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MIPS: Loongson: PCI: Clean up pcimap setup

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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>
This commit is contained in:
Wu Zhangjin
2009-07-02 23:23:30 +08:00
committed by Ralf Baechle
parent 5e983ff654
commit f7face03c6
3 changed files with 45 additions and 17 deletions
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17
arch/mips/include/asm/mach-lemote/loongson.h
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@@ -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 */

4
arch/mips/include/asm/mach-lemote/pci.h
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@@ -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_ */