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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2023-10-19 13:06:49 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-10-19 13:27:13 +0200 |
| commit | dba1c26f708de5b0553d70aaabaa0f14133ee0aa (patch) | |
| tree | 4a92002c7c9f5f33f27cbfdd77221b5e8208ab30 /arch/arm/mach-layerscape | |
| parent | d81732cb22e00eb2a91861fd33e53f65dd7174ce (diff) | |
| download | barebox-dba1c26f708de5b0553d70aaabaa0f14133ee0aa.tar.gz barebox-dba1c26f708de5b0553d70aaabaa0f14133ee0aa.tar.xz | |
arm: layerscape: ppa: reserve SDRAM region for PPA
The region the PPA is stored may not be speculated into by the CPU.
We have reserve_sdram_region() for this purpose. With this the region
is mapped uncached with excute never bit set. Use this rather than
request_sdram_region().
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-layerscape')
| -rw-r--r-- | arch/arm/mach-layerscape/ppa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-layerscape/ppa.c b/arch/arm/mach-layerscape/ppa.c index 3fa73d555f..6c3fdff381 100644 --- a/arch/arm/mach-layerscape/ppa.c +++ b/arch/arm/mach-layerscape/ppa.c @@ -117,7 +117,7 @@ int ls1046a_ppa_init(resource_size_t ppa_start, resource_size_t ppa_size) size_t ppa_fw_size; int ret; - res = request_sdram_region("ppa", ppa_start, ppa_size); + res = reserve_sdram_region("ppa", ppa_start, ppa_size); if (!res) { pr_err("Cannot request SDRAM region %pa - %pa\n", &ppa_start, &ppa_end); |