diff options
| author | Álvaro Fernández Rojas | 2018-04-29 21:56:54 +0200 |
|---|---|---|
| committer | Daniel Schwierzeck | 2018-06-01 15:56:02 +0200 |
| commit | 30a90f56c3a20da0456e09e6e665b648719b8935 (patch) | |
| tree | cb89e7bcd28929b59dc90cb5cced979d9b19b090 /drivers/core | |
| parent | c3c863880479edeb5b08226e622d13c91326e4a7 (diff) | |
dm: core: add functions to get memory-mapped I/O addresses
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core')
| -rw-r--r-- | drivers/core/fdtaddr.c | 15 | ||||
| -rw-r--r-- | drivers/core/read.c | 17 |
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c index 528cf472960..f8cdbd6688d 100644 --- a/drivers/core/fdtaddr.c +++ b/drivers/core/fdtaddr.c @@ -136,6 +136,21 @@ void *devfdt_get_addr_ptr(struct udevice *dev) return (void *)(uintptr_t)devfdt_get_addr_index(dev, 0); } +void *devfdt_remap_addr_index(struct udevice *dev, int index) +{ + fdt_addr_t addr = devfdt_get_addr(dev); + + if (addr == FDT_ADDR_T_NONE) + return NULL; + + return map_physmem(addr, 0, MAP_NOCACHE); +} + +void *devfdt_remap_addr(struct udevice *dev) +{ + return devfdt_remap_addr_index(dev, 0); +} + void *devfdt_map_physmem(struct udevice *dev, unsigned long size) { fdt_addr_t addr = devfdt_get_addr(dev); diff --git a/drivers/core/read.c b/drivers/core/read.c index 0322cbf3300..96766c7876a 100644 --- a/drivers/core/read.c +++ b/drivers/core/read.c @@ -4,6 +4,8 @@ * Written by Simon Glass <sjg@chromium.org> */ +#include <asm/types.h> +#include <asm/io.h> #include <common.h> #include <dm.h> #include <mapmem.h> @@ -57,6 +59,16 @@ fdt_addr_t dev_read_addr_index(struct udevice *dev, int index) return devfdt_get_addr_index(dev, index); } +void *dev_remap_addr_index(struct udevice *dev, int index) +{ + fdt_addr_t addr = dev_read_addr_index(dev, index); + + if (addr == FDT_ADDR_T_NONE) + return NULL; + + return map_physmem(addr, 0, MAP_NOCACHE); +} + fdt_addr_t dev_read_addr(struct udevice *dev) { return dev_read_addr_index(dev, 0); @@ -69,6 +81,11 @@ void *dev_read_addr_ptr(struct udevice *dev) return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0); } +void *dev_remap_addr(struct udevice *dev) +{ + return dev_remap_addr_index(dev, 0); +} + fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property, fdt_size_t *sizep) { |