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Commit 5aa12e8c authored by Jonas Aaberg's avatar Jonas Aaberg Committed by Dan Williams
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DMAENGINE: ste_dma40: arch updates for LCLA and LCPA 



This follows on the patch to allocate LCLA dynamically: the
on-chip memory is needed for other things so now that that
we're using it dynamically we can remove the LCLA resource
altogether and free up some ESRAM memory.

Signed-off-by: default avatarJonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 508849ad

arch/arm/mach-ux500/devices-db8500.c

+7 −12
Original line number Diff line number Diff line
@@ -119,20 +119,15 @@ static struct resource dma40_resources[] = { 
	},

	[1] = {

		.start = U8500_DMA_LCPA_BASE,

		.end = U8500_DMA_LCPA_BASE + SZ_4K - 1,

		.end   = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,

		.flags = IORESOURCE_MEM,

		.name  = "lcpa",

	},

	[2] = {

		.start = U8500_DMA_LCLA_BASE,

		.end = U8500_DMA_LCLA_BASE + 16 * 1024 - 1,

		.flags = IORESOURCE_MEM,

		.name = "lcla",

	},

	[3] = {

		.start = IRQ_DMA,

		.end   = IRQ_DMA,

		.flags = IORESOURCE_IRQ}

		.flags = IORESOURCE_IRQ,

	}

};



/* Default configuration for physcial memcpy */

arch/arm/mach-ux500/include/mach/db8500-regs.h

+2 −3
Original line number Diff line number Diff line
@@ -15,9 +15,8 @@ 
#define U8500_ESRAM_BANK2	(U8500_ESRAM_BANK1 + U8500_ESRAM_BANK_SIZE)

#define U8500_ESRAM_BANK3	(U8500_ESRAM_BANK2 + U8500_ESRAM_BANK_SIZE)

#define U8500_ESRAM_BANK4	(U8500_ESRAM_BANK3 + U8500_ESRAM_BANK_SIZE)

/* Use bank 4 for DMA LCLA and LCPA */

#define U8500_DMA_LCLA_BASE	U8500_ESRAM_BANK4

#define U8500_DMA_LCPA_BASE	(U8500_ESRAM_BANK4 + 0x4000)

/* Use bank 4 for DMA LCPA */

#define U8500_DMA_LCPA_BASE	U8500_ESRAM_BANK4



#define U8500_PER3_BASE		0x80000000

#define U8500_STM_BASE		0x80100000