iMX28: Add APBH DMA driver

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>

3 files changed, 637 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-mx28/dma.h b/arch/arm/include/asm/arch-mx28/dma.h
new file mode 100644
index 0000000000..7061e7c2fe
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx28/dma.h
@@ -0,0 +1,170 @@
+/*
+ * Freescale i.MX28 APBH DMA
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * Based on code from LTIB:
+ * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#ifndef __DMA_H__
+#define __DMA_H__
+
+#include <linux/list.h>
+
+#ifndef	CONFIG_ARCH_DMA_PIO_WORDS
+#define	DMA_PIO_WORDS		15
+#else
+#define	DMA_PIO_WORDS		CONFIG_ARCH_DMA_PIO_WORDS
+#endif
+
+#define MXS_DMA_ALIGNMENT	32
+
+/*
+ * MXS DMA channels
+ */
+enum {
+	MXS_DMA_CHANNEL_AHB_APBH_SSP0 = 0,
+	MXS_DMA_CHANNEL_AHB_APBH_SSP1,
+	MXS_DMA_CHANNEL_AHB_APBH_SSP2,
+	MXS_DMA_CHANNEL_AHB_APBH_SSP3,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI0,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI1,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI2,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI3,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI4,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI5,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI6,
+	MXS_DMA_CHANNEL_AHB_APBH_GPMI7,
+	MXS_DMA_CHANNEL_AHB_APBH_SSP,
+	MXS_MAX_DMA_CHANNELS,
+};
+
+/*
+ * MXS DMA hardware command.
+ *
+ * This structure describes the in-memory layout of an entire DMA command,
+ * including space for the maximum number of PIO accesses. See the appropriate
+ * reference manual for a detailed description of what these fields mean to the
+ * DMA hardware.
+ */
+#define	MXS_DMA_DESC_COMMAND_MASK	0x3
+#define	MXS_DMA_DESC_COMMAND_OFFSET	0
+#define	MXS_DMA_DESC_COMMAND_NO_DMAXFER	0x0
+#define	MXS_DMA_DESC_COMMAND_DMA_WRITE	0x1
+#define	MXS_DMA_DESC_COMMAND_DMA_READ	0x2
+#define	MXS_DMA_DESC_COMMAND_DMA_SENSE	0x3
+#define	MXS_DMA_DESC_CHAIN		(1 << 2)
+#define	MXS_DMA_DESC_IRQ		(1 << 3)
+#define	MXS_DMA_DESC_NAND_LOCK		(1 << 4)
+#define	MXS_DMA_DESC_NAND_WAIT_4_READY	(1 << 5)
+#define	MXS_DMA_DESC_DEC_SEM		(1 << 6)
+#define	MXS_DMA_DESC_WAIT4END		(1 << 7)
+#define	MXS_DMA_DESC_HALT_ON_TERMINATE	(1 << 8)
+#define	MXS_DMA_DESC_TERMINATE_FLUSH	(1 << 9)
+#define	MXS_DMA_DESC_PIO_WORDS_MASK	(0xf << 12)
+#define	MXS_DMA_DESC_PIO_WORDS_OFFSET	12
+#define	MXS_DMA_DESC_BYTES_MASK		(0xffff << 16)
+#define	MXS_DMA_DESC_BYTES_OFFSET	16
+
+struct mxs_dma_cmd {
+	unsigned long		next;
+	unsigned long		data;
+	union {
+		dma_addr_t	address;
+		unsigned long	alternate;
+	};
+	unsigned long		pio_words[DMA_PIO_WORDS];
+};
+
+/*
+ * MXS DMA command descriptor.
+ *
+ * This structure incorporates an MXS DMA hardware command structure, along
+ * with metadata.
+ */
+#define	MXS_DMA_DESC_FIRST	(1 << 0)
+#define	MXS_DMA_DESC_LAST	(1 << 1)
+#define	MXS_DMA_DESC_READY	(1 << 31)
+
+struct mxs_dma_desc {
+	struct mxs_dma_cmd	cmd;
+	unsigned int		flags;
+	dma_addr_t		address;
+	void			*buffer;
+	struct list_head	node;
+};
+
+/**
+ * MXS DMA channel
+ *
+ * This structure represents a single DMA channel. The MXS platform code
+ * maintains an array of these structures to represent every DMA channel in the
+ * system (see mxs_dma_channels).
