platform.h

RMI的处理器au1200系列所用的BOOTLOAD,包括SD卡启动USB启动硬盘启动网络启动,并初始化硬件的所有参数,支持内核调试.

#ifndef PB1500
#define PB1500
#endif
#define AU1500

/*
 * Frequency info
 */
#define CPU_FREQUENCY	(12000000 * 33)
#define CPU_SD			2

/*
 * GPIO6 is Pushbutton S8 on the Pb1000
 */
#define PLATFORM_PUSHBUTTON "GPIO6/SW8"
#define PLATFORM_PUSHBUTTON_IRQ AU1000_IRQ_GPIO6
#define PLATFORM_PUSHBUTTON_IRQ_POLARITY INT_RISING_EDGE

/*
 * Overlay data structure of the Pb1500 board registers.
 * Registers located at physical 0E0000xx, KSEG1 0xAE0000xx
 */
#define BCSR_PHYS_ADDR 0x0E000000
#ifndef ASSEMBLER
typedef volatile struct {
    /*00 */ uint32 whoami;
    /*04 */ uint32 board_status;
    /*08 */ uint32 switches;
    /*0C */ uint32 rs232_resets;
    /*10 */ uint32 pcmcia_control;
    /*14 */ uint32 graphics;
    /*18 */ uint32 leds;
    /*1C */ uint32 swrst_vddi;

} BCSR;
static BCSR *bcsr = (BCSR *) KSEG1(BCSR_PHYS_ADDR);
#endif

/*
 * Register bit definitions for the BCSRs
 */
#define BCSR_WHOAMI_DCID	0x000F
#define BCSR_WHOAMI_CPLD	0x00F0
#define BCSR_WHOAMI_BOARD	0x0F00

#define BCSR_STATUS_RS232RI		0x0001
#define BCSR_STATUS_RS232DSR	0x0002
#define BCSR_STATUS_RS232CTS	0x0004
#define BCSR_STATUS_RS232CD		0x0008
#define BCSR_STATUS_PCMCIAVS	0x0030
#define BCSR_STATUS_PCIM66EN	0x0040
#define BCSR_STATUS_SRAMSIZE	0x0080
#define BCSR_STATUS_FLASHLSTS	0x0100
#define BCSR_STATUS_FLASHHSTS	0x0200
#define BCSR_STATUS_ROMLSTS		0x0400
#define BCSR_STATUS_ROMHSTS		0x0800
#define BCSR_STATUS_FLASHWP		0x1000
#define BCSR_STATUS_SWAPBOOT	0x2000
#define BCSR_STATUS_ROMSIZ		0x4000
#define BCSR_STATUS_ROMSEL		0x8000

#define BCSR_SWITCHES_OCTAL		0x00FF
#define BCSR_SWITCHES_ROTARY	0x0F00

#define BCSR_RS232RESET_PHY0	0x0001
#define BCSR_RS232RESET_PHY1	0x0002
#define BCSR_RS232RESET_DC		0x0004
#define BCSR_RS232RESET_RS232RTS	0x0100
#define BCSR_RS232RESET_RS232DTR	0x0200

#define BCSR_PCIPCMCIA_PCVPP	0x0003
#define BCSR_PCMCIA_PC0VPP		BCSR_PCIPCMCIA_PCVPP
#define BCSR_PCMCIA_PC1VPP		BCSR_PCIPCMCIA_PCVPP
#define BCSR_PCIPCMCIA_PCVCC	0x000C
#define BCSR_PCMCIA_PC0VCC		BCSR_PCIPCMCIA_PCVCC
#define BCSR_PCMCIA_PC1VCC		BCSR_PCIPCMCIA_PCVCC
#define BCSR_PCIPCMCIA_PCDRVEN	0x0010
#define BCSR_PCMCIA_PC0DRVEN	BCSR_PCIPCMCIA_PCDRVEN
#define BCSR_PCMCIA_PC1DRVEN	BCSR_PCIPCMCIA_PCDRVEN
#define BCSR_PCIPCMCIA_PCRST	0x0080
#define BCSR_PCMCIA_PC0RST		BCSR_PCIPCMCIA_PCRST
#define BCSR_PCMCIA_PC1RST		BCSR_PCIPCMCIA_PCRST
#define BCSR_PCIPCMCIA_PCIM33	0x0100
#define BCSR_PCIPCMCIA_EXTARB	0x0200
#define BCSR_PCIPCMCIA_GPIO200	0x0400
#define BCSR_PCIPCMCIA_CLKOUT	0x0800
#define BCSR_PCIPCMCIA_PCICFG	0x1000
#define BCSR_PCMCIA_PC0VPP_N(N)	(BCSR_PCMCIA_PC0VPP & (N<<0))
#define BCSR_PCMCIA_PC0VCC_N(N)	(BCSR_PCMCIA_PC0VCC & (N<<2))
#define BCSR_PCMCIA_PC1VPP_N(N)	(BCSR_PCMCIA_PC1VPP & (N<<8))
#define BCSR_PCMCIA_PC1VCC_N(N)	(BCSR_PCMCIA_PC1VCC & (N<<10))

#define BCSR_GRAPHICS_LCDVEE	0x0001
#define BCSR_GRAPHICS_LCDVDD	0x0002
#define BCSR_GRAPHICS_LCDBL		0x0004
#define BCSR_GRAPHICS_PASS		0x0010
#define BCSR_GRAPHICS_SEDBE		0x0020
#define BCSR_GRAPHICS_RESET		0x0080

#define BCSR_LEDS_DECIMALS		0x00FF
#define BCSR_LEDS_LED0			0x0100
#define BCSR_LEDS_LED1			0x0200
#define BCSR_LEDS_LED2			0x0400
#define BCSR_LEDS_LED3			0x0800

#define BCSR_SWRSTVDDI_VDDI		0x001F
#define BCSR_SWRSTVDDI_RESET	0x0080

#define PCMCIA_PC_INSERT_IRQ	201
#define PCMCIA_PC0_INSERT_IRQ	PCMCIA_PC_INSERT_IRQ
#define PCMCIA_PC1_INSERT_IRQ	PCMCIA_PC_INSERT_IRQ
#define PCMCIA_PC_STAT_CHG_IRQ	202
#define PCMCIA_PC0_STAT_CHG_IRQ	PCMCIA_PC_STAT_CHG_IRQ
#define PCMCIA_PC1_STAT_CHG_IRQ	PCMCIA_PC_STAT_CHG_IRQ
#define PCMCIA_PC_IRQ			203
#define PCMCIA_PC0_IRQ			PCMCIA_PC_IRQ
#define PCMCIA_PC1_IRQ			PCMCIA_PC_IRQ
#define PCMCIA_PC_VS(X)			((X&BCSR_STATUS_PCMCIAVS)>>4)
#define PCMCIA_PC0_VS(X)		PCMCIA_PC_VS(X)
#define PCMCIA_PC1_VS(X)		PCMCIA_PC_VS(X)
#define PCMCIA_CARD_COUNT		1


#define FLASH_STRATA
#define FLASH_START_PHYS_ADDRESS	0x1E000000
#define FLASH_END_PHYS_ADDRESS		0x1FFFFFFF
#define FLASH_BLOCK_SIZE			0x00040000