Merge branch 'master' of git://www.denx.de/git/u-boot-sh

1 files changed, 351 insertions, 0 deletions

diff --git a/board/sh7763rdp/lowlevel_init.S b/board/sh7763rdp/lowlevel_init.S
new file mode 100644
index 0000000..1942892
--- /dev/null
+++ b/board/sh7763rdp/lowlevel_init.S
@@ -0,0 +1,351 @@
+/*
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
+ * Copyright (C) 2007 Kenati Technologies, Inc.
+ *
+ * board/sh7763rdp/lowlevel_init.S
+ *
+ * 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 <config.h>
+#include <version.h>
+
+#include <asm/processor.h>
+
+	.global	lowlevel_init
+
+	.text
+	.align	2
+
+lowlevel_init:
+
+	mov.l   WDTCSR_A, r1	/* Watchdog Control / Status Register */
+	mov.l   WDTCSR_D, r0
+	mov.l   r0, @r1
+
+	mov.l   WDTST_A, r1		/* Watchdog Stop Time Register */
+	mov.l   WDTST_D, r0
+	mov.l   r0, @r1
+
+	mov.l   WDTBST_A, r1	/* 0xFFCC0008 (Watchdog Base Stop Time Register */
+	mov.l   WDTBST_D, r0
+	mov.l   r0, @r1
+
+	mov.l	CCR_A, r1		/* Address of Cache Control Register */
+	mov.l	CCR_CACHE_ICI_D, r0	/* Instruction Cache Invalidate */
+	mov.l	r0, @r1
+
+	mov.l	MMUCR_A, r1		/* Address of MMU Control Register */
+	mov.l	MMU_CONTROL_TI_D, r0	/* TI == TLB Invalidate bit */
+	mov.l	r0, @r1
+
+	mov.l	MSTPCR0_A, r1	/* Address of Power Control Register 0 */
+	mov.l	MSTPCR0_D, r0
+	mov.l	r0, @r1
+
+	mov.l	MSTPCR1_A, r1	/*i Address of Power Control Register 1 */
+	mov.l	MSTPCR1_D, r0
+	mov.l	r0, @r1
+
+	mov.l	RAMCR_A,r1
+	mov.l	RAMCR_D,r0
+	mov.l	r0, @r1
+
+	mov.l	MMSELR_A,r1
+	mov.l	MMSELR_D,r0
+	synco
+	mov.l	r0, @r1
+
+	mov.l	@r1,r2		/* execute two reads after setting MMSELR*/
+	mov.l	@r1,r2
+	synco
+
+	/* issue memory read */
+	mov.l   DDRSD_START_A,r1	/* memory address to read*/
+	mov.l   @r1,r0
+	synco
+
+	mov.l	MIM8_A,r1
+	mov.l	MIM8_D,r0
+	mov.l	r0,@r1
+
+	mov.l	MIMC_A,r1
+	mov.l	MIMC_D1,r0
+	mov.l	r0,@r1
+
+	mov.l	STRC_A,r1
+	mov.l	STRC_D,r0
+	mov.l	r0,@r1
+
+	mov.l	SDR4_A,r1
+	mov.l	SDR4_D,r0
+	mov.l	r0,@r1
+
+	mov.l	MIMC_A,r1
+	mov.l	MIMC_D2,r0
+	mov.l	r0,@r1
+
+	nop
+	nop
+	nop
+
+	mov.l	SCR4_A,r1
+	mov.l	SCR4_D3,r0
+	mov.l	r0,@r1
+
+	mov.l	SCR4_A,r1
+	mov.l	SCR4_D2,r0
+	mov.l	r0,@r1
+
+	mov.l	SDMR02000_A,r1
+	mov.l	SDMR02000_D,r0
+	mov.l	r0,@r1
+
+	mov.l	SDMR00B08_A,r1
+	mov.l	SDMR00B08_D,r0
+	mov.l	r0,@r1
+
+	mov.l	SCR4_A,r1
+	mov.l	SCR4_D2,r0
+	mov.l	r0,@r1
+
+	mov.l	SCR4_A,r1
+	mov.l	SCR4_D4,r0
+	mov.l	r0,@r1
+
+	nop
+	nop
+	nop
+	nop
+
+	mov.l	SCR4_A,r1
+	mov.l	SCR4_D4,r0
+	mov.l	r0,@r1
+
+	nop
+	nop
+	nop
+	nop
+
+	mov.l	SDMR00308_A,r1
+	mov.l	SDMR00308_D,r0
+	mov.l	r0,@r1
+
+	mov.l	MIMC_A,r1
+	mov.l	MIMC_D3,r0
+	mov.l	r0,@r1
+
+	mov.l	SCR4_A,r1
+	mov.l	SCR4_D1,r0
+	mov.l	DELAY60_D,r3
+
+delay_loop_60:
+	mov.l	r0,@r1
+	dt	r3
+	bf	delay_loop_60
+	nop
+
+	mov.l   CCR_A, r1	/* Address of Cache Control Register */
+	mov.l   CCR_CACHE_D_2, r0
+	mov.l   r0, @r1
+
+bsc_init:
+	mov.l	BCR_A, r1
+	mov.l	BCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS0BCR_A, r1
+	mov.l	CS0BCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS1BCR_A,r1
+	mov.l	CS1BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS2BCR_A, r1
+	mov.l	CS2BCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS4BCR_A, r1
+	mov.l	CS4BCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS5BCR_A, r1
+	mov.l	CS5BCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS6BCR_A, r1
