set_sctlr(get_sctlr() | CR_M);
}
+static void fix_pcie_mmu_map(void)
+{
+#ifdef CONFIG_LS2080A
+ unsigned int i;
+ u32 svr, ver;
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+ svr = gur_in32(&gur->svr);
+ ver = SVR_SOC_VER(svr);
+
+ /* Fix PCIE base and size for LS2088A */
+ if ((ver == SVR_LS2088A) || (ver == SVR_LS2084A) ||
+ (ver == SVR_LS2048A) || (ver == SVR_LS2044A)) {
+ for (i = 0; i < ARRAY_SIZE(final_map); i++) {
+ switch (final_map[i].phys) {
+ case CONFIG_SYS_PCIE1_PHYS_ADDR:
+ final_map[i].phys = 0x2000000000ULL;
+ final_map[i].virt = 0x2000000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ case CONFIG_SYS_PCIE2_PHYS_ADDR:
+ final_map[i].phys = 0x2800000000ULL;
+ final_map[i].virt = 0x2800000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ case CONFIG_SYS_PCIE3_PHYS_ADDR:
+ final_map[i].phys = 0x3000000000ULL;
+ final_map[i].virt = 0x3000000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ case CONFIG_SYS_PCIE4_PHYS_ADDR:
+ final_map[i].phys = 0x3800000000ULL;
+ final_map[i].virt = 0x3800000000ULL;
+ final_map[i].size = 0x800000000ULL;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+#endif
+}
+
/*
* The final tables look similar to early tables, but different in detail.
* These tables are in DRAM. Sub tables are added to enable cache for
{
u64 tlb_addr_save = gd->arch.tlb_addr;
unsigned int el = current_el();
-#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
int index;
-#endif
+
+ /* fix the final_map before filling in the block entries */
+ fix_pcie_mmu_map();
mem_map = final_map;
+ /* Update mapping for DDR to actual size */
+ for (index = 0; index < ARRAY_SIZE(final_map) - 2; index++) {
+ /*
+ * Find the entry for DDR mapping and update the address and
+ * size. Zero-sized mapping will be skipped when creating MMU
+ * table.
+ */
+ switch (final_map[index].virt) {
+ case CONFIG_SYS_FSL_DRAM_BASE1:
+ final_map[index].virt = gd->bd->bi_dram[0].start;
+ final_map[index].phys = gd->bd->bi_dram[0].start;
+ final_map[index].size = gd->bd->bi_dram[0].size;
+ break;
+#ifdef CONFIG_SYS_FSL_DRAM_BASE2
+ case CONFIG_SYS_FSL_DRAM_BASE2:
+#if (CONFIG_NR_DRAM_BANKS >= 2)
+ final_map[index].virt = gd->bd->bi_dram[1].start;
+ final_map[index].phys = gd->bd->bi_dram[1].start;
+ final_map[index].size = gd->bd->bi_dram[1].size;
+#else
+ final_map[index].size = 0;
+#endif
+ break;
+#endif
+#ifdef CONFIG_SYS_FSL_DRAM_BASE3
+ case CONFIG_SYS_FSL_DRAM_BASE3:
+#if (CONFIG_NR_DRAM_BANKS >= 3)
+ final_map[index].virt = gd->bd->bi_dram[2].start;
+ final_map[index].phys = gd->bd->bi_dram[2].start;
+ final_map[index].size = gd->bd->bi_dram[2].size;
+#else
+ final_map[index].size = 0;
+#endif
+ break;
+#endif
+ default:
+ break;
+ }
+ }
+
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
if (gd->arch.secure_ram & MEM_RESERVE_SECURE_MAINTAINED) {
if (el == 3) {
setup_pgtables();
gd->arch.tlb_addr = tlb_addr_save;
- /* flush new MMU table */
- flush_dcache_range(gd->arch.tlb_addr,
- gd->arch.tlb_addr + gd->arch.tlb_size);
+ /* Disable cache and MMU */
+ dcache_disable(); /* TLBs are invalidated */
+ invalidate_icache_all();
/* point TTBR to the new table */
set_ttbr_tcr_mair(el, gd->arch.tlb_addr, get_tcr(el, NULL, NULL),
MEMORY_ATTRIBUTES);
- /*
- * EL3 MMU is already enabled, just need to invalidate TLB to load the
- * new table. The new table is compatible with the current table, if
- * MMU somehow walks through the new table before invalidation TLB,
- * it still works. So we don't need to turn off MMU here.
