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Commit b7b23db7 authored by Krzysztof Hałasa's avatar Krzysztof Hałasa Committed by Jason Cooper
Browse files

IXP4xx: map CPU config registers within VMALLOC region. 



Signed-off-by: default avatarKrzysztof Hałasa <khc@pm.waw.pl>
parent f0cdb153

arch/arm/mach-ixp4xx/common.c

+0 −8
Original line number Diff line number Diff line
@@ -73,14 +73,6 @@ static struct map_desc ixp4xx_io_desc[] __initdata = { 
		.length		= IXP4XX_QMGR_REGION_SIZE,

		.type		= MT_DEVICE

	},

#ifdef CONFIG_DEBUG_LL

	{	/* Debug UART mapping */

		.virtual	= (unsigned long)IXP4XX_DEBUG_UART_BASE_VIRT,

		.pfn		= __phys_to_pfn(IXP4XX_DEBUG_UART_BASE_PHYS),

		.length		= IXP4XX_DEBUG_UART_REGION_SIZE,

		.type		= MT_DEVICE

	}

#endif

};



void __init ixp4xx_map_io(void)

arch/arm/mach-ixp4xx/include/mach/debug-macro.S

+2 −2
Original line number Diff line number Diff line
@@ -17,8 +17,8 @@ 
#else

		mov	\rp, #0

#endif

                orr     \rv, \rp, #0xff000000	@ virtual

		orr	\rv, \rv, #0x00b00000

		orr	\rv, \rp, #0xfe000000	@ virtual

		orr	\rv, \rv, #0x00f00000

                orr     \rp, \rp, #0xc8000000	@ physical

                .endm

arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h

+19 −28
Original line number Diff line number Diff line
@@ -30,52 +30,43 @@ 
 *

 * 0x50000000	0x10000000	ioremap'd	EXP BUS

 *

 * 0x60000000	0x00004000	0xffbe7000	QMgr

 * 0xC8000000	0x00013000	0xFEF00000	On-Chip Peripherals

 *

 * 0xC8000000	0x00013000	0xffbeb000	On-Chip Peripherals

 * 0xC0000000	0x00001000	0xFEF13000	PCI CFG

 *

 * 0xC4000000	0x00001000	0xffbfe000	EXP CFG

 * 0xC4000000	0x00001000	0xFEF14000	EXP CFG

 *

 * 0xC0000000	0x00001000	0xffbff000	PCI CFG

 * 0x60000000	0x00004000	0xFEF15000	QMgr

 */



/*

 * Queue Manager

 */

#define IXP4XX_QMGR_BASE_PHYS		(0x60000000)

#define IXP4XX_QMGR_BASE_VIRT		IOMEM(0xFFBE7000)

#define IXP4XX_QMGR_REGION_SIZE		(0x00004000)

#define IXP4XX_QMGR_BASE_PHYS		0x60000000

#define IXP4XX_QMGR_BASE_VIRT		IOMEM(0xFEF15000)

#define IXP4XX_QMGR_REGION_SIZE		0x00004000



/*

 * Expansion BUS Configuration registers

 * Peripheral space, including debug UART. Must be section-aligned so that

 * it can be used with the low-level debug code.

 */

#define IXP4XX_EXP_CFG_BASE_PHYS	(0xC4000000)

#define IXP4XX_EXP_CFG_BASE_VIRT	IOMEM(0xFFBFE000)

#define IXP4XX_EXP_CFG_REGION_SIZE	(0x00001000)

#define IXP4XX_PERIPHERAL_BASE_PHYS	0xC8000000

#define IXP4XX_PERIPHERAL_BASE_VIRT	IOMEM(0xFEF00000)

#define IXP4XX_PERIPHERAL_REGION_SIZE	0x00013000



/*

 * PCI Config registers

 */

#define IXP4XX_PCI_CFG_BASE_PHYS	(0xC0000000)

#define	IXP4XX_PCI_CFG_BASE_VIRT	IOMEM(0xFFBFF000)

#define IXP4XX_PCI_CFG_REGION_SIZE	(0x00001000)



/*

 * Peripheral space

 */

#define IXP4XX_PERIPHERAL_BASE_PHYS	(0xC8000000)

#define IXP4XX_PERIPHERAL_BASE_VIRT	IOMEM(0xFFBEB000)

#define IXP4XX_PERIPHERAL_REGION_SIZE	(0x00013000)

#define IXP4XX_PCI_CFG_BASE_PHYS	0xC0000000

#define IXP4XX_PCI_CFG_BASE_VIRT	IOMEM(0xFEF13000)

#define IXP4XX_PCI_CFG_REGION_SIZE	0x00001000



/*

 * Debug UART

 *

 * This is basically a remap of UART1 into a region that is section

 * aligned so that it * can be used with the low-level debug code.

 * Expansion BUS Configuration registers

 */

#define	IXP4XX_DEBUG_UART_BASE_PHYS	(0xC8000000)

#define	IXP4XX_DEBUG_UART_BASE_VIRT	IOMEM(0xffb00000)

#define	IXP4XX_DEBUG_UART_REGION_SIZE	(0x00001000)

#define IXP4XX_EXP_CFG_BASE_PHYS	0xC4000000

#define IXP4XX_EXP_CFG_BASE_VIRT	0xFEF14000

#define IXP4XX_EXP_CFG_REGION_SIZE	0x00001000



#define IXP4XX_EXP_CS0_OFFSET	0x00

#define IXP4XX_EXP_CS1_OFFSET   0x04