Add support for the 8568 MDS board

This included some changes to common files:
* Add 8568 processor SVR to various places
* Add support for setting the qe bus-frequency value in the dts
* Add the 8568MDS target to the Makefile

Signed-off-by: Andy Fleming <afleming@freescale.com>

1 files changed, 258 insertions, 0 deletions

diff --git a/board/mpc8568mds/init.S b/board/mpc8568mds/init.S
new file mode 100644
index 0000000..0d87982
--- /dev/null
+++ b/board/mpc8568mds/init.S
@@ -0,0 +1,258 @@
+/*
+ * 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, sharen, 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 TLB1_MAS0(0, 0, 0)
+	.long TLB1_MAS1(1, 0, 0, 0, 0)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)
+#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 TLB1_MAS0(0, 0, 0)
+	.long TLB1_MAS1(1, 0, 0, 0, 0)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR), 0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR), 0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(0, 0, 0)
+	.long TLB1_MAS1(1, 0, 0, 0, 0)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),
+			0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),
+			0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(0, 0, 0)
+	.long TLB1_MAS1(1, 0, 0, 0, 0)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),
+			0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),
+			0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(0, 0, 0)
+	.long TLB1_MAS1(1, 0, 0, 0, 0)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),
+			0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),
+			0,0,0,0,0,1,0,1,0,1)
+
+	/* TLB 1 Initializations */
+	/*
+	 * TLBe 0:	16M	Non-cacheable, guarded
+	 * 0xff000000	16M	FLASH (upper half)
+	 * Out of reset this entry is only 4K.
+	 */
+	.long TLB1_MAS0(1, 0, 0)
+	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE + 0x1000000),
+			0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE + 0x1000000),
+			0,0,0,0,0,1,0,1,0,1)
+
+	/*
+	 * TLBe 1:	16M	Non-cacheable, guarded
+	 * 0xfe000000	16M	FLASH (lower half)
+	 */
+	.long TLB1_MAS0(1, 1, 0)
+	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+	/*
+	 * TLBe 2:	256M	Non-cacheable, guarded
+	 * 0x80000000	256M	PCI1 MEM
+	 */
+	.long TLB1_MAS0(1, 2, 0)
+	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+	/*
+	 * TLBe 3:	256M	Non-cacheable, guarded
+	 * 0xa0000000	256M	PCIe Mem
+	 */
+	.long TLB1_MAS0(1, 3, 0)
+	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_PEX_MEM_BASE), 0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_PEX_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+	/*
+	 * TLBe 4:	Reserved for future usage
+	 */
+
+	/*
+	 * TLBe 5:	64M	Non-cacheable, guarded
+	 * 0xe000_0000	1M	CCSRBAR
+	 * 0xe200_0000	8M	PCI1 IO
+	 * 0xe280_0000	8M	PCIe IO
+	 */
+	.long TLB1_MAS0(1, 5, 0)
+	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)
+
+	/*
+	 * TLBe 6:	64M	Cacheable, non-guarded
+	 * 0xf000_0000	64M	LBC SDRAM
+	 */
+	.long TLB1_MAS0(1, 6, 0)
+	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+	/*
+	 * TLBe 7:	256K	Non-cacheable, guarded
+	 * 0xf8000000	32K BCSR
+	 * 0xf8008000	32K PIB (CS4)
+	 * 0xf8010000	32K PIB (CS5)
+	 */
+	.long TLB1_MAS0(1, 7, 0)
+	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256K)
+	.long TLB1_MAS2(E500_TLB_EPN(CFG_BCSR_BASE), 0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(E500_TLB_RPN(CFG_BCSR_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+2:
+	entry_end
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ *0)   0x0000_0000   0x7fff_ffff     DDR                     2G
+ *1)   0x8000_0000   0x9fff_ffff     PCI1 MEM                256MB
+ *2)   0xa000_0000   0xbfff_ffff     PCIe MEM                256MB
+ *5)   0xc000_0000   0xdfff_ffff     SRIO                    256MB
+ *-)   0xe000_0000   0xe00f_ffff     CCSR                    1M
+ *3)   0xe200_0000   0xe27f_ffff     PCI1 I/O                8M
+ *4)   0xe280_0000   0xe2ff_ffff     PCIe I/0                8M
+ *6.a) 0xf000_0000   0xf3ff_ffff     SDRAM                   64MB
+ *6.b) 0xf800_0000   0xf800_7fff     BCSR                    32KB
+ *6.c) 0xf800_8000   0xf800_ffff     PIB (CS4)		     32KB
+ *6.d) 0xf801_0000   0xf801_7fff     PIB (CS5)		     32KB
+ *6.e) 0xfe00_0000   0xffff_ffff     Flash                   32MB
+ *
+ *Notes:
+ *    CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
+ *    If flash is 8M at default position (last 8M), no LAW needed.
+ *
+ * The defines below are 1-off of the actual LAWAR0 usage.
+ * So LAWAR3 define uses the LAWAR4 register in the ECM.
+ */
+
+#define LAWBAR0 0
+#define LAWAR0  ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+
+#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
+#define LAWAR1	(LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#define LAWBAR2 ((CFG_PEX_MEM_BASE>>12) & 0xfffff)
+#define LAWAR2	(LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff)
+#define LAWAR3	(LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M))
+
+#define LAWBAR4 ((CFG_PEX_IO_PHYS>>12) & 0xfffff)
+#define LAWAR4  (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_16M))
+
+
+#define LAWBAR5 ((CFG_SRIO_MEM_BASE>>12) & 0xfffff)
+#define LAWAR5	(LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+/* LBC window - maps 256M.  That's SDRAM, BCSR, PIBs, and Flash */
+#define LAWBAR6 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR6	(LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+	.section .bootpg, "ax"
+	.globl	law_entry
+
+law_entry:
+	entry_start
+	.long (4f-3f)/8
+3:
+	.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
+	.long LAWBAR4,LAWAR4,LAWBAR5,LAWAR5,LAWBAR6,LAWAR6
+4:
+	entry_end