ColdFire: Add MCF5227x cpu and M52277EVB platform support-1

ColdFire: Add MCF5227x cpu and M52277EVB platform support-1

---
 MAINTAINERS                           |    1 +
 MAKEALL                               |    1 +
 Makefile                              |    3 +
 README                                |    1 +
 board/freescale/m52277evb/Makefile    |   44 ++++++
 board/freescale/m52277evb/config.mk   |   25 ++++
 board/freescale/m52277evb/m52277evb.c |   86 +++++++++++
 board/freescale/m52277evb/u-boot.lds  |  145 +++++++++++++++++++
 doc/README.m52277evb                  |  237 ++++++++++++++++++++++++++
+++++
 include/asm-m68k/global_data.h        |    3 +
 include/asm-m68k/immap.h              |   34 +++++
 include/configs/M52277EVB.h           |  251 ++++++++++++++++++++++++++
+++++++
 lib_m68k/board.c                      |   10 ++
 13 files changed, 841 insertions(+), 0 deletions(-)
 create mode 100644 board/freescale/m52277evb/Makefile
 create mode 100644 board/freescale/m52277evb/config.mk
 create mode 100644 board/freescale/m52277evb/m52277evb.c
 create mode 100644 board/freescale/m52277evb/u-boot.lds
 create mode 100644 doc/README.m52277evb
 create mode 100644 include/configs/M52277EVB.h

index 02698c8..477da87 100644
@@ -627,6 +627,7 @@ Zachary P. Landau

<[email protected]>

TsiChung Liew <[email protected]>

+ M52277EVB mcf5227x
M5235EVB mcf52x2
M5329EVB mcf532x
M5373EVB mcf532x

index 1f59532..37e1104 100755
@@ -635,6 +635,7 @@ LIST_coldfire="			\
 	EB+MCF-EV123		\
 	EB+MCF-EV123_internal	\
 	idmr			\
+	M52277EVB		\
 	M5235EVB		\
 	M5249EVB		\
 	M5253EVB		\

index f541392..023ae52 100644
@@ -1721,6 +1721,9 @@ ZPC1900_config: unconfig
 ## Coldfire
 

#########################################################################

+M52277EVB_config: unconfig
+ @$(MKCONFIG) -a M52277EVB m68k mcf5227x m52277evb freescale
+
M5235EVB_config \
M5235EVB_Flash16_config \
M5235EVB_Flash32_config: unconfig

index 57fc01a..4962c7a 100644
@@ -136,6 +136,7 @@ Directory Hierarchy:
   - i386	Files specific to i386 CPUs
   - ixp		Files specific to Intel XScale IXP CPUs
   - mcf52x2	Files specific to Freescale ColdFire MCF52x2 CPUs
+  - mcf5227x	Files specific to Freescale ColdFire MCF5227x CPUs
   - mcf532x	Files specific to Freescale ColdFire MCF5329 CPUs
   - mcf5445x	Files specific to Freescale ColdFire MCF5445x CPUs
   - mips	Files specific to MIPS CPUs

b/board/freescale/m52277evb/Makefile
new file mode 100644
index 0000000..981763d

b/board/freescale/m52277evb/config.mk
new file mode 100644
index 0000000..ce014ed

@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+# Coldfire contribution by Bernhard Kuhn <[email protected]>
+#
+# 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
+#
+
+TEXT_BASE = 0

b/board/freescale/m52277evb/m52277evb.c
new file mode 100644
index 0000000..98424c8

b/board/freescale/m52277evb/u-boot.lds
new file mode 100644
index 0000000..9125bfc