+ */
+#define	MXS_DMA_FLAGS_IDLE	0
+#define	MXS_DMA_FLAGS_BUSY	(1 << 0)
+#define	MXS_DMA_FLAGS_FREE	0
+#define	MXS_DMA_FLAGS_ALLOCATED	(1 << 16)
+#define	MXS_DMA_FLAGS_VALID	(1 << 31)
+
+struct mxs_dma_chan {
+	const char *name;
+	unsigned long dev;
+	struct mxs_dma_device *dma;
+	unsigned int flags;
+	unsigned int active_num;
+	unsigned int pending_num;
+	struct list_head active;
+	struct list_head done;
+};
+
+/* Hardware management ops */
+int mxs_dma_enable(int channel);
+int mxs_dma_disable(int channel);
+int mxs_dma_reset(int channel);
+int mxs_dma_freeze(int channel);
+int mxs_dma_unfreeze(int channel);
+int mxs_dma_read_semaphore(int channel);
+int mxs_dma_enable_irq(int channel, int enable);
+int mxs_dma_irq_is_pending(int channel);
+int mxs_dma_ack_irq(int channel);
+
+/* Channel management ops */
+int mxs_dma_request(int channel);
+int mxs_dma_release(int channel);
+
+/* Descriptor management ops */
+struct mxs_dma_desc *mxs_dma_desc_alloc(void);
+void mxs_dma_desc_free(struct mxs_dma_desc *);
+
+unsigned int mxs_dma_cmd_address(struct mxs_dma_desc *desc);
+int mxs_dma_desc_pending(struct mxs_dma_desc *pdesc);
+
+int mxs_dma_desc_append(int channel, struct mxs_dma_desc *pdesc);
+
+int mxs_dma_get_finished(int channel, struct list_head *head);
+int mxs_dma_finish(int channel, struct list_head *head);
+
+int mxs_dma_wait_complete(uint32_t timeout, unsigned int chan);
+int mxs_dma_go(int chan);
+
+int mxs_dma_init(void);
+
+#endif	/* __DMA_H__ */
diff --git a/arch/arm/include/asm/arch-mx28/imx-regs.h b/arch/arm/include/asm/arch-mx28/imx-regs.h
index 32bfd7e4dd..9561b5e485 100644
--- a/arch/arm/include/asm/arch-mx28/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx28/imx-regs.h
@@ -23,6 +23,7 @@
 #ifndef __IMX_REGS_H__
 #define __IMX_REGS_H__
 
+#include <asm/arch/regs-apbh.h>
 #include <asm/arch/regs-base.h>
 #include <asm/arch/regs-bch.h>
 #include <asm/arch/regs-clkctrl.h>
diff --git a/arch/arm/include/asm/arch-mx28/regs-apbh.h b/arch/arm/include/asm/arch-mx28/regs-apbh.h
new file mode 100644
index 0000000000..a7fa1ec1ca
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx28/regs-apbh.h
@@ -0,0 +1,466 @@
+/*
+ * Freescale i.MX28 APBH Register Definitions
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * Based on code from LTIB:
+ * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#ifndef __REGS_APBH_H__
+#define __REGS_APBH_H__
+
+#include <asm/arch/regs-common.h>
+
+#ifndef	__ASSEMBLY__
+struct mx28_apbh_regs {
+	mx28_reg(hw_apbh_ctrl0)
+	mx28_reg(hw_apbh_ctrl1)
+	mx28_reg(hw_apbh_ctrl2)
+	mx28_reg(hw_apbh_channel_ctrl)
+	mx28_reg(hw_apbh_devsel)
+	mx28_reg(hw_apbh_dma_burst_size)
+	mx28_reg(hw_apbh_debug)
+
+	uint32_t	reserved[36];
+
+	union {
+	struct {
+		mx28_reg(hw_apbh_ch_curcmdar)
+		mx28_reg(hw_apbh_ch_nxtcmdar)
+		mx28_reg(hw_apbh_ch_cmd)
+		mx28_reg(hw_apbh_ch_bar)
+		mx28_reg(hw_apbh_ch_sema)
+		mx28_reg(hw_apbh_ch_debug1)
+		mx28_reg(hw_apbh_ch_debug2)
