Patches by Jon Loeliger, 24 Aug 2004:

- Add support for the MPC8541 and MPC8555 CDS boards
- Cleanup eth?addr handling: make dependent on CONFIG_ETH?ADDR

4 files changed, 259 insertions, 0 deletions

diff --git a/board/cds/common/cadmus.c b/board/cds/common/cadmus.c
new file mode 100644
index 0000000..5f86de5
--- /dev/null
+++ b/board/cds/common/cadmus.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ *
+ * 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>
+
+
+/*
+ * CADMUS Board System Registers
+ */
+#ifndef CFG_CADMUS_BASE_REG
+#define CFG_CADMUS_BASE_REG	(CADMUS_BASE_ADDR + 0x4000)
+#endif
+
+typedef struct cadmus_reg {
+    u_char cm_ver;		/* Board version */
+    u_char cm_csr;		/* General control/status */
+    u_char cm_rst;		/* Reset control */
+    u_char cm_hsclk;		/* High speed clock */
+    u_char cm_hsxclk;		/* High speed clock extended */
+    u_char cm_led;		/* LED data */
+    u_char cm_pci;		/* PCI control/status */
+    u_char cm_dma;		/* DMA control */
+    u_char cm_reserved[248];	/* Total 256 bytes */
+} cadmus_reg_t;
+
+
+unsigned int
+get_board_version(void)
+{
+	volatile cadmus_reg_t *cadmus = (cadmus_reg_t *)CFG_CADMUS_BASE_REG;
+
+	return cadmus->cm_ver;
+}
+
+
+unsigned long
+get_clock_freq(void)
+{
+	volatile cadmus_reg_t *cadmus = (cadmus_reg_t *)CFG_CADMUS_BASE_REG;
+
+	uint pci1_speed = (cadmus->cm_pci >> 2) & 0x3; /* PSPEED in [4:5] */
+
+	if (pci1_speed == 0) {
+		return 33000000;
+	} else if (pci1_speed == 1) {
+		return 66000000;
+	} else {
+		/* Really, unknown. Be safe? */
+		return 33000000;
+	}
+}
+
+
+unsigned int
+get_pci_slot(void)
+{
+	volatile cadmus_reg_t *cadmus = (cadmus_reg_t *)CFG_CADMUS_BASE_REG;
+
+	/*
+	 * PCI slot in USER bits CSR[6:7] by convention.
+	 */
+	return ((cadmus->cm_csr >> 6) & 0x3) + 1;
+}
+
+
+unsigned int
+get_pci_dual(void)
+{
+	volatile cadmus_reg_t *cadmus = (cadmus_reg_t *)CFG_CADMUS_BASE_REG;
+
+	/*
+	 * PCI DUAL in CM_PCI[3]
+	 */
+	return cadmus->cm_pci & 0x10;
+}
diff --git a/board/cds/common/cadmus.h b/board/cds/common/cadmus.h
new file mode 100644
index 0000000..217ea64
--- /dev/null
+++ b/board/cds/common/cadmus.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ *
+ * 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
+ */
+
+#ifndef __CADMUS_H_
+#define __CADMUS_H_
+
+
+/*
+ * CADMUS Board System Register interface.
+ */
+
+/*
+ * Returns board version register.
+ */
+extern unsigned int get_board_version(void);
+
+/*
+ * Returns either 33000000 or 66000000 as the SYS_CLK_FREQ.
+ */
+extern unsigned long get_clock_freq(void);
+
+
+/*
+ * Returns 1 - 4, as found in the USER CSR[6:7] bits.
+ */
+extern unsigned int get_pci_slot(void);
+
+
+/*
+ * Returns PCI DUAL as found in CM_PCI[3].
+ */
+extern unsigned int get_pci_dual(void);
+
+
+#endif	/* __CADMUS_H_ */
diff --git a/board/cds/common/eeprom.c b/board/cds/common/eeprom.c
new file mode 100644
index 0000000..5034e0c
--- /dev/null
+++ b/board/cds/common/eeprom.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ *
+ * 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 <i2c.h>
+
+#include "eeprom.h"
+
+
+typedef struct {
+	char idee_pcbid[4];		/* "CCID" for CDC v1.X */
+	u8 idee_major;
+	u8 idee_minor;
+	char idee_serial[10];
+	char idee_errata[2];
+	char idee_date[8];		/* yyyymmdd */
+	/* The rest of the EEPROM space is reserved */
+} id_eeprom_t;
+
+
+unsigned int
+get_cpu_board_revision(void)
+{
+	uint major = 0;
+	uint minor = 0;
+
+	id_eeprom_t id_eeprom;
+
+	i2c_read(CFG_I2C_EEPROM_ADDR, 0, 2,
+		 (uchar *) &id_eeprom, sizeof(id_eeprom));
+
+	major = id_eeprom.idee_major;
+	minor = id_eeprom.idee_minor;
+
+	if (major == 0xff && minor == 0xff) {
+		major = minor = 0;
+	}
+
+	return MPC85XX_CPU_BOARD_REV(major,minor);
+}
diff --git a/board/cds/common/eeprom.h b/board/cds/common/eeprom.h
new file mode 100644
index 0000000..12a0789
--- /dev/null
+++ b/board/cds/common/eeprom.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ *
+ * 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
+ */
+
+#ifndef __EEPROM_H_
+#define __EEPROM_H_
+
+
+/*
+ * EEPROM Board System Register interface.
+ */
+
+
+/*
+ * CPU Board Revision
+ */
+#define MPC85XX_CPU_BOARD_REV(maj, min)	((((maj)&0xff) << 8) | ((min) & 0xff))
+#define MPC85XX_CPU_BOARD_MAJOR(rev)	(((rev) >> 8) & 0xff)
+#define MPC85XX_CPU_BOARD_MINOR(rev)	((rev) & 0xff)
+
+#define MPC85XX_CPU_BOARD_REV_UNKNOWN	MPC85XX_CPU_BOARD_REV(0,0)
+#define MPC85XX_CPU_BOARD_REV_1_0	MPC85XX_CPU_BOARD_REV(1,0)
+#define MPC85XX_CPU_BOARD_REV_1_1	MPC85XX_CPU_BOARD_REV(1,1)
+
+/*
+ * Returns CPU board revision register as a 16-bit value with
+ * the Major in the high byte, and Minor in the low byte.
+ */
+extern unsigned int get_cpu_board_revision(void);
+
+
+#endif	/* __CADMUS_H_ */