summaryrefslogtreecommitdiff
path: root/arch/arm/cpu
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r--arch/arm/cpu/arm1136/mx31/generic.c1
-rw-r--r--arch/arm/cpu/arm926ejs/mx27/generic.c35
2 files changed, 27 insertions, 9 deletions
diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c
index f458281..d60afc9 100644
--- a/arch/arm/cpu/arm1136/mx31/generic.c
+++ b/arch/arm/cpu/arm1136/mx31/generic.c
@@ -101,6 +101,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
case MXC_IPG_PERCLK:
case MXC_CSPI_CLK:
case MXC_UART_CLK:
+ case MXC_ESDHC_CLK:
return mx31_get_ipg_clk();
case MXC_IPU_CLK:
return mx31_get_hsp_clk();
diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
index 34c20e1..65c4813 100644
--- a/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
@@ -23,6 +23,7 @@
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
#ifdef CONFIG_MXC_MMC
#include <asm/arch/mxcmmc.h>
#endif
@@ -34,7 +35,7 @@
* f = 2 * f_ref * --------------------
* pd + 1
*/
-unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref)
+static unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref)
{
unsigned int mfi = (pll >> 10) & 0xf;
unsigned int mfn = pll & 0x3ff;
@@ -64,7 +65,7 @@ static ulong clk_in_26m(void)
}
}
-ulong imx_get_mpllclk(void)
+static ulong imx_get_mpllclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
@@ -78,7 +79,7 @@ ulong imx_get_mpllclk(void)
return imx_decode_pll(readl(&pll->mpctl0), fref);
}
-ulong imx_get_armclk(void)
+static ulong imx_get_armclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
@@ -93,7 +94,7 @@ ulong imx_get_armclk(void)
return lldiv(fref, div);
}
-ulong imx_get_ahbclk(void)
+static ulong imx_get_ahbclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
@@ -105,7 +106,7 @@ ulong imx_get_ahbclk(void)
return lldiv(fref * 2, 3 * div);
}
-ulong imx_get_spllclk(void)
+static __attribute__((unused)) ulong imx_get_spllclk(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
ulong cscr = readl(&pll->cscr);
@@ -124,34 +125,50 @@ static ulong imx_decode_perclk(ulong div)
return lldiv((imx_get_mpllclk() * 2), (div * 3));
}
-ulong imx_get_perclk1(void)
+static ulong imx_get_perclk1(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk((readl(&pll->pcdr1) & 0x3f) + 1);
}
-ulong imx_get_perclk2(void)
+static ulong imx_get_perclk2(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 8) & 0x3f) + 1);
}
-ulong imx_get_perclk3(void)
+static __attribute__((unused)) ulong imx_get_perclk3(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 16) & 0x3f) + 1);
}
-ulong imx_get_perclk4(void)
+static __attribute__((unused)) ulong imx_get_perclk4(void)
{
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
return imx_decode_perclk(((readl(&pll->pcdr1) >> 24) & 0x3f) + 1);
}
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+ switch (clk) {
+ case MXC_ARM_CLK:
+ return imx_get_armclk();
+ case MXC_UART_CLK:
+ return imx_get_perclk1();
+ case MXC_FEC_CLK:
+ return imx_get_ahbclk();
+ case MXC_ESDHC_CLK:
+ return imx_get_perclk2();
+ }
+ return -1;
+}
+
+
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo (void)
{