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-rw-r--r--arch/arm/config.mk2
-rw-r--r--arch/arm/cpu/arm720t/interrupts.c6
-rw-r--r--arch/arm/cpu/arm920t/Makefile1
-rw-r--r--arch/arm/cpu/arm920t/s3c24x0/Makefile1
-rw-r--r--arch/arm/cpu/armv7m/Makefile3
-rw-r--r--arch/arm/cpu/armv7m/cache.c336
-rw-r--r--arch/arm/cpu/armv8/zynqmp/Kconfig2
-rw-r--r--arch/arm/cpu/sa1100/cpu.c4
-rw-r--r--arch/arm/include/asm/armv7m.h26
-rw-r--r--arch/arm/lib/Makefile2
-rw-r--r--arch/arm/lib/interrupts.c73
-rw-r--r--arch/arm/lib/stack.c8
-rw-r--r--arch/arm/lib/vectors.S33
-rw-r--r--arch/arm/mach-davinci/misc.c2
-rw-r--r--arch/arm/mach-keystone/cmd_ddr3.c3
-rw-r--r--arch/arm/mach-stm32/stm32f7/soc.c2
16 files changed, 369 insertions, 135 deletions
diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index 08d7d1bc693..907c69371b9 100644
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
@@ -120,7 +120,7 @@ endif
# limit ourselves to the sections we want in the .bin.
ifdef CONFIG_ARM64
OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .data \
- -j .u_boot_list -j .rela.dyn
+ -j .u_boot_list -j .rela.dyn -j .got -j .got.plt
else
OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .hash \
-j .data -j .got -j .got.plt -j .u_boot_list -j .rel.dyn
diff --git a/arch/arm/cpu/arm720t/interrupts.c b/arch/arm/cpu/arm720t/interrupts.c
index e8ba1ae09ef..1edb1a439a1 100644
--- a/arch/arm/cpu/arm720t/interrupts.c
+++ b/arch/arm/cpu/arm720t/interrupts.c
@@ -12,12 +12,6 @@
#include <common.h>
-#ifdef CONFIG_USE_IRQ
-void do_irq (struct pt_regs *pt_regs)
-{
-}
-#endif
-
#if defined(CONFIG_TEGRA)
static ulong timestamp;
static ulong lastdec;
diff --git a/arch/arm/cpu/arm920t/Makefile b/arch/arm/cpu/arm920t/Makefile
index 7aa432a6fc3..8faf34b87ec 100644
--- a/arch/arm/cpu/arm920t/Makefile
+++ b/arch/arm/cpu/arm920t/Makefile
@@ -8,7 +8,6 @@
extra-y = start.o
obj-y += cpu.o
-obj-$(CONFIG_USE_IRQ) += interrupts.o
obj-$(CONFIG_EP93XX) += ep93xx/
obj-$(CONFIG_IMX) += imx/
diff --git a/arch/arm/cpu/arm920t/s3c24x0/Makefile b/arch/arm/cpu/arm920t/s3c24x0/Makefile
index e44c549ba03..e78f8a017c5 100644
--- a/arch/arm/cpu/arm920t/s3c24x0/Makefile
+++ b/arch/arm/cpu/arm920t/s3c24x0/Makefile
@@ -5,7 +5,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-$(CONFIG_USE_IRQ) += interrupts.o
obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o
obj-y += speed.o
obj-y += timer.o
diff --git a/arch/arm/cpu/armv7m/Makefile b/arch/arm/cpu/armv7m/Makefile
index e1a6c407e6a..93c90852193 100644
--- a/arch/arm/cpu/armv7m/Makefile
+++ b/arch/arm/cpu/armv7m/Makefile
@@ -6,6 +6,5 @@
#
extra-y := start.o
-obj-y += cpu.o
-
+obj-y += cpu.o cache.o
