MIPS: Loongson: PCI: Clean up pcimap setup

Fixup the wrong original comment of pcimap, and make the source code more
understandable. and also, some new extra consideration is added in.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 19 insertions, 2 deletions

diff --git a/arch/mips/include/asm/mach-lemote/loongson.h b/arch/mips/include/asm/mach-lemote/loongson.h
index 76cc2bddfa43..916eacec94ec 100644
--- a/arch/mips/include/asm/mach-lemote/loongson.h
+++ b/arch/mips/include/asm/mach-lemote/loongson.h
@@ -33,4 +33,21 @@ extern void __init prom_init_memory(void);
 extern void __init prom_init_cmdline(void);
 extern void __init prom_init_env(void);
 
+/* PCI Configuration Registers */
+#define LOONGSON_PCI_ISR4C  BONITO_PCI_REG(0x4c)
+
+/* PCI_Hit*_Sel_* */
+
+#define LOONGSON_PCI_HIT0_SEL_L     BONITO(BONITO_REGBASE + 0x50)
+#define LOONGSON_PCI_HIT0_SEL_H     BONITO(BONITO_REGBASE + 0x54)
+#define LOONGSON_PCI_HIT1_SEL_L     BONITO(BONITO_REGBASE + 0x58)
+#define LOONGSON_PCI_HIT1_SEL_H     BONITO(BONITO_REGBASE + 0x5c)
+#define LOONGSON_PCI_HIT2_SEL_L     BONITO(BONITO_REGBASE + 0x60)
+#define LOONGSON_PCI_HIT2_SEL_H     BONITO(BONITO_REGBASE + 0x64)
+
+/* PXArb Config & Status */
+
+#define LOONGSON_PXARB_CFG      BONITO(BONITO_REGBASE + 0x68)
+#define LOONGSON_PXARB_STATUS       BONITO(BONITO_REGBASE + 0x6c)
+
 #endif /* __ASM_MACH_LOONGSON_LOONGSON_H */
diff --git a/arch/mips/include/asm/mach-lemote/pci.h b/arch/mips/include/asm/mach-lemote/pci.h
index 92b2f59d890f..3e6b1300afb6 100644
--- a/arch/mips/include/asm/mach-lemote/pci.h
+++ b/arch/mips/include/asm/mach-lemote/pci.h
@@ -24,8 +24,8 @@
 
 extern struct pci_ops bonito64_pci_ops;
 
-#define LOONGSON2E_PCI_MEM_START        0x14000000UL
-#define LOONGSON2E_PCI_MEM_END          0x1fffffffUL
+#define LOONGSON2E_PCI_MEM_START        BONITO_PCILO1_BASE
+#define LOONGSON2E_PCI_MEM_END          (BONITO_PCILO1_BASE + 0x04000000 * 2)
 #define LOONGSON2E_PCI_IO_START         0x00004000UL
 
 #endif /* !__ASM_MACH_LEMOTE_PCI_H_ */