new file mode 100644
index 0000000..de1daba
@@ -0,0 +1,237 @@
+Freescale MCF52277EVB ColdFire Development Board
+================================================
+
+TsiChung Liew(Tsi-Chung.Liew at freescale.com)
+Created Jan 8, 2008
+===========================================
+
+
+Changed files:
+==============
+
+- board/freescale/m52277evb/m52277evb.c	Dram setup
+- board/freescale/m52277evb/Makefile	Makefile
+- board/freescale/m52277evb/config.mk	config make
+- board/freescale/m52277evb/u-boot.lds	Linker description
+
+- cpu/mcf5227x/cpu.c		cpu specific code
+- cpu/mcf5227x/cpu_init.c	FBCS, Mux pins, icache and RTC extra regs
+- cpu/mcf5227x/interrupts.c	cpu specific interrupt support
+- cpu/mcf5227x/speed.c		system, flexbus, and cpu clock
+- cpu/mcf5227x/Makefile		Makefile
+- cpu/mcf5227x/config.mk	config make
+- cpu/mcf5227x/start.S		start up assembly code
+
+- doc/README.m52277evb		This readme file
+
+- drivers/serial/mcfuart.c	ColdFire common UART driver
+- drivers/rtc/mcfrtc.c		Realtime clock Driver
+
+- include/asm-m68k/bitops.h		Bit operation function export
+- include/asm-m68k/byteorder.h		Byte order functions
+- include/asm-m68k/crossbar.h		CrossBar structure and definition
+- include/asm-m68k/dspi.h		DSPI structure and definition
+- include/asm-m68k/edma.h		eDMA structure and definition
+- include/asm-m68k/flexbus.h		FlexBus structure and definition
+- include/asm-m68k/fsl_i2c.h		I2C structure and definition
+- include/asm-m68k/global_data.h	Global data structure
+- include/asm-m68k/immap.h		ColdFire specific header file and driver

macros

+- include/asm-m68k/immap_5227x.h	mcf5227x specific header file
+- include/asm-m68k/io.h			io functions
+- include/asm-m68k/lcd.h		LCD structure and definition
+- include/asm-m68k/m5227x.h		mcf5227x specific header file
+- include/asm-m68k/posix_types.h	Posix
+- include/asm-m68k/processor.h		header file
+- include/asm-m68k/ptrace.h		Exception structure
+- include/asm-m68k/rtc.h		Realtime clock header file
+- include/asm-m68k/ssi.h		SSI structure and definition
+- include/asm-m68k/string.h		String function export
+- include/asm-m68k/timer.h		Timer structure and definition
+- include/asm-m68k/types.h		Data types definition
+- include/asm-m68k/uart.h		Uart structure and definition
+- include/asm-m68k/u-boot.h		u-boot structure
+
+- include/configs/M52277EVB.h		Board specific configuration file
+
+- lib_m68k/board.c			board init function
+- lib_m68k/cache.c
+- lib_m68k/interrupts			Coldfire common interrupt functions
+- lib_m68k/m68k_linux.c
+- lib_m68k/time.c			Timer functions (Dma timer and PIT)
+- lib_m68k/traps.c			Exception init code

