upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/include/asm/arch-spear/spr_gpt.h

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2.1 KiB

/*
* (C) Copyright 2009
* Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 _SPR_GPT_H
#define _SPR_GPT_H
struct gpt_regs {
u8 reserved[0x80];
u32 control;
u32 status;
u32 compare;
u32 count;
u32 capture_re;
u32 capture_fe;
};
/*
* TIMER_CONTROL register settings
*/
#define GPT_PRESCALER_MASK 0x000F
#define GPT_PRESCALER_1 0x0000
#define GPT_PRESCALER_2 0x0001
#define GPT_PRESCALER_4 0x0002
#define GPT_PRESCALER_8 0x0003
#define GPT_PRESCALER_16 0x0004
#define GPT_PRESCALER_32 0x0005
#define GPT_PRESCALER_64 0x0006
#define GPT_PRESCALER_128 0x0007
#define GPT_PRESCALER_256 0x0008
#define GPT_MODE_SINGLE_SHOT 0x0010
#define GPT_MODE_AUTO_RELOAD 0x0000
#define GPT_ENABLE 0x0020
#define GPT_CAPT_MODE_MASK 0x00C0
#define GPT_CAPT_MODE_NONE 0x0000
#define GPT_CAPT_MODE_RE 0x0040
#define GPT_CAPT_MODE_FE 0x0080
#define GPT_CAPT_MODE_BOTH 0x00C0
#define GPT_INT_MATCH 0x0100
#define GPT_INT_FE 0x0200
#define GPT_INT_RE 0x0400
/*
* TIMER_STATUS register settings
*/
#define GPT_STS_MATCH 0x0001
#define GPT_STS_FE 0x0002
#define GPT_STS_RE 0x0004
/*
* TIMER_COMPARE register settings
*/
#define GPT_FREE_RUNNING 0xFFFF
/* Timer, HZ specific defines */
#define CONFIG_SPEAR_HZ (1000)
#define CONFIG_SPEAR_HZ_CLOCK (8300000)
#endif