On 07/12/2012 01:07 PM, Bharat Bhushan wrote:
Linux mpic driver uses (changes may be in pipeline to get upstreamed soon)
BRR1. This patch adds the support to emulate readonly BRR1.
Signed-off-by: Bharat Bhushan<bharat.bhushan@xxxxxxxxxxxxx>
---
hw/openpic.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/hw/openpic.c b/hw/openpic.c
index 58ef871..244155b 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -595,6 +595,8 @@ static void openpic_gbl_write (void *opaque, target_phys_addr_t addr, uint32_t v
if (addr& 0xF)
return;
switch (addr) {
+ case 0x00: /* BRR1 Readonly */
+ break;
case 0x40:
case 0x50:
case 0x60:
@@ -671,6 +673,7 @@ static uint32_t openpic_gbl_read (void *opaque, target_phys_addr_t addr)
case 0x1090: /* PINT */
retval = 0x00000000;
break;
+ case 0x00:
Add a comment saying what register this is. We really should be using
#define's here, but it would be even worse to have it converted only
half-way, so just stick with the comment for now.
case 0x40:
case 0x50:
case 0x60:
@@ -893,6 +896,9 @@ static uint32_t openpic_cpu_read_internal(void *opaque, target_phys_addr_t addr,
dst =&opp->dst[idx];
addr&= 0xFF0;
switch (addr) {
+ case 0x00: /* BRR1 */
+ retval = 0x00400200;
Please unmagicify this one :)
Alex
+ break;
case 0x80: /* PCTP */
retval = dst->pctp;
break;
--
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