[PATCH 4/5] freescale: ls1043aqds: enable secure system counter
Biwen Li
biwen.li at oss.nxp.com
Wed Jul 1 11:43:29 CEST 2020
From: Biwen Li <biwen.li at nxp.com>
Enable secure system counter in board_early_init_f for udelay()
to fix a bug that always return 0 by timer_read_counter()
when boot from qspi(No TFA)
Signed-off-by: Biwen Li <biwen.li at nxp.com>
---
board/freescale/ls1043aqds/ls1043aqds.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
index 2d4b18c..5e4b030 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015 Freescale Semiconductor, Inc.
- * Copyright 2019 NXP
+ * Copyright 2019-2020 NXP
*/
#include <common.h>
@@ -451,6 +451,7 @@ void board_retimer_init(void)
int board_early_init_f(void)
{
+ u32 __iomem *cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
#ifdef CONFIG_HAS_FSL_XHCI_USB
struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
u32 usb_pwrfault;
@@ -459,6 +460,11 @@ int board_early_init_f(void)
u8 uart;
#endif
+ /*
+ * Enable secure system counter for timer
+ */
+ out_le32(cntcr, 0x1);
+
#ifdef CONFIG_SYS_I2C
#ifdef CONFIG_SYS_I2C_EARLY_INIT
i2c_early_init_f();
--
2.7.4
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