obj-$(CONFIG_SYS_ARCH_TIMER) += systick-timer.o
diff --git a/arch/arm/cpu/armv7m/cache.c b/arch/arm/cpu/armv7m/cache.c
new file mode 100644
index 00000000000..162cfe3928f
--- /dev/null
+++ b/arch/arm/cpu/armv7m/cache.c
@@ -0,0 +1,336 @@
+/*
+ * (C) Copyright 2017
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/armv7m.h>
+#include <asm/io.h>
+
+/* Cache maintenance operation registers */
+
+#define V7M_CACHE_REG_ICIALLU ((u32 *)(V7M_CACHE_MAINT_BASE + 0x00))
+#define INVAL_ICACHE_POU 0
+#define V7M_CACHE_REG_ICIMVALU ((u32 *)(V7M_CACHE_MAINT_BASE + 0x08))
+#define V7M_CACHE_REG_DCIMVAC ((u32 *)(V7M_CACHE_MAINT_BASE + 0x0C))
+#define V7M_CACHE_REG_DCISW ((u32 *)(V7M_CACHE_MAINT_BASE + 0x10))
+#define V7M_CACHE_REG_DCCMVAU ((u32 *)(V7M_CACHE_MAINT_BASE + 0x14))
+#define V7M_CACHE_REG_DCCMVAC ((u32 *)(V7M_CACHE_MAINT_BASE + 0x18))
+#define V7M_CACHE_REG_DCCSW ((u32 *)(V7M_CACHE_MAINT_BASE + 0x1C))
+#define V7M_CACHE_REG_DCCIMVAC ((u32 *)(V7M_CACHE_MAINT_BASE + 0x20))
+#define V7M_CACHE_REG_DCCISW ((u32 *)(V7M_CACHE_MAINT_BASE + 0x24))
+#define WAYS_SHIFT 30
+#define SETS_SHIFT 5
+
+/* armv7m processor feature registers */
+
+#define V7M_PROC_REG_CLIDR ((u32 *)(V7M_PROC_FTR_BASE + 0x00))
+#define V7M_PROC_REG_CTR ((u32 *)(V7M_PROC_FTR_BASE + 0x04))
+#define V7M_PROC_REG_CCSIDR ((u32 *)(V7M_PROC_FTR_BASE + 0x08))
+#define MASK_NUM_WAYS GENMASK(12, 3)
+#define MASK_NUM_SETS GENMASK(27, 13)
+#define CLINE_SIZE_MASK GENMASK(2, 0)
+#define NUM_WAYS_SHIFT 3
+#define NUM_SETS_SHIFT 13
+#define V7M_PROC_REG_CSSELR ((u32 *)(V7M_PROC_FTR_BASE + 0x0C))
+#define SEL_I_OR_D BIT(0)
+
+enum cache_type {
+ DCACHE,
+ ICACHE,
+};
+
+/* PoU : Point of Unification, Poc: Point of Coherency */
+enum cache_action {
+ INVALIDATE_POU, /* i-cache invalidate by address */
+ INVALIDATE_POC, /* d-cache invalidate by address */
+ INVALIDATE_SET_WAY, /* d-cache invalidate by sets/ways */
+ FLUSH_POU, /* d-cache clean by address to the PoU */
+ FLUSH_POC, /* d-cache clean by address to the PoC */
+ FLUSH_SET_WAY, /* d-cache clean by sets/ways */
+ FLUSH_INVAL_POC, /* d-cache clean & invalidate by addr to PoC */
+ FLUSH_INVAL_SET_WAY, /* d-cache clean & invalidate by set/ways */
+};
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+struct dcache_config {
+ u32 ways;
+ u32 sets;
+};
+
+static void get_cache_ways_sets(struct dcache_config *cache)
+{
+ u32 cache_size_id = readl(V7M_PROC_REG_CCSIDR);
+
+ cache->ways = (cache_size_id & MASK_NUM_WAYS) >> NUM_WAYS_SHIFT;
+ cache->sets = (cache_size_id & MASK_NUM_SETS) >> NUM_SETS_SHIFT;
+}
+
+/*
+ * Return the io register to perform required cache action like clean or clean
+ * & invalidate by sets/ways.
