csb226.h

u-boot-1.1.6 源码包

 * GP18 == RDY   is AF01
 * GP23 == SCLK  is AF10
 * GP24 == SFRM  is AF10
 * GP25 == TXD   is AF10
 * GP26 == RXD   is AF01
 * GP33 == nCS5  is AF10
 * GP34 == FFRXD is AF01
 * GP35 == CTS   is AF01
 * GP39 == FFTXD is AF10
 * GP41 == RTS   is AF10
 * GP46 == RXD   is AF10
 * GP47 == TXD   is AF01
 * GP49 == nPWE  is AF10
 * GP78 == nCS2  is AF10
 * GP79 == nCS3  is AF10
 * GP80 == nCS4  is AF10
 */
#define CFG_GAFR0_L_VAL     0x80000000
#define CFG_GAFR0_U_VAL     0x001A8010
#define CFG_GAFR1_L_VAL     0x60088058
#define CFG_GAFR1_U_VAL     0x00000008
#define CFG_GAFR2_L_VAL     0xA0000000
#define CFG_GAFR2_U_VAL     0x00000002


/* FIXME: set GPIO_RER/FER */

/* RDH = 1
 * PH  = 1
 * VFS = 1
 * BFS = 1
 * SSS = 1
 */
#define CFG_PSSR_VAL		0x37

/*
 * Memory settings
 *
 * This is the configuration for nCS0/1 -> flash banks
 * configuration for nCS1:
 * [31]    0    - Slower Device
 * [30:28] 010  - CS deselect to CS time: 2*(2*MemClk) = 40 ns
 * [27:24] 0101 - Address to data valid in bursts: (5+1)*MemClk = 60 ns
 * [23:20] 1011 - " for first access: (11+2)*MemClk = 130 ns
 * [19]    1    - 16 Bit bus width
 * [18:16] 000  - nonburst RAM or FLASH
 * configuration for nCS0:
 * [15]    0    - Slower Device
 * [14:12] 010  - CS deselect to CS time: 2*(2*MemClk) = 40 ns
 * [11:08] 0101 - Address to data valid in bursts: (5+1)*MemClk = 60 ns
 * [07:04] 1011 - " for first access: (11+2)*MemClk = 130 ns
 * [03]    1    - 16 Bit bus width
 * [02:00] 000  - nonburst RAM or FLASH
 */
#define CFG_MSC0_VAL		0x25b825b8 /* flash banks                   */

/* This is the configuration for nCS2/3 -> TDM-Switch, DSP
 * configuration for nCS3: DSP
 * [31]    0    - Slower Device
 * [30:28] 001  - RRR3: CS deselect to CS time: 1*(2*MemClk) = 20 ns
 * [27:24] 0010 - RDN3: Address to data valid in bursts: (2+1)*MemClk = 30 ns
 * [23:20] 0011 - RDF3: Address for first access: (3+1)*MemClk = 40 ns
 * [19]    1    - 16 Bit bus width
 * [18:16] 100  - variable latency I/O
 * configuration for nCS2: TDM-Switch
 * [15]    0    - Slower Device
 * [14:12] 101  - RRR2: CS deselect to CS time: 5*(2*MemClk) = 100 ns
 * [11:08] 1001 - RDN2: Address to data valid in bursts: (9+1)*MemClk = 100 ns
 * [07:04] 0011 - RDF2: Address for first access: (3+1)*MemClk = 40 ns
 * [03]    1    - 16 Bit bus width
 * [02:00] 100  - variable latency I/O
 */
#define CFG_MSC1_VAL		0x123C593C /* TDM switch, DSP               */

/* This is the configuration for nCS4/5 -> ExtBus, LAN Controller
 *
 * configuration for nCS5: LAN Controller
 * [31]    0    - Slower Device
 * [30:28] 001  - RRR5: CS deselect to CS time: 1*(2*MemClk) = 20 ns
 * [27:24] 0010 - RDN5: Address to data valid in bursts: (2+1)*MemClk = 30 ns
 * [23:20] 0011 - RDF5: Address for first access: (3+1)*MemClk = 40 ns
 * [19]    1    - 16 Bit bus width
 * [18:16] 100  - variable latency I/O
 * configuration for nCS4: ExtBus
 * [15]    0    - Slower Device
 * [14:12] 110  - RRR4: CS deselect to CS time: 6*(2*MemClk) = 120 ns
 * [11:08] 1100 - RDN4: Address to data valid in bursts: (12+1)*MemClk = 130 ns
 * [07:04] 1101 - RDF4: Address for first access: 13->(15+1)*MemClk = 160 ns
 * [03]    1    - 16 Bit bus width
 * [02:00] 100  - variable latency I/O
 */
#define CFG_MSC2_VAL		0x123C6CDC /* extra bus, LAN controller     */

/* MDCNFG: SDRAM Configuration Register
 *
 * [31:29]   000 - reserved
 * [28]      0	 - no SA1111 compatiblity mode
 * [27]      0   - latch return data with return clock
 * [26]      0   - alternate addressing for pair 2/3
 * [25:24]   00  - timings
 * [23]      0   - internal banks in lower partition 2/3 (not used)
 * [22:21]   00  - row address bits for partition 2/3 (not used)
 * [20:19]   00  - column address bits for partition 2/3 (not used)
 * [18]      0   - SDRAM partition 2/3 width is 32 bit
 * [17]      0   - SDRAM partition 3 disabled
 * [16]      0   - SDRAM partition 2 disabled
 * [15:13]   000 - reserved
 * [12]      1	 - SA1111 compatiblity mode
 * [11]      1   - latch return data with return clock
 * [10]      0   - no alternate addressing for pair 0/1
 * [09:08]   01  - tRP=2*MemClk CL=2 tRCD=2*MemClk tRAS=5*MemClk tRC=8*MemClk
 * [7]       1   - 4 internal banks in lower partition pair
 * [06:05]   10  - 13 row address bits for partition 0/1
 * [04:03]   01  - 9 column address bits for partition 0/1
 * [02]      0   - SDRAM partition 0/1 width is 32 bit
 * [01]      0   - disable SDRAM partition 1
 * [00]      1   - enable  SDRAM partition 0
 */
/* use the configuration above but disable partition 0 */
#define CFG_MDCNFG_VAL		0x000019c8

