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-rw-r--r--arch/arm/include/asm/cputype.h14
-rw-r--r--arch/arm/include/asm/div64.h2
-rw-r--r--arch/arm/include/asm/mcpm.h7
-rw-r--r--arch/arm/include/asm/tlb.h12
-rw-r--r--arch/arm/include/debug/imx-uart.h11
-rw-r--r--arch/arm/include/debug/vf.S15
-rw-r--r--arch/arm/include/debug/zynq.S10
-rw-r--r--arch/arm/include/uapi/asm/unistd.h1
8 files changed, 57 insertions, 15 deletions
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index c651e3b26ec7..4764344367d4 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -222,22 +222,22 @@ static inline int cpu_is_xsc3(void)
#endif
/*
- * Marvell's PJ4 core is based on V7 version. It has some modification
- * for coprocessor setting. For this reason, we need a way to distinguish
- * it.
+ * Marvell's PJ4 and PJ4B cores are based on V7 version,
+ * but require a specical sequence for enabling coprocessors.
+ * For this reason, we need a way to distinguish them.
*/
-#ifndef CONFIG_CPU_PJ4
-#define cpu_is_pj4() 0
-#else
+#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
static inline int cpu_is_pj4(void)
{
unsigned int id;
id = read_cpuid_id();
- if ((id & 0xfffffff0) == 0x562f5840)
+ if ((id & 0xff0fff00) == 0x560f5800)
return 1;
return 0;
}
+#else
+#define cpu_is_pj4() 0
#endif
#endif
diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h
index 191ada6e4d2d..662c7bd06108 100644
--- a/arch/arm/include/asm/div64.h
+++ b/arch/arm/include/asm/div64.h
@@ -156,7 +156,7 @@
/* Select the best insn combination to perform the */ \
/* actual __m * __n / (__p << 64) operation. */ \
if (!__c) { \
- asm ( "umull %Q0, %R0, %1, %Q2\n\t" \
+ asm ( "umull %Q0, %R0, %Q1, %Q2\n\t" \
"mov %Q0, #0" \
: "=&r" (__res) \
: "r" (__m), "r" (__n) \
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
index 608516ebabfe..a5ff410dcdb6 100644
--- a/arch/arm/include/asm/mcpm.h
+++ b/arch/arm/include/asm/mcpm.h
@@ -54,6 +54,13 @@ void mcpm_set_early_poke(unsigned cpu, unsigned cluster,
*/
/**
+ * mcpm_is_available - returns whether MCPM is initialized and available
+ *
+ * This returns true or false accordingly.
+ */
+bool mcpm_is_available(void);
+
+/**
* mcpm_cpu_power_up - make given CPU in given cluster runable
*
* @cpu: CPU number within given cluster
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 0baf7f0d9394..f1a0dace3efe 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -98,15 +98,25 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb)
}
}
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
{
tlb_flush(tlb);
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
free_pages_and_swap_cache(tlb->pages, tlb->nr);
tlb->nr = 0;
if (tlb->pages == tlb->local)
__tlb_alloc_page(tlb);
}
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+ tlb_flush_mmu_tlbonly(tlb);
+ tlb_flush_mmu_free(tlb);
+}
+
static inline void
tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
{
diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index 42b823cd2d22..032a316eb802 100644
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -81,6 +81,15 @@
#define IMX6SL_UART_BASE_ADDR(n) IMX6SL_UART##n##_BASE_ADDR
