From 16e23c3f5dab6937f5109365416808c7f15c122b Mon Sep 17 00:00:00 2001
From: Ed Swarthout <Ed.Swarthout@freescale.com>
Date: Mon, 20 Aug 2007 23:55:33 -0500
Subject: [PATCH] fsl_pci_init - Remove self PCSRBAR allocation
CPU physical address space was being wasted by allocating a
PCSRBAR PCI inbound region to it's memory space.
As a rule, PCSRBAR should be left alone since it does not affect
transactions from self and other masters may have changed it.
Signed-off-by: Ed Swarthout <ed.swarthout@freescale.com>
---
drivers/fsl_pci_init.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/fsl_pci_init.c b/drivers/fsl_pci_init.c
index 1084dc6b78..3a13eea1f2 100644
--- a/drivers/fsl_pci_init.c
+++ b/drivers/fsl_pci_init.c
@@ -130,9 +130,14 @@ fsl_pci_init(struct pci_controller *hose)
}
- /* Call setup to allocate PCSRBAR window */
- pciauto_setup_device(hose, dev, 1, hose->pci_mem,
+ /* Use generic setup_device to initialize standard pci regs,
+ * but do not allocate any windows since any BAR found (such
+ * as PCSRBAR) is not in this cpu's memory space.
+ */
+
+ pciauto_setup_device(hose, dev, 0, hose->pci_mem,
hose->pci_prefetch, hose->pci_io);
+
#ifndef CONFIG_PCI_NOSCAN
printf (" Scanning PCI bus %02x\n", hose->current_busno);
hose->last_busno = pci_hose_scan_bus(hose,hose->current_busno);
--
2.39.5