diff options
| author | Marek Vasut <[email protected]> | 2026-06-04 19:33:15 +0200 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2026-06-08 13:28:49 -0600 |
| commit | 3dd149ba17cd34724bc535d6de290de6e74e177f (patch) | |
| tree | a906b296fc070461847f4b92f84625fcd9c9994d | |
| parent | 75daa277941702bf58c88d65c0cb6ed962899d9e (diff) | |
lmb: Rename LMB_LIMIT_DMA_BELOW_4G to LMB_LIMIT_DMA_BELOW_RAM_TOP
Rename LMB_LIMIT_DMA_BELOW_4G to LMB_LIMIT_DMA_BELOW_RAM_TOP
to make the Kconfig option more descriptive. No functional
change.
Suggested-by: Ilias Apalodimas <[email protected]>
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
| -rw-r--r-- | lib/Kconfig | 7 | ||||
| -rw-r--r-- | lib/lmb.c | 2 |
2 files changed, 5 insertions, 4 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 29911068a69..cf13ac1bdad 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -1295,13 +1295,14 @@ config SPL_LMB_ARCH_MEM_MAP memory map. Enable this config in such scenarios which allow architectures and boards to define their own memory map. -config LMB_LIMIT_DMA_BELOW_4G +config LMB_LIMIT_DMA_BELOW_RAM_TOP bool depends on LMB default y if ARCH_BCM283X help - Some architectures can not DMA above 4 GiB boundary, - limit available memory to memory below 4 GiB boundary. + Some architectures can not DMA above ram_top boundary, + which is after 4 GiB or 32-bit boundary too. Limit the + available memory to memory below ram_top boundary. config PHANDLE_CHECK_SEQ bool "Enable phandle check while getting sequence number" diff --git a/lib/lmb.c b/lib/lmb.c index a2aeb526e29..275d105c5aa 100644 --- a/lib/lmb.c +++ b/lib/lmb.c @@ -628,7 +628,7 @@ static void lmb_add_memory(void) if (size) { lmb_add(bd->bi_dram[i].start, size); - if (!IS_ENABLED(CONFIG_LMB_LIMIT_DMA_BELOW_4G)) + if (!IS_ENABLED(CONFIG_LMB_LIMIT_DMA_BELOW_RAM_TOP)) continue; bank_end = bd->bi_dram[i].start + size; |