85xx: Convert SBC8540/SBC8560/SBC8548 to new TLB setup

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/board/sbc8560/tlb.c b/board/sbc8560/tlb.c
new file mode 100644
index 0000000..155ff64
--- /dev/null
+++ b/board/sbc8560/tlb.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+/* TLB for CCSRBAR (IMMR) */
+	SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 1, BOOKE_PAGESZ_1M, 1),
+
+/* TLB for Local Bus stuff, just map the whole 512M */
+/* note that the LBC SDRAM is cache-inhibit and guarded, like everything else */
+
+	SET_TLB_ENTRY(1, 0xe0000000, 0xe0000000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 2, BOOKE_PAGESZ_256M, 1),
+
+	SET_TLB_ENTRY(1, 0xf0000000, 0xf0000000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 3, BOOKE_PAGESZ_256M, 1),
+
+#if !defined(CONFIG_SPD_EEPROM)
+	SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 4, BOOKE_PAGESZ_256M, 1),
+
+	SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE + 0x10000000, CFG_DDR_SDRAM_BASE + 0x10000000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 5, BOOKE_PAGESZ_256M, 1),
+#endif
+
+	SET_TLB_ENTRY(1, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 6, BOOKE_PAGESZ_16K, 1),
+
+	SET_TLB_ENTRY(1, CFG_PCI_MEM_PHYS, CFG_PCI_MEM_PHYS,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 7, BOOKE_PAGESZ_256M, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);