+	mov.l	CS6BCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS0WCR_A, r1
+	mov.l	CS0WCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS1WCR_A, r1
+	mov.l	CS1WCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS2WCR_A, r1
+	mov.l	CS2WCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS4WCR_A, r1
+	mov.l	CS4WCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS5WCR_A, r1
+	mov.l	CS5WCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS6WCR_A, r1
+	mov.l	CS6WCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS5PCR_A, r1
+	mov.l	CS5PCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	CS6PCR_A, r1
+	mov.l	CS6PCR_D, r0
+	mov.l	r0, @r1
+
+	mov.l	DELAY200_D,r3
+
+delay_loop_200:
+	dt	r3
+	bf	delay_loop_200
+	nop
+
+	mov.l	PSEL0_A,r1
+	mov.l	PSEL0_D,r0
+	mov.w	r0,@r1
+
+	mov.l	PSEL1_A,r1
+	mov.l	PSEL1_D,r0
+	mov.w	r0,@r1
+
+	mov.l	ICR0_A,r1
+	mov.l	ICR0_D,r0
+	mov.l	r0,@r1
+
+	stc sr, r0	/* BL bit off(init=ON) */
+	mov.l   SR_MASK_D, r1
+	and r1, r0
+	ldc r0, sr
+
+	rts
+	nop
+
+	.align	2
+
+DELAY60_D:	.long	60
+DELAY200_D:	.long	17800
+
+CCR_A:		.long	0xFF00001C
+MMUCR_A:	.long	0xFF000010
+RAMCR_A:	.long	0xFF000074
+
+/* Low power mode control */
+MSTPCR0_A:	.long	0xFFC80030
+MSTPCR1_A:	.long	0xFFC80038
+
+/* RWBT */
+WDTST_A:	.long	0xFFCC0000
+WDTCSR_A:	.long	0xFFCC0004
+WDTBST_A:	.long	0xFFCC0008
+
+/* BSC */
+MMSELR_A:	.long	0xFE600020
+BCR_A:		.long	0xFF801000
+CS0BCR_A:	.long	0xFF802000
+CS1BCR_A:	.long	0xFF802010
+CS2BCR_A:	.long	0xFF802020
+CS4BCR_A:	.long	0xFF802040
+CS5BCR_A:	.long	0xFF802050
+CS6BCR_A:	.long	0xFF802060
+CS0WCR_A:	.long	0xFF802008
+CS1WCR_A:	.long	0xFF802018
+CS2WCR_A:	.long	0xFF802028
+CS4WCR_A:	.long	0xFF802048
+CS5WCR_A:	.long	0xFF802058
+CS6WCR_A:	.long	0xFF802068
+CS5PCR_A:	.long	0xFF802070
+CS6PCR_A:	.long	0xFF802080
+DDRSD_START_A:	.long	0xAC000000
+
+/* INTC */
+ICR0_A:		.long	0xFFD00000
+
+/* DDR I/F */
+MIM8_A:		.long	0xFE800008
+MIMC_A:		.long	0xFE80000C
+SCR4_A:		.long	0xFE800014
+STRC_A:		.long	0xFE80001C
+SDR4_A:		.long	0xFE800034
+SDMR00308_A:	.long	0xFE900308
+SDMR00B08_A:	.long	0xFE900B08
+SDMR02000_A:	.long	0xFE902000
+
+/* GPIO */
+PSEL0_A:	.long	0xFFEF0070
+PSEL1_A:	.long	0xFFEF0072
+
+CCR_CACHE_ICI_D:.long	0x00000800
+CCR_CACHE_D_2:	.long	0x00000103
+MMU_CONTROL_TI_D:.long	0x00000004
+RAMCR_D:	.long	0x00000200
+MSTPCR0_D:	.long	0x00000000
+MSTPCR1_D:	.long	0x00000000
+
+MMSELR_D:	.long	0xa5a50000
+BCR_D:		.long	0x00000000
+CS0BCR_D:	.long	0x77777770
+CS1BCR_D:	.long	0x77777670
+CS2BCR_D:	.long	0x77777670
+CS4BCR_D:	.long	0x77777670
+CS5BCR_D:	.long	0x77777670
+CS6BCR_D:	.long	0x77777670
+CS0WCR_D:	.long	0x7777770F
+CS1WCR_D:	.long   0x22000002
+CS2WCR_D:	.long	0x7777770F
+CS4WCR_D:	.long	0x7777770F
+CS5WCR_D:	.long	0x7777770F
+CS6WCR_D:	.long	0x7777770F
+CS5PCR_D:	.long	0x77000000
+CS6PCR_D:	.long	0x77000000
+ICR0_D:		.long	0x00E00000
+MIM8_D:		.long	0x00000000
+MIMC_D1:	.long	0x01d10008
+MIMC_D2:	.long	0x01d10009
+MIMC_D3:	.long	0x01d10209
+SCR4_D1:	.long	0x00000001
+SCR4_D2:	.long	0x00000002
+SCR4_D3:	.long	0x00000003
+SCR4_D4:	.long	0x00000004
+STRC_D:		.long	0x000f3980
+SDR4_D:		.long	0x00000300
+SDMR00308_D:	.long	0x00000000
+SDMR00B08_D:	.long	0x00000000
+SDMR02000_D:	.long	0x00000000
+PSEL0_D:	.long	0x00000001
+PSEL1_D:	.long	0x00000244
+SR_MASK_D:	.long	0xEFFFFF0F
+WDTST_D:	.long	0x5A000FFF
+WDTCSR_D:	.long	0xA5000000
+WDTBST_D:	.long	0x55000000
+