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https://github.com/edk2-porting/linux-next.git
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b920de1b77
Add architecture support for the MN10300/AM33 CPUs produced by MEI to the kernel. This patch also adds board support for the ASB2303 with the ASB2308 daughter board, and the ASB2305. The only processor supported is the MN103E010, which is an AM33v2 core plus on-chip devices. [akpm@linux-foundation.org: nuke cvs control strings] Signed-off-by: Masakazu Urade <urade.masakazu@jp.panasonic.com> Signed-off-by: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
102 lines
4.6 KiB
C
102 lines
4.6 KiB
C
/* MN10300 on-board DMA controller registers
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_DMACTL_REGS_H
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#define _ASM_DMACTL_REGS_H
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#include <asm/cpu-regs.h>
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#ifdef __KERNEL__
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/* DMA registers */
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#define DMxCTR(N) __SYSREG(0xd2000000 + ((N) * 0x100), u32) /* control reg */
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#define DMxCTR_BG 0x0000001f /* transfer request source */
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#define DMxCTR_BG_SOFT 0x00000000 /* - software source */
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#define DMxCTR_BG_SC0TX 0x00000002 /* - serial port 0 transmission */
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#define DMxCTR_BG_SC0RX 0x00000003 /* - serial port 0 reception */
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#define DMxCTR_BG_SC1TX 0x00000004 /* - serial port 1 transmission */
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#define DMxCTR_BG_SC1RX 0x00000005 /* - serial port 1 reception */
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#define DMxCTR_BG_SC2TX 0x00000006 /* - serial port 2 transmission */
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#define DMxCTR_BG_SC2RX 0x00000007 /* - serial port 2 reception */
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#define DMxCTR_BG_TM0UFLOW 0x00000008 /* - timer 0 underflow */
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#define DMxCTR_BG_TM1UFLOW 0x00000009 /* - timer 1 underflow */
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#define DMxCTR_BG_TM2UFLOW 0x0000000a /* - timer 2 underflow */
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#define DMxCTR_BG_TM3UFLOW 0x0000000b /* - timer 3 underflow */
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#define DMxCTR_BG_TM6ACMPCAP 0x0000000c /* - timer 6A compare/capture */
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#define DMxCTR_BG_AFE 0x0000000d /* - analogue front-end interrupt source */
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#define DMxCTR_BG_ADC 0x0000000e /* - A/D conversion end interrupt source */
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#define DMxCTR_BG_IRDA 0x0000000f /* - IrDA interrupt source */
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#define DMxCTR_BG_RTC 0x00000010 /* - RTC interrupt source */
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#define DMxCTR_BG_XIRQ0 0x00000011 /* - XIRQ0 pin interrupt source */
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#define DMxCTR_BG_XIRQ1 0x00000012 /* - XIRQ1 pin interrupt source */
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#define DMxCTR_BG_XDMR0 0x00000013 /* - external request 0 source (XDMR0 pin) */
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#define DMxCTR_BG_XDMR1 0x00000014 /* - external request 1 source (XDMR1 pin) */
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#define DMxCTR_SAM 0x000000e0 /* DMA transfer src addr mode */
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#define DMxCTR_SAM_INCR 0x00000000 /* - increment */
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#define DMxCTR_SAM_DECR 0x00000020 /* - decrement */
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#define DMxCTR_SAM_FIXED 0x00000040 /* - fixed */
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#define DMxCTR_DAM 0x00000000 /* DMA transfer dest addr mode */
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#define DMxCTR_DAM_INCR 0x00000000 /* - increment */
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#define DMxCTR_DAM_DECR 0x00000100 /* - decrement */
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#define DMxCTR_DAM_FIXED 0x00000200 /* - fixed */
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#define DMxCTR_TM 0x00001800 /* DMA transfer mode */
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#define DMxCTR_TM_BATCH 0x00000000 /* - batch transfer */
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#define DMxCTR_TM_INTERM 0x00001000 /* - intermittent transfer */
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#define DMxCTR_UT 0x00006000 /* DMA transfer unit */
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#define DMxCTR_UT_1 0x00000000 /* - 1 byte */
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#define DMxCTR_UT_2 0x00002000 /* - 2 byte */
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#define DMxCTR_UT_4 0x00004000 /* - 4 byte */
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#define DMxCTR_UT_16 0x00006000 /* - 16 byte */
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#define DMxCTR_TEN 0x00010000 /* DMA channel transfer enable */
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#define DMxCTR_RQM 0x00060000 /* external request input source mode */
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#define DMxCTR_RQM_FALLEDGE 0x00000000 /* - falling edge */
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#define DMxCTR_RQM_RISEEDGE 0x00020000 /* - rising edge */
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#define DMxCTR_RQM_LOLEVEL 0x00040000 /* - low level */
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#define DMxCTR_RQM_HILEVEL 0x00060000 /* - high level */
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#define DMxCTR_RQF 0x01000000 /* DMA transfer request flag */
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#define DMxCTR_XEND 0x80000000 /* DMA transfer end flag */
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#define DMxSRC(N) __SYSREG(0xd2000004 + ((N) * 0x100), u32) /* control reg */
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#define DMxDST(N) __SYSREG(0xd2000008 + ((N) * 0x100), u32) /* src addr reg */
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#define DMxSIZ(N) __SYSREG(0xd200000c + ((N) * 0x100), u32) /* dest addr reg */
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#define DMxSIZ_CT 0x000fffff /* number of bytes to transfer */
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#define DMxCYC(N) __SYSREG(0xd2000010 + ((N) * 0x100), u32) /* intermittent
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* size reg */
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#define DMxCYC_CYC 0x000000ff /* number of interrmittent transfers -1 */
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#define DM0IRQ 16 /* DMA channel 0 complete IRQ */
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#define DM1IRQ 17 /* DMA channel 1 complete IRQ */
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#define DM2IRQ 18 /* DMA channel 2 complete IRQ */
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#define DM3IRQ 19 /* DMA channel 3 complete IRQ */
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#define DM0ICR GxICR(DM0IRQ) /* DMA channel 0 complete intr ctrl reg */
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#define DM1ICR GxICR(DM0IR1) /* DMA channel 1 complete intr ctrl reg */
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#define DM2ICR GxICR(DM0IR2) /* DMA channel 2 complete intr ctrl reg */
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#define DM3ICR GxICR(DM0IR3) /* DMA channel 3 complete intr ctrl reg */
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#ifndef __ASSEMBLY__
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struct mn10300_dmactl_regs {
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u32 ctr;
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const void *src;
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void *dst;
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u32 siz;
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u32 cyc;
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} __attribute__((aligned(0x100)));
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _ASM_DMACTL_REGS_H */
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