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-rw-r--r--c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c352
1 files changed, 0 insertions, 352 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c
deleted file mode 100644
index b59d9c7114..0000000000
--- a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/**
- * @file
- *
- * @ingroup QorIQMMU
- *
- * @brief MMU implementation.
- */
-
-/*
- * Copyright (c) 2011, 2018 embedded brains GmbH. All rights reserved.
- *
- * embedded brains GmbH
- * Dornierstr. 4
- * 82178 Puchheim
- * Germany
- * <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <bsp.h>
-#include <bsp/bootcard.h>
-#include <bsp/fdt.h>
-#include <bsp/linker-symbols.h>
-#include <bsp/mmu.h>
-#include <bsp/qoriq.h>
-
-#include <sys/param.h>
-
-#include <libfdt.h>
-
-#include <rtems/config.h>
-
-#define TEXT __attribute__((section(".bsp_start_text")))
-#define DATA __attribute__((section(".bsp_start_data")))
-
-typedef struct {
- uintptr_t begin;
- uintptr_t size;
- uint32_t mas2;
- uint32_t mas3;
- uint32_t mas7;
-} entry;
-
-#define ENTRY_X(b, s) { \
- .begin = (uintptr_t) b, \
- .size = (uintptr_t) s, \
- .mas2 = 0, \
- .mas3 = FSL_EIS_MAS3_SX \
-}
-
-#define ENTRY_R(b, s) { \
- .begin = (uintptr_t) b, \
- .size = (uintptr_t) s, \
- .mas2 = 0, \
- .mas3 = FSL_EIS_MAS3_SR \
-}
-
-#ifdef RTEMS_SMP
- #define ENTRY_RW_MAS2 FSL_EIS_MAS2_M
-#else
- #define ENTRY_RW_MAS2 0
-#endif
-
-#define ENTRY_RW(b, s) { \
- .begin = (uintptr_t) b, \
- .size = (uintptr_t) s, \
- .mas2 = ENTRY_RW_MAS2, \
- .mas3 = FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW \
-}
-
-#define ENTRY_IO(b, s) { \
- .begin = (uintptr_t) b, \
- .size = (uintptr_t) s, \
- .mas2 = FSL_EIS_MAS2_I | FSL_EIS_MAS2_G, \
- .mas3 = FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW \
-}
-
-#define ENTRY_DEV(b, s) { \
- .begin = (uintptr_t) b, \
- .size = (uintptr_t) s, \
- .mas2 = FSL_EIS_MAS2_I | FSL_EIS_MAS2_G, \
- .mas3 = FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW, \
- .mas7 = QORIQ_MMU_DEVICE_MAS7 \
-}
-
-/*
- * MMU entry for BMan and QMan software portals.
- *
- * The M bit must be set if stashing is used, see 3.3.8.6 DQRR Entry Stashing
- * and 3.3.8 Software Portals in T4240DPAARM.
- *
- * The G bit must be set, otherwise ECC errors in the QMan software portals
- * will occur. No documentation reference for this is available.