- * When EL2 MMU table is created by calling this function, MMU needs
- * to be enabled.
- */
+
set_sctlr(get_sctlr() | CR_M);
}
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A009635
- erratum_a009635();
+ u32 svr_dev_id;
+ /*
+ * erratum A009635 is valid only for LS2080A SoC and
+ * its personalitiesi
+ */
+ svr_dev_id = get_svr() >> 16;
+ if (svr_dev_id == SVR_DEV_LS2080A)
+ erratum_a009635();
#endif
#if defined(CONFIG_SYS_FSL_ERRATUM_A009942) && defined(CONFIG_SYS_FSL_DDR)
erratum_a009942_check_cpo();
#endif
#ifdef CONFIG_MP
#if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && \
- defined(CONFIG_FSL_PPA_ARMV8_PSCI)
+ defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
/* Check the psci version to determine if the psci is supported */
psci_ver = sec_firmware_support_psci_version();
#endif
{
phys_size_t ram_top = ram_size;
-#ifdef CONFIG_SYS_MEM_TOP_HIDE
-#error CONFIG_SYS_MEM_TOP_HIDE not to be used together with this function
-#endif
-
-/* Carve the MC private DRAM block from the end of DRAM */
#ifdef CONFIG_FSL_MC_ENET
+ /* The start address of MC reserved memory needs to be aligned. */
ram_top -= mc_get_dram_block_size();
ram_top &= ~(CONFIG_SYS_MC_RSV_MEM_ALIGN - 1);
#endif
- return ram_top;
+ return ram_size - ram_top;
+}
+
+phys_size_t get_effective_memsize(void)
+{
+ phys_size_t ea_size, rem = 0;
+
+ /*
+ * For ARMv8 SoCs, DDR memory is split into two or three regions. The
+ * first region is 2GB space at 0x8000_0000. If the memory extends to
+ * the second region (or the third region if applicable), the secure
+ * memory and Management Complex (MC) memory should be put into the
+ * highest region, i.e. the end of DDR memory. CONFIG_MAX_MEM_MAPPED
+ * is set to the size of first region so U-Boot doesn't relocate itself
+ * into higher address. Should DDR be configured to skip the first
+ * region, this function needs to be adjusted.
+ */
+ if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
+ ea_size = CONFIG_MAX_MEM_MAPPED;
+ rem = gd->ram_size - ea_size;
+ } else {
+ ea_size = gd->ram_size;
+ }
+
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+ /* Check if we have enough space for secure memory */
+ if (rem > CONFIG_SYS_MEM_RESERVE_SECURE) {
+ rem -= CONFIG_SYS_MEM_RESERVE_SECURE;
+ } else {
+ if (ea_size > CONFIG_SYS_MEM_RESERVE_SECURE) {
+ ea_size -= CONFIG_SYS_MEM_RESERVE_SECURE;
+ rem = 0; /* Presume MC requires more memory */
+ } else {
+ printf("Error: No enough space for secure memory.\n");
+ }
+ }
+#endif
+ /* Check if we have enough memory for MC */
+ if (rem < board_reserve_ram_top(rem)) {
+ /* Not enough memory in high region to reserve */
+ if (ea_size > board_reserve_ram_top(rem))
+ ea_size -= board_reserve_ram_top(rem);
+ else
+ printf("Error: No enough space for reserved memory.\n");
+ }
+
+ return ea_size;
+}
+
+void dram_init_banksize(void)
+{
+#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
+ phys_size_t dp_ddr_size;
+#endif
+
+ /*
+ * gd->ram_size has the total size of DDR memory, less reserved secure
+ * memory. The DDR extends from low region to high region(s) presuming
+ * no hole is created with DDR configuration. gd->arch.secure_ram tracks
+ * the location of secure memory. gd->arch.resv_ram tracks the location
+ * of reserved memory for Management Complex (MC).
