init commit via android 4.4 uboot

1 files changed, 302 insertions, 0 deletions

diff --git a/board/dave/PPChameleonEVB/PPChameleonEVB.c b/board/dave/PPChameleonEVB/PPChameleonEVB.c
new file mode 100755
index 0000000..5f2c705
--- /dev/null
+++ b/board/dave/PPChameleonEVB/PPChameleonEVB.c
@@ -0,0 +1,302 @@
+/*
+ * (C) Copyright 2003
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * 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/processor.h>
+#include <command.h>
+#include <malloc.h>
+
+/* ------------------------------------------------------------------------- */
+
+/* Prototypes */
+int gunzip(void *, int, unsigned char *, unsigned long *);
+
+int board_early_init_f (void)
+{
+	out32(GPIO0_OR, CFG_NAND0_CE);                 /* set initial outputs     */
+	out32(GPIO0_OR, CFG_NAND1_CE);                 /* set initial outputs     */
+
+	/*
+	 * IRQ 0-15  405GP internally generated; active high; level sensitive
+	 * IRQ 16    405GP internally generated; active low; level sensitive
+	 * IRQ 17-24 RESERVED
+	 * IRQ 25 (EXT IRQ 0)
+	 * IRQ 26 (EXT IRQ 1)
+	 * IRQ 27 (EXT IRQ 2)
+	 * IRQ 28 (EXT IRQ 3)
+	 * IRQ 29 (EXT IRQ 4)
+	 * IRQ 30 (EXT IRQ 5)
+	 * IRQ 31 (EXT IRQ 6)
+	 */
+	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
+	mtdcr(uicer, 0x00000000);       /* disable all ints */
+	mtdcr(uiccr, 0x00000000);       /* set all to be non-critical*/
+	mtdcr(uicpr, 0xFFFFFF80);       /* set int polarities */
+	mtdcr(uictr, 0x10000000);       /* set int trigger levels */
+	mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/
+	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
+
+	/*
+	 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
+	 */
+#if 1 /* test-only */
+	mtebc (epcr, 0xa8400000); /* ebc always driven */
+#else
+	mtebc (epcr, 0x28400000); /* ebc in high-z */
+#endif
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_f (void)
+{
+	return 0;  /* dummy implementation */
+}
+
+extern flash_info_t flash_info[];	/* info for FLASH chips */
+
+int misc_init_r (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* adjust flash start and size as well as the offset */
+	gd->bd->bi_flashstart = 0 - flash_info[0].size;
+	gd->bd->bi_flashoffset= flash_info[0].size - CFG_MONITOR_LEN;
+#if 0
+	volatile unsigned short *fpga_mode =
+		(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
+	volatile unsigned char *duart0_mcr =
+		(unsigned char *)((ulong)DUART0_BA + 4);
+	volatile unsigned char *duart1_mcr =
+		(unsigned char *)((ulong)DUART1_BA + 4);
+
+	bd_t *bd = gd->bd;
+	char *	tmp;                    /* Temporary char pointer      */
+	unsigned char *dst;
+	ulong len = sizeof(fpgadata);
+	int status;
+	int index;
+	int i;
+	unsigned long cntrl0Reg;
+
+	dst = malloc(CFG_FPGA_MAX_SIZE);
+	if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
+		printf ("GUNZIP ERROR - must RESET board to recover\n");
+		do_reset (NULL, 0, 0, NULL);
+	}
+
+	status = fpga_boot(dst, len);
+	if (status != 0) {
+		printf("\nFPGA: Booting failed ");
+		switch (status) {
+		case ERROR_FPGA_PRG_INIT_LOW:
+			printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+			break;
+		case ERROR_FPGA_PRG_INIT_HIGH:
+			printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+			break;
+		case ERROR_FPGA_PRG_DONE:
