Add support for wrPPMC7xx/74xx boards

  Patch from Richard Danter, 12 Aug 2005

2 files changed, 441 insertions, 0 deletions

diff --git a/include/configs/ppmc7xx.h b/include/configs/ppmc7xx.h
new file mode 100644
index 0000000..ea15524
--- /dev/null
+++ b/include/configs/ppmc7xx.h
@@ -0,0 +1,419 @@
+/*
+ * ppmc7xx.h
+ * ---------
+ * 
+ * Wind River PPMC 7xx/74xx board configuration file.
+ * 
+ * By Richard Danter (richard.danter@windriver.com)
+ * Copyright (C) 2005 Wind River Systems
+ */
+
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_PPMC7XX
+
+
+/*===================================================================
+ * 
+ * User configurable settings - Modify to your preference
+ * 
+ *===================================================================
+ */
+
+/*
+ * Debug
+ * 
+ * DEBUG			- Define this is you want extra debug info
+ * GTREGREAD			- Required to build with debug
+ * do_bdinfo			- Required to build with debug
+ */
+
+#undef	DEBUG
+#define	GTREGREAD(x)			0xFFFFFFFF
+#define	do_bdinfo(a,b,c,d)
+
+
+/*
+ * CPU type
+ * 
+ * CONFIG_7xx			- We have a 750 or 755 CPU
+ * CONFIG_74xx			- We have a 7400 CPU
+ * CONFIG_ALTIVEC		- We have altivec enabled CPU (only 7400)
+ * CONFIG_BUS_CLK		- System bus clock in Hz
+ */
+
+#define	CONFIG_7xx
+#undef	CONFIG_74xx
+#undef	CONFIG_ALTIVEC
+#define CONFIG_BUS_CLK			66000000
+
+
+/*
+ * Monitor configuration
+ * 
+ * CONFIG_COMMANDS		- List of command sets to include in shell
+ * 
+ * The following command sets have been tested and known to work:
+ * 
+ * CFG_CMD_CACHE		- Cache control commands
+ * CFG_CMD_MEMORY		- Memory display, change and test commands
+ * CFG_CMD_FLASH		- Erase and program flash
+ * CFG_CMD_ENV			- Environment commands
+ * CFG_CMD_RUN			- Run commands stored in env vars
+ * CFG_CMD_ELF			- Load ELF files
+ * CFG_CMD_NET			- Networking/file download commands
+ * CFG_CMD_PING			- ICMP Echo Request command
+ * CFG_CMD_PCI			- PCI Bus scanning command
+ */
+
+#define CONFIG_COMMANDS		( (CFG_CMD_DFL & ~(CFG_CMD_KGDB)) |	\
+						   CFG_CMD_FLASH |	\
+						   CFG_CMD_ENV |	\
+						   CFG_CMD_RUN |	\
+						   CFG_CMD_ELF |	\
+						   CFG_CMD_NET |	\
+						   CFG_CMD_PING |	\
+						   CFG_CMD_PCI)
+
+
+/*
+ * Serial configuration
+ *
+ * CONFIG_CONS_INDEX		- Serial console port number (COM1)
+ * CONFIG_BAUDRATE			- Serial speed
+ */
+
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_BAUDRATE			9600
+
+
+/*
+ * PCI config
+ * 
+ * CONFIG_PCI				- Enable PCI bus
+ * CONFIG_PCI_PNP			- Enable Plug & Play support
+ * CONFIG_PCI_SCAN_SHOW		- Enable display of devices at startup
+ */
+
+#define	CONFIG_PCI
+#define	CONFIG_PCI_PNP
+#undef	CONFIG_PCI_SCAN_SHOW
+
+
+/*
+ * Network config
+ * 
+ * CONFIG_NET_MULTI			- Support for multiple network interfaces
+ * CONFIG_EEPRO100			- Intel 8255x Ethernet Controller
+ * CONFIG_EEPRO100_SROM_WRITE - Enable writing to network card ROM
+ */
+
+#define	CONFIG_NET_MULTI
+#define	CONFIG_EEPRO100
+#define	CONFIG_EEPRO100_SROM_WRITE
+
+
+/*
+ * Enable extra init functions
+ * 
+ * CONFIG_MISC_INIT_F		- Call pre-relocation init functions
+ * CONFIG_MISC_INIT_R		- Call post relocation init functions
+ */
+
+#undef	CONFIG_MISC_INIT_F
+#define CONFIG_MISC_INIT_R 
+
+
+/*
+ * Boot config
+ * 
+ * CONFIG_BOOTCOMMAND		- Command(s) to execute to auto-boot
+ * CONFIG_BOOTDELAY			- How long to wait before auto-boot (in sec)
+ */
+
+#define CONFIG_BOOTCOMMAND		\
+	"bootp;" \
+	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
+	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
+	"bootm"
+#define CONFIG_BOOTDELAY		5
+
+
+/*===================================================================
+ * 
+ * Board configuration settings - You should not need to modify these
+ * 
+ *===================================================================
+ */
+
+
+#include <cmd_confdefs.h>
+
+
+/*
+ * Memory map
+ * 
+ * This board runs in a standard CHRP (Map-B) configuration.
