u-boot/board/xilinx/microblaze-generic/microblaze-generic.c
Michal Simek 656185a5d7 microblaze: Use standard functions for memory decoding
The standard function is less error prone than custom one.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-11-26 10:50:55 +01:00

93 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2007-2018 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*/
/*
* This is a board specific file. It's OK to include board specific
* header files
*/
#include <common.h>
#include <config.h>
#include <dm.h>
#include <dm/lists.h>
#include <fdtdec.h>
#include <asm/processor.h>
#include <asm/microblaze_intc.h>
#include <asm/asm.h>
#include <asm/gpio.h>
#include <dm/uclass.h>
#include <wdt.h>
DECLARE_GLOBAL_DATA_PTR;
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
static struct udevice *watchdog_dev;
#endif /* !CONFIG_SPL_BUILD && CONFIG_WDT */
ulong ram_base;
int dram_init_banksize(void)
{
return fdtdec_setup_memory_banksize();
}
int dram_init(void)
{
if (fdtdec_setup_mem_size_base() != 0)
return -EINVAL;
return 0;
};
#ifdef CONFIG_WDT
/* Called by macro WATCHDOG_RESET */
void watchdog_reset(void)
{
#if !defined(CONFIG_SPL_BUILD)
ulong now;
static ulong next_reset;
if (!watchdog_dev)
return;
now = timer_get_us();
/* Do not reset the watchdog too often */
if (now > next_reset) {
wdt_reset(watchdog_dev);
next_reset = now + 1000;
}
#endif /* !CONFIG_SPL_BUILD */
}
#endif /* CONFIG_WDT */
int board_late_init(void)
{
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
watchdog_dev = NULL;
if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev)) {
debug("Watchdog: Not found by seq!\n");
if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
puts("Watchdog: Not found!\n");
return 0;
}
}
wdt_start(watchdog_dev, 0, 0);
puts("Watchdog: Started\n");
#endif /* !CONFIG_SPL_BUILD && CONFIG_WDT */
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_SYSRESET_MICROBLAZE)
int ret;
ret = device_bind_driver(gd->dm_root, "mb_soft_reset",
"reset_soft", NULL);
if (ret)
printf("Warning: No reset driver: ret=%d\n", ret);
#endif
return 0;
}