/* MDREFR: SDRAM Refresh Control Register
 *
 * [32:26] 0     - reserved
 * [25]    0     - K2FREE: not free running
 * [24]    0     - K1FREE: not free running
 * [23]    1     - K0FREE: not free running
 * [22]    0     - SLFRSH: self refresh disabled
 * [21]    0     - reserved
 * [20]    0     - APD: no auto power down
 * [19]    0     - K2DB2: SDCLK2 is MemClk
 * [18]    0     - K2RUN: disable SDCLK2
 * [17]    0     - K1DB2: SDCLK1 is MemClk
 * [16]    1     - K1RUN: enable SDCLK1
 * [15]    1     - E1PIN: SDRAM clock enable
 * [14]    1     - K0DB2: SDCLK0 is MemClk
 * [13]    0     - K0RUN: disable SDCLK0
 * [12]    1     - E0PIN: disable SDCKE0
 * [11:00] 000000011000 - (64ms/8192)*MemClkFreq/32 = 24
 */
#define CFG_MDREFR_VAL		0x0081D018

/* MDMRS: Mode Register Set Configuration Register
 *
 * [31]      0       - reserved
 * [30:23]   00000000- MDMRS2: SDRAM2/3 MRS Value. (not used)
 * [22:20]   000     - MDCL2:  SDRAM2/3 Cas Latency.  (not used)
 * [19]      0       - MDADD2: SDRAM2/3 burst Type. Fixed to sequential.  (not used)
 * [18:16]   010     - MDBL2:  SDRAM2/3 burst Length. Fixed to 4.  (not used)
 * [15]      0       - reserved
 * [14:07]   00000000- MDMRS0: SDRAM0/1 MRS Value.
 * [06:04]   010     - MDCL0:  SDRAM0/1 Cas Latency.
 * [03]      0       - MDADD0: SDRAM0/1 burst Type. Fixed to sequential.
 * [02:00]   010     - MDBL0:  SDRAM0/1 burst Length. Fixed to 4.
 */
#define CFG_MDMRS_VAL		0x00020022

/*
 * PCMCIA and CF Interfaces
 */
#define CFG_MECR_VAL		0x00000000
#define CFG_MCMEM0_VAL		0x00000000
#define CFG_MCMEM1_VAL		0x00000000
#define CFG_MCATT0_VAL		0x00000000
#define CFG_MCATT1_VAL		0x00000000
#define CFG_MCIO0_VAL		0x00000000
#define CFG_MCIO1_VAL		0x00000000
#endif

/*
 * GPIO settings
 */
#define CFG_GPSR0_VAL		0xFFFFFFFF
#define CFG_GPSR1_VAL		0xFFFFFFFF
#define CFG_GPSR2_VAL		0xFFFFFFFF
#define CFG_GPCR0_VAL		0x08022080
#define CFG_GPCR1_VAL		0x00000000
#define CFG_GPCR2_VAL		0x00000000
#define CFG_GPDR0_VAL		0xCD82A878
#define CFG_GPDR1_VAL		0xFCFFAB80
#define CFG_GPDR2_VAL		0x0001FFFF
#define CFG_GAFR0_L_VAL		0x80000000
#define CFG_GAFR0_U_VAL		0xA5254010
#define CFG_GAFR1_L_VAL		0x599A9550
#define CFG_GAFR1_U_VAL		0xAAA5AAAA
#define CFG_GAFR2_L_VAL		0xAAAAAAAA
#define CFG_GAFR2_U_VAL		0x00000002

/* FIXME: set GPIO_RER/FER */

#define CFG_PSSR_VAL        0x20

/*
 * Memory settings
 */

#define CFG_MSC0_VAL            0x2ef15af0
#define CFG_MSC1_VAL            0x00003ff4
#define CFG_MSC2_VAL            0x7ff07ff0
#define CFG_MDCNFG_VAL          0x09a909a9
#define CFG_MDREFR_VAL          0x038ff030
#define CFG_MDMRS_VAL           0x00220022

/*
 * PCMCIA and CF Interfaces
 */
#define CFG_MECR_VAL        0x00000000
#define CFG_MCMEM0_VAL      0x00000000
#define CFG_MCMEM1_VAL      0x00000000
#define CFG_MCATT0_VAL      0x00000000
#define CFG_MCATT1_VAL      0x00000000
#define CFG_MCIO0_VAL       0x00000000
#define CFG_MCIO1_VAL       0x00000000

#define CSB226_USER_LED0	0x00000008
#define CSB226_USER_LED1	0x00000010
#define CSB226_USER_LED2	0x00000020


/*
 * FLASH and environment organization
 */
#define CFG_MAX_FLASH_BANKS     1	/* max number of memory banks       */
#define CFG_MAX_FLASH_SECT	128	/* max number of sect. on one chip  */

/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase       */
#define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write       */

#define	CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_ADDR            (PHYS_FLASH_1 + 0x1C000)
					/* Addr of Environment Sector       */
#define CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector */

#endif  /* __CONFIG_H */