ppc: add support for ppc based board mgcoge2ne

The mgcoge2 board from keymile deploys two different processors.
An ARM based Kirkwood for the "unit" part of the SW and a PPC for
the "ne" part of the SW. Therefore in Linux and U-Boot the names
for the board are mgcoge2un and mgcoge2ne. This patch adds the
mgcoge2ne part of the board. The ppc part of mgboge2 is quite
similar to mgcoge, therefore a generic header km82xx-common.h
was introduced to collect all similiarities. Currently the only
difference is that mgcoge2ne has a 64 MB numonyx NOR flash with
a single die. The mgcoge has a dual die flash 2*32MB from spansion.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
cc: Wolfgang Denk <wd@denx.de>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
diff --git a/include/configs/km82xx-common.h b/include/configs/km82xx-common.h
new file mode 100644
index 0000000..f0a5893
--- /dev/null
+++ b/include/configs/km82xx-common.h
@@ -0,0 +1,336 @@
+/*
+ * (C) Copyright 2007-2010
+ * Heiko Schocher, DENX Software Engineering, hs@denx.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
+ */
+
+#ifndef __KM82XX_COMMON
+#define __KM82XX_COMMON
+
+/*
+ * Select serial console configuration
+ *
+ * If either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
+ * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
+ * for SCC).
+ */
+#define	CONFIG_CONS_ON_SMC		/* Console is on SMC         */
+#undef  CONFIG_CONS_ON_SCC		/* It's not on SCC           */
+#undef	CONFIG_CONS_NONE		/* It's not on external UART */
+#define CONFIG_CONS_INDEX	2	/* SMC2 is used for console  */
+#define CONFIG_SYS_SMC_RXBUFLEN	128
+#define CONFIG_SYS_MAXIDLE	10
+
+/*
+ * Select ethernet configuration
+ *
+ * If either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected,
+ * then CONFIG_ETHER_INDEX must be set to the channel number (1-4 for
+ * SCC, 1-3 for FCC)
+ *
+ * If CONFIG_ETHER_NONE is defined, then either the ethernet routines
+ * must be defined elsewhere (as for the console), or CONFIG_CMD_NET
+ * must be unset.
+ */
+#define	CONFIG_ETHER_ON_SCC		/* Ethernet is on SCC */
+#undef	CONFIG_ETHER_ON_FCC		/* Ethernet is not on FCC     */
+#undef	CONFIG_ETHER_NONE		/* No external Ethernet   */
+#define CONFIG_NET_MULTI
+
+#define CONFIG_ETHER_INDEX	4
+#define CONFIG_HAS_ETH0
+#define CONFIG_SYS_SCC_TOUT_LOOP	10000000
+
+#define CONFIG_SYS_CMXSCR_VALUE	(CMXSCR_RS4CS_CLK7 | CMXSCR_TS4CS_CLK8)
+
+#ifndef CONFIG_8260_CLKIN
+#define CONFIG_8260_CLKIN	66000000	/* in Hz */
+#endif
+
+#define BOOTFLASH_START		0xFE000000
+
+#define CONFIG_KM_CONSOLE_TTY	"ttyCPM0"
+
+#define MTDPARTS_DEFAULT	"mtdparts="				\
+	"app:"								\
+		"768k(u-boot),"						\
+		"128k(env),"						\
+		"128k(envred),"						\
+		"3072k(free),"						\
+		"-(" CONFIG_KM_UBI_PARTITION_NAME ")"
+
+/*
+ * Default environment settings
+ */
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	CONFIG_KM_DEF_ENV						\
+	"EEprom_ivm=pca9544a:70:4 \0"					\
+	"unlock=yes\0"							\
+	"newenv="							\
+		"prot off 0xFE0C0000 +0x40000 && "			\
+		"era 0xFE0C0000 +0x40000\0"				\
+	"rootpath=/opt/eldk/ppc_82xx\0"					\
+	""
+
+#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE
+#if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
+#define CONFIG_SYS_RAMBOOT
+#endif
+
+#define CONFIG_SYS_MONITOR_LEN		(768 << 10)
+
+#define CONFIG_ENV_IS_IN_FLASH
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SECT_SIZE	0x20000
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + \
+					CONFIG_SYS_MONITOR_LEN)
