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-rw-r--r--board/digsy_mtc/Makefile32
-rw-r--r--board/digsy_mtc/config.mk24
-rw-r--r--board/digsy_mtc/digsy_mtc.c307
-rw-r--r--board/digsy_mtc/eeprom.h32
-rw-r--r--board/digsy_mtc/is42s16800a-7t.h28
5 files changed, 423 insertions, 0 deletions
diff --git a/board/digsy_mtc/Makefile b/board/digsy_mtc/Makefile
new file mode 100644
index 0000000..7d659e5
--- /dev/null
+++ b/board/digsy_mtc/Makefile
@@ -0,0 +1,32 @@
+
+#
+# Author: Grzegorz Bernacki, Semihalf, gjb@semihalf.com
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := $(BOARD).o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/digsy_mtc/config.mk b/board/digsy_mtc/config.mk
new file mode 100644
index 0000000..e2f14b0
--- /dev/null
+++ b/board/digsy_mtc/config.mk
@@ -0,0 +1,24 @@
+#
+# Author: Grzegorz Bernacki, Semihalf, gjb@semihalf.com
+#
+
+#
+# digsyMTC board:
+#
+# Valid values for TEXT_BASE are:
+#
+# 0xFFF00000 boot high (standard configuration)
+# 0xFE000000 boot low
+# 0x00100000 boot from RAM (for testing only)
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+## Standard: boot high
+TEXT_BASE = 0xFFF00000
+## For testing: boot from RAM
+# TEXT_BASE = 0x00100000
+endif
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/digsy_mtc/digsy_mtc.c b/board/digsy_mtc/digsy_mtc.c
new file mode 100644
index 0000000..e231c10
--- /dev/null
+++ b/board/digsy_mtc/digsy_mtc.c
@@ -0,0 +1,307 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
+ *
+ * (C) Copyright 2005-2009
+ * Modified for InterControl digsyMTC MPC5200 board by
+ * Frank Bodammer, GCD Hard- & Software GmbH,
+ * frank.bodammer@gcd-solutions.de
+ *
+ * (C) Copyright 2009
+ * Grzegorz Bernacki, Semihalf, gjb@semihalf.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 <common.h>
+#include <mpc5xxx.h>
+#include <net.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include "eeprom.h"
+#include "is42s16800a-7t.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern int usb_cpu_init(void);
+
+#ifndef CONFIG_SYS_RAMBOOT
+static void sdram_start(int hi_addr)
+{
+ long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+ long control = SDRAM_CONTROL | hi_addr_bit;
+
+ /* unlock mode register */
+ out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000000);
+
+ /* precharge all banks */
+ out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000002);
+
+ /* auto refresh */
+ out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000004);
+
+ /* set mode register */
+ out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_MODE);
+
+ /* normal operation */
+ out_be32((void *)MPC5XXX_SDRAM_CTRL, control);
+}
+#endif
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ * use of CONFIG_SYS_SDRAM_BASE. The code does not work if
+ * CONFIG_SYS_SDRAM_BASE is something else than 0x00000000.
+ */
+
+phys_size_t initdram(int board_type)
+{
+ ulong dramsize = 0;
+ ulong dramsize2 = 0;
+ uint svr, pvr;
+#ifndef CONFIG_SYS_RAMBOOT
+ ulong test1, test2;
+
+ /* setup SDRAM chip selects */
+ out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0x0000001C); /* 512MB at 0x0 */
+ out_be32((void *)MPC5XXX_SDRAM_CS1CFG, 0x80000000); /* disabled */
+
+ /* setup config registers */
+ out_be32((void *)MPC5XXX_SDRAM_CONFIG1, SDRAM_CONFIG1);
+ out_be32((void *)MPC5XXX_SDRAM_CONFIG2, SDRAM_CONFIG2);
+
+ /* find RAM size using SDRAM CS0 only */
+ sdram_start(0);
+ test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000);
+ sdram_start(1);
+ test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000);
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize = test1;
+ } else {
+ dramsize = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize < (1 << 20))
+ dramsize = 0;
+
+ /* set SDRAM CS0 size according to the amount of RAM found */
+ if (dramsize > 0) {
+ out_be32((void *)MPC5XXX_SDRAM_CS0CFG,
+ (0x13 + __builtin_ffs(dramsize >> 20) - 1));
+ } else {
+ out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0); /* disabled */
+ }
+
+ /* let SDRAM CS1 start right after CS0 */
+ out_be32((void *)MPC5XXX_SDRAM_CS1CFG, dramsize + 0x0000001C);
+
+ /* find RAM size using SDRAM CS1 only */
+ test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize),
+ 0x08000000);
+ dramsize2 = test1;
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize2 < (1 << 20))
+ dramsize2 = 0;
+
+ /* set SDRAM CS1 size according to the amount of RAM found */
+ if (dramsize2 > 0) {
+ out_be32((void *)MPC5XXX_SDRAM_CS1CFG, (dramsize |
+ (0x13 + __builtin_ffs(dramsize2 >> 20) - 1)));
+ } else {
+ out_be32((void *)MPC5XXX_SDRAM_CS1CFG, dramsize); /* disabled */
+ }
+
+#else /* CONFIG_SYS_RAMBOOT */
+
+ /* retrieve size of memory connected to SDRAM CS0 */
+ dramsize = in_be32((void *)MPC5XXX_SDRAM_CS0CFG) & 0xFF;
+ if (dramsize >= 0x13)
+ dramsize = (1 << (dramsize - 0x13)) << 20;
+ else
+ dramsize = 0;
+
+ /* retrieve size of memory connected to SDRAM CS1 */
+ dramsize2 = in_be32((void *)MPC5XXX_SDRAM_CS1CFG) & 0xFF;
+ if (dramsize2 >= 0x13)
+ dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
+ else
+ dramsize2 = 0;
+
+#endif /* CONFIG_SYS_RAMBOOT */
+
+ /*
+ * On MPC5200B we need to set the special configuration delay in the
+ * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
+ * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
+ *
+ * "The SDelay should be written to a value of 0x00000004. It is
+ * required to account for changes caused by normal wafer processing
+ * parameters."