+	} ch[16];
+	struct {
+		mx28_reg(hw_apbh_ch0_curcmdar)
+		mx28_reg(hw_apbh_ch0_nxtcmdar)
+		mx28_reg(hw_apbh_ch0_cmd)
+		mx28_reg(hw_apbh_ch0_bar)
+		mx28_reg(hw_apbh_ch0_sema)
+		mx28_reg(hw_apbh_ch0_debug1)
+		mx28_reg(hw_apbh_ch0_debug2)
+		mx28_reg(hw_apbh_ch1_curcmdar)
+		mx28_reg(hw_apbh_ch1_nxtcmdar)
+		mx28_reg(hw_apbh_ch1_cmd)
+		mx28_reg(hw_apbh_ch1_bar)
+		mx28_reg(hw_apbh_ch1_sema)
+		mx28_reg(hw_apbh_ch1_debug1)
+		mx28_reg(hw_apbh_ch1_debug2)
+		mx28_reg(hw_apbh_ch2_curcmdar)
+		mx28_reg(hw_apbh_ch2_nxtcmdar)
+		mx28_reg(hw_apbh_ch2_cmd)
+		mx28_reg(hw_apbh_ch2_bar)
+		mx28_reg(hw_apbh_ch2_sema)
+		mx28_reg(hw_apbh_ch2_debug1)
+		mx28_reg(hw_apbh_ch2_debug2)
+		mx28_reg(hw_apbh_ch3_curcmdar)
+		mx28_reg(hw_apbh_ch3_nxtcmdar)
+		mx28_reg(hw_apbh_ch3_cmd)
+		mx28_reg(hw_apbh_ch3_bar)
+		mx28_reg(hw_apbh_ch3_sema)
+		mx28_reg(hw_apbh_ch3_debug1)
+		mx28_reg(hw_apbh_ch3_debug2)
+		mx28_reg(hw_apbh_ch4_curcmdar)
+		mx28_reg(hw_apbh_ch4_nxtcmdar)
+		mx28_reg(hw_apbh_ch4_cmd)
+		mx28_reg(hw_apbh_ch4_bar)
+		mx28_reg(hw_apbh_ch4_sema)
+		mx28_reg(hw_apbh_ch4_debug1)
+		mx28_reg(hw_apbh_ch4_debug2)
+		mx28_reg(hw_apbh_ch5_curcmdar)
+		mx28_reg(hw_apbh_ch5_nxtcmdar)
+		mx28_reg(hw_apbh_ch5_cmd)
+		mx28_reg(hw_apbh_ch5_bar)
+		mx28_reg(hw_apbh_ch5_sema)
+		mx28_reg(hw_apbh_ch5_debug1)
+		mx28_reg(hw_apbh_ch5_debug2)
+		mx28_reg(hw_apbh_ch6_curcmdar)
+		mx28_reg(hw_apbh_ch6_nxtcmdar)
+		mx28_reg(hw_apbh_ch6_cmd)
+		mx28_reg(hw_apbh_ch6_bar)
+		mx28_reg(hw_apbh_ch6_sema)
+		mx28_reg(hw_apbh_ch6_debug1)
+		mx28_reg(hw_apbh_ch6_debug2)
+		mx28_reg(hw_apbh_ch7_curcmdar)
+		mx28_reg(hw_apbh_ch7_nxtcmdar)
+		mx28_reg(hw_apbh_ch7_cmd)
+		mx28_reg(hw_apbh_ch7_bar)
+		mx28_reg(hw_apbh_ch7_sema)
+		mx28_reg(hw_apbh_ch7_debug1)
+		mx28_reg(hw_apbh_ch7_debug2)
+		mx28_reg(hw_apbh_ch8_curcmdar)
+		mx28_reg(hw_apbh_ch8_nxtcmdar)
+		mx28_reg(hw_apbh_ch8_cmd)
+		mx28_reg(hw_apbh_ch8_bar)
+		mx28_reg(hw_apbh_ch8_sema)
+		mx28_reg(hw_apbh_ch8_debug1)
+		mx28_reg(hw_apbh_ch8_debug2)
+		mx28_reg(hw_apbh_ch9_curcmdar)
+		mx28_reg(hw_apbh_ch9_nxtcmdar)
+		mx28_reg(hw_apbh_ch9_cmd)
+		mx28_reg(hw_apbh_ch9_bar)
+		mx28_reg(hw_apbh_ch9_sema)
+		mx28_reg(hw_apbh_ch9_debug1)
+		mx28_reg(hw_apbh_ch9_debug2)
+		mx28_reg(hw_apbh_ch10_curcmdar)
+		mx28_reg(hw_apbh_ch10_nxtcmdar)
+		mx28_reg(hw_apbh_ch10_cmd)
+		mx28_reg(hw_apbh_ch10_bar)
+		mx28_reg(hw_apbh_ch10_sema)
+		mx28_reg(hw_apbh_ch10_debug1)
+		mx28_reg(hw_apbh_ch10_debug2)
+		mx28_reg(hw_apbh_ch11_curcmdar)
+		mx28_reg(hw_apbh_ch11_nxtcmdar)
+		mx28_reg(hw_apbh_ch11_cmd)
+		mx28_reg(hw_apbh_ch11_bar)
+		mx28_reg(hw_apbh_ch11_sema)
+		mx28_reg(hw_apbh_ch11_debug1)
+		mx28_reg(hw_apbh_ch11_debug2)
+		mx28_reg(hw_apbh_ch12_curcmdar)
+		mx28_reg(hw_apbh_ch12_nxtcmdar)
+		mx28_reg(hw_apbh_ch12_cmd)
+		mx28_reg(hw_apbh_ch12_bar)
+		mx28_reg(hw_apbh_ch12_sema)
+		mx28_reg(hw_apbh_ch12_debug1)
+		mx28_reg(hw_apbh_ch12_debug2)
+		mx28_reg(hw_apbh_ch13_curcmdar)
