u-boot/arch/arm/include/asm/arch-bcm2835/wdog.h
Stephen Warren db75356f14 bcm2836 SoC support (used in Raspberry Pi 2 model B)
The bcm2835 and bcm2836 are essentially identical, except:
- The CPU is an ARM1176 v.s. a quad-core Cortex-A7.
- The physical address of many IO controllers has moved.

Rather than introducing a whole new bcm2836 value for $(SOC) or $(ARCH),
update the existing bcm2835 code to handle the minor differences, and
plumb it into the ARMv7 CPU architecture.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
2015-02-21 08:27:48 -05:00

30 lines
555 B
C

/*
* (C) Copyright 2012,2015 Stephen Warren
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef _BCM2835_TIMER_H
#define _BCM2835_TIMER_H
#ifdef CONFIG_BCM2836
#define BCM2835_WDOG_PHYSADDR 0x3f100000
#else
#define BCM2835_WDOG_PHYSADDR 0x20100000
#endif
struct bcm2835_wdog_regs {
u32 unknown0[7];
u32 rstc;
u32 unknown1;
u32 wdog;
};
#define BCM2835_WDOG_PASSWORD 0x5a000000
#define BCM2835_WDOG_RSTC_WRCFG_MASK 0x00000030
#define BCM2835_WDOG_RSTC_WRCFG_FULL_RESET 0x00000020
#define BCM2835_WDOG_WDOG_TIMEOUT_MASK 0x0000ffff
#endif