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 DB1100
#define DB1100
#endif
#define AU1100

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

/*
 * Overlay data structure of the Db1100 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 resets;
    /*10 */ uint32 pcmcia_control;
    /*14 */ uint32 board_specific;
    /*18 */ uint32 disc_leds;
    /*1C */ uint32 sw_reset;

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

/*
 * Register bit definitions for the BCSRs
 */
#define BCSR_BSPEC_SD1WP		(1<<15)
#define BCSR_BSPEC_SD0WP		(1<<14)
#define BCSR_BSPEC_SD1_PWR		(1<<7)
#define BCSR_BSPEC_SD0_PWR		(1<<6)

#define BCSR_WHOAMI_DCID	0x000F
#define BCSR_WHOAMI_CPLD	0x00F0
#define BCSR_WHOAMI_BOARD	0x0F00

#define BCSR_STATUS_PCMCIA0VS	0x0003
#define BCSR_STATUS_PCMCIA1VS	0x000C
#define BCSR_STATUS_PCMCIA0FI	0x0010
#define BCSR_STATUS_PCMCIA1FI	0x0020
#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_PCMCIA_PC0VPP		0x0003
#define BCSR_PCMCIA_PC0VCC		0x000C
#define BCSR_PCMCIA_PC0DRVEN	0x0010
#define BCSR_PCMCIA_PC0RST		0x0080
#define BCSR_PCMCIA_PC1VPP		0x0300
#define BCSR_PCMCIA_PC1VCC		0x0C00
#define BCSR_PCMCIA_PC1DRVEN	0x1000
#define BCSR_PCMCIA_PC1RST		0x8000
#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_PC0_INSERT_IRQ	0
#define PCMCIA_PC1_INSERT_IRQ	3
#define PCMCIA_PC0_STAT_CHG_IRQ	1
#define PCMCIA_PC1_STAT_CHG_IRQ	4
#define PCMCIA_PC0_IRQ			2
#define PCMCIA_PC1_IRQ			5
#define PCMCIA_PC0_VS(X)		((X&BCSR_STATUS_PCMCIA0VS)>>0)
#define PCMCIA_PC1_VS(X)		((X&BCSR_STATUS_PCMCIA1VS)>>2)
#define PCMCIA_CARD_COUNT		2

#define FLASH_AMD_MIRRORBIT
#define FLASH_START_PHYS_ADDRESS	0x1E000000
#define FLASH_END_PHYS_ADDRESS		0x1FFFFFFF
#define FLASH_BLOCK_SIZE			0x00020000