diff options
Diffstat (limited to 'arch/arm/mach-bcmring/mm.c')
| -rw-r--r-- | arch/arm/mach-bcmring/mm.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/mm.c b/arch/arm/mach-bcmring/mm.c new file mode 100644 index 00000000..1adec78e --- /dev/null +++ b/arch/arm/mach-bcmring/mm.c @@ -0,0 +1,60 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <asm/page.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/csp/mm_io.h> + +#define IO_DESC(va, sz) { .virtual = va, \ + .pfn = __phys_to_pfn(HW_IO_VIRT_TO_PHYS(va)), \ + .length = sz, \ + .type = MT_DEVICE } + +#define MEM_DESC(va, sz) { .virtual = va, \ + .pfn = __phys_to_pfn(HW_IO_VIRT_TO_PHYS(va)), \ + .length = sz, \ + .type = MT_MEMORY } + +static struct map_desc bcmring_io_desc[] __initdata = { + IO_DESC(MM_IO_BASE_NAND, SZ_64K), /* phys:0x28000000-0x28000FFF virt:0xE8000000-0xE8000FFF size:0x00010000 */ + IO_DESC(MM_IO_BASE_UMI, SZ_64K), /* phys:0x2C000000-0x2C000FFF virt:0xEC000000-0xEC000FFF size:0x00010000 */ + + IO_DESC(MM_IO_BASE_BROM, SZ_64K), /* phys:0x30000000-0x3000FFFF virt:0xF3000000-0xF300FFFF size:0x00010000 */ + MEM_DESC(MM_IO_BASE_ARAM, SZ_1M), /* phys:0x31000000-0x31FFFFFF virt:0xF3100000-0xF31FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_DMA0, SZ_1M), /* phys:0x32000000-0x32FFFFFF virt:0xF3200000-0xF32FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_DMA1, SZ_1M), /* phys:0x33000000-0x33FFFFFF virt:0xF3300000-0xF33FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_ESW, SZ_1M), /* phys:0x34000000-0x34FFFFFF virt:0xF3400000-0xF34FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_CLCD, SZ_1M), /* phys:0x35000000-0x35FFFFFF virt:0xF3500000-0xF35FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_APM, SZ_1M), /* phys:0x36000000-0x36FFFFFF virt:0xF3600000-0xF36FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_SPUM, SZ_1M), /* phys:0x37000000-0x37FFFFFF virt:0xF3700000-0xF37FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_VPM_PROG, SZ_1M), /* phys:0x38000000-0x38FFFFFF virt:0xF3800000-0xF38FFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_VPM_DATA, SZ_1M), /* phys:0x3A000000-0x3AFFFFFF virt:0xF3A00000-0xF3AFFFFF size:0x01000000 */ + + IO_DESC(MM_IO_BASE_VRAM, SZ_64K), /* phys:0x40000000-0x4000FFFF virt:0xF4000000-0xF400FFFF size:0x00010000 */ + IO_DESC(MM_IO_BASE_CHIPC, SZ_16M), /* phys:0x80000000-0x80FFFFFF virt:0xF8000000-0xF8FFFFFF size:0x01000000 */ + IO_DESC(MM_IO_BASE_VPM_EXTMEM_RSVD, + SZ_16M), /* phys:0x0F000000-0x0FFFFFFF virt:0xF0000000-0xF0FFFFFF size:0x01000000 */ +}; + +void __init bcmring_map_io(void) +{ + + iotable_init(bcmring_io_desc, ARRAY_SIZE(bcmring_io_desc)); + /* Maximum DMA memory allowed is 14M */ + init_consistent_dma_size(14 << 20); +} |