+		mx28_reg(hw_apbh_ch13_nxtcmdar)
+		mx28_reg(hw_apbh_ch13_cmd)
+		mx28_reg(hw_apbh_ch13_bar)
+		mx28_reg(hw_apbh_ch13_sema)
+		mx28_reg(hw_apbh_ch13_debug1)
+		mx28_reg(hw_apbh_ch13_debug2)
+		mx28_reg(hw_apbh_ch14_curcmdar)
+		mx28_reg(hw_apbh_ch14_nxtcmdar)
+		mx28_reg(hw_apbh_ch14_cmd)
+		mx28_reg(hw_apbh_ch14_bar)
+		mx28_reg(hw_apbh_ch14_sema)
+		mx28_reg(hw_apbh_ch14_debug1)
+		mx28_reg(hw_apbh_ch14_debug2)
+		mx28_reg(hw_apbh_ch15_curcmdar)
+		mx28_reg(hw_apbh_ch15_nxtcmdar)
+		mx28_reg(hw_apbh_ch15_cmd)
+		mx28_reg(hw_apbh_ch15_bar)
+		mx28_reg(hw_apbh_ch15_sema)
+		mx28_reg(hw_apbh_ch15_debug1)
+		mx28_reg(hw_apbh_ch15_debug2)
+	};
+	};
+	mx28_reg(hw_apbh_version)
+};
+#endif
+
+#define	APBH_CTRL0_SFTRST				(1 << 31)
+#define	APBH_CTRL0_CLKGATE				(1 << 30)
+#define	APBH_CTRL0_AHB_BURST8_EN			(1 << 29)
+#define	APBH_CTRL0_APB_BURST_EN				(1 << 28)
+#define	APBH_CTRL0_RSVD0_MASK				(0xfff << 16)
+#define	APBH_CTRL0_RSVD0_OFFSET				16
+#define	APBH_CTRL0_CLKGATE_CHANNEL_MASK			0xffff
+#define	APBH_CTRL0_CLKGATE_CHANNEL_OFFSET		0
+#define	APBH_CTRL0_CLKGATE_CHANNEL_SSP0			0x0001
+#define	APBH_CTRL0_CLKGATE_CHANNEL_SSP1			0x0002
+#define	APBH_CTRL0_CLKGATE_CHANNEL_SSP2			0x0004
+#define	APBH_CTRL0_CLKGATE_CHANNEL_SSP3			0x0008
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND0		0x0010
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND1		0x0020
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND2		0x0040
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND3		0x0080
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND4		0x0100
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND5		0x0200
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND6		0x0400
+#define	APBH_CTRL0_CLKGATE_CHANNEL_NAND7		0x0800
+#define	APBH_CTRL0_CLKGATE_CHANNEL_HSADC		0x1000
+#define	APBH_CTRL0_CLKGATE_CHANNEL_LCDIF		0x2000
+
+#define	APBH_CTRL1_CH15_CMDCMPLT_IRQ_EN			(1 << 31)
+#define	APBH_CTRL1_CH14_CMDCMPLT_IRQ_EN			(1 << 30)
+#define	APBH_CTRL1_CH13_CMDCMPLT_IRQ_EN			(1 << 29)
+#define	APBH_CTRL1_CH12_CMDCMPLT_IRQ_EN			(1 << 28)
+#define	APBH_CTRL1_CH11_CMDCMPLT_IRQ_EN			(1 << 27)
+#define	APBH_CTRL1_CH10_CMDCMPLT_IRQ_EN			(1 << 26)
+#define	APBH_CTRL1_CH9_CMDCMPLT_IRQ_EN			(1 << 25)
+#define	APBH_CTRL1_CH8_CMDCMPLT_IRQ_EN			(1 << 24)
+#define	APBH_CTRL1_CH7_CMDCMPLT_IRQ_EN			(1 << 23)
+#define	APBH_CTRL1_CH6_CMDCMPLT_IRQ_EN			(1 << 22)
+#define	APBH_CTRL1_CH5_CMDCMPLT_IRQ_EN			(1 << 21)
+#define	APBH_CTRL1_CH4_CMDCMPLT_IRQ_EN			(1 << 20)
+#define	APBH_CTRL1_CH3_CMDCMPLT_IRQ_EN			(1 << 19)
+#define	APBH_CTRL1_CH2_CMDCMPLT_IRQ_EN			(1 << 18)
+#define	APBH_CTRL1_CH1_CMDCMPLT_IRQ_EN			(1 << 17)
+#define	APBH_CTRL1_CH0_CMDCMPLT_IRQ_EN			(1 << 16)
+#define	APBH_CTRL1_CH_CMDCMPLT_IRQ_EN_OFFSET		16
+#define	APBH_CTRL1_CH_CMDCMPLT_IRQ_EN_MASK		(0xffff << 16)
+#define	APBH_CTRL1_CH15_CMDCMPLT_IRQ			(1 << 15)
+#define	APBH_CTRL1_CH14_CMDCMPLT_IRQ			(1 << 14)
+#define	APBH_CTRL1_CH13_CMDCMPLT_IRQ			(1 << 13)
