From: Ash Charles Date: Fri, 6 Jun 2014 18:27:28 +0000 (-0700) Subject: omap: Don't enable GPMC CS0 with nothing attached X-Git-Tag: v2014.07~74^2~2^2~12 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2868a5dff373f6d173ba2d060bbe910c38254cbf;p=oweals%2Fu-boot.git omap: Don't enable GPMC CS0 with nothing attached If CONFIG_(NAND|NOR|ONENAND) is not defined, no configuration is set for GPMC on chip select #0---size is 0. In this case, the GPMC configuration should be reset but not enabled. Enabling causes the Gumstix DuoVero board to hang when entering Linux. Signed-off-by: Ash Charles [trini: Switch to testing base as GPMC_SIZE_256M is 0x0] Signed-off-by: Tom Rini --- diff --git a/arch/arm/cpu/armv7/omap-common/mem-common.c b/arch/arm/cpu/armv7/omap-common/mem-common.c index 944ef840a1..11be480abd 100644 --- a/arch/arm/cpu/armv7/omap-common/mem-common.c +++ b/arch/arm/cpu/armv7/omap-common/mem-common.c @@ -133,5 +133,6 @@ void gpmc_init(void) writel(0, &gpmc_cfg->cs[0].config7); sdelay(1000); /* enable chip-select specific configurations */ - enable_gpmc_cs_config(gpmc_regs, &gpmc_cfg->cs[0], base, size); + if (base != 0) + enable_gpmc_cs_config(gpmc_regs, &gpmc_cfg->cs[0], base, size); }