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authorOlof Johansson <olof@lixom.net>2012-01-26 23:13:20 -0800
committerOlof Johansson <olof@lixom.net>2012-01-26 23:13:20 -0800
commitd8c4cd7463ab4b09aa0b1bd79f36c3ebacd2cc77 (patch)
treec383591478a2f364deb0523fc2f86aafdd21eac5
parent3c8cee3b408ba3d2e2527eef734b5503ac5c9188 (diff)
parent2ab1159e80e8f416071e9f51e4f77b9173948296 (diff)
downloadlinux-linaro-stable-d8c4cd7463ab4b09aa0b1bd79f36c3ebacd2cc77.tar.gz
Merge branch 'fixes-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes
* 'fixes-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: mach-ux500: no MMC_CAP_SD_HIGHSPEED on Snowball mach-ux500: enable ARM errata 764369 mach-ux500: do not override outer.inv_all mach-ux500: musb: now musb is always in OTG mode
-rw-r--r--arch/arm/mach-ux500/Kconfig1
-rw-r--r--arch/arm/mach-ux500/board-mop500-sdi.c2
-rw-r--r--arch/arm/mach-ux500/cache-l2x0.c48
-rw-r--r--arch/arm/mach-ux500/usb.c6
4 files changed, 10 insertions, 47 deletions
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index a3e0c8692f0d..52af00446a63 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"
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index 23be34b3bb6e..5dde4d4ebe88 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 */
diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c
index 122ddde00ba7..da5569d83d58 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;
}
diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c
index 0a01cbdfe063..9f9e1c203061 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,
};