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Commit c43ed560 authored by Linus Walleij's avatar Linus Walleij
Browse files

mach-u300: drop SEMI config option 



When we have only dual-RAM configurations, the SEMI (shared
memory interface) must always be enabled.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 73285146

arch/arm/mach-u300/Kconfig

+0 −8
Original line number Diff line number Diff line
@@ -54,14 +54,6 @@ config U300_DEBUG 
	help

		Debug support for U300 in sysfs, procfs etc.



config MACH_U300_SEMI_IS_SHARED

	bool "The SEMI is used by both the access and application side"

	depends on MACH_U300

	help

		This makes it possible to use the SEMI (Shared External

		Memory Interface) from both from access and application

		side.



config MACH_U300_SPIDUMMY

	bool "SSP/SPI dummy chip"

	select SPI

arch/arm/mach-u300/core.c

+1 −8
Original line number Diff line number Diff line
@@ -1837,17 +1837,10 @@ void __init u300_init_devices(void) 
	/* Register subdevices on the SPI bus */

	u300_spi_register_board_devices();



#ifndef CONFIG_MACH_U300_SEMI_IS_SHARED

	/*

	 * Enable SEMI self refresh. Self-refresh of the SDRAM is entered when

	 * both subsystems are requesting this mode.

	 * If we not share the Acc SDRAM, this is never the case. Therefore

	 * enable it here from the App side.

	 */

	/* Enable SEMI self refresh */

	val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) |

		U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE;

	writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);

#endif /* CONFIG_MACH_U300_SEMI_IS_SHARED */

}



static int core_module_init(void)