+ */
+static u32 *get_action_reg_set_ways(enum cache_action action)
+{
+ switch (action) {
+ case INVALIDATE_SET_WAY:
+ return V7M_CACHE_REG_DCISW;
+ case FLUSH_SET_WAY:
+ return V7M_CACHE_REG_DCCSW;
+ case FLUSH_INVAL_SET_WAY:
+ return V7M_CACHE_REG_DCCISW;
+ default:
+ break;
+ };
+
+ return NULL;
+}
+
+/*
+ * Return the io register to perform required cache action like clean or clean
+ * & invalidate by adddress or range.
+ */
+static u32 *get_action_reg_range(enum cache_action action)
+{
+ switch (action) {
+ case INVALIDATE_POU:
+ return V7M_CACHE_REG_ICIMVALU;
+ case INVALIDATE_POC:
+ return V7M_CACHE_REG_DCIMVAC;
+ case FLUSH_POU:
+ return V7M_CACHE_REG_DCCMVAU;
+ case FLUSH_POC:
+ return V7M_CACHE_REG_DCCMVAC;
+ case FLUSH_INVAL_POC:
+ return V7M_CACHE_REG_DCCIMVAC;
+ default:
+ break;
+ }
+
+ return NULL;
+}
+
+static u32 get_cline_size(enum cache_type type)
+{
+ u32 size;
+
+ if (type == DCACHE)
+ clrbits_le32(V7M_PROC_REG_CSSELR, BIT(SEL_I_OR_D));
+ else if (type == ICACHE)
+ setbits_le32(V7M_PROC_REG_CSSELR, BIT(SEL_I_OR_D));
+ /* Make sure cache selection is effective for next memory access */
+ dsb();
+
+ size = readl(V7M_PROC_REG_CCSIDR) & CLINE_SIZE_MASK;
+ /* Size enocoded as 2 less than log(no_of_words_in_cache_line) base 2 */
+ size = 1 << (size + 2);
+ debug("cache line size is %d\n", size);
+
+ return size;
+}
+
+/* Perform the action like invalidate/clean on a range of cache addresses */
+static int action_cache_range(enum cache_action action, u32 start_addr,
+ int64_t size)
+{
+ u32 cline_size;
+ u32 *action_reg;
+ enum cache_type type;
+
+ action_reg = get_action_reg_range(action);
+ if (!action_reg)
+ return -EINVAL;
+ if (action == INVALIDATE_POU)
+ type = ICACHE;
+ else
+ type = DCACHE;
+
+ /* Cache line size is minium size for the cache action */
+ cline_size = get_cline_size(type);
+ /* Align start address to cache line boundary */
+ start_addr &= ~(cline_size - 1);
+ debug("total size for cache action = %llx\n", size);
+ do {
+ writel(start_addr, action_reg);
+ size -= cline_size;
+ start_addr += cline_size;
+ } while (size > cline_size);
+
+ /* Make sure cache action is effective for next memory access */
+ dsb();
+ isb(); /* Make sure instruction stream sees it */
+ debug("cache action on range done\n");
+
+ return 0;
+}
+
+/* Perform the action like invalidate/clean on all cached addresses */
+static int action_dcache_all(enum cache_action action)
+{
+ struct dcache_config cache;
+ u32 *action_reg;
+ int i, j;
+
+ action_reg = get_action_reg_set_ways(action);
+ if (!action_reg)
+ return -EINVAL;
+
+ clrbits_le32(V7M_PROC_REG_CSSELR, BIT(SEL_I_OR_D));
+ /* Make sure cache selection is effective for next memory access */
+ dsb();
+
+ get_cache_ways_sets(&cache); /* Get number of ways & sets */
+ debug("cache: ways= %d, sets= %d\n", cache.ways + 1, cache.sets + 1);
+ for (i = cache.sets; i >= 0; i--) {
