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authorTom Rini <trini@konsulko.com>2018-07-19 11:48:33 -0400
committerTom Rini <trini@konsulko.com>2018-07-19 11:48:33 -0400
commitf7e48c54b246c460503e90315d0cd50ccbd586c6 (patch)
tree836d7fd9f833b285645a33e457b74be6110a0e08 /board/xilinx/microblaze-generic
parent1adbf2966adebe67de3dd17094749d387604194e (diff)
parent577012da71ea9dcf07272c7f458218aa8ab29984 (diff)
Merge tag 'xilinx-for-v2018.09' of git://git.denx.de/u-boot-microblaze
Xilinx changes for v2018.09 clk: - Fix zynqmp clock driver common: - Handle CMD_RET_USAGE in cmd_process_error - Use return macros in cmd_process_error - Fix duplication of CONFIG_SYS_PROMPT_HUSH_PS2 - Support watchdog in usb_kbd.c - Fix name usage in usb_kbd.c - Support systems with non zero memory start initialized from DT only gpio: - Add support for manual relocation in uclass - zynq - use live tree - zynq - fix match data reading - zynq - setup bank name - xilinx - convert driver to DM microblaze: - Use generic iounmap/ioremap implementations - Redesign reset logic with sysreset features - Use watchdog and gpio over DM - Remove unused macros and fix some checkpatch issues - Fix timer initialization not to be called twice serial: - zynq - Use platdata intead of priv data sysreset: - Add support for manual relocation in uclass - Add gpio-restart driver - Add microblaze soft reset driver watchdog: - Add support for aliases in uclass - Add support for manual relocation in uclass - Convert xilinx driver to DM - cadence - update info in the driver and not stop wdt in probe xilinx: - Enable LED gpio for some targets with gpio-leds DT node - Setup variables via Kconfig zynq: - Add support for watchdog aliases - Add support for mini nand/nor configurations - Wire FPGA initalization in SPL zynqmp: - Enable mass storage for zcu100 - Handle external pmufw files - Add support for secure images - Some Kconfig movements and alignments - Add support for watchdog aliases - Use subcommands style for platform command - Add mmio_read/write platform commands - DT updates - Add support for mini qspi configuration
Diffstat (limited to 'board/xilinx/microblaze-generic')
-rw-r--r--board/xilinx/microblaze-generic/microblaze-generic.c81
-rw-r--r--board/xilinx/microblaze-generic/xparameters.h9
2 files changed, 50 insertions, 40 deletions
diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index 58ca1d715d..44fb48b347 100644
--- a/board/xilinx/microblaze-generic/microblaze-generic.c
+++ b/board/xilinx/microblaze-generic/microblaze-generic.c
@@ -1,26 +1,32 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * (C) Copyright 2007 Michal Simek
+ * (C) Copyright 2007-2018 Michal Simek
*
- * Michal SIMEK <monstr@monstr.eu>
+ * Michal SIMEK <monstr@monstr.eu>
*/
-/* This is a board specific file. It's OK to include board specific
- * header files */
+/*
+ * 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;
-#ifdef CONFIG_XILINX_GPIO
-static int reset_pin = -1;
-#endif
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
+static struct udevice *watchdog_dev;
+#endif /* !CONFIG_SPL_BUILD && CONFIG_WDT */
ulong ram_base;
@@ -58,38 +64,51 @@ int dram_init(void)
return 0;
};
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+#ifdef CONFIG_WDT
+/* Called by macro WATCHDOG_RESET */
+void watchdog_reset(void)
{
-#ifndef CONFIG_SPL_BUILD
-#ifdef CONFIG_XILINX_GPIO
- if (reset_pin != -1)
- gpio_direction_output(reset_pin, 1);
-#endif
+#if !defined(CONFIG_SPL_BUILD)
+ ulong now;
+ static ulong next_reset;
-#ifdef CONFIG_XILINX_TB_WATCHDOG
- hw_watchdog_disable();
-#endif
-#endif
- puts ("Reseting board\n");
- __asm__ __volatile__ (" mts rmsr, r0;" \
- "bra r0");
+ if (!watchdog_dev)
+ return;
- return 0;
-}
+ now = timer_get_us();
-static int gpio_init(void)
-{
-#ifdef CONFIG_XILINX_GPIO
- reset_pin = gpio_alloc(CONFIG_SYS_GPIO_0_ADDR, "reset", 1);
- if (reset_pin != -1)
- gpio_request(reset_pin, "reset_pin");
-#endif
- return 0;
+ /* 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)
{
- gpio_init();
+#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;
}
diff --git a/board/xilinx/microblaze-generic/xparameters.h b/board/xilinx/microblaze-generic/xparameters.h
index 51bca40e34..5e0911faf6 100644
--- a/board/xilinx/microblaze-generic/xparameters.h
+++ b/board/xilinx/microblaze-generic/xparameters.h
@@ -10,18 +10,9 @@
* the generated file from your Xilinx design flow.
*/
-#define XILINX_BOARD_NAME microblaze-generic
-
/* Microblaze is microblaze_0 */
#define XILINX_FSL_NUMBER 3
-/* GPIO is LEDs_4Bit*/
-#define XILINX_GPIO_BASEADDR 0x40000000
-
/* Flash Memory is FLASH_2Mx32 */
#define XILINX_FLASH_START 0x2c000000
#define XILINX_FLASH_SIZE 0x00800000
-
-/* Watchdog IP is wxi_timebase_wdt_0 */
-#define XILINX_WATCHDOG_BASEADDR 0x50000000
-#define XILINX_WATCHDOG_IRQ 1