[U-Boot] [PATCH] imx: add lowlevel init for ARM64
Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug.
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/lowlevel.S | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-imx/lowlevel.S
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index c3ed62aed6..37675d0558 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -204,7 +204,7 @@ endif
targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot-dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
-obj-$(CONFIG_ARM64) += sip.o +obj-$(CONFIG_ARM64) += lowlevel.o sip.o
obj-$(CONFIG_MX5) += mx5/ obj-$(CONFIG_MX6) += mx6/ diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach-imx/lowlevel.S new file mode 100644 index 0000000000..158fdb7d87 --- /dev/null +++ b/arch/arm/mach-imx/lowlevel.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2019 NXP + */ + +#include <linux/linkage.h> + +ENTRY(lowlevel_init) + mrs x0, CurrentEL + cmp x0, #8 + b.eq 1f + ret +1: + msr daifclr, #4 + + /* set HCR_EL2.AMO to catch SERROR */ + mrs x0, hcr_el2 + orr x0, x0, #0x20 + msr hcr_el2, x0 + isb + ret +ENDPROC(lowlevel_init)
Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug. Signed-off-by: Peng Fan peng.fan@nxp.com
Applied to u-boot-imx, master, thanks !
Best regards, Stefano Babic
Hi Peng and Stefano
Unfortunately, this seems to break Ethernet on Colibri iMX8X:
=> dhcp "Error" handler, esr 0xbf000002 elr: 0000000080049664 lr : 000000008004964c (reloc) elr: 00000000ffef6664 lr : 00000000ffef664c x0 : 000000005b040288 x1 : 0000000000000001 x2 : 00000000fd6c5ff4 x3 : 0000000000000020 x4 : 00000000fd6c5ff0 x5 : 0000000000000020 x6 : 00000000ffef079c x7 : 00000000fd6f1600 x8 : 0000000000000044 x9 : 0000000000000008 x10: 00000000fd6d1620 x11: 00000000fd6d3a10 x12: 0000000000000000 x13: 0000000000000200 x14: 00000000fd6c62cc x15: 0000000000000002 x16: 0000000000002080 x17: 0000000000000000 x18: 00000000fd6cada8 x19: 00000000fd6d1160 x20: 0000000000000200 x21: 000000005b040300 x22: 00000000fd6f1000 x23: 00000000fd6cfdf0 x24: 00000000ffff8000 x25: 0000000000000000 x26: 0000000000000000 x27: 0000000000000000 x28: 00000000fd6d15c0 x29: 00000000fd6c6030
Resetting CPU ...
resetting ...
Reverting commit 5955c6eeb453 ("imx: add lowlevel init for ARM64") makes it work again.
Unfortunately, I don't have a MEK in my home office but will check Ethernet operation there on Monday as well.
Anyway, does anybody know what exactly is going on?
Cheers
Marcel
On Mon, 2019-04-15 at 05:20 +0000, Peng Fan wrote:
Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug.
Signed-off-by: Peng Fan peng.fan@nxp.com
arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/lowlevel.S | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-imx/lowlevel.S
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index c3ed62aed6..37675d0558 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -204,7 +204,7 @@ endif
targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot- dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
-obj-$(CONFIG_ARM64) += sip.o +obj-$(CONFIG_ARM64) += lowlevel.o sip.o
obj-$(CONFIG_MX5) += mx5/ obj-$(CONFIG_MX6) += mx6/ diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach- imx/lowlevel.S new file mode 100644 index 0000000000..158fdb7d87 --- /dev/null +++ b/arch/arm/mach-imx/lowlevel.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/*
- Copyright 2019 NXP
- */
+#include <linux/linkage.h>
+ENTRY(lowlevel_init)
- mrs x0, CurrentEL
- cmp x0, #8
- b.eq 1f
- ret
+1:
- msr daifclr, #4
- /* set HCR_EL2.AMO to catch SERROR */
- mrs x0, hcr_el2
- orr x0, x0, #0x20
- msr hcr_el2, x0
- isb
- ret
+ENDPROC(lowlevel_init)
2.16.4
U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
Hi Marcel,
Please apply this patch, Joe has not pick it up. https://patchwork.ozlabs.org/patch/1085432/
Stefano,
Would you pick it up?