+ */
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
+ gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
+ gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
+ gd->bd->bi_dram[1].size = gd->ram_size -
+ CONFIG_SYS_DDR_BLOCK1_SIZE;
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+ if (gd->bi_dram[1].size > CONFIG_SYS_DDR_BLOCK2_SIZE) {
+ gd->bd->bi_dram[2].start = CONFIG_SYS_DDR_BLOCK3_BASE;
+ gd->bd->bi_dram[2].size = gd->bd->bi_dram[1].size -
+ CONFIG_SYS_DDR_BLOCK2_SIZE;
+ gd->bd->bi_dram[1].size = CONFIG_SYS_DDR_BLOCK2_SIZE;
+ }
+#endif
+ } else {
+ gd->bd->bi_dram[0].size = gd->ram_size;
+ }
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+ if (gd->bd->bi_dram[2].size >= CONFIG_SYS_MEM_RESERVE_SECURE) {
+ gd->bd->bi_dram[2].size -= CONFIG_SYS_MEM_RESERVE_SECURE;
+ gd->arch.secure_ram = gd->bd->bi_dram[2].start +
+ gd->bd->bi_dram[2].size;
+ gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+ gd->ram_size -= CONFIG_SYS_MEM_RESERVE_SECURE;
+ } else
+#endif
+ {
+ if (gd->bd->bi_dram[1].size >= CONFIG_SYS_MEM_RESERVE_SECURE) {
+ gd->bd->bi_dram[1].size -=
+ CONFIG_SYS_MEM_RESERVE_SECURE;
+ gd->arch.secure_ram = gd->bd->bi_dram[1].start +
+ gd->bd->bi_dram[1].size;
+ gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+ gd->ram_size -= CONFIG_SYS_MEM_RESERVE_SECURE;
+ } else if (gd->bd->bi_dram[0].size >
+ CONFIG_SYS_MEM_RESERVE_SECURE) {
+ gd->bd->bi_dram[0].size -=
+ CONFIG_SYS_MEM_RESERVE_SECURE;
+ gd->arch.secure_ram = gd->bd->bi_dram[0].start +
+ gd->bd->bi_dram[0].size;
+ gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+ gd->ram_size -= CONFIG_SYS_MEM_RESERVE_SECURE;
+ }
+ }
+#endif /* CONFIG_SYS_MEM_RESERVE_SECURE */
+
+#ifdef CONFIG_FSL_MC_ENET
+ /* Assign memory for MC */
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+ if (gd->bd->bi_dram[2].size >=
+ board_reserve_ram_top(gd->bd->bi_dram[2].size)) {
+ gd->arch.resv_ram = gd->bd->bi_dram[2].start +
+ gd->bd->bi_dram[2].size -
+ board_reserve_ram_top(gd->bd->bi_dram[2].size);
+ } else
+#endif
+ {
+ if (gd->bd->bi_dram[1].size >=
+ board_reserve_ram_top(gd->bd->bi_dram[1].size)) {
+ gd->arch.resv_ram = gd->bd->bi_dram[1].start +
+ gd->bd->bi_dram[1].size -
+ board_reserve_ram_top(gd->bd->bi_dram[1].size);
+ } else if (gd->bd->bi_dram[0].size >
+ board_reserve_ram_top(gd->bd->bi_dram[0].size)) {
+ gd->arch.resv_ram = gd->bd->bi_dram[0].start +
+ gd->bd->bi_dram[0].size -
+ board_reserve_ram_top(gd->bd->bi_dram[0].size);
+ }
+ }
+#endif /* CONFIG_FSL_MC_ENET */
+
+#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+#error "This SoC shouldn't have DP DDR"
+#endif
+ if (soc_has_dp_ddr()) {
+ /* initialize DP-DDR here */
+ puts("DP-DDR: ");
+ /*
+ * DDR controller use 0 as the base address for binding.