#define IMX6SL_UART_BASE(n) IMX6SL_UART_BASE_ADDR(n)
+#define IMX6SX_UART1_BASE_ADDR 0x02020000
+#define IMX6SX_UART2_BASE_ADDR 0x021e8000
+#define IMX6SX_UART3_BASE_ADDR 0x021ec000
+#define IMX6SX_UART4_BASE_ADDR 0x021f0000
+#define IMX6SX_UART5_BASE_ADDR 0x021f4000
+#define IMX6SX_UART6_BASE_ADDR 0x022a0000
+#define IMX6SX_UART_BASE_ADDR(n) IMX6SX_UART##n##_BASE_ADDR
+#define IMX6SX_UART_BASE(n) IMX6SX_UART_BASE_ADDR(n)
+
#define IMX_DEBUG_UART_BASE(soc) soc##_UART_BASE(CONFIG_DEBUG_IMX_UART_PORT)
#ifdef CONFIG_DEBUG_IMX1_UART
@@ -103,6 +112,8 @@
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX6Q)
#elif defined(CONFIG_DEBUG_IMX6SL_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX6SL)
+#elif defined(CONFIG_DEBUG_IMX6SX_UART)
+#define UART_PADDR IMX_DEBUG_UART_BASE(IMX6SX)
#endif
#endif /* __DEBUG_IMX_UART_H */
diff --git a/arch/arm/include/debug/vf.S b/arch/arm/include/debug/vf.S
index ba12cc44b2cb..b88933849a17 100644
--- a/arch/arm/include/debug/vf.S
+++ b/arch/arm/include/debug/vf.S
@@ -7,9 +7,20 @@
*
*/
+#define VF_UART0_BASE_ADDR 0x40027000
+#define VF_UART1_BASE_ADDR 0x40028000
+#define VF_UART2_BASE_ADDR 0x40029000
+#define VF_UART3_BASE_ADDR 0x4002a000
+#define VF_UART_BASE_ADDR(n) VF_UART##n##_BASE_ADDR
+#define VF_UART_BASE(n) VF_UART_BASE_ADDR(n)
+#define VF_UART_PHYSICAL_BASE VF_UART_BASE(CONFIG_DEBUG_VF_UART_PORT)
+
+#define VF_UART_VIRTUAL_BASE 0xfe000000
+
.macro addruart, rp, rv, tmp
- ldr \rp, =0x40028000 @ physical
- ldr \rv, =0xfe028000 @ virtual
+ ldr \rp, =VF_UART_PHYSICAL_BASE @ physical
+ and \rv, \rp, #0xffffff @ offset within 16MB section
+ add \rv, \rv, #VF_UART_VIRTUAL_BASE
.endm
.macro senduart, rd, rx
diff --git a/arch/arm/include/debug/zynq.S b/arch/arm/include/debug/zynq.S
index 0b762fafa758..bd13dedbdeff 100644
--- a/arch/arm/include/debug/zynq.S
+++ b/arch/arm/include/debug/zynq.S
@@ -20,18 +20,18 @@
#define UART_SR_TXEMPTY 0x00000008 /* TX FIFO empty */
#define UART0_PHYS 0xE0000000
+#define UART0_VIRT 0xF0000000
#define UART1_PHYS 0xE0001000
-#define UART_SIZE SZ_4K
-#define UART_VIRT 0xF0001000
+#define UART1_VIRT 0xF0001000
#if IS_ENABLED(CONFIG_DEBUG_ZYNQ_UART1)
# define LL_UART_PADDR UART1_PHYS
+# define LL_UART_VADDR UART1_VIRT
#else
# define LL_UART_PADDR UART0_PHYS
+# define LL_UART_VADDR UART0_VIRT
#endif
-#define LL_UART_VADDR UART_VIRT
-
.macro addruart, rp, rv, tmp
ldr \rp, =LL_UART_PADDR @ physical
ldr \rv, =LL_UART_VADDR @ virtual
@@ -43,12 +43,14 @@
.macro waituart,rd,rx
1001: ldr \rd, [\rx, #UART_SR_OFFSET]
+ARM_BE8( rev \rd, \rd )
tst \rd, #UART_SR_TXEMPTY
beq 1001b
.endm
.macro busyuart,rd,rx
1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register
+ARM_BE8( rev \rd, \rd )
tst \rd, #UART_SR_TXFULL @
bne 1002b @ wait if FIFO is full
.endm
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index fb5584d0cc05..ba94446c72d9 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -408,6 +408,7 @@
#define __NR_finit_module (__NR_SYSCALL_BASE+379)
#define __NR_sched_setattr (__NR_SYSCALL_BASE+380)
#define __NR_sched_getattr (__NR_SYSCALL_BASE+381)
+#define __NR_renameat2 (__NR_SYSCALL_BASE+382)
/*
* This may need to be greater than __NR_last_syscall+1 in order to