mn10300: add the MN10300/AM33 architecture to the kernel

Add architecture support for the MN10300/AM33 CPUs produced by MEI to the
kernel.

This patch also adds board support for the ASB2303 with the ASB2308 daughter
board, and the ASB2305.  The only processor supported is the MN103E010, which
is an AM33v2 core plus on-chip devices.

[akpm@linux-foundation.org: nuke cvs control strings]
Signed-off-by: Masakazu Urade <urade.masakazu@jp.panasonic.com>
Signed-off-by: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 151 insertions, 0 deletions

diff --git a/include/asm-mn10300/busctl-regs.h b/include/asm-mn10300/busctl-regs.h
new file mode 100644
index 00000000000..1632aef7340
--- /dev/null
+++ b/include/asm-mn10300/busctl-regs.h
@@ -0,0 +1,151 @@
+/* AM33v2 on-board bus controller registers
+ *
+ * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_BUSCTL_REGS_H
+#define _ASM_BUSCTL_REGS_H
+
+#include <asm/cpu-regs.h>
+
+#ifdef __KERNEL__
+
+/* bus controller registers */
+#define BCCR			__SYSREG(0xc0002000, u32)	/* bus controller control reg */
+#define BCCR_B0AD		0x00000003	/* block 0 (80000000-83ffffff) bus allocation */
+#define BCCR_B1AD		0x0000000c	/* block 1 (84000000-87ffffff) bus allocation */
+#define BCCR_B2AD		0x00000030	/* block 2 (88000000-8bffffff) bus allocation */
+#define BCCR_B3AD		0x000000c0	/* block 3 (8c000000-8fffffff) bus allocation */
+#define BCCR_B4AD		0x00000300	/* block 4 (90000000-93ffffff) bus allocation */
+#define BCCR_B5AD		0x00000c00	/* block 5 (94000000-97ffffff) bus allocation */
+#define BCCR_B6AD		0x00003000	/* block 6 (98000000-9bffffff) bus allocation */
+#define BCCR_B7AD		0x0000c000	/* block 7 (9c000000-9fffffff) bus allocation */
+#define BCCR_BxAD_EXBUS		0x0		/* - direct to system bus controller */
+#define BCCR_BxAD_OPEXBUS	0x1		/* - direct to memory bus controller */
+#define BCCR_BxAD_OCMBUS	0x2		/* - direct to on chip memory */
+#define BCCR_API		0x00070000	/* bus arbitration priority */
+#define BCCR_API_DMACICD	0x00000000	/* - DMA > CI > CD */
+#define BCCR_API_DMACDCI	0x00010000	/* - DMA > CD > CI */
+#define BCCR_API_CICDDMA	0x00020000	/* - CI > CD > DMA */
+#define BCCR_API_CDCIDMA	0x00030000	/* - CD > CI > DMA */
+#define BCCR_API_ROUNDROBIN	0x00040000	/* - round robin */
+#define BCCR_BEPRI_DMACICD	0x00c00000	/* bus error address priority */
+#define BCCR_BEPRI_DMACDCI	0x00000000	/* - DMA > CI > CD */
+#define BCCR_BEPRI_CICDDMA	0x00400000	/* - DMA > CD > CI */
+#define BCCR_BEPRI_CDCIDMA	0x00800000	/* - CI > CD > DMA */
+#define BCCR_BEPRI		0x00c00000	/* - CD > CI > DMA */
+#define BCCR_TMON		0x03000000	/* timeout value settings */
+#define BCCR_TMON_16IOCLK	0x00000000	/* - 16 IOCLK cycles */
+#define BCCR_TMON_256IOCLK	0x01000000	/* - 256 IOCLK cycles */
+#define BCCR_TMON_4096IOCLK	0x02000000	/* - 4096 IOCLK cycles */