+ * 
+ *	Type		Start		End			Size	Width	Chip Sel
+ *	----------- ----------- ----------- ------- ------- --------
+ *	SDRAM		0x00000000	0x04000000	64MB	64b		SDRAMCS0
+ *	User LED's	0x78000000						RCS3
+ *	UART		0x7C000000						RCS2
+ *	Mailbox		0xFF000000						RCS1
+ *	Flash		0xFFC00000	0xFFFFFFFF	4MB	64b		RCS0
+ * 
+ * Flash sectors are laid out as follows.
+ * 
+ *	Sector	Start		End			Size	Comments
+ *	------- ----------- ----------- ------- -----------
+ *	 0		0xFFC00000	0xFFC3FFFF	256KB
+ *   1		0xFFC40000	0xFFC7FFFF	256KB
+ *	 2		0xFFC80000	0xFFCBFFFF	256KB
+ *	 3		0xFFCC0000	0xFFCFFFFF	256KB
+ *	 4		0xFFD00000	0xFFD3FFFF	256KB
+ *	 5		0xFFD40000	0xFFD7FFFF	256KB
+ *	 6		0xFFD80000	0xFFDBFFFF	256KB
+ *	 7		0xFFDC0000	0xFFDFFFFF	256KB
+ *   8		0xFFE00000	0xFFE3FFFF	256KB
+ *	 9		0xFFE40000	0xFFE7FFFF	256KB
+ *  10		0xFFE80000	0xFFEBFFFF	256KB
+ *  11		0xFFEC0000	0xFFEFFFFF	256KB
+ *  12		0xFFF00000	0xFFF3FFFF	256KB	U-Boot code here
+ *  13		0xFFF40000	0xFFF7FFFF	256KB
+ *  14		0xFFF80000	0xFFFBFFFF	256KB
+ *  15		0xFFFC0000	0xFFFDFFFF	128KB
+ *  16		0xFFFE0000	0xFFFE7FFF	 32KB	U-Boot env vars here
+ *  17		0xFFFE8000	0xFFFEFFFF	 32KB	U-Boot backup copy of env vars here
+ *  18		0xFFFF0000	0xFFFFFFFF	 64KB
+ */
+
+
+/*
+ * SDRAM config - see memory map details above.
+ * 
+ * CFG_SDRAM_BASE			- Start address of SDRAM, this _must_ be zero!
+ * CFG_SDRAM_SIZE			- Total size of contiguous SDRAM bank(s)
+ */
+
+#define CFG_SDRAM_BASE			0x00000000
+#define CFG_SDRAM_SIZE			0x04000000
+
+
+/* 
+ * Flash config - see memory map details above.
