85xx: Convert MPC8568 MDS to new TLB setup

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

diff --git a/board/freescale/mpc8568mds/Makefile b/board/freescale/mpc8568mds/Makefile
index ef78942acbbee6e65d7644d089d307eb27001c18..d9f20f96fbc5a738fae4a10c489d08e43d7f07d1 100644 (file)
--- a/board/freescale/mpc8568mds/Makefile
+++ b/board/freescale/mpc8568mds/Makefile
@@ -29,9 +29,7 @@ endif
 
 LIB    = $(obj)lib$(BOARD).a
 
-COBJS  := $(BOARD).o bcsr.o law.o
-
-SOBJS  := init.o
+COBJS  := $(BOARD).o bcsr.o law.o tlb.o
 
 SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS   := $(addprefix $(obj),$(COBJS))

diff --git a/board/freescale/mpc8568mds/init.S b/board/freescale/mpc8568mds/init.S
deleted file mode 100644 (file)
index c777eb1..0000000
--- a/board/freescale/mpc8568mds/init.S
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright 2004-2007 Freescale Semiconductor.
- * Copyright 2002,2003, Motorola Inc.
- *
- * 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 <ppc_asm.tmpl>
-#include <ppc_defs.h>
-#include <asm/cache.h>
-#include <asm/mmu.h>
-#include <config.h>
-#include <mpc85xx.h>
-
-/*
- * TLB0 and TLB1 Entries
- *
- * Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
- * However, CCSRBAR is then relocated to CFG_CCSRBAR right after
- * these TLB entries are established.
- *
- * The TLB entries for DDR are dynamically setup in spd_sdram()
- * and use TLB1 Entries 8 through 15 as needed according to the
- * size of DDR memory.
- *
- * MAS0: tlbsel, esel, nv
- * MAS1: valid, iprot, tid, ts, tsize
- * MAS2: epn, x0, x1, w, i, m, g, e
- * MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
- */
-#define        entry_start \
-       mflr    r1      ;       \
-       bl      0f      ;
-
-#define        entry_end \
-0:     mflr    r0      ;       \
-       mtlr    r1      ;       \
-       blr             ;
-
-
-       .section        .bootpg, "ax"
-       .globl  tlb1_entry
-tlb1_entry:
-       entry_start
-
-       /*
-        * Number of TLB0 and TLB1 entries in the following table
-        */
-       .long (2f-1f)/16
-
-1:
-#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
-       /*
-        * TLB0         4K      Non-cacheable, guarded
-        * 0xff700000   4K      Initial CCSRBAR mapping
-        *
-        * This ends up at a TLB0 Index==0 entry, and must not collide
-        * with other TLB0 Entries.
-        */
-       .long FSL_BOOKE_MAS0(0, 0, 0)
-       .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
-       .long FSL_BOOKE_MAS2(CFG_CCSRBAR_DEFAULT, (MAS2_I|MAS2_G))
-       .long FSL_BOOKE_MAS3(CFG_CCSRBAR_DEFAULT, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-#else
-#error("Update the number of table entries in tlb1_entry")
-#endif
-
-       /*
-        * TLB0         16K     Cacheable, non-guarded
-        * 0xd001_0000  16K     Temporary Global data for initialization
-        *
-        * Use four 4K TLB0 entries.  These entries must be cacheable
-        * as they provide the bootstrap memory before the memory
-        * controler and real memory have been configured.
-        *
-        * These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
-        * and must not collide with other TLB0 entries.
-        */
-
-       .long FSL_BOOKE_MAS0(0, 0, 0)
-       .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
-       .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR, 0)
-       .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       .long FSL_BOOKE_MAS0(0, 0, 0)
-       .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
-       .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 4 * 1024, 0)
-       .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 4 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       .long FSL_BOOKE_MAS0(0, 0, 0)
-       .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
-       .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 8 * 1024, 0)
-       .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 8 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       .long FSL_BOOKE_MAS0(0, 0, 0)
-       .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
-       .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 12 * 1024, 0)
-       .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 12 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       /* TLB 1 Initializations */
-       /*
-        * TLBe 0:      16M     Non-cacheable, guarded
-        * 0xff000000   16M     FLASH (upper half)
-        * Out of reset this entry is only 4K.
-        */
-       .long FSL_BOOKE_MAS0(1, 0, 0)
-       .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
-       .long FSL_BOOKE_MAS2(CFG_FLASH_BASE + 0x1000000, (MAS2_I|MAS2_G))
-       .long FSL_BOOKE_MAS3(CFG_FLASH_BASE + 0x1000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       /*
-        * TLBe 1:      16M     Non-cacheable, guarded
-        * 0xfe000000   16M     FLASH (lower half)
-        */
-       .long FSL_BOOKE_MAS0(1, 1, 0)
-       .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
-       .long FSL_BOOKE_MAS2(CFG_FLASH_BASE, (MAS2_I|MAS2_G))
-       .long FSL_BOOKE_MAS3(CFG_FLASH_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       /*
-        * TLBe 2:      1G      Non-cacheable, guarded
-        * 0x80000000   512M    PCI1 MEM
-        * 0xa0000000   512M    PCIe MEM
-        */
-       .long FSL_BOOKE_MAS0(1, 2, 0)
-       .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G)
-       .long FSL_BOOKE_MAS2(CFG_PCI1_MEM_PHYS, (MAS2_I|MAS2_G))
-       .long FSL_BOOKE_MAS3(CFG_PCI1_MEM_PHYS, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       /*
-        * TLBe 3:      64M     Non-cacheable, guarded
-        * 0xe000_0000  1M      CCSRBAR
-        * 0xe200_0000  8M      PCI1 IO
-        * 0xe280_0000  8M      PCIe IO
-        */
-       .long FSL_BOOKE_MAS0(1, 3, 0)
-       .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
-       .long FSL_BOOKE_MAS2(CFG_CCSRBAR, (MAS2_I|MAS2_G))
-       .long FSL_BOOKE_MAS3(CFG_CCSRBAR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       /*
-        * TLBe 4:      64M     Cacheable, non-guarded
-        * 0xf000_0000  64M     LBC SDRAM
-        */
-       .long FSL_BOOKE_MAS0(1, 4, 0)
-       .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
-       .long FSL_BOOKE_MAS2(CFG_LBC_SDRAM_BASE, 0)
-       .long FSL_BOOKE_MAS3(CFG_LBC_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-       /*
-        * TLBe 5:      256K    Non-cacheable, guarded
-        * 0xf8000000   32K BCSR
-        * 0xf8008000   32K PIB (CS4)
-        * 0xf8010000   32K PIB (CS5)
-        */
-       .long FSL_BOOKE_MAS0(1, 5, 0)
-       .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256K)
-       .long FSL_BOOKE_MAS2(CFG_BCSR_BASE, (MAS2_I|MAS2_G))
-       .long FSL_BOOKE_MAS3(CFG_BCSR_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
-2:
-       entry_end