+#define CONFIG_ENV_OFFSET	CONFIG_SYS_MONITOR_LEN
+
+/* Address and size of Redundant Environment Sector	*/
+#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
+						CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
+#endif /* CONFIG_ENV_IS_IN_FLASH */
+
+/* enable I2C and select the hardware/software driver */
+#undef	CONFIG_HARD_I2C			/* I2C with hardware support	*/
+#define	CONFIG_SOFT_I2C			/* I2C bit-banged		*/
+#define CONFIG_SYS_I2C_SPEED		50000	/* I2C speed */
+#define CONFIG_SYS_I2C_SLAVE		0x7F	/* I2C slave address */
+
+/*
+ * Software (bit-bang) I2C driver configuration
+ */
+
+#define I2C_PORT	3		/* Port A=0, B=1, C=2, D=3 */
+#define I2C_ACTIVE	(iop->pdir |=  0x00010000)
+#define I2C_TRISTATE	(iop->pdir &= ~0x00010000)
+#define I2C_READ	((iop->pdat & 0x00010000) != 0)
+#define I2C_SDA(bit)	do { \
+				if (bit) \
+					iop->pdat |=  0x00010000; \
+				else \
+					iop->pdat &= ~0x00010000; \
+			} while (0)
+#define I2C_SCL(bit)	do { \
+				if (bit) \
+					iop->pdat |=  0x00020000; \
+				else \
+					iop->pdat &= ~0x00020000; \
+			} while (0)
+#define I2C_DELAY	udelay(5)	/* 1/4 I2C clock duration */
+
+/* I2C SYSMON (LM75, AD7414 is almost compatible)			*/
+#define CONFIG_DTT_LM75			/* ON Semi's LM75		*/
+#define CONFIG_DTT_SENSORS	{0}	/* Sensor addresses		*/
+#define CONFIG_SYS_DTT_MAX_TEMP	70
+#define CONFIG_SYS_DTT_LOW_TEMP	-30
+#define CONFIG_SYS_DTT_HYSTERESIS	3
+#define CONFIG_SYS_DTT_BUS_NUM		(CONFIG_SYS_MAX_I2C_BUS)
+
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
+
+#define CONFIG_SYS_IMMR		0xF0000000
+
+#define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
+#define CONFIG_SYS_INIT_RAM_SIZE	0x2000 /* used size in DPRAM */
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - \
+						GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+
+/* Hard reset configuration word */
+#define CONFIG_SYS_HRCW_MASTER		0x0604b211
+
+/* No slaves */
+#define CONFIG_SYS_HRCW_SLAVE1		0
+#define CONFIG_SYS_HRCW_SLAVE2		0
+#define CONFIG_SYS_HRCW_SLAVE3		0
+#define CONFIG_SYS_HRCW_SLAVE4		0
+#define CONFIG_SYS_HRCW_SLAVE5		0
+#define CONFIG_SYS_HRCW_SLAVE6		0
+#define CONFIG_SYS_HRCW_SLAVE7		0
+
+/* Initial Memory map for Linux */
+#define CONFIG_SYS_BOOTMAPSZ		(8 << 20)
+
+#define CONFIG_SYS_CACHELINE_SIZE	32	/* For MPC8260 CPUs */
+#if defined(CONFIG_CMD_KGDB)
+#  define CONFIG_SYS_CACHELINE_SHIFT	5 /* log base 2 of the above value */
+#endif
+
+#define CONFIG_SYS_HID0_INIT		0
+#define CONFIG_SYS_HID0_FINAL		(HID0_ICE | HID0_IFEM | HID0_ABE)
+
+#define CONFIG_SYS_HID2		0
+
+#define CONFIG_SYS_SIUMCR		0x4020c200
+#define CONFIG_SYS_SYPCR		0xFFFFFFC3
+#define CONFIG_SYS_BCR			0x10000000
+#define CONFIG_SYS_SCCR		(SCCR_PCI_MODE | SCCR_PCI_MODCK)
+
+/*
+ *-----------------------------------------------------------------------
+ * RMR - Reset Mode Register                                     5-5
+ *-----------------------------------------------------------------------
+ * turn on Checkstop Reset Enable
+ */
+#define CONFIG_SYS_RMR         0
+
+/*
+ *-----------------------------------------------------------------------
+ * TMCNTSC - Time Counter Status and Control                     4-40
+ *-----------------------------------------------------------------------
+ * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
+ * and enable Time Counter
+ */
+#define CONFIG_SYS_TMCNTSC     (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
+
+/*
+ *-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control                 4-42
