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Diffstat (limited to 'board/freescale/t4rdb/tlb.c')
-rw-r--r--board/freescale/t4rdb/tlb.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/board/freescale/t4rdb/tlb.c b/board/freescale/t4rdb/tlb.c
new file mode 100644
index 0000000..4b50bcd
--- /dev/null
+++ b/board/freescale/t4rdb/tlb.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+ /* TLB 0 - for temp stack in cache */
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+
+ /* TLB 1 */
+ /* *I*** - Covers boot page */
+#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
+ /*
+ * *I*G - L3SRAM. When L3 is used as 512K SRAM */
+ SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_512K, 1),
+#else
+ SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_4K, 1),
+#endif
+
+ /* *I*G* - CCSRBAR */
+ SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_16M, 1),
+
+ /* *I*G* - Flash, localbus */
+ /* This will be changed to *I*G* after relocation to RAM. */
+ SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
+ MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_256M, 1),
+
+ /* *I*G* - PCI */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_1G, 1),
+
+ /* *I*G* - PCI */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
+ CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 4, BOOKE_PAGESZ_256M, 1),
+
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
+ CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 5, BOOKE_PAGESZ_256M, 1),
+
+ /* *I*G* - PCI I/O */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 6, BOOKE_PAGESZ_256K, 1),
+
+ /* Bman/Qman */
+#ifdef CONFIG_SYS_BMAN_MEM_PHYS
+ SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 9, BOOKE_PAGESZ_16M, 1),
+ SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
+ CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 10, BOOKE_PAGESZ_16M, 1),
+#endif
+#ifdef CONFIG_SYS_QMAN_MEM_PHYS
+ SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 11, BOOKE_PAGESZ_16M, 1),
+ SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
+ CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 12, BOOKE_PAGESZ_16M, 1),
+#endif
+#ifdef CONFIG_SYS_DCSRBAR_PHYS
+ SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 13, BOOKE_PAGESZ_32M, 1),
+#endif
+#ifdef CONFIG_SYS_NAND_BASE
+ /*
+ * *I*G - NAND
+ * entry 14 and 15 has been used hard coded, they will be disabled
+ * in cpu_init_f, so we use entry 16 for nand.
+ */
+ SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 16, BOOKE_PAGESZ_64K, 1),
+#endif
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);