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u-boot/include/configs/km8xx.h
Heiko Schocher 1b6275dfb1 8xx: add support for new keymile kmsupx4 board. 
This patch adds support for the kmsupx4 board from Keymile,
based on a Freescale MPC852T CPU

- serial console on SMC1
- 32 MB SDRAM
- 32 MB NOR Flash
- Ethernet over SCC3
- I2C Bitbang

Signed-off-by: Heiko Schocher <hs@denx.de>
2009-03-18 20:50:05 +01:00

344 lines
11 KiB
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/*
* (C) Copyright 2009
* 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
*/
/*
* configuration options, keymile 8xx board specific
*/
#ifndef __CONFIG_KM8XX_H
#define __CONFIG_KM8XX_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_KM8XX 1 /* on a km8xx board */
/* include common defines/options for all Keymile boards */
#include "keymile-common.h"
#if defined(CONFIG_KMSUPX4)
#undef CONFIG_I2C_MUX /* no I2C mux on this board */
#endif
#define CONFIG_8xx_GCLK_FREQ 66000000
#define CONFIG_SYS_SMC_UCODE_PATCH 1 /* Relocate SMC1 */
#define CONFIG_SYS_SMC_DPMEM_OFFSET 0x1fc0
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
#define CONFIG_SYS_SMC_RXBUFLEN 128
#define CONFIG_SYS_MAXIDLE 10
#define CONFIG_SYS_CPM_BOOTCOUNT_ADDR 0x1eb0 /* In case of SMC relocation,
* the default value is not
* working
*/
#define BOOTFLASH_START F0000000
#define CONFIG_PRAM 512 /* protected RAM [KBytes] */
#define CONFIG_PREBOOT "echo;" \
"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
"echo"
#define BOOTFLASH_START F0000000
#define CONFIG_PRAM 512 /* protected RAM [KBytes] */
#if defined(CONFIG_MGSUVD)
#define CONFIG_ENV_IVM "EEprom_ivm=pca9544a:70:4 \0"
#else
#define CONFIG_ENV_IVM ""
#endif
#define MTDIDS_DEFAULT "nor0=app"
#define MTDPARTS_DEFAULT \
"mtdparts=app:384k(u-boot),128k(env),128k(envred),128k(free)," \
"1536k(esw0),8704k(rootfs0),1536k(esw1),2432k(rootfs1),640k(var)," \
"768k(cfg)"
#define CONFIG_EXTRA_ENV_SETTINGS \
CONFIG_KM_DEF_ENV \
"rootpath=/opt/eldk/ppc_8xx\0" \
"addcon=setenv bootargs ${bootargs} " \
"console=ttyCPM0,${baudrate}\0" \
"mtdids=nor0=app \0" \
"mtdparts=" MK_STR(MTDPARTS_DEFAULT) "\0" \
"partition=nor0,9 \0" \
"new_env=prot off F0060000 F009FFFF; era F0060000 F009FFFF \0" \
CONFIG_ENV_IVM \
""
#undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */
#define CONFIG_TIMESTAMP /* but print image timestmps */
/*
* 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 CONFIG_SYS_IMMR 0xFFF00000
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
#define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
#define CONFIG_SYS_GBL_DATA_SIZE 64
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
*/
#define CONFIG_SYS_SDRAM_BASE 0x00000000
#define CONFIG_SYS_FLASH_BASE 0xf0000000
#define CONFIG_SYS_MONITOR_LEN (384 << 10) /* 384 kB for Monitor */
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* 256 kB for malloc() */
/*
* 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 CONFIG_SYS_BOOTMAPSZ (8 << 20)
/*-----------------------------------------------------------------------
* FLASH organization
*/
/* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_BANKS 1
#define CONFIG_SYS_FLASH_SIZE 32
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_FLASH_CFI_DRIVER
/* max num of sects on one chip */
#define CONFIG_SYS_MAX_FLASH_SECT 256
#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* (in ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* (in ms) */
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN
#define CONFIG_ENV_SIZE 0x04000 /* Total Size of Environment Sector */
#define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
/* 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)
#define CONFIG_ENV_BUFFER_PRINT 1
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
#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
*/
#define CONFIG_SYS_SYPCR 0xffffff89
/*-----------------------------------------------------------------------
* SIUMCR - SIU Module Configuration 11-6
*-----------------------------------------------------------------------
*/
#if defined(CONFIG_MGSUVD)
#define CONFIG_SYS_SIUMCR 0x00610480
#else
#define CONFIG_SYS_SIUMCR 0x00610400
#endif