+#define	APBH_CTRL1_CH12_CMDCMPLT_IRQ			(1 << 12)
+#define	APBH_CTRL1_CH11_CMDCMPLT_IRQ			(1 << 11)
+#define	APBH_CTRL1_CH10_CMDCMPLT_IRQ			(1 << 10)
+#define	APBH_CTRL1_CH9_CMDCMPLT_IRQ			(1 << 9)
+#define	APBH_CTRL1_CH8_CMDCMPLT_IRQ			(1 << 8)
+#define	APBH_CTRL1_CH7_CMDCMPLT_IRQ			(1 << 7)
+#define	APBH_CTRL1_CH6_CMDCMPLT_IRQ			(1 << 6)
+#define	APBH_CTRL1_CH5_CMDCMPLT_IRQ			(1 << 5)
+#define	APBH_CTRL1_CH4_CMDCMPLT_IRQ			(1 << 4)
+#define	APBH_CTRL1_CH3_CMDCMPLT_IRQ			(1 << 3)
+#define	APBH_CTRL1_CH2_CMDCMPLT_IRQ			(1 << 2)
+#define	APBH_CTRL1_CH1_CMDCMPLT_IRQ			(1 << 1)
+#define	APBH_CTRL1_CH0_CMDCMPLT_IRQ			(1 << 0)
+
+#define	APBH_CTRL2_CH15_ERROR_STATUS			(1 << 31)
+#define	APBH_CTRL2_CH14_ERROR_STATUS			(1 << 30)
+#define	APBH_CTRL2_CH13_ERROR_STATUS			(1 << 29)
+#define	APBH_CTRL2_CH12_ERROR_STATUS			(1 << 28)
+#define	APBH_CTRL2_CH11_ERROR_STATUS			(1 << 27)
+#define	APBH_CTRL2_CH10_ERROR_STATUS			(1 << 26)
+#define	APBH_CTRL2_CH9_ERROR_STATUS			(1 << 25)
+#define	APBH_CTRL2_CH8_ERROR_STATUS			(1 << 24)
+#define	APBH_CTRL2_CH7_ERROR_STATUS			(1 << 23)
+#define	APBH_CTRL2_CH6_ERROR_STATUS			(1 << 22)
+#define	APBH_CTRL2_CH5_ERROR_STATUS			(1 << 21)
+#define	APBH_CTRL2_CH4_ERROR_STATUS			(1 << 20)
+#define	APBH_CTRL2_CH3_ERROR_STATUS			(1 << 19)
+#define	APBH_CTRL2_CH2_ERROR_STATUS			(1 << 18)
+#define	APBH_CTRL2_CH1_ERROR_STATUS			(1 << 17)
+#define	APBH_CTRL2_CH0_ERROR_STATUS			(1 << 16)
+#define	APBH_CTRL2_CH15_ERROR_IRQ			(1 << 15)
+#define	APBH_CTRL2_CH14_ERROR_IRQ			(1 << 14)
+#define	APBH_CTRL2_CH13_ERROR_IRQ			(1 << 13)
+#define	APBH_CTRL2_CH12_ERROR_IRQ			(1 << 12)
+#define	APBH_CTRL2_CH11_ERROR_IRQ			(1 << 11)
+#define	APBH_CTRL2_CH10_ERROR_IRQ			(1 << 10)
+#define	APBH_CTRL2_CH9_ERROR_IRQ			(1 << 9)
+#define	APBH_CTRL2_CH8_ERROR_IRQ			(1 << 8)
+#define	APBH_CTRL2_CH7_ERROR_IRQ			(1 << 7)
+#define	APBH_CTRL2_CH6_ERROR_IRQ			(1 << 6)
+#define	APBH_CTRL2_CH5_ERROR_IRQ			(1 << 5)
+#define	APBH_CTRL2_CH4_ERROR_IRQ			(1 << 4)
+#define	APBH_CTRL2_CH3_ERROR_IRQ			(1 << 3)
+#define	APBH_CTRL2_CH2_ERROR_IRQ			(1 << 2)
+#define	APBH_CTRL2_CH1_ERROR_IRQ			(1 << 1)
+#define	APBH_CTRL2_CH0_ERROR_IRQ			(1 << 0)
+
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_MASK		(0xffff << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_OFFSET		16
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_SSP0		(0x0001 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_SSP1		(0x0002 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_SSP2		(0x0004 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_SSP3		(0x0008 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND0		(0x0010 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND1		(0x0020 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND2		(0x0040 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND3		(0x0080 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND4		(0x0100 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND5		(0x0200 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND6		(0x0400 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_NAND7		(0x0800 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_HSADC		(0x1000 << 16)
