1 files changed, 317 insertions, 0 deletions
diff --git a/board/manroland/hmi1001/hmi1001.c b/board/manroland/hmi1001/hmi1001.c
new file mode 100644
index 0000000..9cbed4b
--- /dev/null
+++ b/board/manroland/hmi1001/hmi1001.c
@@ -0,0 +1,317 @@
+/*
+ * (C) Copyright 2003-2008
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
+ *
+ * (C) Copyright 2004
+ * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.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 <mpc5xxx.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <malloc.h>
+
+#ifndef CONFIG_SYS_RAMBOOT
+static void sdram_start (int hi_addr)
+{
+	long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+
+	/* unlock mode register */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* precharge all banks */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+#if SDRAM_DDR
+	/* set mode register: extended mode */
+	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
+	__asm__ volatile ("sync");
+
+	/* set mode register: reset DLL */
+	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
+	__asm__ volatile ("sync");
+#endif
+
+	/* precharge all banks */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* auto refresh */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* set mode register */
+	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE;
+	__asm__ volatile ("sync");
+
+	/* normal operation */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
+	__asm__ volatile ("sync");
+}
+#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;
+#ifndef CONFIG_SYS_RAMBOOT
+	ulong test1, test2;
+	uint svr, pvr;
+
+	/* setup SDRAM chip selects */
+	*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
+	*(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */
+	__asm__ volatile ("sync");
+
+	/* setup config registers */
+	*(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
+	*(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
+	__asm__ volatile ("sync");
+
+#if SDRAM_DDR
+	/* set tap delay */
+	*(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
+	__asm__ volatile ("sync");
+#endif
+
+	/* find RAM size using SDRAM CS0 only */
+	sdram_start(0);
+	test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
+	sdram_start(1);
+	test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
+	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) {
+		*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
+			__builtin_ffs(dramsize >> 20) - 1;
+	} else {
+		*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
+	}
+
+	*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
+#else /* CONFIG_SYS_RAMBOOT */
+
+	/* retrieve size of memory connected to SDRAM CS0 */
+	dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
+	if (dramsize >= 0x13) {
+		dramsize = (1 << (dramsize - 0x13)) << 20;
+	} else {
+		dramsize = 0;
+	}
+
+	/* retrieve size of memory connected to SDRAM CS1 */
+	dramsize2 = *(vu_long *)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)) {
+
+		*(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
+		__asm__ volatile ("sync");
+	}
+
+/*	return dramsize + dramsize2; */
+	return dramsize;
+}
+
+int checkboard (void)
+{
+	puts ("Board: HMI1001\n");
+	return 0;
+}
+
+#ifdef CONFIG_PREBOOT
+
+static uchar kbd_magic_prefix[]		= "key_magic";
+static uchar kbd_command_prefix[]	= "key_cmd";
+
+#define S1_ROT	0xf0
+#define S2_Q	0x40
+#define S2_M	0x20
+
+struct kbd_data_t {
+	char s1;
+	char s2;
+};
+
+struct kbd_data_t* get_keys (struct kbd_data_t *kbd_data)
+{
+	kbd_data->s1 = *((volatile uchar*)(CONFIG_SYS_STATUS1_BASE));
+	kbd_data->s2 = *((volatile uchar*)(CONFIG_SYS_STATUS2_BASE));
+
+	return kbd_data;
+}
+
+static int compare_magic (const struct kbd_data_t *kbd_data, char *str)
+{
+	char s1 = str[0];
+	char s2;
+
+	if (s1 >= '0' && s1 <= '9')
+		s1 -= '0';
+	else if (s1 >= 'a' && s1 <= 'f')
+		s1 = s1 - 'a' + 10;
+	else if (s1 >= 'A' && s1 <= 'F')
+		s1 = s1 - 'A' + 10;
+	else
+		return -1;
+
+	if (((S1_ROT & kbd_data->s1) >> 4) != s1)
+		return -1;
+
+	s2 = (S2_Q | S2_M) & kbd_data->s2;
+
+	switch (str[1]) {
+	case 'q':
+	case 'Q':
+		if (s2 == S2_Q)
+			return -1;
+		break;
+	case 'm':
+	case 'M':
+		if (s2 == S2_M)
+			return -1;
+		break;
+	case '\0':
+		if (s2 == (S2_Q | S2_M))
+			return 0;
+	default:
+		return -1;
+	}
+
+	if (str[2])
+		return -1;
+
+	return 0;
+}
+
+static char *key_match (const struct kbd_data_t *kbd_data)
+{
+	char magic[sizeof (kbd_magic_prefix) + 1];
+	char *suffix;
+	char *kbd_magic_keys;
+
+	/*
+	 * The following string defines the characters that can be appended
+	 * to "key_magic" to form the names of environment variables that
+	 * hold "magic" key codes, i. e. such key codes that can cause
+	 * pre-boot actions. If the string is empty (""), then only
+	 * "key_magic" is checked (old behaviour); the string "125" causes
+	 * checks for "key_magic1", "key_magic2" and "key_magic5", etc.
+	 */
+	if ((kbd_magic_keys = getenv ("magic_keys")) == NULL)
+		kbd_magic_keys = "";
+
+	/* loop over all magic keys;
+	 * use '\0' suffix in case of empty string
+	 */
+	for (suffix = kbd_magic_keys; *suffix ||
+		     suffix == kbd_magic_keys; ++suffix) {
+		sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
+
+		if (compare_magic(kbd_data, getenv(magic)) == 0) {
+			char cmd_name[sizeof (kbd_command_prefix) + 1];
+			char *cmd;
+
+			sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
+			cmd = getenv (cmd_name);
+
+			return (cmd);
+		}
+	}
+
+	return (NULL);
+}
+
+#endif /* CONFIG_PREBOOT */
+
+int misc_init_r (void)
+{
+#ifdef CONFIG_PREBOOT
+	struct kbd_data_t kbd_data;
+	/* Decode keys */
+	char *str = strdup (key_match (get_keys (&kbd_data)));
+	/* Set or delete definition */
+	setenv ("preboot", str);
+	free (str);
+#endif /* CONFIG_PREBOOT */
+
+	return 0;
+}
+
+int board_early_init_r (void)
+{
+	*(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
+	*(vu_long *)MPC5XXX_BOOTCS_START =
+	*(vu_long *)MPC5XXX_CS0_START = START_REG(CONFIG_SYS_FLASH_BASE);
+	*(vu_long *)MPC5XXX_BOOTCS_STOP =
+	*(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE);
+	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