mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-15 06:33:45 +09:00
![Harald Krapfenbauer](/assets/img/avatar_default.png)
The tinyboards like to run at a little lower voltage than the default, and they prefer to boot over the network. For the latter, extend the common code a little to make this easier. Also fix the cm-bf527 env sector size while we're in here to reflect the flash that is actually in use. Signed-off-by: Harald Krapfenbauer <Harald.Krapfenbauer@bluetechnix.at> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
/*
|
|
* U-boot - Configuration file for TCM-BF537 board
|
|
*/
|
|
|
|
#ifndef __CONFIG_TCM_BF537_H__
|
|
#define __CONFIG_TCM_BF537_H__
|
|
|
|
#include <asm/config-pre.h>
|
|
|
|
|
|
/*
|
|
* Processor Settings
|
|
*/
|
|
#define CONFIG_BFIN_CPU bf537-0.2
|
|
#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_BYPASS
|
|
|
|
|
|
/*
|
|
* Clock Settings
|
|
* CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
|
|
* SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
|
|
*/
|
|
/* CONFIG_CLKIN_HZ is any value in Hz */
|
|
#define CONFIG_CLKIN_HZ 25000000
|
|
/* CLKIN_HALF controls the DF bit in PLL_CTL 0 = CLKIN */
|
|
/* 1 = CLKIN / 2 */
|
|
#define CONFIG_CLKIN_HALF 0
|
|
/* PLL_BYPASS controls the BYPASS bit in PLL_CTL 0 = do not bypass */
|
|
/* 1 = bypass PLL */
|
|
#define CONFIG_PLL_BYPASS 0
|
|
/* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL */
|
|
/* Values can range from 0-63 (where 0 means 64) */
|
|
#define CONFIG_VCO_MULT 21
|
|
/* CCLK_DIV controls the core clock divider */
|
|
/* Values can be 1, 2, 4, or 8 ONLY */
|
|
#define CONFIG_CCLK_DIV 1
|
|
/* SCLK_DIV controls the system clock divider */
|
|
/* Values can range from 1-15 */
|
|
#define CONFIG_SCLK_DIV 4
|
|
|
|
/* Decrease core voltage */
|
|
#define CONFIG_VR_CTL_VAL (VLEV_115 | CLKBUFOE | GAIN_20 | FREQ_1000)
|
|
|
|
|
|
/*
|
|
* Memory Settings
|
|
*/
|
|
#define CONFIG_MEM_ADD_WDTH 9
|
|
#define CONFIG_MEM_SIZE 32
|
|
|
|
#define CONFIG_EBIU_SDRRC_VAL 0x3f8
|
|
#define CONFIG_EBIU_SDGCTL_VAL 0x9111cd
|
|
|
|
#define CONFIG_EBIU_AMGCTL_VAL (AMBEN_ALL)
|
|
#define CONFIG_EBIU_AMBCTL0_VAL (B1WAT_7 | B1RAT_11 | B1HT_2 | B1ST_3 | B0WAT_7 | B0RAT_11 | B0HT_2 | B0ST_3)
|
|
#define CONFIG_EBIU_AMBCTL1_VAL (B3WAT_7 | B3RAT_11 | B3HT_2 | B3ST_3 | B2WAT_7 | B2RAT_11 | B2HT_2 | B2ST_3)
|
|
|
|
#define CONFIG_SYS_MONITOR_LEN (256 * 1024)
|
|
#define CONFIG_SYS_MALLOC_LEN (128 * 1024)
|
|
|
|
|
|
/*
|
|
* Network Settings
|
|
*/
|
|
/* TCM-BF537E has no PHY on it, but EXT-BF5xx-USB/Ethernet board has */
|
|
#ifndef __ADSPBF534__
|
|
#define ADI_CMDS_NETWORK 1
|
|
#define CONFIG_BFIN_MAC
|
|
#define CONFIG_NETCONSOLE 1
|
|
#define CONFIG_NET_MULTI 1
|
|
#endif
|
|
#define CONFIG_HOSTNAME tcm-bf537
|
|
/* Uncomment next line to use fixed MAC address */
|
|
/* #define CONFIG_ETHADDR 02:80:ad:20:31:e8 */
|
|
|
|
|
|
/*
|
|
* Flash Settings
|
|
*/
|
|
#define CONFIG_FLASH_CFI_DRIVER
|
|
#define CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS
|
|
#define CONFIG_SYS_FLASH_BASE 0x20000000
|
|
#define CONFIG_SYS_FLASH_CFI
|
|
#define CONFIG_SYS_FLASH_PROTECTION
|
|
#define CONFIG_SYS_MAX_FLASH_BANKS 1
|
|
#define CONFIG_SYS_MAX_FLASH_SECT 67
|
|
|
|
|
|
/*
|
|
* Env Storage Settings
|
|
*/
|
|
#define CONFIG_ENV_IS_IN_FLASH 1
|
|
#define CONFIG_ENV_OFFSET 0x4000
|
|
#define CONFIG_ENV_SIZE 0x2000
|
|
#define CONFIG_ENV_SECT_SIZE 0x20000
|
|
#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS)
|
|
#define ENV_IS_EMBEDDED
|
|
#else
|
|
#define CONFIG_ENV_IS_EMBEDDED_IN_LDR
|
|
#endif
|
|
#ifdef ENV_IS_EMBEDDED
|
|
/* WARNING - the following is hand-optimized to fit within
|
|
* the sector before the environment sector. If it throws
|
|
* an error during compilation remove an object here to get
|
|
* it linked after the configuration sector.
|
|
*/
|
|
# define LDS_BOARD_TEXT \
|
|
cpu/blackfin/traps.o (.text .text.*); \
|
|
cpu/blackfin/interrupt.o (.text .text.*); \
|
|
cpu/blackfin/serial.o (.text .text.*); \
|
|
common/dlmalloc.o (.text .text.*); \
|
|
lib_generic/crc32.o (.text .text.*); \
|
|
. = DEFINED(env_offset) ? env_offset : .; \
|
|
common/env_embedded.o (.text .text.*);
|
|
#endif
|
|
|
|
|
|
/*
|
|
* I2C Settings
|
|
*/
|
|
#define CONFIG_BFIN_TWI_I2C 1
|
|
#define CONFIG_HARD_I2C 1
|
|
#define CONFIG_SYS_I2C_SPEED 50000
|
|
#define CONFIG_SYS_I2C_SLAVE 0
|
|
|
|
|
|
/*
|
|
* Misc Settings
|
|
*/
|
|
#define CONFIG_BAUDRATE 115200
|
|
#define CONFIG_MISC_INIT_R
|
|
#define CONFIG_RTC_BFIN
|
|
#define CONFIG_UART_CONSOLE 0
|
|
#define CONFIG_BOOTCOMMAND "run flashboot"
|
|
#define FLASHBOOT_ENV_SETTINGS \
|
|
"flashboot=flread 20040000 1000000 280000;" \
|
|
"bootm 0x1000000\0"
|
|
|
|
|
|
/*
|
|
* Pull in common ADI header for remaining command/environment setup
|
|
*/
|
|
#include <configs/bfin_adi_common.h>
|
|
|
|
|
|
#endif
|