+ for (j = cache.ways; j >= 0; j--) {
+ writel((j << WAYS_SHIFT) | (i << SETS_SHIFT),
+ action_reg);
+ }
+ }
+
+ /* Make sure cache action is effective for next memory access */
+ dsb();
+ isb(); /* Make sure instruction stream sees it */
+
+ return 0;
+}
+
+void dcache_enable(void)
+{
+ if (dcache_status()) /* return if cache already enabled */
+ return;
+
+ if (action_dcache_all(INVALIDATE_SET_WAY)) {
+ printf("ERR: D-cache not enabled\n");
+ return;
+ }
+
+ setbits_le32(&V7M_SCB->ccr, BIT(V7M_CCR_DCACHE));
+
+ /* Make sure cache action is effective for next memory access */
+ dsb();
+ isb(); /* Make sure instruction stream sees it */
+}
+
+void dcache_disable(void)
+{
+ if (!dcache_status())
+ return;
+
+ /* if dcache is enabled-> dcache disable & then flush */
+ if (action_dcache_all(FLUSH_SET_WAY)) {
+ printf("ERR: D-cache not flushed\n");
+ return;
+ }
+
+ clrbits_le32(&V7M_SCB->ccr, BIT(V7M_CCR_DCACHE));
+
+ /* Make sure cache action is effective for next memory access */
+ dsb();
+ isb(); /* Make sure instruction stream sees it */
+}
+
+int dcache_status(void)
+{
+ return (readl(&V7M_SCB->ccr) & BIT(V7M_CCR_DCACHE)) != 0;
+}
+
+void invalidate_dcache_range(unsigned long start, unsigned long stop)
+{
+ if (action_cache_range(INVALIDATE_POC, start, stop - start)) {
+ printf("ERR: D-cache not invalidated\n");
+ return;
+ }
+}
+
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+ if (action_cache_range(FLUSH_POC, start, stop - start)) {
+ printf("ERR: D-cache not flushed\n");
+ return;
+ }
+}
+#else
+void dcache_enable(void)
+{
+ return;
+}
+
+void dcache_disable(void)
+{
+ return;
+}
+
+int dcache_status(void)
+{
+ return 0;
+}
+#endif
+
+#ifndef CONFIG_SYS_ICACHE_OFF
+
+void invalidate_icache_all(void)
+{
+ writel(INVAL_ICACHE_POU, V7M_CACHE_REG_ICIALLU);
+
+ /* Make sure cache action is effective for next memory access */
+ dsb();
+ isb(); /* Make sure instruction stream sees it */
+}
+
+void icache_enable(void)
+{
+ if (icache_status())
+ return;
+
+ invalidate_icache_all();
+ setbits_le32(&V7M_SCB->ccr, BIT(V7M_CCR_ICACHE));
+
+ /* Make sure cache action is effective for next memory access */
+ dsb();
+ isb(); /* Make sure instruction stream sees it */
+}
+
+int icache_status(void)
+{
+ return (readl(&V7M_SCB->ccr) & BIT(V7M_CCR_ICACHE)) != 0;
+}
+
+void icache_disable(void)
+{
+ if (!icache_status())
+ return;
+
+ isb(); /* flush pipeline */
+ clrbits_le32(&V7M_SCB->ccr, BIT(V7M_CCR_ICACHE));
+ isb(); /* subsequent instructions fetch see cache disable effect */
+}
+#else
+void icache_enable(void)
+{
+ return;
+}
+
+void icache_disable(void)
+{
+ return;
+}
+
+int icache_status(void)
+{
+ return 0;
+}
+#endif
+
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_ICACHE_OFF
+ icache_enable();
+#endif
+#ifndef CONFIG_SYS_DCACHE_OFF
+ dcache_enable();
+#endif
+}
diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig
