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Commit abd12fe4 authored by Shaohui Xie's avatar Shaohui Xie Committed by Kumar Gala
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fsl_rio: Add comments for sRIO registers.



Add some comments to make sRIO registers map better readable.

Signed-off-by: default avatarShaohui Xie <b21989@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 6249a26a
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+40 −25
Original line number Diff line number Diff line
@@ -117,44 +117,59 @@ struct rio_atmu_regs {
};

struct rio_msg_regs {
	u32 omr;
	u32 osr;
	u32 omr;	/* 0xD_3000 - Outbound message 0 mode register */
	u32 osr;	/* 0xD_3004 - Outbound message 0 status register */
	u32 pad1;
	u32 odqdpar;
	u32 odqdpar;	/* 0xD_300C - Outbound message 0 descriptor queue
			   dequeue pointer address register */
	u32 pad2;
	u32 osar;
	u32 odpr;
	u32 odatr;
	u32 odcr;
	u32 osar;	/* 0xD_3014 - Outbound message 0 source address
			   register */
	u32 odpr;	/* 0xD_3018 - Outbound message 0 destination port
			   register */
	u32 odatr;	/* 0xD_301C - Outbound message 0 destination attributes
			   Register*/
	u32 odcr;	/* 0xD_3020 - Outbound message 0 double-word count
			   register */
	u32 pad3;
	u32 odqepar;
	u32 odqepar;	/* 0xD_3028 - Outbound message 0 descriptor queue
			   enqueue pointer address register */
	u32 pad4[13];
	u32 imr;
	u32 isr;
	u32 imr;	/* 0xD_3060 - Inbound message 0 mode register */
	u32 isr;	/* 0xD_3064 - Inbound message 0 status register */
	u32 pad5;
	u32 ifqdpar;
	u32 ifqdpar;	/* 0xD_306C - Inbound message 0 frame queue dequeue
			   pointer address register*/
	u32 pad6;
	u32 ifqepar;
	u32 ifqepar;	/* 0xD_3074 - Inbound message 0 frame queue enqueue
			   pointer address register */
	u32 pad7[226];
	u32 odmr;
	u32 odsr;
	u32 odmr;	/* 0xD_3400 - Outbound doorbell mode register */
	u32 odsr;	/* 0xD_3404 - Outbound doorbell status register */
	u32 res0[4];
	u32 oddpr;
	u32 oddatr;
	u32 oddpr;	/* 0xD_3418 - Outbound doorbell destination port
			   register */
	u32 oddatr;	/* 0xD_341c - Outbound doorbell destination attributes
			   register */
	u32 res1[3];
	u32 odretcr;
	u32 odretcr;	/* 0xD_342C - Outbound doorbell retry error threshold
			   configuration register */
	u32 res2[12];
	u32 dmr;
	u32 dsr;
	u32 dmr;	/* 0xD_3460 - Inbound doorbell mode register */
	u32 dsr;	/* 0xD_3464 - Inbound doorbell status register */
	u32 pad8;
	u32 dqdpar;
	u32 dqdpar;	/* 0xD_346C - Inbound doorbell queue dequeue Pointer
			   address register */
	u32 pad9;
	u32 dqepar;
	u32 dqepar;	/* 0xD_3474 - Inbound doorbell Queue enqueue pointer
			   address register */
	u32 pad10[26];
	u32 pwmr;
	u32 pwsr;
	u32 epwqbar;
	u32 pwqbar;
	u32 pwmr;	/* 0xD_34E0 - Inbound port-write mode register */
	u32 pwsr;	/* 0xD_34E4 - Inbound port-write status register */
	u32 epwqbar;	/* 0xD_34E8 - Extended Port-Write Queue Base Address
			   register */
	u32 pwqbar;	/* 0xD_34EC - Inbound port-write queue base address
			   register */
};

struct rio_tx_desc {