diff --git a/board/freescale/mpc8568mds/tlb.c b/board/freescale/mpc8568mds/tlb.c
new file mode 100644 (file)
index 0000000..225fc94
--- /dev/null
+++ b/board/freescale/mpc8568mds/tlb.c
@@ -0,0 +1,100 @@
+/*
+ * 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 0 - for temp stack in cache */
+       SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
+                     MAS3_SX|MAS3_SW|MAS3_SR, 0,
+                     0, 0, BOOKE_PAGESZ_4K, 0),
+       SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 4 * 1024 , CFG_INIT_RAM_ADDR + 4 * 1024,
+                     MAS3_SX|MAS3_SW|MAS3_SR, 0,
+                     0, 0, BOOKE_PAGESZ_4K, 0),
+       SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 8 * 1024 , CFG_INIT_RAM_ADDR + 8 * 1024,
+                     MAS3_SX|MAS3_SW|MAS3_SR, 0,
+                     0, 0, BOOKE_PAGESZ_4K, 0),
+       SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 12 * 1024 , CFG_INIT_RAM_ADDR + 12 * 1024,
+                     MAS3_SX|MAS3_SW|MAS3_SR, 0,
+                     0, 0, BOOKE_PAGESZ_4K, 0),
+
+       /* TLB 1 Initializations */
+       /*
+        * TLBe 0:      16M     Non-cacheable, guarded
+        * 0xff000000   16M     FLASH (upper half)
+        * Out of reset this entry is only 4K.
+        */
+       SET_TLB_ENTRY(1, CFG_FLASH_BASE + 0x1000000, CFG_FLASH_BASE + 0x1000000,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+                     0, 0, BOOKE_PAGESZ_16M, 1),
+
+       /*
+        * TLBe 1:      16M     Non-cacheable, guarded
+        * 0xfe000000   16M     FLASH (lower half)
+        */
+       SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+                     0, 1, BOOKE_PAGESZ_16M, 1),
+
+       /*
+        * TLBe 2:      1G      Non-cacheable, guarded
+        * 0x80000000   512M    PCI1 MEM
+        * 0xa0000000   512M    PCIe MEM
+        */
+       SET_TLB_ENTRY(1, CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_PHYS,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+                     0, 2, BOOKE_PAGESZ_1G, 1),
+
+       /*
+        * TLBe 3:      64M     Non-cacheable, guarded
+        * 0xe000_0000  1M      CCSRBAR
+        * 0xe200_0000  8M      PCI1 IO
+        * 0xe280_0000  8M      PCIe IO
+        */
+       SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+                     0, 3, BOOKE_PAGESZ_64M, 1),
+
+       /*
+        * TLBe 4:      64M     Cacheable, non-guarded
+        * 0xf000_0000  64M     LBC SDRAM
+        */
+       SET_TLB_ENTRY(1, CFG_LBC_SDRAM_BASE, CFG_LBC_SDRAM_BASE,
+                     MAS3_SX|MAS3_SW|MAS3_SR, 0,
+                     0, 4, BOOKE_PAGESZ_64M, 1),
+
+       /*
+        * TLBe 5:      256K    Non-cacheable, guarded
+        * 0xf8000000   32K BCSR
+        * 0xf8008000   32K PIB (CS4)
+        * 0xf8010000   32K PIB (CS5)
+        */
+       SET_TLB_ENTRY(1, CFG_BCSR_BASE, CFG_BCSR_BASE,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+                     0, 5, BOOKE_PAGESZ_256K, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);