index 499e1ddb224..5ac48ebc4d1 100644
--- a/arch/arm/cpu/armv8/zynqmp/Kconfig
+++ b/arch/arm/cpu/armv8/zynqmp/Kconfig
@@ -13,7 +13,7 @@ config SPL_LIBGENERIC_SUPPORT
default y
config SPL_MMC_SUPPORT
- default y
+ default y if MMC_SDHCI_ZYNQ
config SPL_SERIAL_SUPPORT
default y
diff --git a/arch/arm/cpu/sa1100/cpu.c b/arch/arm/cpu/sa1100/cpu.c
index 4c9752a1c82..59585af83a6 100644
--- a/arch/arm/cpu/sa1100/cpu.c
+++ b/arch/arm/cpu/sa1100/cpu.c
@@ -19,10 +19,6 @@
#include <asm/system.h>
#include <asm/io.h>
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
static void cache_flush(void);
int cleanup_before_linux (void)
diff --git a/arch/arm/include/asm/armv7m.h b/arch/arm/include/asm/armv7m.h
index 54d8a2bdff6..ebf0f170428 100644
--- a/arch/arm/include/asm/armv7m.h
+++ b/arch/arm/include/asm/armv7m.h
@@ -16,8 +16,15 @@
.thumb
#endif
-#define V7M_SCB_BASE 0xE000ED00
-#define V7M_MPU_BASE 0xE000ED90
+/* armv7m fixed base addresses */
+#define V7M_SCS_BASE 0xE000E000
+#define V7M_NVIC_BASE (V7M_SCS_BASE + 0x0100)
+#define V7M_SCB_BASE (V7M_SCS_BASE + 0x0D00)
+#define V7M_PROC_FTR_BASE (V7M_SCS_BASE + 0x0D78)
+#define V7M_MPU_BASE (V7M_SCS_BASE + 0x0D90)
+#define V7M_FPU_BASE (V7M_SCS_BASE + 0x0F30)
+#define V7M_CACHE_MAINT_BASE (V7M_SCS_BASE + 0x0F50)
+#define V7M_ACCESS_CNTL_BASE (V7M_SCS_BASE + 0x0F90)
#define V7M_SCB_VTOR 0x08
@@ -27,6 +34,18 @@ struct v7m_scb {
uint32_t icsr; /* Interrupt Control and State Register */
uint32_t vtor; /* Vector Table Offset Register */
uint32_t aircr; /* App Interrupt and Reset Control Register */
+ uint32_t scr; /* offset 0x10: System Control Register */
+ uint32_t ccr; /* offset 0x14: Config and Control Register */
+ uint32_t shpr1; /* offset 0x18: System Handler Priority Reg 1 */
+ uint32_t shpr2; /* offset 0x1c: System Handler Priority Reg 2 */
+ uint32_t shpr3; /* offset 0x20: System Handler Priority Reg 3 */
+ uint32_t shcrs; /* offset 0x24: System Handler Control State */
+ uint32_t cfsr; /* offset 0x28: Configurable Fault Status Reg */
+ uint32_t hfsr; /* offset 0x2C: HardFault Status Register */
+ uint32_t res; /* offset 0x30: reserved */
+ uint32_t mmar; /* offset 0x34: MemManage Fault Address Reg */
+ uint32_t bfar; /* offset 0x38: BusFault Address Reg */
+ uint32_t afsr; /* offset 0x3C: Auxiliary Fault Status Reg */
};
#define V7M_SCB ((struct v7m_scb *)V7M_SCB_BASE)
@@ -39,6 +58,9 @@ struct v7m_scb {
#define V7M_ICSR_VECTACT_MSK 0xFF
+#define V7M_CCR_DCACHE 16
+#define V7M_CCR_ICACHE 17
+
struct v7m_mpu {
uint32_t type; /* Type Register */
uint32_t ctrl; /* Control Register */
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index b95e10599b6..6e96cfb0c5d 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -55,8 +55,10 @@ endif
obj-y += cache.o
ifndef CONFIG_ARM64
+ifndef CONFIG_CPU_V7M
obj-y += cache-cp15.o
endif
+endif
obj-y += psci-dt.o
diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c
