Support for spc1920 board.
Patch by Markus Klotzbuecher, 12 Jul 2006
diff --git a/include/configs/spc1920.h b/include/configs/spc1920.h
new file mode 100644
index 0000000..9d3609a
--- /dev/null
+++ b/include/configs/spc1920.h
@@ -0,0 +1,362 @@
+/*
+ * (C) Copyright 2006
+ * Markus Klotzbuecher, DENX Software Engineering, mk@denx.de
+ *
+ * Configuation settings for the SPC1920 board.
+ *
+ * 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 __H
+#define __CONFIG_H
+
+#define CONFIG_SPC1920 1 /* SPC1920 board */
+#define CONFIG_MPC885 1 /* MPC885 CPU */
+
+#define CONFIG_8xx_CONS_SMC1 /* Console is on SMC1 */
+#undef CONFIG_8xx_CONS_SMC2
+#undef CONFIG_8xx_CONS_NONE
+
+#define CONFIG_MII
+/* #define MII_DEBUG */
+/* #define CONFIG_FEC_ENET */
+#undef CONFIG_ETHER_ON_FEC1
+#define CONFIG_ETHER_ON_FEC2
+#define FEC_ENET
+/* #define CONFIG_FEC2_PHY_NORXERR */
+/* #define CFG_DISCOVER_PHY */
+/* #define CONFIG_PHY_ADDR 0x1 */
+#define CONFIG_FEC2_PHY 1
+
+#define CONFIG_BAUDRATE 19200
+
+/* use PLD CLK4 instead of brg */
+#undef CFG_SPC1920_SMC1_CLK4
+
+#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */
+#define CONFIG_8xx_CPUCLK_DEFAULT 50000000
+#define CFG_8xx_CPUCLK_MIN 40000000
+#define CFG_8xx_CPUCLK_MAX 133000000
+
+#define CFG_RESET_ADDRESS 0xf8000000
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+
+#if 1
+#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
+#else
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+#endif
+
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_NFSBOOTCOMMAND \
+ "dhcp;" \
+ "setenv bootargs root=/dev/nfs rw nfsroot=$rootpath " \
+ "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \
+ "bootm"
+
+#define CONFIG_BOOTCOMMAND \
+ "setenv bootargs root=/dev/mtdblock2 rw mtdparts=phys:1280K(ROM)ro,-(root) "\
+ "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \
+ "bootm fe080000"
+
+#undef CONFIG_BOOTARGS
+
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+#define CONFIG_BZIP2 /* include support for bzip2 compressed images */
+
+#ifndef CONFIG_COMMANDS
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
+ | CFG_CMD_ASKENV \
+ | CFG_CMD_ECHO \
+ | CFG_CMD_IMMAP \
+ | CFG_CMD_JFFS2 \
+ | CFG_CMD_PING \
+ | CFG_CMD_DHCP \
+ | CFG_CMD_IMMAP \
+ | CFG_CMD_MII)
+ /* & ~( CFG_CMD_NET)) */
+
+
+#endif /* !CONFIG_COMMANDS */
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=>" /* Monitor Command Prompt */
+#define CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+
+#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_LOAD_ADDR 0x00100000
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+#define CFG_BAUDRATE_TABLE { 2400, 4800, 9600, 19200 }
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR 0xF0000000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR CFG_IMMR
+#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
+#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+#define CFG_MONITOR_BASE TEXT_BASE
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 KB for monitor */
+
+#ifdef CONFIG_BZIP2
+#define CFG_MALLOC_LEN (2500 << 10) /* Reserve ~2.5 MB for malloc() */
+#else
+#define CFG_MALLOC_LEN (384 << 10) /* Reserve 384 kB for malloc() */
+#endif /* CONFIG_BZIP2 */
+
+#define CFG_ALLOC_DPRAM 1 /* use allocation routines */
+
+/*
+ * Flash
+ */
+/*-----------------------------------------------------------------------
+ * Flash organisation
+ */
+#define CFG_FLASH_BASE 0xFE000000
+#define CFG_FLASH_CFI /* The flash is CFI compatible */
+#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
+#define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
+#define CFG_MAX_FLASH_SECT 128 /* Max num of sects on one chip */
+
+/* Environment is in flash */
+#define CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_SECT_SIZE 0x40000 /* We use one complete sector */
+#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+
+#define CONFIG_ENV_OVERWRITE
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
+#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
+
+/*-----------------------------------------------------------------------
+ * I2C configuration
+ */
+#if (CONFIG_COMMANDS & CFG_CMD_I2C)
+#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
+#define CFG_I2C_SPEED 400000 /* I2C speed and slave address defaults */
+#define CFG_I2C_SLAVE 0x7F
+#endif
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control 11-9
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
+ */
+#if defined(CONFIG_WATCHDOG)
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
+ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
+#else
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration 11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control 11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control 11-31
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
+ */
+#define CFG_PISCR (PISCR_PS | PISCR_PITF)
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock and reset Control Register 15-27
+ *-----------------------------------------------------------------------
+ * Set clock output, timebase and RTC source and divider,
+ * power management and some other internal clocks
+ */
+#define SCCR_MASK SCCR_EBDF11
+/* #define CFG_SCCR SCCR_TBS */
+#define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
+ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
+ SCCR_DFALCD00)
+
+/*-----------------------------------------------------------------------
+ * DER - Debug Enable Register
+ *-----------------------------------------------------------------------
+ * Set to zero to prevent the processor from entering debug mode
+ */
+#define CFG_DER 0
+
+
+/* Because of the way the 860 starts up and assigns CS0 the entire
+ * address space, we have to set the memory controller differently.
