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| author | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2020-07-20 07:46:53 +0200 |
|---|---|---|
| committer | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2020-07-31 08:26:14 +0200 |
| commit | 02c9eb8567eac4bc3b5531204cb14d9c8513ccbe (patch) | |
| tree | d9d7f0f56bce8fd0886c4c70830ec29f7f69d1bd /bsps/shared/start | |
| parent | bsp/imx: Use GPIOs for SPI CS (diff) | |
| download | rtems-02c9eb8567eac4bc3b5531204cb14d9c8513ccbe.tar.bz2 | |
bsps/fdt: Make sure data is cache aligned
The cache of the fdt blob is flushed after copy. Therefore it should be
aligned.
Diffstat (limited to 'bsps/shared/start')
| -rw-r--r-- | bsps/shared/start/bsp-fdt.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/bsps/shared/start/bsp-fdt.c b/bsps/shared/start/bsp-fdt.c index 7e8d8922a8..50a485eb16 100644 --- a/bsps/shared/start/bsp-fdt.c +++ b/bsps/shared/start/bsp-fdt.c @@ -29,10 +29,11 @@ #ifdef BSP_FDT_BLOB_READ_ONLY static const uint32_t -bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)] = { 0xdeadbeef }; +bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)] CPU_STRUCTURE_ALIGNMENT = + { 0xdeadbeef }; #else static uint32_t -bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)]; +bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)] CPU_STRUCTURE_ALIGNMENT; #endif void bsp_fdt_copy(const void *src) @@ -48,6 +49,7 @@ void bsp_fdt_copy(const void *src) if (s != d) { size_t m = MIN(sizeof(bsp_fdt_blob), fdt_totalsize(src)); + size_t aligned_size = roundup2(m, CPU_CACHE_LINE_BYTES); size_t n = (m + sizeof(*d) - 1) / sizeof(*d); size_t i; @@ -55,7 +57,7 @@ void bsp_fdt_copy(const void *src) d[i] = s[i]; } - rtems_cache_flush_multiple_data_lines(d, m); + rtems_cache_flush_multiple_data_lines(d, aligned_size); } } |