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mpc7448hpc2: Fix PCI I/O space mapping.

PATCH New Randy Vinson 3 participants 3 messages Aug 13, 2008 – Aug 26, 2008

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Randy Vinson

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PATCH 1/1 mpc7448hpc2: Fix PCI I/O space mapping.

PCI I/O space is currently mapped 1:1 at 0xFA000000. Linux requires PCI I/O space to start at 0 on the PCI bus. This patch maps PCI I/O space such that 0xFA000000 in the processor's address space maps to 0 on the PCI I/O bus.

Signed-off-by Randy Vinson <[email protected]>

---
 board/freescale/mpc7448hpc2/tsi108_init.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
board/freescale/mpc7448hpc2/tsi108_init.c +2 -2
index ad80694..9c40b72 100644
@@ -79,7 +79,7 @@ PB2OCN_LUT_ENTRY pb2ocn_lut1[32] = {
 	/* 24 - 31 */
 	{0x00000000, 0x00000201}, /* PBA=0xF800_0000 -> PCI/X (Byte-Swap) */
 	{0x00000000, 0x00000201}, /* PBA=0xF900_0000 -> PCI/X (Byte-Swap) */
-	{0x00000000, 0x00000201}, /* PBA=0xFA00_0000 -> PCI/X  PCI I/O (Byte-Swap) */
+	{0x00000000, 0x00000241}, /* PBA=0xFA00_0000 -> PCI/X  PCI I/O (Byte-Swap + Translate) */
 	{0x00000000, 0x00000201}, /* PBA=0xFB00_0000 -> PCI/X  PCI Config (Byte-Swap) */
 
 	{0x00000000, 0x02000240}, /* PBA=0xFC00_0000 -> HLP */

@@ -380,7 +380,7 @@ int board_early_init_r (void)
 	 */
 
 	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO,
-		0xFA000001);
+		0x00000001);
 	__asm__ __volatile__ ("sync");
 
 	/*
Signature · 1 line
1.5.4.4.551.g1658c
#1 lore raw

PATCH 1/1 mpc7448hpc2: Fix PCI I/O space mapping.

Quoted 9 lines · Randy Vinson

PCI I/O space is currently mapped 1:1 at 0xFA000000. Linux requires PCI I/O space to start at 0 on the PCI bus. This patch maps PCI I/O space such that 0xFA000000 in the processor's address space maps to 0 on the PCI I/O bus.

Signed-off-by Randy Vinson <[email protected]>
---

 board/freescale/mpc7448hpc2/tsi108_init.c |    4 ++-- 
 1 files changed, 2 insertions(+), 2 deletions(-)
Acked-by Roy Zang <[email protected]>

Wolfgang,
Could you help to apply?
Thanks.
Roy

Applied
#2 lore raw

PATCH 1/1 mpc7448hpc2: Fix PCI I/O space mapping.

In reply to Randy Vinson

Dear Randy Vinson,

Quoted 9 lines · In message <[email protected]> you wrote:

PCI I/O space is currently mapped 1:1 at 0xFA000000. Linux requires PCI I/O space to start at 0 on the PCI bus. This patch maps PCI I/O space such that 0xFA000000 in the processor's address space maps to 0 on the PCI I/O bus.

Signed-off-by Randy Vinson <[email protected]>

---
 board/freescale/mpc7448hpc2/tsi108_init.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

Applied, thanks.

Best regards,

Wolfgang Denk

Signature · 5 lines
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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