Subject: [REGRESSION] [PATCH] imx: add lowlevel init for ARM64
Hi Peng and Stefano
Unfortunately, this seems to break Ethernet on Colibri iMX8X:
=> dhcp "Error" handler, esr 0xbf000002 elr: 0000000080049664 lr : 000000008004964c (reloc) elr: 00000000ffef6664 lr : 00000000ffef664c x0 : 000000005b040288 x1 : 0000000000000001 x2 : 00000000fd6c5ff4 x3 : 0000000000000020 x4 : 00000000fd6c5ff0 x5 : 0000000000000020 x6 : 00000000ffef079c x7 : 00000000fd6f1600 x8 : 0000000000000044 x9 : 0000000000000008 x10: 00000000fd6d1620 x11: 00000000fd6d3a10 x12: 0000000000000000 x13: 0000000000000200 x14: 00000000fd6c62cc x15: 0000000000000002 x16: 0000000000002080 x17: 0000000000000000 x18: 00000000fd6cada8 x19: 00000000fd6d1160 x20: 0000000000000200 x21: 000000005b040300 x22: 00000000fd6f1000 x23: 00000000fd6cfdf0 x24: 00000000ffff8000 x25: 0000000000000000 x26: 0000000000000000 x27: 0000000000000000 x28: 00000000fd6d15c0 x29: 00000000fd6c6030
Resetting CPU ...
resetting ...
Reverting commit 5955c6eeb453 ("imx: add lowlevel init for ARM64") makes it work again.
Unfortunately, I don't have a MEK in my home office but will check Ethernet operation there on Monday as well.
Anyway, does anybody know what exactly is going on?
Regards, Peng.
Cheers
Marcel
On Mon, 2019-04-15 at 05:20 +0000, Peng Fan wrote:
Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug.
Signed-off-by: Peng Fan peng.fan@nxp.com
arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/lowlevel.S | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-imx/lowlevel.S
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index c3ed62aed6..37675d0558 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -204,7 +204,7 @@ endif
targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot- dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
-obj-$(CONFIG_ARM64) += sip.o +obj-$(CONFIG_ARM64) += lowlevel.o sip.o
obj-$(CONFIG_MX5) += mx5/ obj-$(CONFIG_MX6) += mx6/ diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach- imx/lowlevel.S new file mode 100644 index 0000000000..158fdb7d87 --- /dev/null +++ b/arch/arm/mach-imx/lowlevel.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/*
- Copyright 2019 NXP
- */
+#include <linux/linkage.h>
+ENTRY(lowlevel_init)
- mrs x0, CurrentEL
- cmp x0, #8
- b.eq 1f
- ret
+1:
- msr daifclr, #4
- /* set HCR_EL2.AMO to catch SERROR */
- mrs x0, hcr_el2
- orr x0, x0, #0x20
- msr hcr_el2, x0
- isb
- ret
+ENDPROC(lowlevel_init)
2.16.4
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On 27/04/19 01:58, Peng Fan wrote:
Hi Marcel,
Please apply this patch, Joe has not pick it up. https://patchwork.ozlabs.org/patch/1085432/
Stefano,
Would you pick it up?
It is acked by Joe, i assign the patch to me in patchwork and I pick it up.
Regards, Stefano
Subject: [REGRESSION] [PATCH] imx: add lowlevel init for ARM64
Hi Peng and Stefano
Unfortunately, this seems to break Ethernet on Colibri iMX8X:
=> dhcp "Error" handler, esr 0xbf000002 elr: 0000000080049664 lr : 000000008004964c (reloc) elr: 00000000ffef6664 lr : 00000000ffef664c x0 : 000000005b040288 x1 : 0000000000000001 x2 : 00000000fd6c5ff4 x3 : 0000000000000020 x4 : 00000000fd6c5ff0 x5 : 0000000000000020 x6 : 00000000ffef079c x7 : 00000000fd6f1600 x8 : 0000000000000044 x9 : 0000000000000008 x10: 00000000fd6d1620 x11: 00000000fd6d3a10 x12: 0000000000000000 x13: 0000000000000200 x14: 00000000fd6c62cc x15: 0000000000000002 x16: 0000000000002080 x17: 0000000000000000 x18: 00000000fd6cada8 x19: 00000000fd6d1160 x20: 0000000000000200 x21: 000000005b040300 x22: 00000000fd6f1000 x23: 00000000fd6cfdf0 x24: 00000000ffff8000 x25: 0000000000000000 x26: 0000000000000000 x27: 0000000000000000 x28: 00000000fd6d15c0 x29: 00000000fd6c6030
Resetting CPU ...
resetting ...
