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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/linux/amba/kmi.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/linux/amba/kmi.h')
-rw-r--r-- | kernel/include/linux/amba/kmi.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/kernel/include/linux/amba/kmi.h b/kernel/include/linux/amba/kmi.h new file mode 100644 index 000000000..a39e5be75 --- /dev/null +++ b/kernel/include/linux/amba/kmi.h @@ -0,0 +1,92 @@ +/* + * linux/include/asm-arm/hardware/amba_kmi.h + * + * Internal header file for AMBA KMI ports + * + * Copyright (C) 2000 Deep Blue Solutions Ltd. + * + * 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 + * + * + * --------------------------------------------------------------------------- + * From ARM PrimeCell(tm) PS2 Keyboard/Mouse Interface (PL050) Technical + * Reference Manual - ARM DDI 0143B - see http://www.arm.com/ + * --------------------------------------------------------------------------- + */ +#ifndef ASM_ARM_HARDWARE_AMBA_KMI_H +#define ASM_ARM_HARDWARE_AMBA_KMI_H + +/* + * KMI control register: + * KMICR_TYPE 0 = PS2/AT mode, 1 = No line control bit mode + * KMICR_RXINTREN 1 = enable RX interrupts + * KMICR_TXINTREN 1 = enable TX interrupts + * KMICR_EN 1 = enable KMI + * KMICR_FD 1 = force KMI data low + * KMICR_FC 1 = force KMI clock low + */ +#define KMICR (KMI_BASE + 0x00) +#define KMICR_TYPE (1 << 5) +#define KMICR_RXINTREN (1 << 4) +#define KMICR_TXINTREN (1 << 3) +#define KMICR_EN (1 << 2) +#define KMICR_FD (1 << 1) +#define KMICR_FC (1 << 0) + +/* + * KMI status register: + * KMISTAT_TXEMPTY 1 = transmitter register empty + * KMISTAT_TXBUSY 1 = currently sending data + * KMISTAT_RXFULL 1 = receiver register ready to be read + * KMISTAT_RXBUSY 1 = currently receiving data + * KMISTAT_RXPARITY parity of last databyte received + * KMISTAT_IC current level of KMI clock input + * KMISTAT_ID current level of KMI data input + */ +#define KMISTAT (KMI_BASE + 0x04) +#define KMISTAT_TXEMPTY (1 << 6) +#define KMISTAT_TXBUSY (1 << 5) +#define KMISTAT_RXFULL (1 << 4) +#define KMISTAT_RXBUSY (1 << 3) +#define KMISTAT_RXPARITY (1 << 2) +#define KMISTAT_IC (1 << 1) +#define KMISTAT_ID (1 << 0) + +/* + * KMI data register + */ +#define KMIDATA (KMI_BASE + 0x08) + +/* + * KMI clock divisor: to generate 8MHz internal clock + * div = (ref / 8MHz) - 1; 0 <= div <= 15 + */ +#define KMICLKDIV (KMI_BASE + 0x0c) + +/* + * KMI interrupt register: + * KMIIR_TXINTR 1 = transmit interrupt asserted + * KMIIR_RXINTR 1 = receive interrupt asserted + */ +#define KMIIR (KMI_BASE + 0x10) +#define KMIIR_TXINTR (1 << 1) +#define KMIIR_RXINTR (1 << 0) + +/* + * The size of the KMI primecell + */ +#define KMI_SIZE (0x100) + +#endif |