+ * 
+ * CFG_FLASH_BASE			- Start address of flash memory
+ * CFG_FLASH_SIZE			- Total size of contiguous flash mem
+ * CFG_FLASH_ERASE_TOUT		- Erase timeout in ms
+ * CFG_FLASH_WRITE_TOUT		- Write timeout in ms
+ * CFG_MAX_FLASH_BANKS		- Number of banks of flash on board
+ * CFG_MAX_FLASH_SECT		- Number of sectors in a bank
+ */
+
+#define CFG_FLASH_BASE			0xFFC00000
+#define CFG_FLASH_SIZE			0x00400000
+#define CFG_FLASH_ERASE_TOUT	250000
+#define CFG_FLASH_WRITE_TOUT	5000
+#define CFG_MAX_FLASH_BANKS		1
+#define CFG_MAX_FLASH_SECT		19
+
+
+/*
+ * Monitor config - see memory map details above
+ * 
+ * CFG_MONITOR_BASE			- Base address of monitor code
+ * CFG_MALLOC_LEN			- Size of malloc pool (128KB)
+ */
+
+#define CFG_MONITOR_BASE		TEXT_BASE
+#define CFG_MALLOC_LEN			0x20000
+
+
+/*
+ * Command shell settings
+ * 
+ * CFG_BARGSIZE			- Boot Argument buffer size
+ * CFG_BOOTMAPSZ		- Size of app's mapped RAM at boot (Linux=8MB)
+ * CFG_CBSIZE			- Console Buffer (input) size
+ * CFG_LOAD_ADDR		- Default load address
+ * CFG_LONGHELP			- Provide more detailed help
+ * CFG_MAXARGS			- Number of args accepted by monitor commands
+ * CFG_MEMTEST_START		- Start address of test to run on RAM
+ * CFG_MEMTEST_END		- End address of RAM test
+ * CFG_PBSIZE			- Print Buffer (output) size
+ * CFG_PROMPT			- Prompt string
+ */
+
+#define CFG_BARGSIZE			1024
+#define CFG_BOOTMAPSZ			0x800000
+#define CFG_CBSIZE			1024
+#define CFG_LOAD_ADDR			0x100000
+#define CFG_LONGHELP
+#define CFG_MAXARGS			16
+#define CFG_MEMTEST_START		0x00040000
+#define CFG_MEMTEST_END			0x00040100
+#define CFG_PBSIZE			1024
+#define CFG_PROMPT			"=> "
+
+
+/*
+ * Environment config - see memory map details above
+ * 
+ * CFG_ENV_IS_IN_FLASH		- The env variables are stored in flash
+ * CFG_ENV_ADDR			- Address of the sector containing env vars
+ * CFG_ENV_SIZE			- Ammount of RAM for env vars (used to save RAM, 4KB) 
+ * CFG_ENV_SECT_SIZE		- Size of sector containing env vars (32KB)
+ */
+
+#define CFG_ENV_IS_IN_FLASH		1
+#define CFG_ENV_ADDR			0xFFFE0000
+#define CFG_ENV_SIZE			0x1000
+#define CFG_ENV_ADDR_REDUND		0xFFFE8000
+#define CFG_ENV_SIZE_REDUND		0x1000
+#define CFG_ENV_SECT_SIZE		0x8000
+
+
+/*
+ * Initial RAM config
+ *
+ * Since the main system RAM is initialised very early, we place the INIT_RAM
+ * in the main system RAM just above the exception vectors. The contents are
+ * copied to top of RAM by the init code.
+ * 
+ * CFG_INIT_RAM_ADDR		- Address of Init RAM, above exception vect
+ * CFG_INIT_RAM_END			- Size of Init RAM
+ * CFG_GBL_DATA_SIZE		- Ammount of RAM to reserve for global data
+ * CFG_GBL_DATA_OFFSET		- Start of global data, top of stack
+ */
+
+#define CFG_INIT_RAM_ADDR		(CFG_SDRAM_BASE + 0x4000)
+#define CFG_INIT_RAM_END		0x4000
+#define CFG_GBL_DATA_SIZE		128
+#define CFG_GBL_DATA_OFFSET		(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+
+
+/*
+ * Initial BAT config
+ * 
+ * BAT0	- System SDRAM
+ * BAT1 - LED's and Serial Port
+ * BAT2 - PCI Memory
+ * BAT3 - PCI I/O including Flash Memory
+ */
+
+#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_64M | BATU_VS | BATU_VP)
+#define CFG_DBAT0L CFG_IBAT0L
+#define CFG_DBAT0U CFG_IBAT0U
+
+#define CFG_IBAT1L (0x70000000 | BATL_PP_RW | BATL_CACHEINHIBIT)
+#define CFG_IBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT1L (0x70000000 | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_DBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_IBAT2L (0x80000000 | BATL_PP_RW | BATL_CACHEINHIBIT)
+#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT2L (0x80000000 | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_DBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_IBAT3L (0xF0000000 | BATL_PP_RW | BATL_CACHEINHIBIT)
+#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT3L (0xF0000000 | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_DBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+
+/*
+ * Cache config
+ * 
+ * CFG_CACHELINE_SIZE		- Size of a cache line (CPU specific)
+ * CFG_L2					- L2 cache enabled if defined
+ * L2_INIT					- L2 cache init flags
+ * L2_ENABLE				- L2 cache enable flags
+ */
+
+#define CFG_CACHELINE_SIZE		32
+#undef	CFG_L2
+#define L2_INIT					0
+#define L2_ENABLE				0
+
+
+/*
+ * Clocks config
+ * 
+ * CFG_BUS_HZ				- Bus clock frequency in Hz
+ * CFG_BUS_CLK				- As above (?)