Reverting commit 5955c6eeb453 ("imx: add lowlevel init for ARM64") makes it work again.
Unfortunately, I don't have a MEK in my home office but will check Ethernet operation there on Monday as well.
Anyway, does anybody know what exactly is going on?
Regards, Peng.
Cheers
Marcel
On Mon, 2019-04-15 at 05:20 +0000, Peng Fan wrote:
Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug.
Signed-off-by: Peng Fan peng.fan@nxp.com
arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/lowlevel.S | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-imx/lowlevel.S
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index c3ed62aed6..37675d0558 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -204,7 +204,7 @@ endif
targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot- dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
-obj-$(CONFIG_ARM64) += sip.o +obj-$(CONFIG_ARM64) += lowlevel.o sip.o
obj-$(CONFIG_MX5) += mx5/ obj-$(CONFIG_MX6) += mx6/ diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach- imx/lowlevel.S new file mode 100644 index 0000000000..158fdb7d87 --- /dev/null +++ b/arch/arm/mach-imx/lowlevel.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/*
- Copyright 2019 NXP
- */
+#include <linux/linkage.h>
+ENTRY(lowlevel_init)
- mrs x0, CurrentEL
- cmp x0, #8
- b.eq 1f
- ret
+1:
- msr daifclr, #4
- /* set HCR_EL2.AMO to catch SERROR */
- mrs x0, hcr_el2
- orr x0, x0, #0x20
- msr hcr_el2, x0
- isb
- ret
+ENDPROC(lowlevel_init)
2.16.4
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On Apr 28, 2019, at 12:52 PM, Stefano Babic sbabic@denx.de wrote:
On 27/04/19 01:58, Peng Fan wrote: Hi Marcel,
Please apply this patch, Joe has not pick it up. https://patchwork.ozlabs.org/patch/1085432/
Stefano,
Would you pick it up?
It is acked by Joe, i assign the patch to me in patchwork and I pick it up.
Regards, Stefano
Subject: [REGRESSION] [PATCH] imx: add lowlevel init for ARM64
Hi Peng and Stefano
Unfortunately, this seems to break Ethernet on Colibri iMX8X:
Has this been addressed?
=> dhcp "Error" handler, esr 0xbf000002 elr: 0000000080049664 lr : 000000008004964c (reloc) elr: 00000000ffef6664 lr : 00000000ffef664c x0 : 000000005b040288 x1 : 0000000000000001 x2 : 00000000fd6c5ff4 x3 : 0000000000000020 x4 : 00000000fd6c5ff0 x5 : 0000000000000020 x6 : 00000000ffef079c x7 : 00000000fd6f1600 x8 : 0000000000000044 x9 : 0000000000000008 x10: 00000000fd6d1620 x11: 00000000fd6d3a10 x12: 0000000000000000 x13: 0000000000000200 x14: 00000000fd6c62cc x15: 0000000000000002 x16: 0000000000002080 x17: 0000000000000000 x18: 00000000fd6cada8 x19: 00000000fd6d1160 x20: 0000000000000200 x21: 000000005b040300 x22: 00000000fd6f1000 x23: 00000000fd6cfdf0 x24: 00000000ffff8000 x25: 0000000000000000 x26: 0000000000000000 x27: 0000000000000000 x28: 00000000fd6d15c0 x29: 00000000fd6c6030
Resetting CPU ...
resetting ...
Reverting commit 5955c6eeb453 ("imx: add lowlevel init for ARM64") makes it work again.
Unfortunately, I don't have a MEK in my home office but will check Ethernet operation there on Monday as well.
Anyway, does anybody know what exactly is going on?
Regards, Peng.
Cheers
Marcel
On Mon, 2019-04-15 at 05:20 +0000, Peng Fan wrote: Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug.
