ARM: Add support for jadecpu board based on MB86R01 SoC

This patch adds support for the jadecpu board using the
MB86R01 'Jade' SoC from Fujitsu.

Signed-off-by: Matthias Weisser <weisserm@arcor.de>

4 files changed, 491 insertions, 0 deletions

diff --git a/board/syteco/jadecpu/Makefile b/board/syteco/jadecpu/Makefile
new file mode 100644
index 0000000..87d2234
--- /dev/null
+++ b/board/syteco/jadecpu/Makefile
@@ -0,0 +1,55 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian.pop@leadtechdesign.com>
+# Lead Tech Design <www.leadtechdesign.com>
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS-y	+= jadecpu.o
+SOBJS	:= lowlevel_init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/syteco/jadecpu/config.mk b/board/syteco/jadecpu/config.mk
new file mode 100644
index 0000000..c661f0b
--- /dev/null
+++ b/board/syteco/jadecpu/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x46000000
diff --git a/board/syteco/jadecpu/jadecpu.c b/board/syteco/jadecpu/jadecpu.c
new file mode 100644
index 0000000..04d2f9d
--- /dev/null
+++ b/board/syteco/jadecpu/jadecpu.c
@@ -0,0 +1,170 @@
+/*
+ * (c) 2010 Graf-Syteco, Matthias Weisser
+ * <weisserm@arcor.de>
+ *
+ * (C) Copyright 2007, mycable GmbH
+ * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de>
+ *
+ * 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 <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/mb86r0x.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+	struct mb86r0x_ccnt * ccnt = (struct mb86r0x_ccnt *)
+					MB86R0x_CCNT_BASE;
+
+	/* We select mode 0 for group 2 and mode 1 for group 4 */
+	writel(0x00000010, &ccnt->cmux_md);
+
+	gd->flags = 0;
+	gd->bd->bi_arch_number = MACH_TYPE_JADECPU;
+	gd->bd->bi_boot_params = PHYS_SDRAM + PHYS_SDRAM_SIZE - 0x10000;
+
+	icache_enable();
+
+	return 0;
+}
+
+static void setup_display_power(uint32_t pwr_bit, char *pwm_opts,
+				unsigned long pwm_base)
+{
+	struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *)
+					MB86R0x_GPIO_BASE;
+	struct mb86r0x_pwm *pwm = (struct mb86r0x_pwm *) pwm_base;
+	const char *e;
+
+	writel(readl(&gpio->gpdr2) | pwr_bit, &gpio->gpdr2);
+
+	e = getenv(pwm_opts);
+	if (e != NULL) {
+		const char *s;
+		uint32_t freq, init;
+
+		freq = 0;
+		init = 0;
+
+		s = strchr(e, 'f');
+		if (s != NULL)
+			freq = simple_strtol(s + 2, NULL, 0);
+
+		s = strchr(e, 'i');
+		if (s != NULL)
+			init = simple_strtol(s + 2, NULL, 0);
+
+		if (freq > 0) {
+			writel(CONFIG_MB86R0x_IOCLK / 1000 / freq,
+				&pwm->bcr);
+			writel(1002, &pwm->tpr);
+			writel(1, &pwm->pr);
+			writel(init * 10 + 1, &pwm->dr);
+			writel(1, &pwm->cr);
+			writel(1, &pwm->sr);
+		}
+	}
+}
+
+int board_late_init(void)
+{
+	struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *)
+					MB86R0x_GPIO_BASE;
+	uint32_t in_word;
+
+#ifdef CONFIG_VIDEO_MB86R0xGDC
+	/* Check if we have valid display settings and turn on power if so */
+	/* Display 0 */
+	if (getenv("gs_dsp_0_param") || getenv("videomode"))
+		setup_display_power((1 << 3), "gs_dsp_0_pwm",
+					MB86R0x_PWM0_BASE);
+
+	/* The corresponding GPIO is always an output */
+	writel(readl(&gpio->gpddr2) | (1 << 3), &gpio->gpddr2);
+
+	/* Display 1 */
+	if (getenv("gs_dsp_1_param") || getenv("videomode1"))
+		setup_display_power((1 << 4), "gs_dsp_1_pwm",
+					MB86R0x_PWM1_BASE);
+
+	/* The corresponding GPIO is always an output */
+	writel(readl(&gpio->gpddr2) | (1 << 4), &gpio->gpddr2);
