sh: pci-sh7780: fix pci memory address mask

Fix the problem that cannot work a PCI device when system memory size is
256Mbyte in 29bit address mode.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 5 insertions, 7 deletions

diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index b2a2bfa3c1bd..078dc44d6b08 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -123,16 +123,14 @@ int __init sh7780_pcic_init(struct sh4_pci_address_map *map)
          * Window0 = map->window0.size @ non-cached area base = SDRAM
          * Window1 = map->window1.size @ cached area base = SDRAM
          */
-        word = ((map->window0.size - 1) & 0x1ff00001) | 0x01;
-        pci_write_reg(0x07f00001, SH4_PCILSR0);
-        word = ((map->window1.size - 1) & 0x1ff00001) | 0x01;
+        word = (CONFIG_MEMORY_SIZE - 0x00100000) | 0x00000001;
+        pci_write_reg(word, SH4_PCILSR0);
         pci_write_reg(0x00000001, SH4_PCILSR1);
         /* Set the values on window 0 PCI config registers */
-        word = P2SEGADDR(map->window0.base);
-        pci_write_reg(0xa8000000, SH4_PCILAR0);
-        pci_write_reg(0x08000000, SH7780_PCIMBAR0);
+        word = (CONFIG_MEMORY_SIZE > 0x08000000) ? 0x10000000 : 0x08000000;
+        pci_write_reg(word | 0xa0000000, SH4_PCILAR0);
+        pci_write_reg(word, SH7780_PCIMBAR0);
         /* Set the values on window 1 PCI config registers */
-        word = P2SEGADDR(map->window1.base);
         pci_write_reg(0x00000000, SH4_PCILAR1);
         pci_write_reg(0x00000000, SH7780_PCIMBAR1);