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authorAlison Wang <b18965@freescale.com>2013-05-27 22:55:41 +0000
committerStefano Babic <sbabic@denx.de>2013-06-03 10:56:53 +0200
commitcfd701b5f3eefc98cf699143d34e8a8b737b90a5 (patch)
treef3bf9f309b062a57c5f63360128642afc42e9d73
parent8c4983779ed50090b74d56498be17cde31892a64 (diff)
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arm: vf610: Add IOMUX support for Vybrid VF610
This patch adds the IOMUX support for Vybrid VF610 platform. There is a little difference for IOMUXC module between VF610 and i.MX platform, the muxmode and pad configuration share one 32bit register on VF610, but they are two independent registers on I.MX platform. A CONFIG_IOMUX_SHARE_CONFIG_REG was introduced to fit this difference. Signed-off-by: Alison Wang <b18965@freescale.com> Acked-by: Stefano Babic <sbabic@denx.de> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
-rw-r--r--arch/arm/imx-common/Makefile2
-rw-r--r--arch/arm/imx-common/iomux-v3.c6
-rw-r--r--arch/arm/include/asm/imx-common/iomux-v3.h18
3 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index 8bba8a5..9492326 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)libimx-common.o
-ifeq ($(SOC),$(filter $(SOC),mx25 mx35 mx5 mx6))
+ifeq ($(SOC),$(filter $(SOC),mx25 mx35 mx5 mx6 vf610))
COBJS-y = iomux-v3.o
endif
ifeq ($(SOC),$(filter $(SOC),mx5 mx6))
diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c
index 7fe5ce7..35880c7 100644
--- a/arch/arm/imx-common/iomux-v3.c
+++ b/arch/arm/imx-common/iomux-v3.c
@@ -48,8 +48,14 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
if (sel_input_ofs)
__raw_writel(sel_input, base + sel_input_ofs);
+#ifdef CONFIG_IOMUX_SHARE_CONF_REG
+ if (!(pad_ctrl & NO_PAD_CTRL))
+ __raw_writel((mux_mode << PAD_MUX_MODE_SHIFT) | pad_ctrl,
+ base + pad_ctrl_ofs);
+#else
if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
__raw_writel(pad_ctrl, base + pad_ctrl_ofs);
+#endif
}
void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list,
diff --git a/arch/arm/include/asm/imx-common/iomux-v3.h b/arch/arm/include/asm/imx-common/iomux-v3.h
index 0b4e763..ebf54cf 100644
--- a/arch/arm/include/asm/imx-common/iomux-v3.h
+++ b/arch/arm/include/asm/imx-common/iomux-v3.h
@@ -121,6 +121,24 @@ typedef u64 iomux_v3_cfg_t;
#define PAD_CTL_DSE_40ohm (6 << 3)
#define PAD_CTL_DSE_34ohm (7 << 3)
+#elif defined(CONFIG_VF610)
+
+#define PAD_MUX_MODE_SHIFT 20
+
+#define PAD_CTL_SPEED_MED (1 << 12)
+#define PAD_CTL_SPEED_HIGH (3 << 12)
+
+#define PAD_CTL_DSE_50ohm (3 << 6)
+#define PAD_CTL_DSE_25ohm (6 << 6)
+#define PAD_CTL_DSE_20ohm (7 << 6)
+
+#define PAD_CTL_PUS_47K_UP (1 << 4 | PAD_CTL_PUE)
+#define PAD_CTL_PUS_100K_UP (2 << 4 | PAD_CTL_PUE)
+#define PAD_CTL_PKE (1 << 3)
+#define PAD_CTL_PUE (1 << 2 | PAD_CTL_PKE)
+
+#define PAD_CTL_OBE_IBE_ENABLE (3 << 0)
+
#else
#define PAD_CTL_DVS (1 << 13)