+#define BCCR_TMON_65536IOCLK	0x03000000	/* - 65536 IOCLK cycles */
+#define BCCR_TMOE		0x10000000	/* timeout detection enable */
+
+#define BCBERR			__SYSREG(0xc0002010, u32)	/* bus error source reg */
+#define BCBERR_BESB		0x0000001f	/* erroneous access destination space */
+#define BCBERR_BESB_MON		0x00000001	/* - monitor space */
+#define BCBERR_BESB_IO		0x00000002	/* - IO bus */
+#define BCBERR_BESB_EX		0x00000004	/* - EX bus */
+#define BCBERR_BESB_OPEX	0x00000008	/* - OpEX bus */
+#define BCBERR_BESB_OCM		0x00000010	/* - on chip memory */
+#define BCBERR_BERW		0x00000100	/* type of access */
+#define BCBERR_BERW_WRITE	0x00000000	/* - write */
+#define BCBERR_BERW_READ	0x00000100	/* - read */
+#define BCBERR_BESD		0x00000200	/* error detector */
+#define BCBERR_BESD_BCU		0x00000000	/* - BCU detected error */
+#define BCBERR_BESD_SLAVE_BUS	0x00000200	/* - slave bus detected error */
+#define BCBERR_BEBST		0x00000400	/* type of access */
+#define BCBERR_BEBST_SINGLE	0x00000000	/* - single */
+#define BCBERR_BEBST_BURST	0x00000400	/* - burst */
+#define BCBERR_BEME		0x00000800	/* multiple bus error flag */
+#define BCBERR_BEMR		0x00007000	/* master bus that caused the error */
+#define BCBERR_BEMR_NOERROR	0x00000000	/* - no error */
+#define BCBERR_BEMR_CI		0x00001000	/* - CPU instruction fetch bus caused error */
+#define BCBERR_BEMR_CD		0x00002000	/* - CPU data bus caused error */
+#define BCBERR_BEMR_DMA		0x00004000	/* - DMA bus caused error */
+
+#define BCBEAR			__SYSREGC(0xc0002020, u32)	/* bus error address reg */
+
+/* system bus controller registers */
+#define SBBASE(X)		__SYSREG(0xd8c00100 + (X) * 0x10, u32)	/* SBC base addr regs */
+#define SBBASE_BE		0x00000001	/* bank enable */
+#define SBBASE_BAM		0x0000fffe	/* bank address mask [31:17] */
+#define SBBASE_BBA		0xfffe0000	/* bank base address [31:17] */
+
+#define SBCNTRL0(X)		__SYSREG(0xd8c00200 + (X) * 0x10, u32)	/* SBC bank ctrl0 regs */
+#define SBCNTRL0_WEH		0x00000f00	/* write enable hold */
+#define SBCNTRL0_REH		0x0000f000	/* read enable hold */
+#define SBCNTRL0_RWH		0x000f0000	/* SRW signal hold */
+#define SBCNTRL0_CSH		0x00f00000	/* chip select hold */
+#define SBCNTRL0_DAH		0x0f000000	/* data hold */
+#define SBCNTRL0_ADH		0xf0000000	/* address hold */
+
+#define SBCNTRL1(X)		__SYSREG(0xd8c00204 + (X) * 0x10, u32)	/* SBC bank ctrl1 regs */
+#define SBCNTRL1_WED		0x00000f00	/* write enable delay */
+#define SBCNTRL1_RED		0x0000f000	/* read enable delay */
+#define SBCNTRL1_RWD		0x000f0000	/* SRW signal delay */
+#define SBCNTRL1_ASW		0x00f00000	/* address strobe width */
+#define SBCNTRL1_CSD		0x0f000000	/* chip select delay */
+#define SBCNTRL1_ASD		0xf0000000	/* address strobe delay */
+
+#define SBCNTRL2(X)		__SYSREG(0xd8c00208 + (X) * 0x10, u32)	/* SBC bank ctrl2 regs */
+#define SBCNTRL2_WC		0x000000ff	/* wait count */
