From a5fea953bbcff57f30cf5027ae63069a869f8e31 Mon Sep 17 00:00:00 2001 From: Philippe Langlais Date: Mon, 19 Dec 2011 08:52:43 +0100 Subject: mach-ux500: musb: now musb is always in OTG mode This change is needed after 622859634 "usb: musb: drop a gigantic amount of ifdeferry", where CONFIG_USB_MUSB_PERIPHERAL & CONFIG_USB_MUSB_HOST has been removed. Signed-off-by: Philippe Langlais Acked-by: Felipe Balbi Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/usb.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c index 0a01cbdfe06..9f9e1c20306 100644 --- a/arch/arm/mach-ux500/usb.c +++ b/arch/arm/mach-ux500/usb.c @@ -95,13 +95,7 @@ static struct musb_hdrc_config musb_hdrc_config = { }; static struct musb_hdrc_platform_data musb_platform_data = { -#if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, -#elif defined(CONFIG_USB_MUSB_PERIPHERAL) - .mode = MUSB_PERIPHERAL, -#else /* defined(CONFIG_USB_MUSB_HOST) */ - .mode = MUSB_HOST, -#endif .config = &musb_hdrc_config, .board_data = &musb_board_data, }; -- cgit v1.2.3 From dd821823fad54d6ccc328e2f1b9698a6f9bd8f3e Mon Sep 17 00:00:00 2001 From: srinidhi kasagar Date: Tue, 17 Jan 2012 11:29:39 +0530 Subject: mach-ux500: do not override outer.inv_all Invalidating outer cache without disabling it is a big nono, and so, remove the machine specific outer.inv_all And at the same time it does not prevent us overriding outer.disable as we do not have any such secure SMI to handle the same while kexec disables the outer cache. Signed-off-by: Srinidhi Kasagar Reviewed-by: Will Deacon Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/cache-l2x0.c | 48 ++++++---------------------------------- 1 file changed, 7 insertions(+), 41 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c index 122ddde00ba..da5569d83d5 100644 --- a/arch/arm/mach-ux500/cache-l2x0.c +++ b/arch/arm/mach-ux500/cache-l2x0.c @@ -12,44 +12,6 @@ static void __iomem *l2x0_base; -static inline void ux500_cache_wait(void __iomem *reg, unsigned long mask) -{ - /* wait for the operation to complete */ - while (readl_relaxed(reg) & mask) - cpu_relax(); -} - -static inline void ux500_cache_sync(void) -{ - writel_relaxed(0, l2x0_base + L2X0_CACHE_SYNC); - ux500_cache_wait(l2x0_base + L2X0_CACHE_SYNC, 1); -} - -/* - * The L2 cache cannot be turned off in the non-secure world. - * Dummy until a secure service is in place. - */ -static void ux500_l2x0_disable(void) -{ -} - -/* - * This is only called when doing a kexec, just after turning off the L2 - * and L1 cache, and it is surrounded by a spinlock in the generic version. - * However, we're not really turning off the L2 cache right now and the - * PL310 does not support exclusive accesses (used to implement the spinlock). - * So, the invalidation needs to be done without the spinlock. - */ -static void ux500_l2x0_inv_all(void) -{ - uint32_t l2x0_way_mask = (1<<16) - 1; /* Bitmask of active ways */ - - /* invalidate all ways */ - writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); - ux500_cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask); - ux500_cache_sync(); -} - static int __init ux500_l2x0_unlock(void) { int i; @@ -85,9 +47,13 @@ static int __init ux500_l2x0_init(void) /* 64KB way size, 8 way associativity, force WA */ l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff); - /* Override invalidate function */ - outer_cache.disable = ux500_l2x0_disable; - outer_cache.inv_all = ux500_l2x0_inv_all; + /* + * We can't disable l2 as we are in non secure mode, currently + * this seems be called only during kexec path. So let's + * override outer.disable with nasty assignment until we have + * some SMI service available. + */ + outer_cache.disable = NULL; return 0; } -- cgit v1.2.3 From d65015f7c5c5be9fd3f5e567889c844ba81bdc9c Mon Sep 17 00:00:00 2001 From: Srinidhi KASAGAR Date: Thu, 12 Jan 2012 11:07:43 +0530 Subject: mach-ux500: enable ARM errata 764369 This applies ARM errata 764369 for all ux500 platforms. Cc: stable@kernel.org Signed-off-by: Srinidhi Kasagar Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch') diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index a3e0c8692f0..52af00446a6 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -7,6 +7,7 @@ config UX500_SOC_COMMON select HAS_MTU select ARM_ERRATA_753970 select ARM_ERRATA_754322 + select ARM_ERRATA_764369 menu "Ux500 SoC" -- cgit v1.2.3 From 2ab1159e80e8f416071e9f51e4f77b9173948296 Mon Sep 17 00:00:00 2001 From: Philippe Langlais Date: Fri, 20 Jan 2012 09:20:40 +0100 Subject: mach-ux500: no MMC_CAP_SD_HIGHSPEED on Snowball MMC_CAP_SD_HIGHSPEED is not supported on Snowball board resulting on initialization errors. Cc: stable@kernel.org Signed-off-by: Mathieu Poirier Signed-off-by: Fredrik Soderstedt Signed-off-by: Philippe Langlais Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/board-mop500-sdi.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c index 23be34b3bb6..5dde4d4ebe8 100644 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ b/arch/arm/mach-ux500/board-mop500-sdi.c @@ -261,6 +261,8 @@ void __init mop500_sdi_init(void) void __init snowball_sdi_init(void) { + /* On Snowball MMC_CAP_SD_HIGHSPEED isn't supported (Hardware issue?) */ + mop500_sdi0_data.capabilities &= ~MMC_CAP_SD_HIGHSPEED; /* On-board eMMC */ db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID); /* External Micro SD slot */ -- cgit v1.2.3