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Commit abd12fe4 authored by Shaohui Xie's avatar Shaohui Xie Committed by Kumar Gala
Browse files

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

arch/powerpc/sysdev/fsl_rio.c

+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 {