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From: Sjoerd Simons <sjoerd@collabora.com>
To: u-boot@lists.denx.de
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>,
	Ilias Apalodimas <ilias.apalodimas@linaro.org>,
	Kautuk Consul <kconsul@ventanamicro.com>,
	Leo Yu-Chi Liang <ycliang@andestech.com>,
	Philippe Reynes <philippe.reynes@softathome.com>,
	Rasmus Villemoes <rasmus.villemoes@prevas.dk>,
	Simon Glass <sjg@chromium.org>,
	Sughosh Ganu <sughosh.ganu@linaro.org>
Subject: [PATCH 1/3] Bump LMB_MAX_REGIONS default to 16
Date: Thu, 19 Jan 2023 09:38:17 +0100	[thread overview]
Message-ID: <20230119083820.2656710-2-sjoerd@collabora.com> (raw)
In-Reply-To: <20230119083820.2656710-1-sjoerd@collabora.com>

Since commit 06d514d77c37 ("lmb: consider EFI memory map") the EFI regions
are also pushed into the lmb if EFI_LOADER is enabled (which is by
default on most system). Which can cause the number of entries to go
over the maximum as it's default is only 8.

Specifically i ran into this case on an TI am62 which has an fdt with
4 reserved regions (in practice 3 lmb entries due to adjecent ranges).

As this is likely to impact more devices bump the default max
regions to 16 so there is a bit more slack.

Signed-off-by: Sjoerd Simons <sjoerd@collabora.com>
---

 lib/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Kconfig b/lib/Kconfig
index def36f275ce..7eb0e7addc7 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -1005,7 +1005,7 @@ config LMB_USE_MAX_REGIONS
 config LMB_MAX_REGIONS
 	int "Number of memory and reserved regions in lmb lib"
 	depends on LMB && LMB_USE_MAX_REGIONS
-	default 8
+	default 16
 	help
 	  Define the number of supported regions, memory and reserved, in the
 	  library logical memory blocks.
-- 
2.39.0


  reply	other threads:[~2023-01-19  8:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-19  8:38 [PATCH 0/3] Fix boot regressions on at least TI am62x Sjoerd Simons
2023-01-19  8:38 ` Sjoerd Simons [this message]
2023-01-26 18:28   ` [PATCH 1/3] Bump LMB_MAX_REGIONS default to 16 Tom Rini
2023-01-27  7:55     ` Sjoerd Simons
2023-01-27 13:22       ` Tom Rini
2023-02-08 20:00   ` Tom Rini
2023-01-19  8:38 ` [PATCH 2/3] lmb: Set correct lmb flags for EFI memory map entries Sjoerd Simons
2023-02-07 16:49   ` Tom Rini
2023-01-19  8:38 ` [PATCH 3/3] lmb: Treat a region which is a subset as equal Sjoerd Simons
2023-02-06 18:04   ` Tom Rini
2023-02-08  7:37     ` Sjoerd Simons
2023-02-08 14:55       ` Tom Rini

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