index ed83043abb4..066c172bb32 100644
--- a/arch/arm/lib/interrupts.c
+++ b/arch/arm/lib/interrupts.c
@@ -26,75 +26,6 @@
DECLARE_GLOBAL_DATA_PTR;
-#ifdef CONFIG_USE_IRQ
-int interrupt_init (void)
-{
- unsigned long cpsr;
-
- /*
- * setup up stacks if necessary
- */
- IRQ_STACK_START = gd->irq_sp - 4;
- IRQ_STACK_START_IN = gd->irq_sp + 8;
- FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-
-
- __asm__ __volatile__("mrs %0, cpsr\n"
- : "=r" (cpsr)
- :
- : "memory");
-
- __asm__ __volatile__("msr cpsr_c, %0\n"
- "mov sp, %1\n"
- :
- : "r" (IRQ_MODE | I_BIT | F_BIT | (cpsr & ~FIQ_MODE)),
- "r" (IRQ_STACK_START)
- : "memory");
-
- __asm__ __volatile__("msr cpsr_c, %0\n"
- "mov sp, %1\n"
- :
- : "r" (FIQ_MODE | I_BIT | F_BIT | (cpsr & ~IRQ_MODE)),
- "r" (FIQ_STACK_START)
- : "memory");
-
- __asm__ __volatile__("msr cpsr_c, %0"
- :
- : "r" (cpsr)
- : "memory");
-
- return arch_interrupt_init();
-}
-
-/* enable IRQ interrupts */
-void enable_interrupts (void)
-{
- unsigned long temp;
- __asm__ __volatile__("mrs %0, cpsr\n"
- "bic %0, %0, #0x80\n"
- "msr cpsr_c, %0"
- : "=r" (temp)
- :
- : "memory");
-}
-
-
-/*
- * disable IRQ/FIQ interrupts
- * returns true if interrupts had been enabled before we disabled them
- */
-int disable_interrupts (void)
-{
- unsigned long old,temp;
- __asm__ __volatile__("mrs %0, cpsr\n"
- "orr %1, %0, #0xc0\n"
- "msr cpsr_c, %1"
- : "=r" (old), "=r" (temp)
- :
- : "memory");
- return (old & 0x80) == 0;
-}
-#else
int interrupt_init (void)
{
/*
@@ -113,8 +44,6 @@ int disable_interrupts (void)
{
return 0;
}
-#endif
-
void bad_mode (void)
{
@@ -212,7 +141,6 @@ void do_fiq (struct pt_regs *pt_regs)
bad_mode ();
}
-#ifndef CONFIG_USE_IRQ
void do_irq (struct pt_regs *pt_regs)
{
efi_restore_gd();
@@ -220,4 +148,3 @@ void do_irq (struct pt_regs *pt_regs)
show_regs (pt_regs);
bad_mode ();
}
-#endif
diff --git a/arch/arm/lib/stack.c b/arch/arm/lib/stack.c
index 4614d2657cd..737622d26f0 100644
--- a/arch/arm/lib/stack.c
+++ b/arch/arm/lib/stack.c
@@ -25,14 +25,6 @@ int arch_reserve_stacks(void)
gd->irq_sp = gd->start_addr_sp;
# if !defined(CONFIG_ARM64)
-# ifdef CONFIG_USE_IRQ
- gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
- debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
- CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp);
-
- /* 8-byte alignment for ARM ABI compliance */
- gd->start_addr_sp &= ~0x07;
-# endif
/* leave 3 words for abort-stack, plus 1 for alignment */
gd->start_addr_sp -= 16;
# endif
diff --git a/arch/arm/lib/vectors.S b/arch/arm/lib/vectors.S
index 9fe7415b66c..f53b1e9a2bc 100644
--- a/arch/arm/lib/vectors.S
+++ b/arch/arm/lib/vectors.S
@@ -128,19 +128,6 @@ fiq:
IRQ_STACK_START_IN:
.word 0x0badc0de
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
- .word 0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
- .word 0x0badc0de
-
-#endif /* CONFIG_USE_IRQ */
-
@
@ IRQ stack frame.