Signed-off-by: Peng Fan peng.fan@nxp.com
arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/lowlevel.S | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-imx/lowlevel.S
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index c3ed62aed6..37675d0558 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -204,7 +204,7 @@ endif
targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot- dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
-obj-$(CONFIG_ARM64) += sip.o +obj-$(CONFIG_ARM64) += lowlevel.o sip.o
obj-$(CONFIG_MX5) += mx5/ obj-$(CONFIG_MX6) += mx6/ diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach- imx/lowlevel.S new file mode 100644 index 0000000000..158fdb7d87 --- /dev/null +++ b/arch/arm/mach-imx/lowlevel.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/*
- Copyright 2019 NXP
- */
+#include <linux/linkage.h>
+ENTRY(lowlevel_init)
- mrs x0, CurrentEL
- cmp x0, #8
- b.eq 1f
- ret
+1:
- msr daifclr, #4
- /* set HCR_EL2.AMO to catch SERROR */
- mrs x0, hcr_el2
- orr x0, x0, #0x20
- msr hcr_el2, x0
- isb
- ret
+ENDPROC(lowlevel_init)
2.16.4
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On Sun, 2019-04-28 at 14:24 -0400, Joe Hershberger wrote:
On Apr 28, 2019, at 12:52 PM, Stefano Babic sbabic@denx.de wrote:
On 27/04/19 01:58, Peng Fan wrote: Hi Marcel,
Please apply this patch, Joe has not pick it up. https://patchwork.ozlabs.org/patch/1085432/
Stefano,
Would you pick it up?
It is acked by Joe, i assign the patch to me in patchwork and I pick it up.
Regards, Stefano
Subject: [REGRESSION] [PATCH] imx: add lowlevel init for ARM64
Hi Peng and Stefano
Unfortunately, this seems to break Ethernet on Colibri iMX8X:
Has this been addressed?
Yes, sorry. The following patch as suggested by Peng does fix it:
https://patchwork.ozlabs.org/patch/1085432/
Thanks!
=> dhcp "Error" handler, esr 0xbf000002 elr: 0000000080049664 lr : 000000008004964c (reloc) elr: 00000000ffef6664 lr : 00000000ffef664c x0 : 000000005b040288 x1 : 0000000000000001 x2 : 00000000fd6c5ff4 x3 : 0000000000000020 x4 : 00000000fd6c5ff0 x5 : 0000000000000020 x6 : 00000000ffef079c x7 : 00000000fd6f1600 x8 : 0000000000000044 x9 : 0000000000000008 x10: 00000000fd6d1620 x11: 00000000fd6d3a10 x12: 0000000000000000 x13: 0000000000000200 x14: 00000000fd6c62cc x15: 0000000000000002 x16: 0000000000002080 x17: 0000000000000000 x18: 00000000fd6cada8 x19: 00000000fd6d1160 x20: 0000000000000200 x21: 000000005b040300 x22: 00000000fd6f1000 x23: 00000000fd6cfdf0 x24: 00000000ffff8000 x25: 0000000000000000 x26: 0000000000000000 x27: 0000000000000000 x28: 00000000fd6d15c0 x29: 00000000fd6c6030
Resetting CPU ...
resetting ...
Reverting commit 5955c6eeb453 ("imx: add lowlevel init for ARM64") makes it work again.
Unfortunately, I don't have a MEK in my home office but will check Ethernet operation there on Monday as well.
Anyway, does anybody know what exactly is going on?
Regards, Peng.
Cheers
Marcel
On Mon, 2019-04-15 at 05:20 +0000, Peng Fan wrote: Sometimes we met SERROR, but only to catch it when Linux boots up. Let's enable catching in U-Boot to catch it ealier and ease debug.
Signed-off-by: Peng Fan peng.fan@nxp.com
arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/lowlevel.S | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-imx/lowlevel.S
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach- imx/Makefile index c3ed62aed6..37675d0558 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -204,7 +204,7 @@ endif
targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u- boot- dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
-obj-$(CONFIG_ARM64) += sip.o +obj-$(CONFIG_ARM64) += lowlevel.o sip.o
obj-$(CONFIG_MX5) += mx5/ obj-$(CONFIG_MX6) += mx6/ diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach- imx/lowlevel.S new file mode 100644 index 0000000000..158fdb7d87 --- /dev/null +++ b/arch/arm/mach-imx/lowlevel.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/*
- Copyright 2019 NXP
- */
+#include <linux/linkage.h>
+ENTRY(lowlevel_init)
- mrs x0, CurrentEL
- cmp x0, #8
- b.eq 1f
- ret
+1:
- msr daifclr, #4
- /* set HCR_EL2.AMO to catch SERROR */
- mrs x0, hcr_el2
- orr x0, x0, #0x20
- msr hcr_el2, x0
- isb
- ret
+ENDPROC(lowlevel_init)
2.16.4
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participants (5)
-
Joe Hershberger -
Marcel Ziswiler -
Peng Fan -
sbabic＠denx.de -
Stefano Babic