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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/configs/csb226.h

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/*
* (C) Copyright 2000, 2001, 2002
* Robert Schwebel, Pengutronix, r.schwebel@pengutronix.de.
*
* Configuration for the Cogent CSB226 board. For details see
* http://www.cogcomp.com/csb_csb226.htm
*
* 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
*/
/*
* include/configs/csb226.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define DEBUG 1
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_PXA250 1 /* This is an PXA250 CPU */
#define CONFIG_CSB226 1 /* on a CSB226 board */
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
/* for timer/console/ethernet */
/* we will never enable dcache, because we have to setup MMU first */
#define CONFIG_SYS_DCACHE_OFF
#define CONFIG_SYS_TEXT_BASE 0x0
/*
* Hardware drivers
*/
/*
* select serial console configuration
*/
#define CONFIG_PXA_SERIAL
#define CONFIG_FFUART 1 /* we use FFUART on CSB226 */
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_BAUDRATE 19200
#undef CONFIG_MISC_INIT_R /* not used yet */
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_BDI
#define CONFIG_CMD_LOADB
#define CONFIG_CMD_IMI
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_MEMORY
#define CONFIG_CMD_NET
#define CONFIG_CMD_SAVEENV
#define CONFIG_CMD_RUN
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_CACHE
#define CONFIG_BOOTDELAY 3
#define CONFIG_BOOTARGS "console=ttyS0,19200 ip=192.168.1.10,192.168.1.5,,255,255,255,0,csb root=/dev/nfs, ether=0,0x08000000,eth0"
#define CONFIG_ETHADDR FF:FF:FF:FF:FF:FF
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_IPADDR 192.168.1.56
#define CONFIG_SERVERIP 192.168.1.5
#define CONFIG_BOOTCOMMAND "bootm 0x40000"
#define CONFIG_SHOW_BOOT_PROGRESS
#define CONFIG_CMDLINE_TAG 1
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 19200 /* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
#endif
/*
* Miscellaneous configurable options
*/
/*
* Size of malloc() pool; this lives below the uppermost 128 KiB which are
* used for the RAM copy of the uboot code
*
*/
#define CONFIG_SYS_MALLOC_LEN (128*1024)
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_PROMPT "uboot> " /* Monitor Command Prompt */
#define CONFIG_SYS_CBSIZE 128 /* Console I/O Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_SYS_MEMTEST_START 0xa0400000 /* memtest works on */
#define CONFIG_SYS_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */
#define CONFIG_SYS_LOAD_ADDR 0xa3000000 /* default load address */
/* RS: where is this documented? */
/* RS: is this where U-Boot is */
/* RS: relocated to in RAM? */
#define CONFIG_SYS_HZ 1000
/* RS: the oscillator is actually 3680130?? */
#define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */
/* 0101000001 */
/* ^^^^^ Memory Speed 99.53 MHz */
/* ^^ Run Mode Speed = 2x Mem Speed */
/* ^^ Turbo Mode Sp. = 1x Run M. Sp. */
#define CONFIG_SYS_MONITOR_LEN 0x1c000 /* 112 KiB */
/* valid baudrates */
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/*
* Network chip
*/
#define CONFIG_NET_MULTI
#define CONFIG_CS8900
#define CONFIG_CS8900_BUS32
#define CONFIG_CS8900_BASE 0x08000000
/*
* Stack sizes
*
* The stack sizes are set up in start.S using the settings below
*/
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
#ifdef CONFIG_USE_IRQ
#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
#endif
/*
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define PHYS_FLASH_SIZE 0x02000000 /* 32 MB */
#define CONFIG_SYS_DRAM_BASE 0xa0000000 /* RAM starts here */
#define CONFIG_SYS_DRAM_SIZE 0x02000000
#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
#define CONFIG_SYS_INIT_SP_ADDR (GENERATED_GBL_DATA_SIZE + PHYS_SDRAM_1)
# if 0
/* FIXME: switch to _documented_ registers */
/*
* GPIO settings
*
* GP15 == nCS1 is 1
* GP24 == SFRM is 1
* GP25 == TXD is 1
* GP33 == nCS5 is 1
* GP39 == FFTXD is 1
* GP41 == RTS is 1
* GP47 == TXD is 1
* GP49 == nPWE is 1
* GP62 == LED_B is 1
* GP63 == TDM_OE is 1
* GP78 == nCS2 is 1
* GP79 == nCS3 is 1
* GP80 == nCS4 is 1
*/
#define CONFIG_SYS_GPSR0_VAL 0x03008000
#define CONFIG_SYS_GPSR1_VAL 0xC0028282
