ARM: omap-common: Add standard access for board description EEPROM

[u-boot] / arch / arm / imx-common / iomux-v3.c

diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c
index e88e6e2a9881d0dcd00af5477453afe219ed79b1..228d5f8f1cb75c88a39c79794607072da8942bb9 100644 (file)
--- a/arch/arm/imx-common/iomux-v3.c
+++ b/arch/arm/imx-common/iomux-v3.c
@@ -11,10 +11,8 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/imx-regs.h>
-#if !defined(CONFIG_MX25) && !defined(CONFIG_VF610)
-#include <asm/arch/sys_proto.h>
-#endif
 #include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/sys_proto.h>
 
 static void *base = (void *)IOMUXC_BASE_ADDR;
 
@@ -41,7 +39,19 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
        }
 #endif
 
-       if (mux_ctrl_ofs)
+#ifdef CONFIG_IOMUX_LPSR
+       u32 lpsr = (pad & MUX_MODE_LPSR) >> MUX_MODE_SHIFT;
+
+       if (lpsr == IOMUX_CONFIG_LPSR) {
+               base = (void *)IOMUXC_LPSR_BASE_ADDR;
+               mux_mode &= ~IOMUX_CONFIG_LPSR;
+               /* set daisy chain sel_input */
+               if (sel_input_ofs)
+                       sel_input_ofs += IOMUX_LPSR_SEL_INPUT_OFS;
+       }
+#endif
+
+       if (is_soc_type(MXC_SOC_MX7) || mux_ctrl_ofs)
                __raw_writel(mux_mode, base + mux_ctrl_ofs);
 
        if (sel_input_ofs)
@@ -55,6 +65,12 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
        if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
                __raw_writel(pad_ctrl, base + pad_ctrl_ofs);
 #endif
+
+#ifdef CONFIG_IOMUX_LPSR
+       if (lpsr == IOMUX_CONFIG_LPSR)
+               base = (void *)IOMUXC_BASE_ADDR;
+#endif
+
 }
 
 /* configures a list of pads within declared with IOMUX_PADS macro */
@@ -92,3 +108,29 @@ void imx_iomux_set_gpr_register(int group, int start_bit,
        reg |= (value << start_bit);
        writel(reg, base + group * 4);
 }
+
+#ifdef CONFIG_IOMUX_SHARE_CONF_REG
+void imx_iomux_gpio_set_direction(unsigned int gpio,
+                               unsigned int direction)
+{
+       u32 reg;
+       /*
+        * Only on Vybrid the input/output buffer enable flags
+        * are part of the shared mux/conf register.
+        */
+       reg = readl(base + (gpio << 2));
+
+       if (direction)
+               reg |= 0x2;
+       else
+               reg &= ~0x2;
+
+       writel(reg, base + (gpio << 2));
+}
+
+void imx_iomux_gpio_get_function(unsigned int gpio, u32 *gpio_state)
+{
+       *gpio_state = readl(base + (gpio << 2)) &
+               ((0X07 << PAD_MUX_MODE_SHIFT) | PAD_CTL_OBE_IBE_ENABLE);
+}
+#endif