+#endif /* CONFIG_VIDEO_MB86R0xGDC */
+
+	/* 5V enable */
+	writel(readl(&gpio->gpdr1) & ~(1 << 5), &gpio->gpdr1);
+	writel(readl(&gpio->gpddr1) | (1 << 5), &gpio->gpddr1);
+
+	/* We have special boot options if told by GPIOs */
+	in_word = readl(&gpio->gpdr1);
+
+	if ((in_word & 0xC0) == 0xC0) {
+		setenv("stdin", "serial");
+		setenv("stdout", "serial");
+		setenv("stderr", "serial");
+		setenv("preboot", "run gs_slow_boot");
+	} else if ((in_word & 0xC0) != 0) {
+		setenv("stdout", "vga");
+		setenv("gs_bootcmd", "mw.l 0x40000000 0 1024; usb start;"
+			"fatls usb 0; fatload usb 0 0x40000000 mcq5resq.bin;"
+			"bootelf 0x40000000; bootelf 0x10080000");
+		setenv("preboot", "run gs_slow_boot");
+	} else {
+		setenv("stdin", "serial");
+		setenv("stdout", "serial");
+		setenv("stderr", "serial");
+		if (getenv("gs_devel")) {
+			setenv("preboot", "run gs_slow_boot");
+		} else {
+			setenv("gs_bootcmd", "bootelf 0x10080000");
+			setenv("preboot", "run gs_fast_boot");
+		}
+	}
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	return 0;
+}
+
+/*
+ * DRAM configuration
+ */
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return rc;
+}
diff --git a/board/syteco/jadecpu/lowlevel_init.S b/board/syteco/jadecpu/lowlevel_init.S
new file mode 100644
index 0000000..5ad4dce
--- /dev/null
+++ b/board/syteco/jadecpu/lowlevel_init.S
@@ -0,0 +1,265 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2007, mycable GmbH
+ * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de>
+ *
+ * (C) Copyright 2003, ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.com>
+ *
+ * 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 <config.h>
+#include <version.h>
+#include <asm/macro.h>
+#include <asm/arch/mb86r0x.h>
+#include <asm/arch/asm-offsets.h>
+
+/* Set up the platform, once the cpu has been initialized */
+.globl lowlevel_init
+lowlevel_init:
+/*
+ * Initialize Clock Reset Generator (CRG)
+ */
+
+	ldr		r0, =MB86R0x_CRG_BASE
+
+	/* Not change the initial value that is set by external pin.*/
+WAIT_PLL:
+	ldr		r2, [r0, #CRG_CRPR]	/* Wait for PLLREADY */
+	tst		r2, #MB86R0x_CRG_CRPR_PLLRDY
+	beq		WAIT_PLL
+
+	/* Set clock gate control */
+	ldr		r1, =CONFIG_SYS_CRG_CRHA_INIT
+	str		r1, [r0, #CRG_CRHA]
+	ldr		r1, =CONFIG_SYS_CRG_CRPA_INIT
+	str		r1, [r0, #CRG_CRPA]
+	ldr		r1, =CONFIG_SYS_CRG_CRPB_INIT
+	str		r1, [r0, #CRG_CRPB]
+	ldr		r1, =CONFIG_SYS_CRG_CRHB_INIT
+	str		r1, [r0, #CRG_CRHB]
+	ldr		r1, =CONFIG_SYS_CRG_CRAM_INIT
+	str		r1, [r0, #CRG_CRAM]
+
+/*
+ * Initialize External Bus Interface
+ */
+	ldr		r0, =MB86R0x_MEMC_BASE
+
+	ldr		r1, =CONFIG_SYS_MEMC_MCFMODE0_INIT
+	str		r1, [r0, #MEMC_MCFMODE0]
+	ldr		r1, =CONFIG_SYS_MEMC_MCFMODE2_INIT
+	str		r1, [r0, #MEMC_MCFMODE2]
+	ldr		r1, =CONFIG_SYS_MEMC_MCFMODE4_INIT
+	str		r1, [r0, #MEMC_MCFMODE4]
+
+	ldr		r1, =CONFIG_SYS_MEMC_MCFTIM0_INIT
+	str		r1, [r0, #MEMC_MCFTIM0]
+	ldr		r1, =CONFIG_SYS_MEMC_MCFTIM2_INIT
+	str		r1, [r0, #MEMC_MCFTIM2]
+	ldr		r1, =CONFIG_SYS_MEMC_MCFTIM4_INIT
+	str		r1, [r0, #MEMC_MCFTIM4]
+
+	ldr		r1, =CONFIG_SYS_MEMC_MCFAREA0_INIT
+	str		r1, [r0, #MEMC_MCFAREA0]
+	ldr		r1, =CONFIG_SYS_MEMC_MCFAREA2_INIT
+	str		r1, [r0, #MEMC_MCFAREA2]
+	ldr		r1, =CONFIG_SYS_MEMC_MCFAREA4_INIT
+	str		r1, [r0, #MEMC_MCFAREA4]
+
+/*
+ * Initialize DDR2 Controller
+ */
+
+	/* Wait for PLL LOCK up time or more */
+	wait_timer	20
+
+	/*
+	 * (2) Initialize DDRIF
+	 */
+	ldr	r0, =MB86R0x_DDR2_BASE
