init commit via android 4.4 uboot

1 files changed, 174 insertions, 0 deletions

diff --git a/board/eltec/elppc/elppc.c b/board/eltec/elppc/elppc.c
new file mode 100755
index 0000000..a9dbeb2
--- /dev/null
+++ b/board/eltec/elppc/elppc.c
@@ -0,0 +1,174 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.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 <command.h>
+#include <mpc106.h>
+#include <video_fb.h>
+
+/* ------------------------------------------------------------------------- */
+
+int checkboard (void)
+{
+	puts ("Board: ELTEC PowerPC\n");
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int checkflash (void)
+{
+	/* TODO */
+	printf ("Test not implemented !\n");
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static unsigned int mpc106_read_cfg_dword (unsigned int reg)
+{
+	unsigned int reg_addr = MPC106_REG | (reg & 0xFFFFFFFC);
+
+	out32r (MPC106_REG_ADDR, reg_addr);
+
+	return (in32r (MPC106_REG_DATA | (reg & 0x3)));
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int dram_size (int board_type)
+{
+	/*
+	 * No actual initialisation to do - done when setting up
+	 * PICRs MCCRs ME/SARs etc in asm_init.S.
+	 */
+
+	register unsigned long i, msar1, mear1, memSize;
+
+#if defined(CFG_MEMTEST)
+	register unsigned long reg;
+
+	printf ("Testing DRAM\n");
+
+	/* write each mem addr with it's address */
+	for (reg = CFG_MEMTEST_START; reg < CFG_MEMTEST_END; reg += 4)
+		*reg = reg;
+
+	for (reg = CFG_MEMTEST_START; reg < CFG_MEMTEST_END; reg += 4) {
+		if (*reg != reg)
+			return -1;
+	}
+#endif
+
+	/*
+	 * Since MPC107 memory controller chip has already been set to
+	 * control all memory, just read and interpret its memory boundery register.
+	 */
+	memSize = 0;
+	msar1 = mpc106_read_cfg_dword (MPC106_MSAR1);
+	mear1 = mpc106_read_cfg_dword (MPC106_MEAR1);
+	i = mpc106_read_cfg_dword (MPC106_MBER) & 0xf;
+
+	do {
+		if (i & 0x01)			/* is bank enabled ? */
+			memSize += (mear1 & 0xff) - (msar1 & 0xff) + 1;
+		msar1 >>= 8;
+		mear1 >>= 8;
+		i >>= 1;
+	} while (i);
+
+	return (memSize * 0x100000);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+	return dram_size (board_type);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * The BAB 911 can be reset by writing bit 0 of the Processor Initialization
+ * Register PI in the MPC 107 (at offset 0x41090 of the Embedded Utilities
+ * Memory Block).
+ */
+int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	out8 (MPC107_EUMB_PI, 1);
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+#if defined(CONFIG_WATCHDOG)
+
+/*
+ * Since the 7xx CPUs don't have an internal watchdog, this function is
+ * board specific.
+ */
+void watchdog_reset (void)
+{
+}
+#endif							/* CONFIG_WATCHDOG */
+
+/* ------------------------------------------------------------------------- */
+
+void after_reloc (ulong dest_addr)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/*
+	 * Jump to the main U-Boot board init code
+	 */
+	board_init_r ((gd_t *)gd, dest_addr);
+}
+
+/* ------------------------------------------------------------------------- */
+
+#ifdef CONFIG_CONSOLE_EXTRA_INFO
+extern GraphicDevice smi;
+
+void video_get_info_str (int line_number, char *info)
+{
+	/* init video info strings for graphic console */
+	switch (line_number) {
+	case 1:
+		sprintf (info, " MPC7xx V%d.%d at %d / %d MHz",
+				 (get_pvr () >> 8) & 0xFF, get_pvr () & 0xFF, 400, 100);
+		return;
+	case 2:
+		sprintf (info, " ELTEC ELPPC with %ld MB DRAM and %ld MB FLASH",
+				 dram_size (0) / 0x100000, flash_init () / 0x100000);
+		return;
+	case 3:
+		sprintf (info, " %s", smi.modeIdent);
+		return;
+	}
+
+	/* no more info lines */
+	*info = 0;
+	return;
+}
+#endif