/*-----------------------------------------------------------------------
* TBSCR - Time Base Status and Control 11-26
*-----------------------------------------------------------------------
* Clear Reference Interrupt Status, Timebase freezing enabled
*/
#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
/*-----------------------------------------------------------------------
* PISCR - Periodic Interrupt Status and Control 11-31
*-----------------------------------------------------------------------
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
*/
#define CONFIG_SYS_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
*/
#if defined(CONFIG_MGSUVD)
#define SCCR_MASK 0x01800000
#else
#define SCCR_MASK 0x00000000
#endif
#define CONFIG_SYS_SCCR 0x01800000
#define CONFIG_SYS_DER 0
/*
* Init Memory Controller:
*
* BR0/1 and OR0/1 (FLASH)
*/
#define FLASH_BASE0_PRELIM 0xf0000000 /* 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 CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
/*
* FLASH timing: Default value of OR0 after reset
*/
#define CONFIG_SYS_OR0_PRELIM 0xfe000954
#define CONFIG_SYS_BR0_PRELIM 0xf0000401
/*
* BR1 and OR1 (SDRAM)
*
*/
#define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
#define SDRAM_MAX_SIZE (64 << 20) /* max 64 MB per bank */
/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
#define CONFIG_SYS_OR1_PRELIM 0xfc000800
#define CONFIG_SYS_BR1_PRELIM (0x000000C0 | 0x01)
#define CONFIG_SYS_MPTPR 0x0200
/* PTB=16, AMB=001, FIXME 1 RAS precharge cycles, 1 READ loop cycle (not used),
1 Write loop Cycle (not used), 1 Timer Loop Cycle */
#if defined(CONFIG_MGSUVD)
#define CONFIG_SYS_MBMR 0x10964111
#else
#define CONFIG_SYS_MBMR 0x20964111
#endif
#define CONFIG_SYS_MAR 0x00000088
/*
* 4096 Rows from SDRAM example configuration
* 1000 factor s -> ms
* 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
* 4 Number of refresh cycles per period
* 64 Refresh cycle in ms per number of rows
*/
#define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
/* GPIO/PIGGY on CS3 initialization values
*/
#define CONFIG_SYS_PIGGY_BASE (0x30000000)
#if defined(CONFIG_MGSUVD)
#define CONFIG_SYS_OR3_PRELIM (0xfe000d24)
#define CONFIG_SYS_BR3_PRELIM (0x30000401)
#else
#define CONFIG_SYS_OR3_PRELIM (0xf8000d26)
#define CONFIG_SYS_BR3_PRELIM (0x30000401)
#endif
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#define CONFIG_SCC3_ENET
#define CONFIG_ETHPRIME "SCC ETHERNET"
#define CONFIG_HAS_ETH0
/* pass open firmware flat tree */
#define CONFIG_OF_LIBFDT 1
#define CONFIG_OF_BOARD_SETUP 1
#define OF_STDOUT_PATH "/soc/cpm/serial@a80"
/* enable I2C and select the hardware/software driver */
#undef CONFIG_HARD_I2C /* I2C with hardware support */
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
/* I2C speed and slave address */
#define CONFIG_SYS_I2C_SPEED 50000
#define CONFIG_SYS_I2C_SLAVE 0x7F
#define I2C_SOFT_DECLARATIONS
/*
* Software (bit-bang) I2C driver configuration
*/
#define I2C_BASE_DIR ((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04))
#define I2C_BASE_PORT ((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09))
#define SDA_BIT 0x40
#define SCL_BIT 0x80
#define SDA_CONF 0x1000
#define SCL_CONF 0x2000
#define I2C_ACTIVE do {} while (0)
#define I2C_TRISTATE do {} while (0)
#define I2C_READ ((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT)
#define I2C_SDA(bit) if(bit) { \
clrbits(be16, I2C_BASE_DIR, SDA_CONF); \
} else { \
clrbits(8, I2C_BASE_PORT, SDA_BIT); \
setbits(be16, I2C_BASE_DIR, SDA_CONF); \
}
#define I2C_SCL(bit) if(bit) { \
clrbits(be16, I2C_BASE_DIR, SCL_CONF); \
} else { \
clrbits(8, I2C_BASE_PORT, SCL_BIT); \
setbits(be16, I2C_BASE_DIR, SCL_CONF); \
}
#define I2C_DELAY udelay(50) /* 1/4 I2C clock duration */
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
/* I2C SYSMON (LM75, AD7414 is almost compatible) */
#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
#if defined(CONFIG_MGSUVD)
#define CONFIG_DTT_SENSORS {0, 2, 4, 6} /* Sensor addresses */
#else
#define CONFIG_DTT_SENSORS {0} /* Sensor addresses */
#endif
#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)
#endif /* __CONFIG_KM8XX_H */
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