DECLARE_GLOBAL_DATA_PTR;
+static struct mm_region layerscape_mem_map[] = {
+ {
+ /* List terminator */
+ 0,
+ }
+};
+struct mm_region *mem_map = layerscape_mem_map;
+
void cpu_name(char *name)
{
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
}
#ifndef CONFIG_SYS_DCACHE_OFF
+static void set_pgtable_section(u64 *page_table, u64 index, u64 section,
+ u64 memory_type, u64 attribute)
+{
+ u64 value;
+
+ value = section | PTE_TYPE_BLOCK | PTE_BLOCK_AF;
+ value |= PMD_ATTRINDX(memory_type);
+ value |= attribute;
+ page_table[index] = value;
+}
+
+static void set_pgtable_table(u64 *page_table, u64 index, u64 *table_addr)
+{
+ u64 value;
+
+ value = (u64)table_addr | PTE_TYPE_TABLE;
+ page_table[index] = value;
+}
+
/*
* Set the block entries according to the information of the table.
*/
temp_base -= block_size;
- if ((level_table[index - 1] & PMD_TYPE_MASK) ==
- PMD_TYPE_TABLE) {
+ if ((level_table[index - 1] & PTE_TYPE_MASK) ==
+ PTE_TYPE_TABLE) {
level_table = (u64 *)(level_table[index - 1] &
- ~PMD_TYPE_MASK);
+ ~PTE_TYPE_MASK);
level++;
continue;
} else {
set_sctlr(get_sctlr() | CR_M);
}
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+/*
+ * Called from final mmu setup. The phys_addr is new, non-existing
+ * address. A new sub table is created @level2_table_secure to cover
+ * size of CONFIG_SYS_MEM_RESERVE_SECURE memory.
+ */
+static inline int final_secure_ddr(u64 *level0_table,
+ u64 *level2_table_secure,
+ phys_addr_t phys_addr)
+{
+ int ret = -EINVAL;
+ struct table_info table = {};
+ struct sys_mmu_table ddr_entry = {
+ 0, 0, BLOCK_SIZE_L1, MT_NORMAL,
+ PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
+ };
+ u64 index;
+
+ /* Need to create a new table */
+ ddr_entry.virt_addr = phys_addr & ~(BLOCK_SIZE_L1 - 1);
+ ddr_entry.phys_addr = phys_addr & ~(BLOCK_SIZE_L1 - 1);
+ ret = find_table(&ddr_entry, &table, level0_table);
+ if (ret)
+ return ret;
+ index = (ddr_entry.virt_addr - table.table_base) >> SECTION_SHIFT_L1;
+ set_pgtable_table(table.ptr, index, level2_table_secure);
+ table.ptr = level2_table_secure;
+ table.table_base = ddr_entry.virt_addr;
+ table.entry_size = BLOCK_SIZE_L2;
+ ret = set_block_entry(&ddr_entry, &table);
+ if (ret) {
+ printf("MMU error: could not fill non-secure ddr block entries\n");
+ return ret;
+ }
+ ddr_entry.virt_addr = phys_addr;
+ ddr_entry.phys_addr = phys_addr;
+ ddr_entry.size = CONFIG_SYS_MEM_RESERVE_SECURE;
+ ddr_entry.attribute = PTE_BLOCK_OUTER_SHARE;
+ ret = find_table(&ddr_entry, &table, level0_table);
+ if (ret) {
+ printf("MMU error: could not find secure ddr table\n");
+ return ret;
+ }
+ ret = set_block_entry(&ddr_entry, &table);
+ if (ret)
+ printf("MMU error: could not set secure ddr block entry\n");
+
+ return ret;
+}
+#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
* QBMan and OCRAM.
*
+ * Put the MMU table in secure memory if gd->secure_ram is valid.
+ * OCRAM will be not used for this purpose so gd->secure_ram can't be 0.
+ *
* Level 1 table 0 contains 512 entries for each 1GB from 0 to 512GB.
* Level 1 table 1 contains 512 entries for each 1GB from 512GB to 1TB.
* Level 2 table 0 contains 512 entries for each 2MB from 0 to 1GB.
