* [U-Boot] [PATCH] mpx85xx/fdt: Add cpu-release-addr for all cores
@ 2010-08-18 20:12 Matthew McClintock
2010-08-19 6:53 ` Kumar Gala
0 siblings, 1 reply; 4+ messages in thread
From: Matthew McClintock @ 2010-08-18 20:12 UTC (permalink / raw)
To: u-boot
We currently do not add a cpu-release-addr for core 0, this is needed
when we want to reset core 0 and later restart it from Linux
---
arch/powerpc/cpu/mpc85xx/fdt.c | 21 ++++++++-------------
1 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 8e7b827..acc70bf 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -47,25 +47,20 @@ void ft_fixup_cpu(void *blob, u64 memory_limit)
int off;
ulong spin_tbl_addr = get_spin_phys_addr();
u32 bootpg = determine_mp_bootpg();
- u32 id = get_my_id();
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
if (reg) {
- if (*reg == id) {
- fdt_setprop_string(blob, off, "status", "okay");
- } else {
- u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
- val = cpu_to_fdt32(val);
- fdt_setprop_string(blob, off, "status",
- "disabled");
- fdt_setprop_string(blob, off, "enable-method",
- "spin-table");
- fdt_setprop(blob, off, "cpu-release-addr",
- &val, sizeof(val));
- }
+ u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
+ val = cpu_to_fdt32(val);
+ fdt_setprop_string(blob, off, "status",
+ "disabled");
+ fdt_setprop_string(blob, off, "enable-method",
+ "spin-table");
+ fdt_setprop(blob, off, "cpu-release-addr",
+ &val, sizeof(val));
} else {
printf ("cpu NULL\n");
}
--
1.6.6.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [U-Boot] [PATCH] mpx85xx/fdt: Add cpu-release-addr for all cores
2010-08-18 20:12 [U-Boot] [PATCH] mpx85xx/fdt: Add cpu-release-addr for all cores Matthew McClintock
@ 2010-08-19 6:53 ` Kumar Gala
2010-08-19 18:57 ` [U-Boot] [PATCH V2] " Matthew McClintock
0 siblings, 1 reply; 4+ messages in thread
From: Kumar Gala @ 2010-08-19 6:53 UTC (permalink / raw)
To: u-boot
On Aug 18, 2010, at 3:12 PM, Matthew McClintock wrote:
> We currently do not add a cpu-release-addr for core 0, this is needed
> when we want to reset core 0 and later restart it from Linux
> ---
> arch/powerpc/cpu/mpc85xx/fdt.c | 21 ++++++++-------------
> 1 files changed, 8 insertions(+), 13 deletions(-)
>
> diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
> index 8e7b827..acc70bf 100644
> --- a/arch/powerpc/cpu/mpc85xx/fdt.c
> +++ b/arch/powerpc/cpu/mpc85xx/fdt.c
> @@ -47,25 +47,20 @@ void ft_fixup_cpu(void *blob, u64 memory_limit)
> int off;
> ulong spin_tbl_addr = get_spin_phys_addr();
> u32 bootpg = determine_mp_bootpg();
> - u32 id = get_my_id();
>
> off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
> while (off != -FDT_ERR_NOTFOUND) {
> u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
>
> if (reg) {
> - if (*reg == id) {
> - fdt_setprop_string(blob, off, "status", "okay");
Don't we still want "status" = "okay" for boot cpu?
> - } else {
> - u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
> - val = cpu_to_fdt32(val);
> - fdt_setprop_string(blob, off, "status",
> - "disabled");
> - fdt_setprop_string(blob, off, "enable-method",
> - "spin-table");
> - fdt_setprop(blob, off, "cpu-release-addr",
> - &val, sizeof(val));
> - }
> + u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
> + val = cpu_to_fdt32(val);
> + fdt_setprop_string(blob, off, "status",
> + "disabled");
> + fdt_setprop_string(blob, off, "enable-method",
> + "spin-table");
> + fdt_setprop(blob, off, "cpu-release-addr",
> + &val, sizeof(val));
> } else {
> printf ("cpu NULL\n");
> }
> --
> 1.6.6.1
>
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
^ permalink raw reply [flat|nested] 4+ messages in thread
* [U-Boot] [PATCH V2] mpx85xx/fdt: Add cpu-release-addr for all cores
2010-08-19 6:53 ` Kumar Gala
@ 2010-08-19 18:57 ` Matthew McClintock
2010-08-20 2:27 ` Kumar Gala
0 siblings, 1 reply; 4+ messages in thread
From: Matthew McClintock @ 2010-08-19 18:57 UTC (permalink / raw)
To: u-boot
We currently do not add a cpu-release-addr for core 0, this is needed
when we want to reset core 0 and later restart it from Linux
Signed-off-by: Matthew McClintock <msm@freescale.com>
---
v2: Mark boot cpu status as "okay"
arch/powerpc/cpu/mpc85xx/fdt.c | 15 ++++++++-------
1 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 8e7b827..4540364 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -54,18 +54,19 @@ void ft_fixup_cpu(void *blob, u64 memory_limit)
u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
if (reg) {
+ u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
+ val = cpu_to_fdt32(val);
if (*reg == id) {
- fdt_setprop_string(blob, off, "status", "okay");
+ fdt_setprop_string(blob, off, "status",
+ "okay");
} else {
- u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
- val = cpu_to_fdt32(val);
fdt_setprop_string(blob, off, "status",
"disabled");
- fdt_setprop_string(blob, off, "enable-method",
- "spin-table");
- fdt_setprop(blob, off, "cpu-release-addr",
- &val, sizeof(val));
}
+ fdt_setprop_string(blob, off, "enable-method",
+ "spin-table");
+ fdt_setprop(blob, off, "cpu-release-addr",
+ &val, sizeof(val));
} else {
printf ("cpu NULL\n");
}
--
1.6.6.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [U-Boot] [PATCH V2] mpx85xx/fdt: Add cpu-release-addr for all cores
2010-08-19 18:57 ` [U-Boot] [PATCH V2] " Matthew McClintock
@ 2010-08-20 2:27 ` Kumar Gala
0 siblings, 0 replies; 4+ messages in thread
From: Kumar Gala @ 2010-08-20 2:27 UTC (permalink / raw)
To: u-boot
On Aug 19, 2010, at 1:57 PM, Matthew McClintock wrote:
> We currently do not add a cpu-release-addr for core 0, this is needed
> when we want to reset core 0 and later restart it from Linux
>
> Signed-off-by: Matthew McClintock <msm@freescale.com>
> ---
> v2: Mark boot cpu status as "okay"
>
> arch/powerpc/cpu/mpc85xx/fdt.c | 15 ++++++++-------
> 1 files changed, 8 insertions(+), 7 deletions(-)
applied to 85xx
- k
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2010-08-20 2:27 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-08-18 20:12 [U-Boot] [PATCH] mpx85xx/fdt: Add cpu-release-addr for all cores Matthew McClintock
2010-08-19 6:53 ` Kumar Gala
2010-08-19 18:57 ` [U-Boot] [PATCH V2] " Matthew McClintock
2010-08-20 2:27 ` Kumar Gala
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