diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/301-arch-0005-arch-arm-add-ARM-specific-fucntions-required-for-ehc.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/301-arch-0005-arch-arm-add-ARM-specific-fucntions-required-for-ehc.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/target/linux/layerscape/patches-5.4/301-arch-0005-arch-arm-add-ARM-specific-fucntions-required-for-ehc.patch b/target/linux/layerscape/patches-5.4/301-arch-0005-arch-arm-add-ARM-specific-fucntions-required-for-ehc.patch deleted file mode 100644 index ddb77d438b..0000000000 --- a/target/linux/layerscape/patches-5.4/301-arch-0005-arch-arm-add-ARM-specific-fucntions-required-for-ehc.patch +++ /dev/null @@ -1,79 +0,0 @@ -From 3bc37b0ee99b9d66ac47aea02784242cb3224366 Mon Sep 17 00:00:00 2001 -From: Zhao Qiang <B45475@freescale.com> -Date: Fri, 10 Oct 2014 10:38:48 +0800 -Subject: [PATCH] arch: arm: add ARM specific fucntions required for ehci fsl - driver - -Add below functions for ARM platform which are used by ehci fsl driver: -1. spin_event_timeout function -2. set/clear bits functions - -Signed-off-by: Zhao Qiang <B45475@freescale.com> -Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com> ---- - arch/arm/include/asm/delay.h | 16 ++++++++++++++++ - arch/arm/include/asm/io.h | 28 ++++++++++++++++++++++++++++ - 2 files changed, 44 insertions(+) - ---- a/arch/arm/include/asm/delay.h -+++ b/arch/arm/include/asm/delay.h -@@ -85,6 +85,22 @@ extern void __bad_udelay(void); - __const_udelay((n) * UDELAY_MULT)) : \ - __udelay(n)) - -+#define spin_event_timeout(condition, timeout, delay) \ -+({ \ -+ typeof(condition) __ret; \ -+ int i = 0; \ -+ while (!(__ret = (condition)) && (i++ < timeout)) { \ -+ if (delay) \ -+ udelay(delay); \ -+ else \ -+ cpu_relax(); \ -+ udelay(1); \ -+ } \ -+ if (!__ret) \ -+ __ret = (condition); \ -+ __ret; \ -+}) -+ - /* Loop-based definitions for assembly code. */ - extern void __loop_delay(unsigned long loops); - extern void __loop_udelay(unsigned long usecs); ---- a/arch/arm/include/asm/io.h -+++ b/arch/arm/include/asm/io.h -@@ -224,6 +224,34 @@ void __iomem *pci_remap_cfgspace(resourc - #endif - #endif - -+/* access ports */ -+#define setbits32(_addr, _v) iowrite32be(ioread32be(_addr) | (_v), (_addr)) -+#define clrbits32(_addr, _v) iowrite32be(ioread32be(_addr) & ~(_v), (_addr)) -+ -+#define setbits16(_addr, _v) iowrite16be(ioread16be(_addr) | (_v), (_addr)) -+#define clrbits16(_addr, _v) iowrite16be(ioread16be(_addr) & ~(_v), (_addr)) -+ -+#define setbits8(_addr, _v) iowrite8(ioread8(_addr) | (_v), (_addr)) -+#define clrbits8(_addr, _v) iowrite8(ioread8(_addr) & ~(_v), (_addr)) -+ -+/* Clear and set bits in one shot. These macros can be used to clear and -+ * set multiple bits in a register using a single read-modify-write. These -+ * macros can also be used to set a multiple-bit bit pattern using a mask, -+ * by specifying the mask in the 'clear' parameter and the new bit pattern -+ * in the 'set' parameter. -+ */ -+ -+#define clrsetbits_be32(addr, clear, set) \ -+ iowrite32be((ioread32be(addr) & ~(clear)) | (set), (addr)) -+#define clrsetbits_le32(addr, clear, set) \ -+ iowrite32le((ioread32le(addr) & ~(clear)) | (set), (addr)) -+#define clrsetbits_be16(addr, clear, set) \ -+ iowrite16be((ioread16be(addr) & ~(clear)) | (set), (addr)) -+#define clrsetbits_le16(addr, clear, set) \ -+ iowrite16le((ioread16le(addr) & ~(clear)) | (set), (addr)) -+#define clrsetbits_8(addr, clear, set) \ -+ iowrite8((ioread8(addr) & ~(clear)) | (set), (addr)) -+ - /* - * IO port access primitives - * ------------------------- |