+ * It is mapped to CONFIG_SYS_DP_DDR_BASE for core to access.
+ */
+ dp_ddr_size = fsl_other_ddr_sdram(CONFIG_SYS_DP_DDR_BASE_PHY,
+ CONFIG_DP_DDR_CTRL,
+ CONFIG_DP_DDR_NUM_CTRLS,
+ CONFIG_DP_DDR_DIMM_SLOTS_PER_CTLR,
+ NULL, NULL, NULL);
+ if (dp_ddr_size) {
+ gd->bd->bi_dram[2].start = CONFIG_SYS_DP_DDR_BASE;
+ gd->bd->bi_dram[2].size = dp_ddr_size;
+ } else {
+ puts("Not detected");
+ }
+ }
+#endif
+}
+
+#if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
+void efi_add_known_memory(void)
+{
+ int i;
+ phys_addr_t ram_start, start;
+ phys_size_t ram_size;
+ u64 pages;
+
+ /* Add RAM */
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+#error "This SoC shouldn't have DP DDR"
+#endif
+ if (i == 2)
+ continue; /* skip DP-DDR */
+#endif
+ ram_start = gd->bd->bi_dram[i].start;
+ ram_size = gd->bd->bi_dram[i].size;
+#ifdef CONFIG_RESV_RAM
+ if (gd->arch.resv_ram >= ram_start &&
+ gd->arch.resv_ram < ram_start + ram_size)
+ ram_size = gd->arch.resv_ram - ram_start;
+#endif
+ start = (ram_start + EFI_PAGE_MASK) & ~EFI_PAGE_MASK;
+ pages = (ram_size + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
+
+ efi_add_memory_map(start, pages, EFI_CONVENTIONAL_MEMORY,
+ false);
+ }
+}
+#endif
+
+/*
+ * Before DDR size is known, early MMU table have DDR mapped as device memory
+ * to avoid speculative access. To relocate U-Boot to DDR, "normal memory"
+ * needs to be set for these mappings.
+ * If a special case configures DDR with holes in the mapping, the holes need
+ * to be marked as invalid. This is not implemented in this function.
+ */
+void update_early_mmu_table(void)
+{
+ if (!gd->arch.tlb_addr)
+ return;
+
+ if (gd->ram_size <= CONFIG_SYS_FSL_DRAM_SIZE1) {
+ mmu_change_region_attr(
+ CONFIG_SYS_SDRAM_BASE,
+ gd->ram_size,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ } else {
+ mmu_change_region_attr(
+ CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_DDR_BLOCK1_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+#ifndef CONFIG_SYS_DDR_BLOCK2_SIZE
+#error "Missing CONFIG_SYS_DDR_BLOCK2_SIZE"
+#endif
+ if (gd->ram_size - CONFIG_SYS_DDR_BLOCK1_SIZE >
+ CONFIG_SYS_DDR_BLOCK2_SIZE) {
+ mmu_change_region_attr(
+ CONFIG_SYS_DDR_BLOCK2_BASE,
+ CONFIG_SYS_DDR_BLOCK2_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ mmu_change_region_attr(
+ CONFIG_SYS_DDR_BLOCK3_BASE,
+ gd->ram_size -
+ CONFIG_SYS_DDR_BLOCK1_SIZE -
+ CONFIG_SYS_DDR_BLOCK2_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ } else
+#endif
+ {
+ mmu_change_region_attr(
+ CONFIG_SYS_DDR_BLOCK2_BASE,
+ gd->ram_size -
+ CONFIG_SYS_DDR_BLOCK1_SIZE,
+ PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_OUTER_SHARE |
+ PTE_BLOCK_NS |
+ PTE_TYPE_VALID);
+ }
+ }
+}
+
+__weak int dram_init(void)
+{
+ gd->ram_size = initdram(0);
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+ /* This will break-before-make MMU for DDR */
+ update_early_mmu_table();
+#endif
+
+ return 0;
}