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-rw-r--r--arch/arm/cpu/arm1136/mx31/generic.c1
-rw-r--r--arch/arm/cpu/arm926ejs/mx27/generic.c35
-rw-r--r--arch/arm/include/asm/arch-mx27/clock.h22
-rw-r--r--arch/arm/include/asm/arch-mx31/clock.h3
-rw-r--r--arch/arm/include/asm/arch-mx31/imx-regs.h11
-rw-r--r--arch/arm/include/asm/arch-mx31/sys_proto.h2
-rw-r--r--drivers/mmc/mxcmmc.c8
7 files changed, 53 insertions, 29 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)
{
diff --git a/arch/arm/include/asm/arch-mx27/clock.h b/arch/arm/include/asm/arch-mx27/clock.h
index 7e9c7aa..fd062d3 100644
--- a/arch/arm/include/asm/arch-mx27/clock.h
+++ b/arch/arm/include/asm/arch-mx27/clock.h
@@ -23,20 +23,16 @@
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
-unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref);
-ulong imx_get_mpllclk(void);
-ulong imx_get_armclk(void);
-ulong imx_get_spllclk(void);
-ulong imx_get_fclk(void);
-ulong imx_get_hclk(void);
-ulong imx_get_bclk(void);
-ulong imx_get_perclk1(void);
-ulong imx_get_perclk2(void);
-ulong imx_get_perclk3(void);
-ulong imx_get_ahbclk(void);
+enum mxc_clock {
+ MXC_ARM_CLK,
+ MXC_UART_CLK,
+ MXC_ESDHC_CLK,
+ MXC_FEC_CLK,
+};
-#define imx_get_uartclk imx_get_perclk1
-#define imx_get_fecclk imx_get_ahbclk
+unsigned int mxc_get_clock(enum mxc_clock clk);
+#define imx_get_uartclk() mxc_get_clock(MXC_UART_CLK)
+#define imx_get_fecclk() mxc_get_clock(MXC_FEC_CLK)
#endif /* __ASM_ARCH_CLOCK_H */
diff --git a/arch/arm/include/asm/arch-mx31/clock.h b/arch/arm/include/asm/arch-mx31/clock.h
index 253a0e1..852c19c 100644
--- a/arch/arm/include/asm/arch-mx31/clock.h
+++ b/arch/arm/include/asm/arch-mx31/clock.h
@@ -30,7 +30,8 @@ enum mxc_clock {
MXC_IPG_PERCLK,
MXC_CSPI_CLK,
MXC_UART_CLK,
- MXC_IPU_CLK
+ MXC_IPU_CLK,
+ MXC_ESDHC_CLK,
};
unsigned int mxc_get_clock(enum mxc_clock clk);
diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h
index 6a517dd..798cc74 100644
--- a/arch/arm/include/asm/arch-mx31/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx31/imx-regs.h
@@ -709,6 +709,13 @@ struct esdc_regs {
#define MUX_CTL_CSPI3_SPI_RDY 0x0e
#define MUX_CTL_CSPI3_MOSI 0x13
+#define MUX_CTL_SD1_DATA1 0x18
+#define MUX_CTL_SD1_DATA2 0x19
+#define MUX_CTL_SD1_DATA3 0x1a
+#define MUX_CTL_SD1_CMD 0x1d
+#define MUX_CTL_SD1_CLK 0x1e
+#define MUX_CTL_SD1_DATA0 0x1f
+
#define MUX_CTL_USBH2_DATA1 0x40
#define MUX_CTL_USBH2_DIR 0x44
#define MUX_CTL_USBH2_STP 0x45
@@ -855,6 +862,10 @@ struct esdc_regs {
*/
#define NFC_BASE_ADDR 0xB8000000
+/* SD card controller */
+#define SDHC1_BASE_ADDR 0x50004000
+#define SDHC2_BASE_ADDR 0x50008000
+
/*
* Internal RAM (16KB)
*/
diff --git a/arch/arm/include/asm/arch-mx31/sys_proto.h b/arch/arm/include/asm/arch-mx31/sys_proto.h
index 7600303..ded481c 100644
--- a/arch/arm/include/asm/arch-mx31/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx31/sys_proto.h
@@ -31,5 +31,5 @@ struct mxc_weimcs {
};
void mxc_setup_weimcs(int cs, const struct mxc_weimcs *weimcs);
-
+int mxc_mmc_init(bd_t *bis);
#endif
diff --git a/drivers/mmc/mxcmmc.c b/drivers/mmc/mxcmmc.c
index 8afb221..d58c18b 100644
--- a/drivers/mmc/mxcmmc.c
+++ b/drivers/mmc/mxcmmc.c
@@ -25,9 +25,7 @@
#include <mmc.h>
#include <asm/errno.h>
#include <asm/io.h>
-#ifdef CONFIG_MX27
#include <asm/arch/clock.h>
-#endif
#define DRIVER_NAME "mxc-mmc"
@@ -422,7 +420,7 @@ static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios)
{
unsigned int divider;
int prescaler = 0;
- unsigned long clk_in = imx_get_perclk2();
+ unsigned long clk_in = mxc_get_clock(MXC_ESDHC_CLK);
while (prescaler <= 0x800) {
for (divider = 1; divider <= 0xF; divider++) {
@@ -509,8 +507,8 @@ static int mxcmci_initialize(bd_t *bis)
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->f_min = imx_get_perclk2() >> 7;
- mmc->f_max = imx_get_perclk2() >> 1;
+ mmc->f_min = mxc_get_clock(MXC_ESDHC_CLK) >> 7;
+ mmc->f_max = mxc_get_clock(MXC_ESDHC_CLK) >> 1;
mmc->b_max = 0;
generated by cgit v1.1 at 2024-12-17 18:29:30 +0000