+ */
+ svr = get_svr();
+ pvr = get_pvr();
+ if ((SVR_MJREV(svr) >= 2) &&
+ (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4))
+ out_be32((void *)MPC5XXX_SDRAM_SDELAY, 0x04);
+
+ return dramsize + dramsize2;
+}
+
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+
+ puts ("Board: InterControl digsyMTC");
+ if (s != NULL) {
+ puts(", ");
+ puts(s);
+ }
+ putc('\n');
+
+ return 0;
+}
+
+int board_early_init_r(void)
+{
+ /*
+ * Now, when we are in RAM, enable flash write access for detection
+ * process. Note that CS_BOOT cannot be cleared when executing in
+ * flash.
+ */
+ /* disable CS_BOOT */
+ clrbits_be32((void *)MPC5XXX_ADDECR, (1 << 25));
+ /* enable CS1 */
+ setbits_be32((void *)MPC5XXX_ADDECR, (1 << 17));
+ /* enable CS0 */
+ setbits_be32((void *)MPC5XXX_ADDECR, (1 << 16));
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
+ /* Low level USB init, required for proper kernel operation */
+ usb_cpu_init();
+#endif
+ return (0);
+}
+
+void board_get_enetaddr (uchar * enet)
+{
+ ushort read = 0;
+ ushort addr_of_eth_addr = 0;
+ ushort len_sys = 0;
+ ushort len_sys_cfg = 0;
+
+ /* check identification word */
+ eeprom_read(EEPROM_ADDR, EEPROM_ADDR_IDENT, (uchar *)&read, 2);
+ if (read != EEPROM_IDENT)
+ return;
+
+ /* calculate offset of config area */
+ eeprom_read(EEPROM_ADDR, EEPROM_ADDR_LEN_SYS, (uchar *)&len_sys, 2);
+ eeprom_read(EEPROM_ADDR, EEPROM_ADDR_LEN_SYSCFG,
+ (uchar *)&len_sys_cfg, 2);
+ addr_of_eth_addr = (len_sys + len_sys_cfg + EEPROM_ADDR_ETHADDR) << 1;
+ if (addr_of_eth_addr >= EEPROM_LEN)
+ return;
+
+ eeprom_read(EEPROM_ADDR, addr_of_eth_addr, enet, 6);
+}
+
+int misc_init_r(void)
+{
+ uchar enetaddr[6];
+
+ if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
+ board_get_enetaddr(enetaddr);
+ eth_setenv_enetaddr("ethaddr", enetaddr);
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_PCI
+static struct pci_controller hose;
+
+extern void pci_mpc5xxx_init(struct pci_controller *);
+
+void pci_init_board(void)
+{
+ pci_mpc5xxx_init(&hose);
+}
+#endif
+
+#ifdef CONFIG_CMD_IDE
+
+#ifdef CONFIG_IDE_RESET
+
+void init_ide_reset(void)
+{
+ debug ("init_ide_reset\n");
+
+ /* set gpio output value to 1 */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25));
+ /* open drain output */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25));
+ /* direction output */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25));
+ /* enable gpio */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25));
+
+}
+
+void ide_set_reset(int idereset)
+{
+ debug ("ide_reset(%d)\n", idereset);
+
+ /* set gpio output value to 0 */
+ clrbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25));
+ /* open drain output */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25));
+ /* direction output */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25));
+ /* enable gpio */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25));
+
+ udelay(10000);
+
+ /* set gpio output value to 1 */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25));
+ /* open drain output */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25));
+ /* direction output */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25));
+ /* enable gpio */
+ setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25));
+}
+#endif /* CONFIG_IDE_RESET */
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ ft_cpu_setup(blob, bd);
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+
+#endif /* CONFIG_CMD_IDE */
+
diff --git a/board/digsy_mtc/eeprom.h b/board/digsy_mtc/eeprom.h
new file mode 100644
index 0000000..39e0378
--- /dev/null
+++ b/board/digsy_mtc/eeprom.h
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2009 Semihalf.
+ * Written by: Grzegorz Bernacki <gjb@semihalf.com>
+ *
+ * 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 anty 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
+ *
+ */
+#ifndef CMD_EEPROM_H
+#define CMD_EEPROM_H
+
+#define EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
+#define EEPROM_LEN 1024 /* eeprom length */
+#define EEPROM_IDENT 2408 /* identification word */
+#define EEPROM_ADDR_IDENT 0 /* identification word offset */
+#define EEPROM_ADDR_LEN_SYS 2 /* system area lenght offset */
+#define EEPROM_ADDR_LEN_SYSCFG 4 /* system config area length offset */
+#define EEPROM_ADDR_ETHADDR 23 /* ethernet addres offset */
+
+#endif
diff --git a/board/digsy_mtc/is42s16800a-7t.h b/board/digsy_mtc/is42s16800a-7t.h
new file mode 100644
index 0000000..1873ea7
--- /dev/null
+++ b/board/digsy_mtc/is42s16800a-7t.h
@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2004-2009
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.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
+ */
+
+#define SDRAM_MODE 0x00CD0000
+#define SDRAM_CONTROL 0x505F0000
+#define SDRAM_CONFIG1 0xD2322900
+#define SDRAM_CONFIG2 0x8AD70000
+
generated by cgit v1.1 at 2024-12-02 23:16:21 +0000