+#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_LCDIF		(0x2000 << 16)
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_MASK		0xffff
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_OFFSET		0
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_SSP0		0x0001
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_SSP1		0x0002
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_SSP2		0x0004
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_SSP3		0x0008
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND0		0x0010
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND1		0x0020
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND2		0x0040
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND3		0x0080
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND4		0x0100
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND5		0x0200
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND6		0x0400
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_NAND7		0x0800
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_HSADC		0x1000
+#define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_LCDIF		0x2000
+
+#define	APBH_DEVSEL_CH15_MASK				(0x3 << 30)
+#define	APBH_DEVSEL_CH15_OFFSET				30
+#define	APBH_DEVSEL_CH14_MASK				(0x3 << 28)
+#define	APBH_DEVSEL_CH14_OFFSET				28
+#define	APBH_DEVSEL_CH13_MASK				(0x3 << 26)
+#define	APBH_DEVSEL_CH13_OFFSET				26
+#define	APBH_DEVSEL_CH12_MASK				(0x3 << 24)
+#define	APBH_DEVSEL_CH12_OFFSET				24
+#define	APBH_DEVSEL_CH11_MASK				(0x3 << 22)
+#define	APBH_DEVSEL_CH11_OFFSET				22
+#define	APBH_DEVSEL_CH10_MASK				(0x3 << 20)
+#define	APBH_DEVSEL_CH10_OFFSET				20
+#define	APBH_DEVSEL_CH9_MASK				(0x3 << 18)
+#define	APBH_DEVSEL_CH9_OFFSET				18
+#define	APBH_DEVSEL_CH8_MASK				(0x3 << 16)
+#define	APBH_DEVSEL_CH8_OFFSET				16
+#define	APBH_DEVSEL_CH7_MASK				(0x3 << 14)
+#define	APBH_DEVSEL_CH7_OFFSET				14
+#define	APBH_DEVSEL_CH6_MASK				(0x3 << 12)
+#define	APBH_DEVSEL_CH6_OFFSET				12
+#define	APBH_DEVSEL_CH5_MASK				(0x3 << 10)
+#define	APBH_DEVSEL_CH5_OFFSET				10
+#define	APBH_DEVSEL_CH4_MASK				(0x3 << 8)
+#define	APBH_DEVSEL_CH4_OFFSET				8
+#define	APBH_DEVSEL_CH3_MASK				(0x3 << 6)
+#define	APBH_DEVSEL_CH3_OFFSET				6
+#define	APBH_DEVSEL_CH2_MASK				(0x3 << 4)
+#define	APBH_DEVSEL_CH2_OFFSET				4
+#define	APBH_DEVSEL_CH1_MASK				(0x3 << 2)
+#define	APBH_DEVSEL_CH1_OFFSET				2
+#define	APBH_DEVSEL_CH0_MASK				(0x3 << 0)
+#define	APBH_DEVSEL_CH0_OFFSET				0
+
+#define	APBH_DMA_BURST_SIZE_CH15_MASK			(0x3 << 30)
+#define	APBH_DMA_BURST_SIZE_CH15_OFFSET			30
+#define	APBH_DMA_BURST_SIZE_CH14_MASK			(0x3 << 28)
+#define	APBH_DMA_BURST_SIZE_CH14_OFFSET			28
+#define	APBH_DMA_BURST_SIZE_CH13_MASK			(0x3 << 26)
