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bsp/arm: Invalidate SCU

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This commit is contained in:
Ralf Kirchner
2013-10-16 10:39:05 +02:00
committed by Sebastian Huber
parent 34568acf68
commit f5c106456c
2 changed files with 25 additions and 1 deletions
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12
c/src/lib/libbsp/arm/shared/include/arm-a9mpcore-regs.h
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@@ -46,6 +46,18 @@ typedef struct {
#define A9MPCORE_SCU_CFG_TAG_RAM_SIZE_SET(reg, val) BSP_FLD32SET(reg, val, 8, 15)
uint32_t pwrst;
uint32_t invss;
#define A9MPCORE_SCU_INVSS_CPU0(ways) BSP_FLD32(val, 0, 3)
#define A9MPCORE_SCU_INVSS_CPU0_GET(reg) /* Write only register */
#define A9MPCORE_SCU_INVSS_CPU0_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
#define A9MPCORE_SCU_INVSS_CPU1(ways) BSP_FLD32(val, 4, 7)
#define A9MPCORE_SCU_INVSS_CPU1_GET(reg) /* Write only register */
#define A9MPCORE_SCU_INVSS_CPU1_SET(reg, val) BSP_FLD32SET(reg, val, 4, 7)
#define A9MPCORE_SCU_INVSS_CPU2(ways) BSP_FLD32(val, 8, 11)
#define A9MPCORE_SCU_INVSS_CPU2_GET(reg) /* Write only register */
#define A9MPCORE_SCU_INVSS_CPU2_SET(reg, val) BSP_FLD32SET(reg, val, 8, 11)
#define A9MPCORE_SCU_INVSS_CPU3(ways) BSP_FLD32(val, 12, 15)
#define A9MPCORE_SCU_INVSS_CPU3_GET(reg) /* Write only register */
#define A9MPCORE_SCU_INVSS_CPU3_SET(reg, val) BSP_FLD32SET(reg, val, 12, 15)
uint32_t reserved_10[12];
uint32_t fltstart;
uint32_t fltend;

14
c/src/lib/libbsp/arm/shared/include/arm-a9mpcore-start.h
View File

@@ -7,7 +7,7 @@
*/
/*
* Copyright (c) 2013 embedded brains GmbH. All rights reserved.
* Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -70,6 +70,15 @@ BSP_START_TEXT_SECTION static inline arm_a9mpcore_start_set_vector_base(void)
}
}
BSP_START_TEXT_SECTION static inline arm_a9mpcore_start_scu_invalidate(
volatile a9mpcore_scu *scu,
uint32_t cpu_id,
uint32_t ways
)
{
scu->invss = (ways & 0xf) << ((cpu_id & 0x3) * 4);
}
BSP_START_TEXT_SECTION static inline arm_a9mpcore_start_hook_0(void)
{
#ifdef RTEMS_SMP
@@ -86,6 +95,9 @@ BSP_START_TEXT_SECTION static inline arm_a9mpcore_start_hook_0(void)
arm_cp15_set_auxiliary_control(actlr);
cpu_id = arm_cortex_a9_get_multiprocessor_cpu_id();
arm_a9mpcore_start_scu_invalidate(scu, cpu_id, 0xf);
if (cpu_id != 0) {
arm_a9mpcore_start_set_vector_base();