diff options
| author | Christoph Müllner <christoph.muellner@theobroma-systems.com> | 2019-05-04 16:22:49 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2019-08-11 11:26:41 +0200 |
| commit | 67db918f97fc48ab0ee40301376dea60729bebc5 (patch) | |
| tree | b9aa00a492871d23af43c82617dbfc1b0260ba87 | |
| parent | 4e32676984db6fa20c982937b196658b0cea9613 (diff) | |
board_f: Add mach specific DMA address check function.
Some machines have limited DMA engines, which cannot deal
with arbitrary addresses. This patch introduces a function
to model these restrictions on a machine level.
Signed-off-by: Christoph Müllner <christoph.muellner@theobroma-systems.com>
| -rw-r--r-- | common/board_f.c | 5 | ||||
| -rw-r--r-- | include/init.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/common/board_f.c b/common/board_f.c index 4760d728f3..75a208019e 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -1053,3 +1053,8 @@ void board_init_f_r(void) hang(); } #endif /* CONFIG_X86 */ + +__weak int mach_addr_is_dmaable(void __iomem *ptr) +{ + return 1; +} diff --git a/include/init.h b/include/init.h index afc953d51e..1653d5086f 100644 --- a/include/init.h +++ b/include/init.h @@ -125,6 +125,8 @@ int misc_init_f(void); int embedded_dtb_select(void); #endif +int mach_addr_is_dmaable(void __iomem *ptr); + /* common/init/board_init.c */ extern ulong monitor_flash_len; |