+#define	APBH_DMA_BURST_SIZE_CH13_OFFSET			26
+#define	APBH_DMA_BURST_SIZE_CH12_MASK			(0x3 << 24)
+#define	APBH_DMA_BURST_SIZE_CH12_OFFSET			24
+#define	APBH_DMA_BURST_SIZE_CH11_MASK			(0x3 << 22)
+#define	APBH_DMA_BURST_SIZE_CH11_OFFSET			22
+#define	APBH_DMA_BURST_SIZE_CH10_MASK			(0x3 << 20)
+#define	APBH_DMA_BURST_SIZE_CH10_OFFSET			20
+#define	APBH_DMA_BURST_SIZE_CH9_MASK			(0x3 << 18)
+#define	APBH_DMA_BURST_SIZE_CH9_OFFSET			18
+#define	APBH_DMA_BURST_SIZE_CH8_MASK			(0x3 << 16)
+#define	APBH_DMA_BURST_SIZE_CH8_OFFSET			16
+#define	APBH_DMA_BURST_SIZE_CH8_BURST0			(0x0 << 16)
+#define	APBH_DMA_BURST_SIZE_CH8_BURST4			(0x1 << 16)
+#define	APBH_DMA_BURST_SIZE_CH8_BURST8			(0x2 << 16)
+#define	APBH_DMA_BURST_SIZE_CH7_MASK			(0x3 << 14)
+#define	APBH_DMA_BURST_SIZE_CH7_OFFSET			14
+#define	APBH_DMA_BURST_SIZE_CH6_MASK			(0x3 << 12)
+#define	APBH_DMA_BURST_SIZE_CH6_OFFSET			12
+#define	APBH_DMA_BURST_SIZE_CH5_MASK			(0x3 << 10)
+#define	APBH_DMA_BURST_SIZE_CH5_OFFSET			10
+#define	APBH_DMA_BURST_SIZE_CH4_MASK			(0x3 << 8)
+#define	APBH_DMA_BURST_SIZE_CH4_OFFSET			8
+#define	APBH_DMA_BURST_SIZE_CH3_MASK			(0x3 << 6)
+#define	APBH_DMA_BURST_SIZE_CH3_OFFSET			6
+#define	APBH_DMA_BURST_SIZE_CH3_BURST0			(0x0 << 6)
+#define	APBH_DMA_BURST_SIZE_CH3_BURST4			(0x1 << 6)
+#define	APBH_DMA_BURST_SIZE_CH3_BURST8			(0x2 << 6)
+
+#define	APBH_DMA_BURST_SIZE_CH2_MASK			(0x3 << 4)
+#define	APBH_DMA_BURST_SIZE_CH2_OFFSET			4
+#define	APBH_DMA_BURST_SIZE_CH2_BURST0			(0x0 << 4)
+#define	APBH_DMA_BURST_SIZE_CH2_BURST4			(0x1 << 4)
+#define	APBH_DMA_BURST_SIZE_CH2_BURST8			(0x2 << 4)
+#define	APBH_DMA_BURST_SIZE_CH1_MASK			(0x3 << 2)
+#define	APBH_DMA_BURST_SIZE_CH1_OFFSET			2
+#define	APBH_DMA_BURST_SIZE_CH1_BURST0			(0x0 << 2)
+#define	APBH_DMA_BURST_SIZE_CH1_BURST4			(0x1 << 2)
+#define	APBH_DMA_BURST_SIZE_CH1_BURST8			(0x2 << 2)
+
+#define	APBH_DMA_BURST_SIZE_CH0_MASK			0x3
+#define	APBH_DMA_BURST_SIZE_CH0_OFFSET			0
+#define	APBH_DMA_BURST_SIZE_CH0_BURST0			0x0
+#define	APBH_DMA_BURST_SIZE_CH0_BURST4			0x1
+#define	APBH_DMA_BURST_SIZE_CH0_BURST8			0x2
+
+#define	APBH_DEBUG_GPMI_ONE_FIFO			(1 << 0)
+
+#define	APBH_CHn_CURCMDAR_CMD_ADDR_MASK			0xffffffff
+#define	APBH_CHn_CURCMDAR_CMD_ADDR_OFFSET		0
+
+#define	APBH_CHn_NXTCMDAR_CMD_ADDR_MASK			0xffffffff
+#define	APBH_CHn_NXTCMDAR_CMD_ADDR_OFFSET		0
+
+#define	APBH_CHn_CMD_XFER_COUNT_MASK			(0xffff << 16)
+#define	APBH_CHn_CMD_XFER_COUNT_OFFSET			16
+#define	APBH_CHn_CMD_CMDWORDS_MASK			(0xf << 12)
+#define	APBH_CHn_CMD_CMDWORDS_OFFSET			12
+#define	APBH_CHn_CMD_HALTONTERMINATE			(1 << 8)
+#define	APBH_CHn_CMD_WAIT4ENDCMD			(1 << 7)
+#define	APBH_CHn_CMD_SEMAPHORE				(1 << 6)
+#define	APBH_CHn_CMD_NANDWAIT4READY			(1 << 5)
+#define	APBH_CHn_CMD_NANDLOCK				(1 << 4)
+#define	APBH_CHn_CMD_IRQONCMPLT				(1 << 3)
+#define	APBH_CHn_CMD_CHAIN				(1 << 2)
+#define	APBH_CHn_CMD_COMMAND_MASK			0x3
+#define	APBH_CHn_CMD_COMMAND_OFFSET			0