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
+ * Periodic timer
+ */
+#define CONFIG_SYS_PISCR       (PISCR_PS|PISCR_PTF|PISCR_PTE)
+
+/*
+ *-----------------------------------------------------------------------
+ * RCCR - RISC Controller Configuration                         13-7
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_SYS_RCCR        0
+
+/*
+ * Init Memory Controller:
+ *
+ * Bank Bus     Machine PortSz  Device
+ * ---- ---     ------- ------  ------
+ *  0   60x     GPCM     8 bit  FLASH
+ *  1   60x     SDRAM   32 bit  SDRAM
+ *  3   60x     GPCM     8 bit  GPIO/PIGGY
+ *  5   60x     GPCM    16 bit  CFG-Flash
+ *
+ */
+/* Bank 0 - FLASH
+ */
+#define CONFIG_SYS_BR0_PRELIM  ((CONFIG_SYS_FLASH_BASE & BRx_BA_MSK)	|\
+			 BRx_PS_8			|\
+			 BRx_MS_GPCM_P			|\
+			 BRx_V)
+
+#define CONFIG_SYS_OR0_PRELIM  (MEG_TO_AM(CONFIG_SYS_FLASH_SIZE)	|\
+			 ORxG_CSNT			|\
+			 ORxG_ACS_DIV2			|\
+			 ORxG_SCY_5_CLK			|\
+			 ORxG_TRLX)
+
+
+/*
+ * Bank 1 - 60x bus SDRAM
+ */
+#define SDRAM_MAX_SIZE	0x08000000	/* max. 128 MB		*/
+#define CONFIG_SYS_GLOBAL_SDRAM_LIMIT	(256 << 20)	/* less than 256 MB */
+
+#define CONFIG_SYS_MPTPR       0x1800
+
+/*
+ *-----------------------------------------------------------------------------
+ * Address for Mode Register Set (MRS) command
+ *-----------------------------------------------------------------------------
+ */
+#define CONFIG_SYS_MRS_OFFS	0x00000110
+#define CONFIG_SYS_PSRT        0x0e
+
+#define CONFIG_SYS_BR1_PRELIM ((CONFIG_SYS_SDRAM_BASE & BRx_BA_MSK) |\
+			 BRx_PS_64		|\
+			 BRx_MS_SDRAM_P		|\
+			 BRx_V)
+
+#define CONFIG_SYS_OR1_PRELIM	CONFIG_SYS_OR1
+
+/*
+ *  SDRAM initialization values
+ */
+
+#define CONFIG_SYS_OR1 ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
+			 ORxS_BPD_8			|\
+			 ORxS_ROWST_PBI0_A7		|\
+			 ORxS_NUMR_13)
+
+#define CONFIG_SYS_PSDMR (PSDMR_SDAM_A14_IS_A5	|\
+			 PSDMR_BSMA_A14_A16	|\
+			 PSDMR_SDA10_PBI0_A9	|\
+			 PSDMR_RFRC_5_CLK	|\
+			 PSDMR_PRETOACT_2W	|\
+			 PSDMR_ACTTORW_2W	|\
+			 PSDMR_LDOTOPRE_1C	|\
+			 PSDMR_WRC_1C		|\
+			 PSDMR_CL_2)
+
+/*
+ * GPIO/PIGGY on CS3 initialization values
+ */
+#define CONFIG_SYS_PIGGY_BASE	0x30000000
+#define CONFIG_SYS_PIGGY_SIZE	128
+
+#define CONFIG_SYS_BR3_PRELIM	((CONFIG_SYS_PIGGY_BASE & BRx_BA_MSK) |\
+			 BRx_PS_8 | BRx_MS_GPCM_P | BRx_V)
+
+#define CONFIG_SYS_OR3_PRELIM	(MEG_TO_AM(CONFIG_SYS_PIGGY_SIZE) |\
+			 ORxG_CSNT | ORxG_ACS_DIV2 |\
+			 ORxG_SCY_3_CLK | ORxG_TRLX)
+
+/*
+ * Board FPGA on CS4 initialization values
+ */
+#define CONFIG_SYS_FPGA_BASE	0x40000000
+#define CONFIG_SYS_FPGA_SIZE	1 /*1KB*/
+
+#define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_FPGA_BASE & BRx_BA_MSK) |\
+			BRx_PS_8 | BRx_MS_GPCM_P | BRx_V)
+
+#define CONFIG_SYS_OR4_PRELIM (P2SZ_TO_AM(CONFIG_SYS_FPGA_SIZE << 10) |\
+			 ORxG_CSNT | ORxG_ACS_DIV2 |\
+			 ORxG_SCY_3_CLK | ORxG_TRLX)
+
+/*
+ * CFG-Flash on CS5 initialization values
+ */
+#define CONFIG_SYS_BR5_PRELIM	((CONFIG_SYS_FLASH_BASE_1 & BRx_BA_MSK) |\
+			 BRx_PS_16 | BRx_MS_GPCM_P | BRx_V)
+
+#define CONFIG_SYS_OR5_PRELIM	(MEG_TO_AM(CONFIG_SYS_FLASH_SIZE_1 + \
+				 CONFIG_SYS_FLASH_SIZE_2) |\
+				 ORxG_CSNT | ORxG_ACS_DIV2 |\
+				 ORxG_SCY_5_CLK | ORxG_TRLX)
+
+#define	CONFIG_SYS_RESET_ADDRESS 0xFDFFFFFC	/* "bad" address */
+
+/* pass open firmware flat tree */
+#define CONFIG_FIT		1
+#define CONFIG_OF_LIBFDT	1
+#define CONFIG_OF_BOARD_SETUP	1
+
+#define OF_TBCLK		(bd->bi_busfreq / 4)
+#define OF_STDOUT_PATH		"/soc/cpm/serial@11a90"
+
+#endif /* __KM82XX_COMMON */