+ * CFG_HZ					- Decrementer freq in Hz
+ */
+
+#define CFG_BUS_HZ				CONFIG_BUS_CLK
+#define CFG_BUS_CLK				CONFIG_BUS_CLK
+#define CFG_HZ					1000
+
+
+/*
+ * Serial port config
+ * 
+ * CFG_BAUDRATE_TABLE		- List of valid baud rates
+ * CFG_NS16550				- Include the NS16550 driver
+ * CFG_NS16550_SERIAL		- Include the serial (wrapper) driver
+ * CFG_NS16550_CLK			- Frequency of reference clock
+ * CFG_NS16550_REG_SIZE		- 64-bit accesses to 8-bit port
+ * CFG_NS16550_COM1			- Base address of 1st serial port
+ */
+
+#define CFG_BAUDRATE_TABLE		{ 9600, 19200, 38400, 57600, 115200 }
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+#define CFG_NS16550_CLK			3686400
+#define CFG_NS16550_REG_SIZE	-8
+#define CFG_NS16550_COM1		0x7C000000
+
+
+/*
+ * PCI Config - Address Map B (CHRP)
+ */
+
+#define CFG_PCI_MEMORY_BUS      0x00000000
+#define CFG_PCI_MEMORY_PHYS     0x00000000
+#define CFG_PCI_MEMORY_SIZE     0x40000000
+#define CFG_PCI_MEM_BUS         0x80000000
+#define CFG_PCI_MEM_PHYS        0x80000000
+#define CFG_PCI_MEM_SIZE        0x7D000000
+#define CFG_ISA_MEM_BUS         0x00000000
+#define CFG_ISA_MEM_PHYS        0xFD000000
+#define CFG_ISA_MEM_SIZE        0x01000000
+#define CFG_PCI_IO_BUS          0x00800000
+#define CFG_PCI_IO_PHYS         0xFE800000
+#define CFG_PCI_IO_SIZE         0x00400000
+#define CFG_ISA_IO_BUS          0x00000000
+#define CFG_ISA_IO_PHYS         0xFE000000
+#define CFG_ISA_IO_SIZE         0x00800000
+#define CFG_ISA_IO_BASE_ADDRESS CFG_ISA_IO_PHYS
+#define CFG_ISA_IO              CFG_ISA_IO_PHYS
+#define CFG_60X_PCI_IO_OFFSET   CFG_ISA_IO_PHYS
+
+
+/*
+ * Extra init functions
+ * 
+ * CFG_BOARD_ASM_INIT		- Call assembly init code
+ */
+
+#define CFG_BOARD_ASM_INIT
+
+
+/*
+ * Boot flags
+ * 
+ * BOOTFLAG_COLD			- Indicates a power-on boot
+ * BOOTFLAG_WARM			- Indicates a software reset
+ */
+ 
+#define BOOTFLAG_COLD			0x01
+#define BOOTFLAG_WARM			0x02
+
+
+#endif /* __CONFIG_H */
diff --git a/include/ns16550.h b/include/ns16550.h
index d987a8b..996d915 100644
--- a/include/ns16550.h
+++ b/include/ns16550.h
@@ -7,6 +7,9 @@
  * added prototypes for ns16550.c
  * reduced no of com ports to 2
  * modifications (c) Rob Taylor, Flying Pig Systems. 2000.
+ * 
+ * added support for port on 64-bit bus
+ * by Richard Danter (richard.danter@windriver.com), (C) 2005 Wind River Systems
  */
 
 #if (CFG_NS16550_REG_SIZE == 1)
@@ -82,6 +85,25 @@ struct NS16550 {
 	int pad10:24;
 #endif
 } __attribute__ ((packed));
+#elif (CFG_NS16550_REG_SIZE == -8)
+struct NS16550 {
+	unsigned char rbr;		/* 0 */
+	unsigned char pad0[7];
+	unsigned char ier;		/* 1 */
+	unsigned char pad1[7];
+	unsigned char fcr;		/* 2 */
+	unsigned char pad2[7];
+	unsigned char lcr;		/* 3 */
+	unsigned char pad3[7];
+	unsigned char mcr;		/* 4 */
+	unsigned char pad4[7];
+	unsigned char lsr;		/* 5 */
+	unsigned char pad5[7];
+	unsigned char msr;		/* 6 */
+	unsigned char pad6[7];
+	unsigned char scr;		/* 7 */
+	unsigned char pad7[7];
+} __attribute__ ((packed));
 #else
 #error "Please define NS16550 registers size."
 #endif