diff --git a/board/freescale/mpc8568mds/u-boot.lds b/board/freescale/mpc8568mds/u-boot.lds
index 7917409c16c1cc3d7f69e9b3247c5863f7187a1c..6b30f1551c29294cc9226701e18f249bbb31f5f9 100644 (file)
--- a/board/freescale/mpc8568mds/u-boot.lds
+++ b/board/freescale/mpc8568mds/u-boot.lds
@@ -37,7 +37,6 @@ SECTIONS
   .bootpg 0xFFFFF000:
   {
        cpu/mpc85xx/start.o     (.bootpg)
-       board/freescale/mpc8568mds/init.o (.bootpg)
   } = 0xffff
 
   /* Read-only sections, merged into text segment: */
@@ -67,7 +66,6 @@ SECTIONS
   .text      :
   {
     cpu/mpc85xx/start.o        (.text)
-    board/freescale/mpc8568mds/init.o (.text)
     cpu/mpc85xx/traps.o (.text)
     cpu/mpc85xx/interrupts.o (.text)
     cpu/mpc85xx/cpu_init.o (.text)

diff --git a/include/configs/MPC8568MDS.h b/include/configs/MPC8568MDS.h
index a12d193c712e441da160459d5b4a939fb3988f62..04f442f9f92701fa34d28f411381398a2c6e9eae 100644 (file)
--- a/include/configs/MPC8568MDS.h
+++ b/include/configs/MPC8568MDS.h
@@ -50,6 +50,7 @@
 #define CONFIG_MEM_INIT_VALUE          0xDeadBeef
 
 #define CONFIG_FSL_LAW         1       /* Use common FSL init code */
+#define CONFIG_FSL_INIT_TLBS   1       /* Use common FSL init code */
 
 /*
  * When initializing flash, if we cannot find the manufacturer ID,