+
+1 MCF52277 specific Options/Settings
+====================================
+1.1 pre-loader is no longer suppoer in this coldfire family +
+1.2 Configuration settings for M52277EVB Development Board
+CONFIG_MCF5227x -- define for all MCF5227x CPUs
+CONFIG_M52277 -- define for all Freescale MCF52277 CPUs
+CONFIG_M52277EVB -- define for M52277EVB board
+
+CONFIG_MCFUART -- define to use common CF Uart driver
+CFG_UART_PORT -- define UART port number, start with 0, 1 and 2
+CONFIG_BAUDRATE -- define UART baudrate
+
+CONFIG_MCFRTC -- define to use common CF RTC driver
+CFG_MCFRTC_BASE -- provide base address for RTC in immap.h
+CFG_RTC_OSCILLATOR -- define RTC clock frequency
+RTC_DEBUG -- define to show RTC debug message
+CONFIG_CMD_DATE -- enable to use date feature in u-boot
+
+CONFIG_MCFTMR -- define to use DMA timer
+CONFIG_MCFPIT -- define to use PIT timer
+
+CONFIG_FSL_I2C -- define to use FSL common I2C driver
+CONFIG_HARD_I2C -- define for I2C hardware support
+CONFIG_SOFT_I2C -- define for I2C bit-banged
+CFG_I2C_SPEED -- define for I2C speed
+CFG_I2C_SLAVE -- define for I2C slave address
+CFG_I2C_OFFSET -- define for I2C base address offset
+CFG_IMMR -- define for MBAR offset
+
+CFG_MBAR -- define MBAR offset
+
+CONFIG_MONITOR_IS_IN_RAM -- Not support
+
+CFG_INIT_RAM_ADDR -- defines the base address of the MCF52277 internal
SRAM
+
+CFG_CSn_BASE -- defines the Chip Select Base register
+CFG_CSn_MASK -- defines the Chip Select Mask register
+CFG_CSn_CTRL -- defines the Chip Select Control register
+
+CFG_SDRAM_BASE -- defines the DRAM Base
+
+CONFIG_LCD and CONFIG_CMD_USB are not supported in this current u-boot, +update will be provided at later time
+
+2. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL
+===========================================
+2.1. System memory map:
+ Flash: 0x00000000-0x3FFFFFFF (1024MB)
+ DDR: 0x40000000-0x7FFFFFFF (1024MB)
+ SRAM: 0x80000000-0x8FFFFFFF (256MB)
+ IP: 0xF0000000-0xFFFFFFFF (256MB)
+
+2.2. For the initial bringup, we adopted a consistent memory scheme between u-boot and
+ linux kernel, you can customize it based on your system requirements:
+ Flash0: 0x00000000-0x00FFFFFF (16MB)
+
+ DDR: 0x40000000-0x4FFFFFFF (64MB)
+ SRAM: 0x80000000-0x80007FFF (32KB)
+ IP: 0xFC000000-0xFC0FFFFF (64KB)
+
+3. COMPILATION
+==============
+3.1 To create U-Boot the gcc-4.1-xx compiler set (ColdFire ELF or
+uClinux version) from codesourcery.com was used. Download it from:
+http://www.codesourcery.com/gnu_toolchains/coldfire/download.html +
+3.2 Compilation

+   export CROSS_COMPILE=cross-compile-prefix
+   cd u-boot-1.x.x
+   make distclean
+   make M52277EVB_config
+   make

+
+4. SCREEN DUMP
+==============
+4.1 M52277EVB Development board
+ (NOTE: May not show exactly the same)
+
+U-Boot 1.3.1 (Jan 8 2008 - 12:44:08)
+

+CPU:   Freescale MCF52277 (Mask:6c Version:0)
+       CPU CLK 160 Mhz BUS CLK 80 Mhz FLB CLK 80 MHZ
+       INP CLK 16 Mhz VCO CLK 480 Mhz

+Board: Freescale 52277 EVB
+I2C: ready
+DRAM: 64 MB
+FLASH: 16 MB

+In:    serial
+Out:   serial
+Err:   serial

+-> print
+baudrate=115200
+hostname=M52277EVB
+inpclk=16000000
+loadaddr=(0x40000000 + 0x10000)
+load=tftp ${loadaddr) ${u-boot}
+upd=run load; run prog
+prog=prot off 0 3ffff;era 0 3ffff;cp.b ${loadaddr} 0 ${filesize};save +u-boot=u-boot.bin
+stdin=serial
+stdout=serial
+stderr=serial
+mem=65024k
+
+Environment size: 280/32764 bytes

+-> bdinfo
+memstart    = 0x40000000
+memsize     = 0x04000000
+flashstart  = 0x00000000
+flashsize   = 0x01000000
+flashoffset = 0x00000000
+sramstart   = 0x80000000
+sramsize    = 0x00008000
+mbar        = 0xFC000000
+busfreq     =     80 MHz
+flbfreq     =     80 Mhz
+inpfreq     =     16 Mhz
+vcofreq     =    480 Mhz
+
+baudrate    = 115200 bps
+->
+-> help
+?       - alias for 'help'
+autoscr - run script from memory
+base    - print or set address offset
+bdinfo  - print Board Info structure
+boot    - boot default, i.e., run 'bootcmd'
+bootd   - boot default, i.e., run 'bootcmd'

