42 deletions

diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c
index 8fa737a..171e562 100644
--- a/arch/arm/cpu/armv7/mx5/clock.c
+++ b/arch/arm/cpu/armv7/mx5/clock.c
@@ -69,7 +69,7 @@ struct fixed_pll_mfd {
 };
 
 const struct fixed_pll_mfd fixed_mfd[] = {
-	{CONFIG_SYS_MX5_HCLK, 24 * 16},
+	{MXC_HCLK, 24 * 16},
 };
 
 struct pll_param {
@@ -242,7 +242,7 @@ u32 get_mcu_main_clk(void)
 
 	reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >>
 		MXC_CCM_CACRR_ARM_PODF_OFFSET;
-	freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+	freq = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
 	return freq / (reg + 1);
 }
 
@@ -255,14 +255,14 @@ u32 get_periph_clk(void)
 
 	reg = __raw_readl(&mxc_ccm->cbcdr);
 	if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL))
-		return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_SYS_MX5_HCLK);
+		return decode_pll(mxc_plls[PLL2_CLOCK], MXC_HCLK);
 	reg = __raw_readl(&mxc_ccm->cbcmr);
 	switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
 		MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
 	case 0:
-		return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+		return decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
 	case 1:
-		return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_SYS_MX5_HCLK);
+		return decode_pll(mxc_plls[PLL3_CLOCK], MXC_HCLK);
 	default:
 		return 0;
 	}
@@ -317,16 +317,13 @@ static u32 get_uart_clk(void)
 	switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >>
 		MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) {
 	case 0x0:
-		freq = decode_pll(mxc_plls[PLL1_CLOCK],
-				    CONFIG_SYS_MX5_HCLK);
+		freq = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
 		break;
 	case 0x1:
-		freq = decode_pll(mxc_plls[PLL2_CLOCK],
-				    CONFIG_SYS_MX5_HCLK);
+		freq = decode_pll(mxc_plls[PLL2_CLOCK], MXC_HCLK);
 		break;
 	case 0x2:
-		freq = decode_pll(mxc_plls[PLL3_CLOCK],
-				    CONFIG_SYS_MX5_HCLK);
+		freq = decode_pll(mxc_plls[PLL3_CLOCK], MXC_HCLK);
 		break;
 	default:
 		return 66500000;
@@ -353,9 +350,9 @@ static u32 get_lp_apm(void)
 	u32 ccsr = __raw_readl(&mxc_ccm->ccsr);
 
 	if (((ccsr >> 9) & 1) == 0)
-		ret_val = CONFIG_SYS_MX5_HCLK;
+		ret_val = MXC_HCLK;
 	else
-		ret_val = ((32768 * 1024));
+		ret_val = MXC_CLK32 * 1024;
 
 	return ret_val;
 }
@@ -378,18 +375,15 @@ static u32 imx_get_cspiclk(void)
 
 	switch (clk_sel) {
 	case 0:
-		ret_val = decode_pll(mxc_plls[PLL1_CLOCK],
-					CONFIG_SYS_MX5_HCLK) /
+		ret_val = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK) /
 					((pre_pdf + 1) * (pdf + 1));
 		break;
 	case 1:
-		ret_val = decode_pll(mxc_plls[PLL2_CLOCK],
-					CONFIG_SYS_MX5_HCLK) /
+		ret_val = decode_pll(mxc_plls[PLL2_CLOCK], MXC_HCLK) /
 					((pre_pdf + 1) * (pdf + 1));
 		break;
 	case 2:
-		ret_val = decode_pll(mxc_plls[PLL3_CLOCK],
-					CONFIG_SYS_MX5_HCLK) /
+		ret_val = decode_pll(mxc_plls[PLL3_CLOCK], MXC_HCLK) /
 					((pre_pdf + 1) * (pdf + 1));
 		break;
 	default:
@@ -443,7 +437,7 @@ static u32 get_ddr_clk(void)
 		u32 ddr_clk_podf = (cbcdr & MXC_CCM_CBCDR_DDR_PODF_MASK) >> \
 					MXC_CCM_CBCDR_DDR_PODF_OFFSET;
 