*/
static inline void final_mmu_setup(void)
{
- unsigned int el, i;
+ unsigned int el = current_el();
+ unsigned int i;
u64 *level0_table = (u64 *)gd->arch.tlb_addr;
- u64 *level1_table0 = (u64 *)(gd->arch.tlb_addr + 0x1000);
- u64 *level1_table1 = (u64 *)(gd->arch.tlb_addr + 0x2000);
- u64 *level2_table0 = (u64 *)(gd->arch.tlb_addr + 0x3000);
-#ifdef CONFIG_FSL_LSCH3
- u64 *level2_table1 = (u64 *)(gd->arch.tlb_addr + 0x4000);
-#elif defined(CONFIG_FSL_LSCH2)
- u64 *level2_table1 = (u64 *)(gd->arch.tlb_addr + 0x4000);
- u64 *level2_table2 = (u64 *)(gd->arch.tlb_addr + 0x5000);
+ u64 *level1_table0;
+ u64 *level1_table1;
+ u64 *level2_table0;
+ u64 *level2_table1;
+#ifdef CONFIG_FSL_LSCH2
+ u64 *level2_table2;
#endif
- struct table_info table = {level0_table, 0, BLOCK_SIZE_L0};
+ struct table_info table = {NULL, 0, BLOCK_SIZE_L0};
+
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+ u64 *level2_table_secure;
+
+ if (el == 3) {
+ /*
+ * Only use gd->secure_ram if the address is recalculated
+ * Align to 4KB for MMU table
+ */
+ if (gd->secure_ram & MEM_RESERVE_SECURE_MAINTAINED)
+ level0_table = (u64 *)(gd->secure_ram & ~0xfff);
+ else
+ printf("MMU warning: gd->secure_ram is not maintained, disabled.\n");
+ }
+#endif
+ level1_table0 = level0_table + 512;
+ level1_table1 = level1_table0 + 512;
+ level2_table0 = level1_table1 + 512;
+ level2_table1 = level2_table0 + 512;
+#ifdef CONFIG_FSL_LSCH2
+ level2_table2 = level2_table1 + 512;
+#endif
+ table.ptr = level0_table;
/* Invalidate all table entries */
memset(level0_table, 0, PGTABLE_SIZE);
&final_mmu_table[i]);
}
}
+ /* Set the secure memory to secure in MMU */
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+ if (el == 3 && gd->secure_ram & MEM_RESERVE_SECURE_MAINTAINED) {
+#ifdef CONFIG_FSL_LSCH3
+ level2_table_secure = level2_table1 + 512;
+#elif defined(CONFIG_FSL_LSCH2)
+ level2_table_secure = level2_table2 + 512;
+#endif
+ if (!final_secure_ddr(level0_table,
+ level2_table_secure,
+ gd->secure_ram & ~0x3)) {
+ gd->secure_ram |= MEM_RESERVE_SECURE_SECURED;
+ debug("Now MMU table is in secured memory at 0x%llx\n",
+ gd->secure_ram & ~0x3);
+ } else {
+ printf("MMU warning: Failed to secure DDR\n");
+ }
+ }
+#endif
/* flush new MMU table */
- flush_dcache_range(gd->arch.tlb_addr,
- gd->arch.tlb_addr + gd->arch.tlb_size);
+ flush_dcache_range((ulong)level0_table,
+ (ulong)level0_table + gd->arch.tlb_size);
-#ifdef CONFIG_SYS_DPAA_FMAN
- flush_dcache_all();
-#endif
/* point TTBR to the new table */
- el = current_el();
-
set_ttbr_tcr_mair(el, (u64)level0_table, LAYERSCAPE_TCR_FINAL,
MEMORY_ATTRIBUTES);
/*
*/
}
+u64 get_page_table_size(void)
+{
+ return 0x10000;
+}
+
int arch_cpu_init(void)
{
icache_enable();
struct sys_info sysinfo;
char buf[32];
unsigned int i, core;
- u32 type, rcw;
+ u32 type, rcw, svr = gur_in32(&gur->svr);
puts("SoC: ");
cpu_name(buf);
- printf(" %s (0x%x)\n", buf, gur_in32(&gur->svr));
+ printf(" %s (0x%x)\n", buf, svr);
memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));
get_sys_info(&sysinfo);
puts("Clock Configuration:");
printf(" FMAN: %-4s MHz", strmhz(buf, sysinfo.freq_fman[0]));
#endif
#ifdef CONFIG_SYS_FSL_HAS_DP_DDR
- printf(" DP-DDR: %-4s MT/s", strmhz(buf, sysinfo.freq_ddrbus2));
+ if (soc_has_dp_ddr()) {
+ printf(" DP-DDR: %-4s MT/s",
+ strmhz(buf, sysinfo.freq_ddrbus2));
+ }
#endif
puts("\n");
val |= 0x02;
scfg_out32(rstcr, val);
}
+
+phys_size_t board_reserve_ram_top(phys_size_t ram_size)
+{
+ 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 Debug Server private DRAM block from the end of DRAM */
+#ifdef CONFIG_FSL_DEBUG_SERVER
+ ram_top -= debug_server_get_dram_block_size();
+#endif
+
+/* Carve the MC private DRAM block from the end of DRAM */
+#ifdef CONFIG_FSL_MC_ENET
+ ram_top -= mc_get_dram_block_size();
+ ram_top &= ~(CONFIG_SYS_MC_RSV_MEM_ALIGN - 1);
+#endif
+
+ return ram_top;
+}