+	ldr	r1, =CONFIG_SYS_DDR2_DRIMS_INIT
+	strh	r1, [r0, #DDR2_DRIMS]
+
+	/*
+	 * (3) Wait for 20MCKPs(120nsec) or more
+	 */
+	wait_timer	20
+
+	/*
+	 * (4) IRESET/IUSRRST release
+	 */
+	ldr	r0, =MB86R0x_CCNT_BASE
+	ldr	r1, =CONFIG_SYS_CCNT_CDCRC_INIT_1
+	str	r1, [r0, #CCNT_CDCRC]
+
+	/*
+	 * (5) Wait for 20MCKPs(120nsec) or more
+	 */
+	wait_timer	20
+
+	/*
+	 * (6) IDLLRST release
+	 */
+	ldr	r0, =MB86R0x_CCNT_BASE
+	ldr	r1, =CONFIG_SYS_CCNT_CDCRC_INIT_2
+	str	r1, [r0, #CCNT_CDCRC]
+
+	/*
+	 * (7+8) Wait for 200us(=200000ns) or more (DDR2 Spec)
+	 */
+	wait_timer	33536
+
+	/*
+	 * (9) MCKE ON
+	 */
+	ldr	r0, =MB86R0x_DDR2_BASE
+	ldr	r1, =CONFIG_SYS_DDR2_DRIC1_INIT
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_DRIC2_INIT
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =CONFIG_SYS_DDR2_DRCA_INIT
+	strh	r1, [r0, #DDR2_DRCA]
+	ldr	r1, =MB86R0x_DDR2_DRCI_INIT
+	strh	r1, [r0, #DDR2_DRIC]
+
+	/*
+	 * (10) Initialize SDRAM
+	 */
+
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	wait_timer	67			/* 400ns wait */
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_1
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_1
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_2
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_2
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_3
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_3
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_4
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_4
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_5
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_5
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	wait_timer 200
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_6
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_6
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_7
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_7
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	wait_timer	18			/* 105ns wait */
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_8
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_8
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	wait_timer	200			/* MRS to OCD: 200clock */
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_9
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_9
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC1_10
+	strh	r1, [r0, #DDR2_DRIC1]
+	ldr	r1, =CONFIG_SYS_DDR2_INIT_DRIC2_10
+	strh	r1, [r0, #DDR2_DRIC2]
+	ldr	r1, =MB86R0x_DDR2_DRCI_CMD
+	strh	r1, [r0, #DDR2_DRIC]
+
+	ldr	r1, =CONFIG_SYS_DDR2_DRCM_INIT
+	strh	r1, [r0, #DDR2_DRCM]
+
+	ldr	r1, =CONFIG_SYS_DDR2_DRCST1_INIT
+	strh	r1, [r0, #DDR2_DRCST1]
+
+	ldr	r1, =CONFIG_SYS_DDR2_DRCST2_INIT
+	strh	r1, [r0, #DDR2_DRCST2]
+
+	ldr	r1, =CONFIG_SYS_DDR2_DRCR_INIT
+	strh	r1, [r0, #DDR2_DRCR]
+
+	ldr	r1, =CONFIG_SYS_DDR2_DRCF_INIT
+	strh	r1, [r0, #DDR2_DRCF]
+
+	ldr	r1, =CONFIG_SYS_DDR2_DRASR_INIT
+	strh	r1, [r0, #DDR2_DRASR]
+
+	/*
+	 * (11) ODT setting
+	 */
+	ldr	r1, =CONFIG_SYS_DDR2_DROBS_INIT
+	strh	r1, [r0, #DDR2_DROBS]
+	ldr	r1, =CONFIG_SYS_DDR2_DROABA_INIT
+	strh	r1, [r0, #DDR2_DROABA]
+	ldr	r1, =CONFIG_SYS_DDR2_DRIBSODT1_INIT
+	strh	r1, [r0, #DDR2_DRIBSODT1]
+
+	/*
+	 * (12) Shift to ODTCONT ON (SDRAM side) and DDR2 usual operation mode
+	 */
+	ldr	r1, =CONFIG_SYS_DDR2_DROS_INIT
+	strh	r1, [r0, #DDR2_DROS]
+	ldr	r1, =MB86R0x_DDR2_DRCI_NORMAL
+	strh	r1, [r0, #DDR2_DRIC]
+
+	mov pc, lr