-		ret_val = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+		ret_val = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
 		ret_val /= ddr_clk_podf + 1;
 
 		return ret_val;
@@ -489,8 +483,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
 	case MXC_CSPI_CLK:
 		return imx_get_cspiclk();
 	case MXC_FEC_CLK:
-		return decode_pll(mxc_plls[PLL1_CLOCK],
-				    CONFIG_SYS_MX5_HCLK);
+		return decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
 	case MXC_SATA_CLK:
 		return get_ahb_clk();
 	case MXC_DDR_CLK:
@@ -875,14 +868,14 @@ int do_mx5_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	u32 freq;
 
-	freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+	freq = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
 	printf("PLL1       %8d MHz\n", freq / 1000000);
-	freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_SYS_MX5_HCLK);
+	freq = decode_pll(mxc_plls[PLL2_CLOCK], MXC_HCLK);
 	printf("PLL2       %8d MHz\n", freq / 1000000);
-	freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_SYS_MX5_HCLK);
+	freq = decode_pll(mxc_plls[PLL3_CLOCK], MXC_HCLK);
 	printf("PLL3       %8d MHz\n", freq / 1000000);
 #ifdef	CONFIG_MX53
-	freq = decode_pll(mxc_plls[PLL4_CLOCK], CONFIG_SYS_MX5_HCLK);
+	freq = decode_pll(mxc_plls[PLL4_CLOCK], MXC_HCLK);
 	printf("PLL4       %8d MHz\n", freq / 1000000);
 #endif
 
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index 76486e7..a01d96f 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -110,7 +110,7 @@ static u32 get_mcu_main_clk(void)
 	reg = __raw_readl(&imx_ccm->cacrr);
 	reg &= MXC_CCM_CACRR_ARM_PODF_MASK;
 	reg >>= MXC_CCM_CACRR_ARM_PODF_OFFSET;
-	freq = decode_pll(PLL_SYS, CONFIG_SYS_MX6_HCLK);
+	freq = decode_pll(PLL_SYS, MXC_HCLK);
 
 	return freq / (reg + 1);
 }
@@ -127,11 +127,11 @@ u32 get_periph_clk(void)
 
 		switch (reg) {
 		case 0:
-			freq = decode_pll(PLL_USBOTG, CONFIG_SYS_MX6_HCLK);
+			freq = decode_pll(PLL_USBOTG, MXC_HCLK);
 			break;
 		case 1:
 		case 2:
-			freq = CONFIG_SYS_MX6_HCLK;
+			freq = MXC_HCLK;
 			break;
 		default:
 			break;
@@ -143,7 +143,7 @@ u32 get_periph_clk(void)
 
 		switch (reg) {
 		case 0:
-			freq = decode_pll(PLL_BUS, CONFIG_SYS_MX6_HCLK);
+			freq = decode_pll(PLL_BUS, MXC_HCLK);
 			break;
 		case 1:
 			freq = PLL2_PFD2_FREQ;
@@ -239,7 +239,7 @@ static u32 get_emi_slow_clk(void)
 		root_freq = get_axi_clk();
 		break;
 	case 1:
-		root_freq = decode_pll(PLL_USBOTG, CONFIG_SYS_MX6_HCLK);
+		root_freq = decode_pll(PLL_USBOTG, MXC_HCLK);
 		break;
 	case 2:
 		root_freq = PLL2_PFD2_FREQ;
@@ -311,7 +311,7 @@ u32 imx_get_uartclk(void)
 
 u32 imx_get_fecclk(void)
 {
-	return decode_pll(PLL_ENET, CONFIG_SYS_MX6_HCLK);
+	return decode_pll(PLL_ENET, MXC_HCLK);
 }
 
 int enable_sata_clock(void)
@@ -392,13 +392,13 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
 int do_mx6_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	u32 freq;
-	freq = decode_pll(PLL_SYS, CONFIG_SYS_MX6_HCLK);
+	freq = decode_pll(PLL_SYS, MXC_HCLK);
 	printf("PLL_SYS    %8d MHz\n", freq / 1000000);
-	freq = decode_pll(PLL_BUS, CONFIG_SYS_MX6_HCLK);
+	freq = decode_pll(PLL_BUS, MXC_HCLK);
 	printf("PLL_BUS    %8d MHz\n", freq / 1000000);
-	freq = decode_pll(PLL_USBOTG, CONFIG_SYS_MX6_HCLK);
+	freq = decode_pll(PLL_USBOTG, MXC_HCLK);
 	printf("PLL_OTG    %8d MHz\n", freq / 1000000);
-	freq = decode_pll(PLL_ENET, CONFIG_SYS_MX6_HCLK);
+	freq = decode_pll(PLL_ENET, MXC_HCLK);
 	printf("PLL_NET    %8d MHz\n", freq / 1000000);
 
 	printf("\n");
diff --git a/arch/arm/imx-common/timer.c b/arch/arm/imx-common/timer.c
index e2725e1..b021903 100644
--- a/arch/arm/imx-common/timer.c
+++ b/arch/arm/imx-common/timer.c
@@ -27,6 +27,7 @@
 #include <asm/io.h>
 #include <div64.h>
 #include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
 