@
@@ -264,24 +251,6 @@ not_used:
bad_save_user_regs
bl do_not_used
-#ifdef CONFIG_USE_IRQ
-
- .align 5
-irq:
- get_irq_stack
- irq_save_user_regs
- bl do_irq
- irq_restore_user_regs
-
- .align 5
-fiq:
- get_fiq_stack
- /* someone ought to write a more effiction fiq_save_user_regs */
- irq_save_user_regs
- bl do_fiq
- irq_restore_user_regs
-
-#else
.align 5
irq:
@@ -295,6 +264,4 @@ fiq:
bad_save_user_regs
bl do_fiq
-#endif /* CONFIG_USE_IRQ */
-
#endif /* CONFIG_SPL_BUILD */
diff --git a/arch/arm/mach-davinci/misc.c b/arch/arm/mach-davinci/misc.c
index e1064e0a2f4..ec331ba6bb8 100644
--- a/arch/arm/mach-davinci/misc.c
+++ b/arch/arm/mach-davinci/misc.c
@@ -107,7 +107,6 @@ void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
#endif /* CONFIG_DRIVER_TI_EMAC */
#if defined(CONFIG_SOC_DA8XX)
-#ifndef CONFIG_USE_IRQ
void irq_init(void)
{
/*
@@ -122,7 +121,6 @@ void irq_init(void)
writel(0xffffffff, &davinci_aintc_regs->ecr2);
writel(0xffffffff, &davinci_aintc_regs->ecr3);
}
-#endif
/*
* Enable PSC for various peripherals.
diff --git a/arch/arm/mach-keystone/cmd_ddr3.c b/arch/arm/mach-keystone/cmd_ddr3.c
index ea78ad8fd53..d3eab0711c3 100644
--- a/arch/arm/mach-keystone/cmd_ddr3.c
+++ b/arch/arm/mach-keystone/cmd_ddr3.c
@@ -15,12 +15,13 @@
DECLARE_GLOBAL_DATA_PTR;
#define DDR_MIN_ADDR CONFIG_SYS_SDRAM_BASE
+#define STACKSIZE (512 << 10) /* 512 KiB */
#define DDR_REMAP_ADDR 0x80000000
#define ECC_START_ADDR1 ((DDR_MIN_ADDR - DDR_REMAP_ADDR) >> 17)
#define ECC_END_ADDR1 (((gd->start_addr_sp - DDR_REMAP_ADDR - \
- CONFIG_STACKSIZE) >> 17) - 2)
+ STACKSIZE) >> 17) - 2)
#define DDR_TEST_BURST_SIZE 1024
diff --git a/arch/arm/mach-stm32/stm32f7/soc.c b/arch/arm/mach-stm32/stm32f7/soc.c
index 06af631cc10..6f9704ab788 100644
--- a/arch/arm/mach-stm32/stm32f7/soc.c
+++ b/arch/arm/mach-stm32/stm32f7/soc.c
@@ -58,6 +58,8 @@ int arch_cpu_init(void)
(V7M_MPU_RASR_XN_ENABLE
| V7M_MPU_RASR_AP_RW_RW
| 0x01 << V7M_MPU_RASR_TEX_SHIFT
+ | 0x01 << V7M_MPU_RASR_B_SHIFT
+ | 0x01 << V7M_MPU_RASR_C_SHIFT
| V7M_MPU_RASR_SIZE_8MB
| V7M_MPU_RASR_EN)
, &V7M_MPU->rasr