Scott Wood wrote:
On 06/02/2010 03:06 AM, Martyn Welch wrote:
I think that's a more fundamental change to CPM early debug than I
can
handle right now.
Is IMMRBASE on your board at some address that has a low likelihood of
conflicting when treated as a kernel effective address?
It's at
Scott Wood wrote:
On 06/01/2010 08:43 AM, Martyn Welch wrote:
diff --git a/arch/powerpc/kernel/head_32.S
b/arch/powerpc/kernel/head_32.S
index e025e89..861cace 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -1194,12 +1194,13 @@ setup_disp_bat:
#endif
On 06/02/2010 03:06 AM, Martyn Welch wrote:
I think that's a more fundamental change to CPM early debug than I can
handle right now.
Is IMMRBASE on your board at some address that has a low likelihood of
conflicting when treated as a kernel effective address?
It's at 0x0f00, is seems ok,
Scott Wood wrote:
On 05/28/2010 10:18 AM, Martyn Welch wrote:
The CPM early debug console hardcodes the BAT to cover the IMMR at
0xf000. The IMMR (on the mpc8270 at the very least) can be set to a
number of locations with bootstrap configuration, which are outside the
hardcoded BAT
Martyn Welch wrote:
Scott Wood wrote:
On 05/28/2010 10:18 AM, Martyn Welch wrote:
The CPM early debug console hardcodes the BAT to cover the IMMR at
0xf000. The IMMR (on the mpc8270 at the very least) can be set to a
number of locations with bootstrap configuration, which are
On 06/01/2010 08:43 AM, Martyn Welch wrote:
diff --git a/arch/powerpc/kernel/head_32.S
b/arch/powerpc/kernel/head_32.S
index e025e89..861cace 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -1194,12 +1194,13 @@ setup_disp_bat:
#endif /* CONFIG_BOOTX_TEXT */
The CPM early debug console hardcodes the BAT to cover the IMMR at
0xf000. The IMMR (on the mpc8270 at the very least) can be set to a
number of locations with bootstrap configuration, which are outside the
hardcoded BAT configuration.
This patch determines the correct location at which to
On 05/28/2010 10:18 AM, Martyn Welch wrote:
The CPM early debug console hardcodes the BAT to cover the IMMR at
0xf000. The IMMR (on the mpc8270 at the very least) can be set to a
number of locations with bootstrap configuration, which are outside the
hardcoded BAT configuration.
This patch
On Fri, 2010-05-28 at 11:18 -0500, Scott Wood wrote:
Only the physical address should depend on where IMMR is. We should
use
fixmap instead of an arbitrary address for the effective address.
There's a existing FIX_EARLY_DEBUG_BASE, but it's only 128 KiB so
we'll
have to either grow it,