#define CONFIG_SYS_GPSR2_VAL 0x0001C000
/* GP02 == DON_RST is 0
* GP23 == SCLK is 0
* GP45 == USB_ACT is 0
* GP60 == PLLEN is 0
* GP61 == LED_A is 0
* GP73 == SWUPD_LED is 0
*/
#define CONFIG_SYS_GPCR0_VAL 0x00800004
#define CONFIG_SYS_GPCR1_VAL 0x30002000
#define CONFIG_SYS_GPCR2_VAL 0x00000100
/* GP00 == DON_READY is input
* GP01 == DON_OK is input
* GP02 == DON_RST is output
* GP03 == RESET_IND is input
* GP07 == RES11 is input
* GP09 == RES12 is input
* GP11 == SWUPDATE is input
* GP14 == nPOWEROK is input
* GP15 == nCS1 is output
* GP17 == RES22 is input
* GP18 == RDY is input
* GP23 == SCLK is output
* GP24 == SFRM is output
* GP25 == TXD is output
* GP26 == RXD is input
* GP32 == RES21 is input
* GP33 == nCS5 is output
* GP34 == FFRXD is input
* GP35 == CTS is input
* GP39 == FFTXD is output
* GP41 == RTS is output
* GP42 == USB_OK is input
* GP45 == USB_ACT is output
* GP46 == RXD is input
* GP47 == TXD is output
* GP49 == nPWE is output
* GP58 == nCPUBUSINT is input
* GP59 == LANINT is input
* GP60 == PLLEN is output
* GP61 == LED_A is output
* GP62 == LED_B is output
* GP63 == TDM_OE is output
* GP64 == nDSPINT is input
* GP65 == STRAP0 is input
* GP67 == STRAP1 is input
* GP69 == STRAP2 is input
* GP70 == STRAP3 is input
* GP71 == STRAP4 is input
* GP73 == SWUPD_LED is output
* GP78 == nCS2 is output
* GP79 == nCS3 is output
* GP80 == nCS4 is output
*/
#define CONFIG_SYS_GPDR0_VAL 0x03808004
#define CONFIG_SYS_GPDR1_VAL 0xF002A282
#define CONFIG_SYS_GPDR2_VAL 0x0001C200
/* GP15 == nCS1 is AF10
* 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 CONFIG_SYS_GAFR0_L_VAL 0x80000000
#define CONFIG_SYS_GAFR0_U_VAL 0x001A8010
#define CONFIG_SYS_GAFR1_L_VAL 0x60088058
#define CONFIG_SYS_GAFR1_U_VAL 0x00000008
#define CONFIG_SYS_GAFR2_L_VAL 0xA0000000
#define CONFIG_SYS_GAFR2_U_VAL 0x00000002
/* FIXME: set GPIO_RER/FER */
/* RDH = 1
* PH = 1
* VFS = 1
* BFS = 1
* SSS = 1
*/
#define CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_MDMRS_VAL 0x00020022
/*
* PCMCIA and CF Interfaces
*/
#define CONFIG_SYS_MECR_VAL 0x00000000
#define CONFIG_SYS_MCMEM0_VAL 0x00000000
#define CONFIG_SYS_MCMEM1_VAL 0x00000000
#define CONFIG_SYS_MCATT0_VAL 0x00000000
#define CONFIG_SYS_MCATT1_VAL 0x00000000
#define CONFIG_SYS_MCIO0_VAL 0x00000000
#define CONFIG_SYS_MCIO1_VAL 0x00000000
#endif
/*
* GPIO settings
*/
#define CONFIG_SYS_GPSR0_VAL 0xFFFFFFFF
#define CONFIG_SYS_GPSR1_VAL 0xFFFFFFFF
#define CONFIG_SYS_GPSR2_VAL 0xFFFFFFFF
#define CONFIG_SYS_GPCR0_VAL 0x08022080
#define CONFIG_SYS_GPCR1_VAL 0x00000000
#define CONFIG_SYS_GPCR2_VAL 0x00000000
#define CONFIG_SYS_GPDR0_VAL 0xCD82A878
#define CONFIG_SYS_GPDR1_VAL 0xFCFFAB80
#define CONFIG_SYS_GPDR2_VAL 0x0001FFFF
#define CONFIG_SYS_GAFR0_L_VAL 0x80000000
#define CONFIG_SYS_GAFR0_U_VAL 0xA5254010
#define CONFIG_SYS_GAFR1_L_VAL 0x599A9550
#define CONFIG_SYS_GAFR1_U_VAL 0xAAA5AAAA
#define CONFIG_SYS_GAFR2_L_VAL 0xAAAAAAAA
#define CONFIG_SYS_GAFR2_U_VAL 0x00000002
/* FIXME: set GPIO_RER/FER */
#define CONFIG_SYS_PSSR_VAL 0x20
#define CONFIG_SYS_CCCR CCCR_L27|CCCR_M2|CCCR_N10
#define CONFIG_SYS_CKEN 0x0
/*
* Memory settings
*/
#define CONFIG_SYS_MSC0_VAL 0x2ef15af0
#define CONFIG_SYS_MSC1_VAL 0x00003ff4
#define CONFIG_SYS_MSC2_VAL 0x7ff07ff0
#define CONFIG_SYS_MDCNFG_VAL 0x09a909a9
#define CONFIG_SYS_MDREFR_VAL 0x038ff030
#define CONFIG_SYS_MDMRS_VAL 0x00220022
#define CONFIG_SYS_FLYCNFG_VAL 0x00000000
#define CONFIG_SYS_SXCNFG_VAL 0x00000000
/*
* PCMCIA and CF Interfaces
*/
#define CONFIG_SYS_MECR_VAL 0x00000000
#define CONFIG_SYS_MCMEM0_VAL 0x00000000
#define CONFIG_SYS_MCMEM1_VAL 0x00000000
#define CONFIG_SYS_MCATT0_VAL 0x00000000
#define CONFIG_SYS_MCATT1_VAL 0x00000000
#define CONFIG_SYS_MCIO0_VAL 0x00000000
#define CONFIG_SYS_MCIO1_VAL 0x00000000
#define CSB226_USER_LED0 0x00000008
#define CSB226_USER_LED1 0x00000010
#define CSB226_USER_LED2 0x00000020
/*
* FLASH and environment organization
*/
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sect. on one chip */
/* timeout values are in ticks */
#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000)
/* Addr of Environment Sector */
#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
#endif /* __CONFIG_H */