+			printf("(Timeout: DONE not high after programming FPGA)\n ");
+			break;
+		}
+
+		/* display infos on fpgaimage */
+		index = 15;
+		for (i=0; i<4; i++) {
+			len = dst[index];
+			printf("FPGA: %s\n", &(dst[index+1]));
+			index += len+3;
+		}
+		putc ('\n');
+		/* delayed reboot */
+		for (i=20; i>0; i--) {
+			printf("Rebooting in %2d seconds \r",i);
+			for (index=0;index<1000;index++)
+				udelay(1000);
+		}
+		putc ('\n');
+		do_reset(NULL, 0, 0, NULL);
+	}
+
+	puts("FPGA:  ");
+
+	/* display infos on fpgaimage */
+	index = 15;
+	for (i=0; i<4; i++) {
+		len = dst[index];
+		printf("%s ", &(dst[index+1]));
+		index += len+3;
+	}
+	putc ('\n');
+
+	free(dst);
+
+	/*
+	 * Reset FPGA via FPGA_DATA pin
+	 */
+	SET_FPGA(FPGA_PRG | FPGA_CLK);
+	udelay(1000); /* wait 1ms */
+	SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
+	udelay(1000); /* wait 1ms */
+#endif
+
+#if 0
+	/*
+	 * Enable power on PS/2 interface
+	 */
+	*fpga_mode |= CFG_FPGA_CTRL_PS2_RESET;
+
+	/*
+	 * Enable interrupts in exar duart mcr[3]
+	 */
+	*duart0_mcr = 0x08;
+	*duart1_mcr = 0x08;
+#endif
+	return (0);
+}
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+	char str[64];
+	int i = getenv_r ("serial#", str, sizeof(str));
+
+	puts ("Board: ");
+
+	if (i == -1) {
+		puts ("### No HW ID - assuming PPChameleonEVB");
+	} else {
+		puts(str);
+	}
+
+	putc ('\n');
+
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+	unsigned long val;
+
+	mtdcr(memcfga, mem_mb0cf);
+	val = mfdcr(memcfgd);
+
+#if 0 /* test-only */
+	for (;;) {
+		NAND_DISABLE_CE(1);
+		udelay(100);
+		NAND_ENABLE_CE(1);
+		udelay(100);
+	}
+#endif
+#if 0
+	printf("\nmb0cf=%x\n", val); /* test-only */
+	printf("strap=%x\n", mfdcr(strap)); /* test-only */
+#endif
+
+	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+	/* TODO: XXX XXX XXX */
+	printf ("test: 16 MB - ok\n");
+
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+extern ulong
+nand_probe(ulong physadr);
+
+void
+nand_init(void)
+{
+	ulong totlen = 0;
+
+/*
+	The HI model is equipped with a large block NAND chip not supported yet
+	by U-Boot
+    (CONFIG_PPCHAMELEON_MODULE_MODEL == CONFIG_PPCHAMELEON_MODULE_HI)
+*/
+
+#if (CONFIG_PPCHAMELEON_MODULE_MODEL == CONFIG_PPCHAMELEON_MODULE_ME)
+	debug ("Probing at 0x%.8x\n", CFG_NAND0_BASE);
+	totlen += nand_probe (CFG_NAND0_BASE);
+#endif	/* CONFIG_PPCHAMELEON_MODULE_ME, CONFIG_PPCHAMELEON_MODULE_HI */
+
+	debug ("Probing at 0x%.8x\n", CFG_NAND1_BASE);
+	totlen += nand_probe (CFG_NAND1_BASE);
+
+	printf ("%3lu MB\n", totlen >>20);
+}
+#endif
+
+#ifdef CONFIG_CFB_CONSOLE
+# ifdef CONFIG_CONSOLE_EXTRA_INFO
+# include <video_fb.h>
+extern GraphicDevice smi;
+
+void video_get_info_str (int line_number, char *info)
+{
+	uint pvr = get_pvr ();
+
+	/* init video info strings for graphic console */
+	switch (line_number) {
+	case 1:
+		switch (pvr) {
+		case PVR_405EP_RB:
+			sprintf (info, " AMCC PowerPC 405EP Rev. B");
+			break;
+		default:
+			sprintf (info, " AMCC PowerPC 405EP Rev. <unknown>");
+			break;
+		}
+		return;
+	case 2:
+		sprintf (info, " DAVE Srl PPChameleonEVB - www.dave-tech.it");
+		return;
+	case 3:
+		sprintf (info, " %s", smi.modeIdent);
+		return;
+	}
+
+	/* no more info lines */
+	*info = 0;
+	return;
+}
+# endif	/* CONFIG_CONSOLE_EXTRA_INFO */
+#endif	/* CONFIG_CFB_CONSOLE */