 /* General purpose timers registers */
 struct mxc_gpt {
@@ -44,7 +45,6 @@ static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
 #define GPTCR_FRR		(1 << 9)	/* Freerun / restart */
 #define GPTCR_CLKSOURCE_32	(4 << 6)	/* Clock source */
 #define GPTCR_TEN		1		/* Timer enable */
-#define CLK_32KHZ		32768		/* 32Khz input */
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -54,14 +54,14 @@ DECLARE_GLOBAL_DATA_PTR;
 static inline unsigned long long tick_to_time(unsigned long long tick)
 {
 	tick *= CONFIG_SYS_HZ;
-	do_div(tick, CLK_32KHZ);
+	do_div(tick, MXC_CLK32);
 
 	return tick;
 }
 
 static inline unsigned long long us_to_tick(unsigned long long usec)
 {
-	usec = usec * CLK_32KHZ + 999999;
+	usec = usec * MXC_CLK32 + 999999;
 	do_div(usec, 1000000);
 
 	return usec;
@@ -86,7 +86,7 @@ int timer_init(void)
 	__raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
 
 	val = __raw_readl(&cur_gpt->counter);
-	lastinc = val / (CLK_32KHZ / CONFIG_SYS_HZ);
+	lastinc = val / (MXC_CLK32 / CONFIG_SYS_HZ);
 	timestamp = 0;
 
 	return 0;
@@ -114,7 +114,7 @@ ulong get_timer_masked(void)
 {
 	/*
 	 * get_ticks() returns a long long (64 bit), it wraps in
-	 * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+	 * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
 	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
 	 * 5 * 10^6 days - long enough.
 	 */
@@ -145,5 +145,5 @@ void __udelay(unsigned long usec)
  */
 ulong get_tbclk(void)
 {
-	return CLK_32KHZ;
+	return MXC_CLK32;
 }
diff --git a/arch/arm/include/asm/arch-mx5/clock.h b/arch/arm/include/asm/arch-mx5/clock.h
index 21febd8..82c5b1a 100644
--- a/arch/arm/include/asm/arch-mx5/clock.h
+++ b/arch/arm/include/asm/arch-mx5/clock.h
@@ -24,6 +24,20 @@
 #ifndef __ASM_ARCH_CLOCK_H
 #define __ASM_ARCH_CLOCK_H
 
+#include <common.h>
+
+#ifdef CONFIG_SYS_MX5_HCLK
+#define MXC_HCLK	CONFIG_SYS_MX5_HCLK
+#else
+#define MXC_HCLK	24000000
+#endif
+
+#ifdef CONFIG_SYS_MX5_CLK32
+#define MXC_CLK32	CONFIG_SYS_MX5_CLK32
+#else
+#define MXC_CLK32	32768
+#endif
+
 enum mxc_clock {
 	MXC_ARM_CLK = 0,
 	MXC_AHB_CLK,
diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h
index 2af04f0..db377cc 100644
--- a/arch/arm/include/asm/arch-mx6/clock.h
+++ b/arch/arm/include/asm/arch-mx6/clock.h
@@ -24,6 +24,20 @@
 #ifndef __ASM_ARCH_CLOCK_H
 #define __ASM_ARCH_CLOCK_H
 
+#include <common.h>
+
+#ifdef CONFIG_SYS_MX6_HCLK
+#define MXC_HCLK	CONFIG_SYS_MX6_HCLK
+#else
+#define MXC_HCLK	24000000
+#endif
+
+#ifdef CONFIG_SYS_MX6_CLK32
+#define MXC_CLK32	CONFIG_SYS_MX6_CLK32
+#else
+#define MXC_CLK32	32768
+#endif
+
 enum mxc_clock {
 	MXC_ARM_CLK = 0,
 	MXC_PER_CLK,