[U-Boot] [PATCH 05/28] armv8/ls2085a: Add support for reset request

York Sun
2015-03-19T16:45:36Z

From: pankaj chauhan <pankaj.chauhan@freescale.com>

Add support for reset_cpu() by asserting RESET_REQ_B.

Signed-off-by: pankaj chauhan <pankaj.chauhan@freescale.com>
---
arch/arm/cpu/armv8/fsl-lsch3/cpu.c | 11 +++++++++++
board/freescale/ls2085a/ls2085a.c | 7 -------
2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
index e985181..0e5aa5c 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
@@ -419,3 +419,14 @@ int timer_init(void)

return 0;
}
+
+void reset_cpu(ulong addr)
+{
+ u32 __iomem *rstcr = (u32 *)CONFIG_SYS_FSL_RST_ADDR;
+ u32 val;
+
+ /* Raise RESET_REQ_B */
+ val = in_le32(rstcr);
+ val |= 0x02;
+ out_le32(rstcr, val);
+}
diff --git a/board/freescale/ls2085a/ls2085a.c b/board/freescale/ls2085a/ls2085a.c
index bd016e9..19f5a7b 100644
--- a/board/freescale/ls2085a/ls2085a.c
+++ b/board/freescale/ls2085a/ls2085a.c
@@ -55,13 +55,6 @@ int dram_init(void)
return 0;
}

-/*
- * Board specific reset that is system reset.
- */
-void reset_cpu(ulong addr)
-{
-}
-
#if defined(CONFIG_ARCH_MISC_INIT)
int arch_misc_init(void)
{
--
1.7.9.5