+#define	APBH_CHn_CMD_COMMAND_NO_DMA_XFER		0x0
+#define	APBH_CHn_CMD_COMMAND_DMA_WRITE			0x1
+#define	APBH_CHn_CMD_COMMAND_DMA_READ			0x2
+#define	APBH_CHn_CMD_COMMAND_DMA_SENSE			0x3
+
+#define	APBH_CHn_BAR_ADDRESS_MASK			0xffffffff
+#define	APBH_CHn_BAR_ADDRESS_OFFSET			0
+
+#define	APBH_CHn_SEMA_RSVD2_MASK			(0xff << 24)
+#define	APBH_CHn_SEMA_RSVD2_OFFSET			24
+#define	APBH_CHn_SEMA_PHORE_MASK			(0xff << 16)
+#define	APBH_CHn_SEMA_PHORE_OFFSET			16
+#define	APBH_CHn_SEMA_RSVD1_MASK			(0xff << 8)
+#define	APBH_CHn_SEMA_RSVD1_OFFSET			8
+#define	APBH_CHn_SEMA_INCREMENT_SEMA_MASK		(0xff << 0)
+#define	APBH_CHn_SEMA_INCREMENT_SEMA_OFFSET		0
+
+#define	APBH_CHn_DEBUG1_REQ				(1 << 31)
+#define	APBH_CHn_DEBUG1_BURST				(1 << 30)
+#define	APBH_CHn_DEBUG1_KICK				(1 << 29)
+#define	APBH_CHn_DEBUG1_END				(1 << 28)
+#define	APBH_CHn_DEBUG1_SENSE				(1 << 27)
+#define	APBH_CHn_DEBUG1_READY				(1 << 26)
+#define	APBH_CHn_DEBUG1_LOCK				(1 << 25)
+#define	APBH_CHn_DEBUG1_NEXTCMDADDRVALID		(1 << 24)
+#define	APBH_CHn_DEBUG1_RD_FIFO_EMPTY			(1 << 23)
+#define	APBH_CHn_DEBUG1_RD_FIFO_FULL			(1 << 22)
+#define	APBH_CHn_DEBUG1_WR_FIFO_EMPTY			(1 << 21)
+#define	APBH_CHn_DEBUG1_WR_FIFO_FULL			(1 << 20)
+#define	APBH_CHn_DEBUG1_RSVD1_MASK			(0x7fff << 5)
+#define	APBH_CHn_DEBUG1_RSVD1_OFFSET			5
+#define	APBH_CHn_DEBUG1_STATEMACHINE_MASK		0x1f
+#define	APBH_CHn_DEBUG1_STATEMACHINE_OFFSET		0
+#define	APBH_CHn_DEBUG1_STATEMACHINE_IDLE		0x00
+#define	APBH_CHn_DEBUG1_STATEMACHINE_REQ_CMD1		0x01
+#define	APBH_CHn_DEBUG1_STATEMACHINE_REQ_CMD3		0x02
+#define	APBH_CHn_DEBUG1_STATEMACHINE_REQ_CMD2		0x03
+#define	APBH_CHn_DEBUG1_STATEMACHINE_XFER_DECODE	0x04
+#define	APBH_CHn_DEBUG1_STATEMACHINE_REQ_WAIT		0x05
+#define	APBH_CHn_DEBUG1_STATEMACHINE_REQ_CMD4		0x06
+#define	APBH_CHn_DEBUG1_STATEMACHINE_PIO_REQ		0x07
+#define	APBH_CHn_DEBUG1_STATEMACHINE_READ_FLUSH		0x08
+#define	APBH_CHn_DEBUG1_STATEMACHINE_READ_WAIT		0x09
+#define	APBH_CHn_DEBUG1_STATEMACHINE_WRITE		0x0c
+#define	APBH_CHn_DEBUG1_STATEMACHINE_READ_REQ		0x0d
+#define	APBH_CHn_DEBUG1_STATEMACHINE_CHECK_CHAIN	0x0e
+#define	APBH_CHn_DEBUG1_STATEMACHINE_XFER_COMPLETE	0x0f
+#define	APBH_CHn_DEBUG1_STATEMACHINE_TERMINATE		0x14
+#define	APBH_CHn_DEBUG1_STATEMACHINE_WAIT_END		0x15
+#define	APBH_CHn_DEBUG1_STATEMACHINE_WRITE_WAIT		0x1c
+#define	APBH_CHn_DEBUG1_STATEMACHINE_HALT_AFTER_TERM	0x1d
+#define	APBH_CHn_DEBUG1_STATEMACHINE_CHECK_WAIT		0x1e
+#define	APBH_CHn_DEBUG1_STATEMACHINE_WAIT_READY		0x1f
+
+#define	APBH_CHn_DEBUG2_APB_BYTES_MASK			(0xffff << 16)
+#define	APBH_CHn_DEBUG2_APB_BYTES_OFFSET		16
+#define	APBH_CHn_DEBUG2_AHB_BYTES_MASK			0xffff
+#define	APBH_CHn_DEBUG2_AHB_BYTES_OFFSET		0
+
+#define	APBH_VERSION_MAJOR_MASK				(0xff << 24)
+#define	APBH_VERSION_MAJOR_OFFSET			24
+#define	APBH_VERSION_MINOR_MASK				(0xff << 16)
+#define	APBH_VERSION_MINOR_OFFSET			16
+#define	APBH_VERSION_STEP_MASK				0xffff
+#define	APBH_VERSION_STEP_OFFSET			0
+
+#endif	/* __REGS_APBH_H__ */