+bootelf - Boot from an ELF image in memory
+bootm - boot application image from memory
+bootp - boot image via network using BootP/TFTP protocol
+bootvx - Boot vxWorks from an ELF image
+cmp - memory compare
+coninfo - print console devices and information

+cp      - memory copy
+crc32   - checksum calculation
+date    - get/set/reset date & time
+dcache  - enable or disable data cache
+echo    - echo args to console
+erase   - erase FLASH memory
+flinfo  - print FLASH memory information
+go      - start application at address 'addr'
+help    - print online help
+icache  - enable or disable instruction cache
+icrc32  - checksum calculation
+iloop   - infinite loop on address range
+imd     - i2c memory display
+iminfo  - print header information for application image
+imls    - list all images found in flash
+imm     - i2c memory modify (auto-incrementing)
+imw     - memory write (fill)
+inm     - memory modify (constant address)
+iprobe  - probe to discover valid I2C chip addresses
+itest	- return true/false on integer compare
+loadb   - load binary file over serial line (kermit mode)
+loads   - load S-Record file over serial line
+loady   - load binary file over serial line (ymodem mode)
+loop    - infinite loop on address range
+ls	- list files in a directory (default /)
+md      - memory display
+mm      - memory modify (auto-incrementing)
+mtest   - simple RAM test
+mw      - memory write (fill)
+nm      - memory modify (constant address)

+ping - send ICMP ECHO_REQUEST to network host
+printenv- print environment variables
+protect - enable or disable FLASH write protection
+reset - Perform RESET of the CPU
+run - run commands in an environment variable
+saveenv - save environment variables to persistent storage +setenv - set environment variables
+sleep - delay execution for some time
+version - print monitor version
+->

m68k/global_data.h
index 9d9894b..1e26eb0 100644

@@ -53,6 +53,9 @@ typedef	struct	global_data {
 	unsigned long	env_addr;	/* Address  of Environment struct	*/
 	unsigned long	env_valid;	/* Checksum of Environment valid?	*/
 	unsigned long	have_console;	/* serial_init() was called		*/
+#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
+	unsigned long	fb_base;	/* Base addr of framebuffer memory */
+#endif
 #ifdef CONFIG_BOARD_TYPES
 	unsigned long	board_type;
 #endif

index 852d941..9dd9707 100644
@@ -26,6 +26,40 @@
 #ifndef __IMMAP_H
 #define __IMMAP_H
 
+#ifdef CONFIG_M52277
+#include <asm/immap_5227x.h>
+#include <asm/m5227x.h>
+
+#define CFG_UART_BASE		(MMAP_UART0 + (CFG_UART_PORT * 0x4000))
+
+#define CFG_MCFRTC_BASE		(MMAP_RTC)
+
+#ifdef CONFIG_LCD
+#define	CFG_LCD_BASE		(MMAP_LCD)
+#endif
+
+/* Timer */
+#ifdef CONFIG_MCFTMR
+#define CFG_UDELAY_BASE		(MMAP_DTMR0)
+#define CFG_TMR_BASE		(MMAP_DTMR1)
+#define CFG_TMRPND_REG		(((volatile int0_t *)(CFG_INTR_BASE))->iprh0)
+#define CFG_TMRINTR_NO		(INT0_HI_DTMR1)
+#define CFG_TMRINTR_MASK	(INTC_IPRH_INT33)
+#define CFG_TMRINTR_PEND	(CFG_TMRINTR_MASK)
+#define CFG_TMRINTR_PRI		(6)
+#define CFG_TIMER_PRESCALER	(((gd->bus_clk / 1000000) - 1) << 8)
+#endif
+
+#ifdef CONFIG_MCFPIT
+#define CFG_UDELAY_BASE		(MMAP_PIT0)
+#define CFG_PIT_BASE		(MMAP_PIT1)
+#define CFG_PIT_PRESCALE	(6)
+#endif
+
+#define CFG_INTR_BASE		(MMAP_INTC0)
+#define CFG_NUM_IRQS		(128)
+#endif				/* CONFIG_M52277 */
+
 #ifdef CONFIG_M5235
 #include <asm/immap_5235.h>
 #include <asm/m5235.h>

Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_LOAD_ADDR (CFG_SDRAM_BASE + 0x10000)
+
+#define CFG_HZ 1000
+
+#define CFG_MBAR 0xFC000000
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+ +/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR 0x80000000
+#define CFG_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */
+#define CFG_INIT_RAM_CTRL 0x21
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial
data */
+#define CFG_GBL_DATA_OFFSET ((CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) -
16)
+#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_SDRAM_BASE 0x40000000
+#define CFG_SDRAM_SIZE 64 /* SDRAM size in MB */
+#define CFG_SDRAM_CFG1 0x43711630
+#define CFG_SDRAM_CFG2 0x56670000
+#define CFG_SDRAM_CTRL 0xE1092000
+#define CFG_SDRAM_EMOD 0x81810000
+#define CFG_SDRAM_MODE 0x00CD0000
+
+#define CFG_MEMTEST_START CFG_SDRAM_BASE + 0x400
+#define CFG_MEMTEST_END ((CFG_SDRAM_SIZE - 3) << 20)
+
+#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
+#define CFG_BOOTPARAMS_LEN 64*1024
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+
+/* Initial Memory map for Linux */
+#define CFG_BOOTMAPSZ (CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20))
+
+/* Configuration for environment
+ * Environment is embedded in u-boot in the second sector of the flash
+ */
+#define CFG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_OVERWRITE 1
+#undef CFG_ENV_IS_EMBEDDED
+ +/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_FLASH_BASE CFG_CS0_BASE
+#define CFG_FLASH0_BASE CFG_CS0_BASE
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x8000)
+#define CFG_ENV_SECT_SIZE 0x8000
+
+#define CFG_FLASH_CFI
+#ifdef CFG_FLASH_CFI
+
+# define CFG_FLASH_CFI_DRIVER 1
+# define CFG_FLASH_SIZE 0x1000000 /* Max size that the board might
have */
+# define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT
+# define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+# define CFG_MAX_FLASH_SECT 137 /* max number of sectors on one chip */
+# define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection
*/
+# define CFG_FLASH_CHECKSUM
+#endif
+
+/*
+ * This is setting for JFFS2 support in u-boot.
+ * NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support.
+ */
+#ifdef CONFIG_CMD_JFFS2
+# define CONFIG_JFFS2_DEV "nor0"
+# define CONFIG_JFFS2_PART_SIZE (0x01000000 - 0x40000)
+# define CONFIG_JFFS2_PART_OFFSET (CFG_FLASH0_BASE + 0x40000)
+#endif
+ +/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE 16
+ +/*-----------------------------------------------------------------------
+ * Memory bank definitions
+ */
+/*
+ * CS0 - NOR Flash
+ * CS1 - Available
+ * CS2 - Available
+ * CS3 - Available
+ * CS4 - Available
+ * CS5 - Available
+ */
+
+#define CFG_CS0_BASE 0x00000000
+#define CFG_CS0_MASK 0x00FF0001
+#define CFG_CS0_CTRL 0x00001FA0
+
+#endif /* _M52277EVB_H */

index 43f97c4..9159206 100644
@@ -313,6 +313,16 @@ board_init_f (ulong bootflag)
 	debug ("Reserving %ldk for protected RAM@%08lx\n", reg, addr);
 #endif /* CONFIG_PRAM */
 
+	/* round down to next 4 kB limit */
+	addr &= ~(4096 - 1);
+	debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
+
+#ifdef CONFIG_LCD
+	/* reserve memory for LCD display (always full pages) */
+	addr = lcd_setmem (addr);
+	gd->fb_base = addr;
+#endif /* CONFIG_LCD */
+
 	/*
 	 * reserve memory for U-Boot code, data & bss
 	 * round down to next 4 kB limit

1.5.2