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

Conflicts:
	drivers/spi/Makefile

Signed-off-by: Wolfgang Denk <wd@denx.de>

4 files changed, 213 insertions, 0 deletions

diff --git a/board/freescale/mx31pdk/Makefile b/board/freescale/mx31pdk/Makefile
new file mode 100644
index 0000000000..d5d8f0475d
--- /dev/null
+++ b/board/freescale/mx31pdk/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2008 Magnus Lilja <lilja.magnus@gmail.com>
+#
+# (C) Copyright 2000-2006
+# 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= mx31pdk.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+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/freescale/mx31pdk/config.mk b/board/freescale/mx31pdk/config.mk
new file mode 100644
index 0000000000..dcaa09ff83
--- /dev/null
+++ b/board/freescale/mx31pdk/config.mk
@@ -0,0 +1,5 @@
+ifdef CONFIG_NAND_SPL
+TEXT_BASE = 0x87ec0000
+else
+TEXT_BASE = 0x87f00000
+endif
diff --git a/board/freescale/mx31pdk/lowlevel_init.S b/board/freescale/mx31pdk/lowlevel_init.S
new file mode 100644
index 0000000000..cd0503ec3a
--- /dev/null
+++ b/board/freescale/mx31pdk/lowlevel_init.S
@@ -0,0 +1,93 @@
+/*
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.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 <asm/arch/mx31-regs.h>
+#include <asm/macro.h>
+
+.globl lowlevel_init
+lowlevel_init:
+	/* Also setup the Peripheral Port Remap register inside the core */
+	ldr	r0, =ARM_PPMRR      /* start from AIPS 2GB region */
+	mcr	p15, 0, r0, c15, c2, 4
+
+	write32	IPU_CONF, IPU_CONF_DI_EN
+	write32	CCM_CCMR, CCM_CCMR_SETUP
+
+	wait_timer	0x40000
+
+	write32	CCM_CCMR, CCM_CCMR_SETUP | CCMR_MPE
+	write32	CCM_CCMR, (CCM_CCMR_SETUP | CCMR_MPE) & ~CCMR_MDS
+
+	/* Set up clock to 532MHz */
+	write32	CCM_PDR0, CCM_PDR0_SETUP_532MHZ
+	write32	CCM_MPCTL, CCM_MPCTL_SETUP_532MHZ
+
+	write32	CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1)
+
+	/* Set up MX31 DDR pins */
+	write32	IOMUXC_SW_PAD_CTL_SDCKE1_SDCLK_SDCLK_B, 0
+	write32	IOMUXC_SW_PAD_CTL_CAS_SDWE_SDCKE0, 0
+	write32	IOMUXC_SW_PAD_CTL_BCLK_RW_RAS, 0
+	write32	IOMUXC_SW_PAD_CTL_CS2_CS3_CS4, 0x1000
+	write32	IOMUXC_SW_PAD_CTL_DQM3_EB0_EB1, 0
+	write32	IOMUXC_SW_PAD_CTL_DQM0_DQM1_DQM2, 0
+	write32	IOMUXC_SW_PAD_CTL_SD29_SD30_SD31, 0
+	write32	IOMUXC_SW_PAD_CTL_SD26_SD27_SD28, 0
+	write32	IOMUXC_SW_PAD_CTL_SD23_SD24_SD25, 0
+	write32	IOMUXC_SW_PAD_CTL_SD20_SD21_SD22, 0
+	write32	IOMUXC_SW_PAD_CTL_SD17_SD18_SD19, 0
+	write32	IOMUXC_SW_PAD_CTL_SD14_SD15_SD16, 0
+	write32	IOMUXC_SW_PAD_CTL_SD11_SD12_SD13, 0
+	write32	IOMUXC_SW_PAD_CTL_SD8_SD9_SD10, 0
+	write32	IOMUXC_SW_PAD_CTL_SD5_SD6_SD7, 0
+	write32	IOMUXC_SW_PAD_CTL_SD2_SD3_SD4, 0
+	write32	IOMUXC_SW_PAD_CTL_SDBA0_SD0_SD1, 0
+	write32	IOMUXC_SW_PAD_CTL_A24_A25_SDBA1, 0
+	write32	IOMUXC_SW_PAD_CTL_A21_A22_A23, 0
+	write32	IOMUXC_SW_PAD_CTL_A18_A19_A20, 0
+	write32	IOMUXC_SW_PAD_CTL_A15_A16_A17, 0
+	write32	IOMUXC_SW_PAD_CTL_A12_A13_A14, 0
+	write32	IOMUXC_SW_PAD_CTL_A10_MA10_A11, 0
+	write32	IOMUXC_SW_PAD_CTL_A7_A8_A9, 0
+	write32	IOMUXC_SW_PAD_CTL_A4_A5_A6, 0
+	write32	IOMUXC_SW_PAD_CTL_A1_A2_A3, 0
+	write32	IOMUXC_SW_PAD_CTL_VPG0_VPG1_A0, 0
+
+	/* Set up MX31 DDR Memory Controller */
+	write32	WEIM_ESDMISC, ESDMISC_MDDR_SETUP
+	write32	WEIM_ESDCFG0, ESDCFG0_MDDR_SETUP
+
+	/* Perform DDR init sequence */
+	write32	WEIM_ESDCTL0, ESDCTL_PRECHARGE
+	write32	CSD0_BASE | 0x0f00, 0x12344321
+	write32	WEIM_ESDCTL0, ESDCTL_AUTOREFRESH
+	write32	CSD0_BASE, 0x12344321
+	write32	CSD0_BASE, 0x12344321
+	write32	WEIM_ESDCTL0, ESDCTL_LOADMODEREG
+	write8	CSD0_BASE | 0x00000033, 0xda
+	write8	CSD0_BASE | 0x01000000, 0xff
+	write32	WEIM_ESDCTL0, ESDCTL_RW
+	write32	CSD0_BASE, 0xDEADBEEF
+	write32	WEIM_ESDMISC, ESDMISC_MDDR_RESET_DL
+
+	mov	pc, lr
diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
new file mode 100644
index 0000000000..6b60c17dca
--- /dev/null
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -0,0 +1,63 @@
+/*
+ *
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.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/arch/mx31.h>
+#include <asm/arch/mx31-regs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* CS5: CPLD incl. network controller */
+	__REG(CSCR_U(5)) = 0x0000d843;
+	__REG(CSCR_L(5)) = 0x22252521;
+	__REG(CSCR_A(5)) = 0x22220a00;
+
+	/* Setup UART1 and SPI2 pins */
+	mx31_uart1_hw_init();
+	mx31_spi2_hw_init();
+
+	gd->bd->bi_arch_number = MACH_TYPE_MX31_3DS; /* board id for linux */
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	printf("Board: i.MX31 MAX PDK (3DS)\n");
+	return 0;
+}