+#define SBCNTRL2_BWC		0x00000f00	/* burst wait count */
+#define SBCNTRL2_WM		0x01000000	/* wait mode setting */
+#define SBCNTRL2_WM_FIXEDWAIT	0x00000000	/* - fixed wait access */
+#define SBCNTRL2_WM_HANDSHAKE	0x01000000	/* - handshake access */
+#define SBCNTRL2_BM		0x02000000	/* bus synchronisation mode */
+#define SBCNTRL2_BM_SYNC	0x00000000	/* - synchronous mode */
+#define SBCNTRL2_BM_ASYNC	0x02000000	/* - asynchronous mode */
+#define SBCNTRL2_BW		0x04000000	/* bus width */
+#define SBCNTRL2_BW_32		0x00000000	/* - 32 bits */
+#define SBCNTRL2_BW_16		0x04000000	/* - 16 bits */
+#define SBCNTRL2_RWINV		0x08000000	/* R/W signal invert polarity */
+#define SBCNTRL2_RWINV_NORM	0x00000000	/* - normal (read high) */
+#define SBCNTRL2_RWINV_INV	0x08000000	/* - inverted (read low) */
+#define SBCNTRL2_BT		0x70000000	/* bus type setting */
+#define SBCNTRL2_BT_SRAM	0x00000000	/* - SRAM interface */
+#define SBCNTRL2_BT_ADMUX	0x00000000	/* - addr/data multiplexed interface */
+#define SBCNTRL2_BT_BROM	0x00000000	/* - burst ROM interface */
+#define SBCNTRL2_BTSE		0x80000000	/* burst enable */
+
+/* memory bus controller */
+#define SDBASE(X)		__SYSREG(0xda000008 + (X) * 0x4, u32)	/* MBC base addr regs */
+#define SDBASE_CE		0x00000001	/* chip enable */
+#define SDBASE_CBAM		0x0000fff0	/* chip base address mask [31:20] */
+#define SDBASE_CBAM_SHIFT	16
+#define SDBASE_CBA		0xfff00000	/* chip base address [31:20] */
+
+#define SDRAMBUS		__SYSREG(0xda000000, u32)	/* bus mode control reg */
+#define SDRAMBUS_REFEN		0x00000004	/* refresh enable */
+#define SDRAMBUS_TRC		0x00000018	/* refresh command delay time */
+#define SDRAMBUS_BSTPT		0x00000020	/* burst stop command enable */
+#define SDRAMBUS_PONSEQ		0x00000040	/* power on sequence */
+#define SDRAMBUS_SELFREQ	0x00000080	/* self-refresh mode request */
+#define SDRAMBUS_SELFON		0x00000100	/* self-refresh mode on */
+#define SDRAMBUS_SIZE		0x00030000	/* SDRAM size */
+#define SDRAMBUS_SIZE_64Mbit	0x00010000	/* 64Mbit SDRAM (x16) */
+#define SDRAMBUS_SIZE_128Mbit	0x00020000	/* 128Mbit SDRAM (x16) */
+#define SDRAMBUS_SIZE_256Mbit	0x00030000	/* 256Mbit SDRAM (x16) */
+#define SDRAMBUS_TRASWAIT	0x000c0000	/* row address precharge command cycle number */
+#define SDRAMBUS_REFNUM		0x00300000	/* refresh command number */
+#define SDRAMBUS_BSTWAIT	0x00c00000	/* burst stop command cycle */
+#define SDRAMBUS_SETWAIT	0x03000000	/* mode register setting command cycle */
+#define SDRAMBUS_PREWAIT	0x0c000000	/* precharge command cycle */
+#define SDRAMBUS_RASLATE	0x30000000	/* RAS latency */
+#define SDRAMBUS_CASLATE	0xc0000000	/* CAS latency */
+
+#define SDREFCNT		__SYSREG(0xda000004, u32)	/* refresh period reg */
+#define SDREFCNT_PERI		0x00000fff	/* refresh period */
+
+#define SDSHDW			__SYSREG(0xda000010, u32)	/* test reg */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_BUSCTL_REGS_H */