+ * Normally, you write the option register first, and then enable the
+ * chip select by writing the base register. For CS0, you must write
+ * the base register first, followed by the option register.
+ */
+
+
+/*
+ * Init Memory Controller:
+ */
+
+/* BR0 and OR0 (FLASH) */
+#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
+
+
+/* used to re-map FLASH both when starting from SRAM or FLASH:
+ * restrict access enough to keep SRAM working (if any)
+ * but not too much to meddle with FLASH accesses
+ */
+#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
+#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
+
+/*
+ * FLASH timing:
+ */
+#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
+ OR_SCY_3_CLK | OR_EHTR | OR_BI)
+
+#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
+
+
+/*
+ * SDRAM CS1 UPMB
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_SDRAM_BASE_PRELIM CFG_SDRAM_BASE
+#define SDRAM_MAX_SIZE 0x4000000 /* max 64 MB */
+
+#define CFG_PRELIM_OR1_AM 0xF0000000
+/* #define CFG_OR1_TIMING OR_CSNT_SAM/\* | OR_G5LS /\\* *\\/ *\/ */
+#define SDRAM_TIMING OR_SCY_0_CLK /* SDRAM-Timing */
+
+#define CFG_OR1_PRELIM (CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING)
+#define CFG_BR1_PRELIM ((CFG_SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V)
+
+/* #define CFG_OR1_FINAL ((CFG_OR1_AM & OR_AM_MSK) | CFG_OR1_TIMING) */
+/* #define CFG_BR1_FINAL ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) */
+
+#define CFG_PTB_PER_CLK ((4096 * 16 * 1000) / (4 * 64))
+#define CFG_PTA_PER_CLK 195
+#define CFG_MBMR_PTB 195
+#define CFG_MPTPR MPTPR_PTP_DIV16
+#define CFG_MAR 0x88
+
+#define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
+ MBMR_AMB_TYPE_0 | \
+ MBMR_G0CLB_A10 | \
+ MBMR_DSB_1_CYCL | \
+ MBMR_RLFB_1X | \
+ MBMR_WLFB_1X | \
+ MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
+
+#define CFG_MBMR_9COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
+ MBMR_AMB_TYPE_1 | \
+ MBMR_G0CLB_A10 | \
+ MBMR_DSB_1_CYCL | \
+ MBMR_RLFB_1X | \
+ MBMR_WLFB_1X | \
+ MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
+
+
+/* PLD CS5 */
+#define CFG_SPC1920_PLD_BASE 0x80000000
+#define CFG_PRELIM_OR5_AM 0xffff8000
+
+#define CFG_OR5_PRELIM (CFG_PRELIM_OR5_AM | \
+ OR_CSNT_SAM | \
+ OR_ACS_DIV1 | \
+ OR_BI | \
+ OR_SCY_0_CLK | \
+ OR_TRLX)
+
+#define CFG_BR5_PRELIM ((CFG_SPC1920_PLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
+
+/* #define CFG_PLD_BASE 0x30000000 */
+/* #define CFG_OR5_PRELIM 0xffff1110 */
+/* #define CFG_BR5_PRELIM 0x30000401 */
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+/* Machine type
+*/
+#define _MACH_8xx (_MACH_fads)
+
+#endif /* __CONFIG_H */