- */
-#define ENTRY_DEV_CACHED(b, s) { \
- .begin = (uintptr_t) b, \
- .size = (uintptr_t) s, \
- .mas2 = FSL_EIS_MAS2_M | FSL_EIS_MAS2_G, \
- .mas3 = FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW, \
- .mas7 = QORIQ_MMU_DEVICE_MAS7 \
-}
-
-#define WORKSPACE_ENTRY_INDEX 0
-
-static entry DATA config[] = {
- /* Must be first entry, see WORKSPACE_ENTRY_INDEX */
- ENTRY_RW(bsp_section_work_begin, bsp_section_work_size),
-
- #if defined(RTEMS_MULTIPROCESSING) && \
- defined(QORIQ_INTERCOM_AREA_BEGIN) && \
- defined(QORIQ_INTERCOM_AREA_SIZE)
- {
- .begin = QORIQ_INTERCOM_AREA_BEGIN,
- .size = QORIQ_INTERCOM_AREA_SIZE,
- .mas2 = FSL_EIS_MAS2_M,
- .mas3 = FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW
- },
- #endif
- ENTRY_X(bsp_section_start_begin, bsp_section_start_size),
- ENTRY_R(bsp_section_fast_text_load_begin, bsp_section_fast_text_size),
- ENTRY_X(bsp_section_fast_text_begin, bsp_section_fast_text_size),
- ENTRY_X(bsp_section_text_begin, bsp_section_text_size),
- ENTRY_R(bsp_section_rodata_load_begin, bsp_section_rodata_size),
- ENTRY_R(bsp_section_rodata_begin, bsp_section_rodata_size),
- ENTRY_R(bsp_section_fast_data_load_begin, bsp_section_fast_data_size),
- ENTRY_RW(bsp_section_fast_data_begin, bsp_section_fast_data_size),
- ENTRY_R(bsp_section_data_load_begin, bsp_section_data_size),
- ENTRY_RW(bsp_section_data_begin, bsp_section_data_size),
- ENTRY_RW(bsp_section_sbss_begin, bsp_section_sbss_size),
- ENTRY_RW(bsp_section_bss_begin, bsp_section_bss_size),
- ENTRY_RW(bsp_section_rwextra_begin, bsp_section_rwextra_size),
- ENTRY_RW(bsp_section_stack_begin, bsp_section_stack_size),
- ENTRY_IO(bsp_section_nocache_begin, bsp_section_nocache_size),
- ENTRY_IO(bsp_section_nocachenoload_begin, bsp_section_nocachenoload_size),
-#ifndef QORIQ_IS_HYPERVISOR_GUEST
-#if QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT)
- /* BMan Portals */
- ENTRY_DEV_CACHED(&qoriq_bman_portal[0][0], sizeof(qoriq_bman_portal[0])),
- ENTRY_DEV(&qoriq_bman_portal[1][0], sizeof(qoriq_bman_portal[1])),
- /* QMan Portals */
- ENTRY_DEV_CACHED(&qoriq_qman_portal[0][0], sizeof(qoriq_qman_portal[0])),
- ENTRY_DEV(&qoriq_qman_portal[1][0], sizeof(qoriq_qman_portal[1])),
-#endif
- ENTRY_DEV(&qoriq, sizeof(qoriq))
-#endif
-};
-
-static DATA char memory_path[] = "/memory";
-
-#ifdef QORIQ_IS_HYPERVISOR_GUEST
-static void TEXT add_dpaa_bqman_portals(
- qoriq_mmu_context *context,
- const void *fdt,
- const char *compatible
-)
-{
- int node;
-
- node = -1;
-
- while (true) {
- const void *val;
- int len;
- uintptr_t paddr;
- uintptr_t size;
-
- node = fdt_node_offset_by_compatible(fdt, node, compatible);
- if (node < 0) {
- break;
- }
-
- val = fdt_getprop(fdt, node, "reg", &len);
- if (len != 32) {
- continue;
- }
-
- paddr = (uintptr_t) fdt64_to_cpu(((fdt64_t *) val)[0]);
- size = (uintptr_t) fdt64_to_cpu(((fdt64_t *) val)[1]);
-
- qoriq_mmu_add(
- context,
- paddr,
- paddr + size - 1,
- 0,
- FSL_EIS_MAS2_M | FSL_EIS_MAS2_G,
- FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW,
- QORIQ_MMU_DEVICE_MAS7
- );
-
- paddr = (uintptr_t) fdt64_to_cpu(((fdt64_t *) val)[2]);
- size = (uintptr_t) fdt64_to_cpu(((fdt64_t *) val)[3]);
-
- qoriq_mmu_add(
- context,
- paddr,
- paddr + size - 1,
- 0,
- FSL_EIS_MAS2_I | FSL_EIS_MAS2_G,
- FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW,
- QORIQ_MMU_DEVICE_MAS7
- );
- }
-}
-
-static void TEXT add_dpaa_bpool(qoriq_mmu_context *context, const void *fdt)
-{
- int node;
-
- node = -1;
-
- while (true) {
- const void *val;
- int len;
- uintptr_t config_count;
- uintptr_t size;
- uintptr_t paddr;
-
- node = fdt_node_offset_by_compatible(fdt, node, "fsl,bpool");
- if (node < 0) {
- break;
- }
-
- val = fdt_getprop(fdt, node, "fsl,bpool-ethernet-cfg", &len);
- if (len != 24) {
- continue;
- }
-
- config_count = (uintptr_t) fdt64_to_cpu(((fdt64_t *) val)[0]);
- size = (uintptr_t) fdt64_to_cpu(((fdt64_t *) val)[1]);
- paddr = (uintptr_t) fdt64_to_cpu(((fdt64_t *) val)[2]);
-
- qoriq_mmu_add(
- context,
- paddr,
- paddr + config_count * size - 1,
- 0,
- FSL_EIS_MAS2_M,
- FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW,
- 0
- );
- }
-}
-#endif
-
-static void TEXT config_fdt_adjust(const void *fdt)
-{
- int node;
-
- node = fdt_path_offset_namelen(
- fdt,
- memory_path,
- (int) sizeof(memory_path) - 1
- );
-
- if (node >= 0) {
- int len;
- const void *val;
- uint64_t mem_begin;
- uint64_t mem_size;
-
- val = fdt_getprop(fdt, node, "reg", &len);
- if (len == 8) {
- mem_begin = fdt32_to_cpu(((fdt32_t *) val)[0]);
- mem_size = fdt32_to_cpu(((fdt32_t *) val)[1]);
- } else if (len == 16) {
- mem_begin = fdt64_to_cpu(((fdt64_t *) val)[0]);
- mem_size = fdt64_to_cpu(((fdt64_t *) val)[1]);
- } else {
- mem_begin = 0;
- mem_size = 0;
- }
-
-#ifndef __powerpc64__
- mem_size = MIN(mem_size, 0x80000000U);
-#endif
-
- if (
- mem_begin == 0
- && mem_size > (uintptr_t) bsp_section_work_end
- && (uintptr_t) bsp_section_nocache_end
- < (uintptr_t) bsp_section_work_end
- ) {
- /* Assign new value to allow a bsp_restart() */
- config[WORKSPACE_ENTRY_INDEX].size = (uintptr_t) mem_size
- - (uintptr_t) bsp_section_work_begin;
- }
- }
-}
-
-void TEXT qoriq_mmu_config(bool boot_processor, int first_tlb, int scratch_tlb)
-{
- qoriq_mmu_context context;
- const void *fdt;
- int max_count;
- int i;
-
- for (i = 0; i < QORIQ_TLB1_ENTRY_COUNT; ++i) {
- if (i != scratch_tlb) {
- qoriq_tlb1_invalidate(i);
- }
- }
-
- fdt = bsp_fdt_get();
- qoriq_mmu_context_init(&context);
-
-#ifdef QORIQ_IS_HYPERVISOR_GUEST
- add_dpaa_bqman_portals(&context, fdt, "fsl,bman-portal");
- add_dpaa_bqman_portals(&context, fdt, "fsl,qman-portal");
- add_dpaa_bpool(&context, fdt);
- max_count = QORIQ_TLB1_ENTRY_COUNT - 1;
-#else
- max_count = (3 * QORIQ_TLB1_ENTRY_COUNT) / 4;
-#endif
-
- if (boot_processor) {
- config_fdt_adjust(fdt);
- }
-
- for (i = 0; i < (int) (sizeof(config) / sizeof(config [0])); ++i) {
- const entry *cur = &config [i];
- if (cur->size > 0) {
- qoriq_mmu_add(
- &context,
- cur->begin,
- cur->begin + cur->size - 1,
- 0,
- cur->mas2,
- cur->mas3,
- cur->mas7
- );
- }
- }
-
- qoriq_mmu_partition(&context, max_count);
- qoriq_mmu_write_to_tlb1(&context, first_tlb);
-}
-
-void TEXT bsp_work_area_initialize(void)
-{
- const entry *we = &config[WORKSPACE_ENTRY_INDEX];
- uintptr_t begin = we->begin;
- uintptr_t end = begin + we->size;
-
-#ifdef BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN
- begin += rtems_configuration_get_interrupt_stack_size();
-#endif
-
- bsp_work_area_initialize_default((void *) begin, end - begin);
-}
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