From c43ed5600b285e7b3bfe868ffe2eb259939c4b98 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 9 Aug 2011 21:30:01 +0200 Subject: [PATCH] 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: Linus Walleij --- arch/arm/mach-u300/Kconfig | 8 -------- arch/arm/mach-u300/core.c | 9 +-------- 2 files changed, 1 insertion(+), 16 deletions(-) diff --git a/arch/arm/mach-u300/Kconfig b/arch/arm/mach-u300/Kconfig index d3a9ca45ef85..966a5a06a58c 100644 --- a/arch/arm/mach-u300/Kconfig +++ b/arch/arm/mach-u300/Kconfig @@ -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 diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 399c89f14dfb..8b78af90166f 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -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) -- 2.39.5