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authorArthur Heymans <arthur@aheymans.xyz>2019-09-16 21:09:36 +0200
committerArthur Heymans <arthur@aheymans.xyz>2019-10-06 10:13:55 +0000
commit126f9e51fb171ba7f1b05db228f13ad01504ec80 (patch)
treeacdecf27f0bc13045691b3f038aaca5749a62a99 /src/mainboard/lenovo/x201
parent37e1d93ca0da15c03be32514e45f3668060aac08 (diff)
downloadcoreboot-126f9e51fb171ba7f1b05db228f13ad01504ec80.tar.xz
intel/ibexpeak boards: Remove handled RCBA entries from replay
The RCBA registers 0x3400-0x3500 are all handled elsewhere in the code, so no need to have a 'replay' of those. The remainder now consist of USB setup and undocumented bits that should likely not be touched at all. Change-Id: I69fc8a5e16f7cf0e1068d0d2ed678a6c2f6e70a9 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35440 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/mainboard/lenovo/x201')
-rw-r--r--src/mainboard/lenovo/x201/romstage.c28
1 files changed, 10 insertions, 18 deletions
diff --git a/src/mainboard/lenovo/x201/romstage.c b/src/mainboard/lenovo/x201/romstage.c
index 9d98637c65..1d364b61e4 100644
--- a/src/mainboard/lenovo/x201/romstage.c
+++ b/src/mainboard/lenovo/x201/romstage.c
@@ -65,23 +65,15 @@ static void rcba_config(void)
{
southbridge_configure_default_intmap();
+ /* Must set BIT0 (hides performance counters PCI device).
+ coreboot enables the Rate Matching Hub which makes the UHCI PCI
+ devices disappear, so BIT5-12 and BIT28 can be set to hide those. */
+ RCBA32(FD) = (1 << 28) | (0xff << 5) | 1;
+
+ /* Set reserved bit to 1 */
+ RCBA32(FD2) = 1;
+
static const u32 rcba_dump3[] = {
- /* 3400 */ 0x0000001c, 0x00000080, 0x00000000, 0x00000000,
- /* 3410 */ 0x00000c61, 0x00000000, 0x16e41fe1, 0xbf4f001f,
- /* 3420 */ 0x00000000, 0x00060010, 0x0000001d, 0x00000000,
- /* 3430 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 3440 */ 0xdeaddeed, 0x00000000, 0x00000000, 0x00000000,
- /* 3450 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 3460 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 3470 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 3480 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 3490 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 34a0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 34b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 34c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 34d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 34e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- /* 34f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
/* 3500 */ 0x20000557, 0x2000055f, 0x2000074b, 0x2000074b,
/* 3510 */ 0x20000557, 0x2000014b, 0x2000074b, 0x2000074b,
/* 3520 */ 0x2000074b, 0x2000074b, 0x2000055f, 0x2000055f,
@@ -120,8 +112,8 @@ static void rcba_config(void)
};
unsigned i;
for (i = 0; i < sizeof(rcba_dump3) / 4; i++) {
- RCBA32(4 * i + 0x3400) = rcba_dump3[i];
- (void)RCBA32(4 * i + 0x3400);
+ RCBA32(4 * i + 0x3500) = rcba_dump3[i];
+ (void)RCBA32(4 * i + 0x3500);
}
}