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  • /*
     * cm_t43.h
     *
     * Copyright (C) 2015 Compulab, Ltd.
     *
     * SPDX-License-Identifier:	GPL-2.0+
     */
    
    #ifndef __CONFIG_CM_T43_H
    #define __CONFIG_CM_T43_H
    
    #define CONFIG_AM43XX
    #define CONFIG_CM_T43
    #define CONFIG_ARCH_CPU_INIT
    #define CONFIG_MAX_RAM_BANK_SIZE	(2048 << 20)	/* 2GB */
    #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
    
    #include <asm/arch/omap.h>
    
    /* Serial support */
    #define CONFIG_OMAP_SERIAL
    #define CONFIG_DM_SERIAL
    #define CONFIG_SYS_NS16550
    #define CONFIG_SYS_NS16550_SERIAL
    #define CONFIG_SYS_NS16550_CLK		48000000
    #define CONFIG_SYS_NS16550_COM1		0x44e09000
    
    /* NAND support */
    #define CONFIG_NAND
    #define CONFIG_NAND_OMAP_ELM
    #define CONFIG_SYS_NAND_ONFI_DETECTION
    #define CONFIG_SYS_NAND_5_ADDR_CYCLE
    #define CONFIG_SYS_NAND_PAGE_SIZE	2048
    #define CONFIG_SYS_NAND_OOBSIZE		64
    #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
    #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
    #define CONFIG_SYS_NAND_ECCSIZE		512
    #define CONFIG_SYS_NAND_ECCBYTES	14
    #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
    #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
    					 CONFIG_SYS_NAND_PAGE_SIZE)
    #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
    					 10, 11, 12, 13, 14, 15, 16, 17, \
    					 18, 19, 20, 21, 22, 23, 24, 25, \
    					 26, 27, 28, 29, 30, 31, 32, 33, \
    					 34, 35, 36, 37, 38, 39, 40, 41, \
    					 42, 43, 44, 45, 46, 47, 48, 49, \
    					 50, 51, 52, 53, 54, 55, 56, 57, }
    
    /* CPSW Ethernet support */
    #define CONFIG_DRIVER_TI_CPSW
    #define CONFIG_MII
    #define CONFIG_BOOTP_DEFAULT
    #define CONFIG_BOOTP_SEND_HOSTNAME
    #define CONFIG_BOOTP_GATEWAY
    #define CONFIG_NET_MULTI
    #define CONFIG_PHY_GIGE
    #define CONFIG_PHY_ATHEROS
    #define CONFIG_PHYLIB
    #define CONFIG_SYS_RX_ETH_BUFFER	64
    
    /* USB support */
    #define CONFIG_USB_HOST
    #define CONFIG_USB_XHCI
    #define CONFIG_USB_XHCI_OMAP
    #define CONFIG_USB_XHCI_DWC3
    #define CONFIG_USB_STORAGE
    #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
    #define CONFIG_OMAP_USB_PHY
    #define CONFIG_AM437X_USB2PHY2_HOST
    
    /* SPI Flash support */
    #define CONFIG_SPI_FLASH
    #define CONFIG_SPI_FLASH_MACRONIX
    #define CONFIG_SPI_FLASH_ATMEL
    #define CONFIG_SPI_FLASH_EON
    #define CONFIG_SPI_FLASH_GIGADEVICE
    #define CONFIG_SPI_FLASH_SPANSION
    #define CONFIG_SPI_FLASH_STMICRO
    #define CONFIG_SPI_FLASH_SST
    #define CONFIG_SPI_FLASH_WINBOND
    #define CONFIG_TI_SPI_MMAP
    #define CONFIG_SPI_FLASH_BAR
    #define CONFIG_SF_DEFAULT_SPEED		48000000
    #define CONFIG_DEFAULT_SPI_MODE		SPI_MODE_3
    
    /* Power */
    #define CONFIG_POWER
    #define CONFIG_POWER_I2C
    #define CONFIG_POWER_TPS65218
    
    /* Enabling L2 Cache */
    #define CONFIG_SYS_L2_PL310
    #define CONFIG_SYS_PL310_BASE		0x48242000
    #define CONFIG_SYS_CACHELINE_SIZE	32
    
    /*
     * Since SPL did pll and ddr initialization for us,
     * we don't need to do it twice.
     */
    #if !defined(CONFIG_SPL_BUILD)
    #define CONFIG_SKIP_LOWLEVEL_INIT
    #endif
    
    #define CONFIG_HSMMC2_8BIT
    
    #include <configs/ti_armv7_omap.h>
    #undef CONFIG_SPL_OS_BOOT
    #undef CONFIG_SPL_GPIO_SUPPORT
    #undef CONFIG_SPL_NAND_SUPPORT
    #undef CONFIG_SPL_BOARD_INIT
    #undef CONFIG_BOOTDELAY
    #include <config_distro_defaults.h>
    #define CONFIG_ZERO_BOOTDELAY_CHECK
    #undef CONFIG_CMD_IMLS
    
    #define CONFIG_ENV_SIZE			(16 * 1024)
    #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
    
    #define V_OSCK				24000000  /* Clock output from T2 */
    #define V_SCLK				(V_OSCK)
    
    #define CONFIG_ENV_IS_IN_SPI_FLASH
    #define CONFIG_ENV_SECT_SIZE		(64 * 1024)
    #define CONFIG_ENV_OFFSET		(768 * 1024)
    #define CONFIG_ENV_SPI_MAX_HZ           48000000
    
    #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
    
    /* Enhance our eMMC support / experience. */
    #define CONFIG_CMD_GPT
    #define CONFIG_EFI_PARTITION
    
    #define CONFIG_EXTRA_ENV_SETTINGS \
    	"loadaddr=0x80200000\0" \
    	"fdtaddr=0x81200000\0" \
    	"bootm_size=0x8000000\0" \
    	"autoload=no\0" \
    	"console=ttyO0,115200n8\0" \
    	"fdtfile=am437x-sb-som-t43.dtb\0" \
    	"kernel=zImage-cm-t43\0" \
    	"bootscr=bootscr.img\0" \
    	"emmcroot=/dev/mmcblk0p2 rw\0" \
    	"emmcrootfstype=ext4 rootwait\0" \
    	"emmcargs=setenv bootargs console=${console} " \
    		"root=${emmcroot} " \
    		"rootfstype=${emmcrootfstype}\0" \
    	"loadbootscript=load mmc 0 ${loadaddr} ${bootscr}\0" \
    	"bootscript=echo Running bootscript from mmc ...; " \
    		"source ${loadaddr}\0" \
    	"emmcboot=echo Booting from emmc ... && " \
    		"run emmcargs && " \
    		"load mmc 1 ${loadaddr} ${kernel} && " \
    		"load mmc 1 ${fdtaddr} ${fdtfile} && " \
    		"bootz ${loadaddr} - ${fdtaddr}\0"
    
    #define CONFIG_BOOTCOMMAND \
    	"mmc dev 0; " \
    	"if mmc rescan; then " \
    		"if run loadbootscript; then " \
    			"run bootscript; " \
    		"fi; " \
    	"fi; " \
    	"mmc dev 1; " \
    	"if mmc rescan; then " \
    		"run emmcboot; " \
    	"fi;"
    
    
    #define CONFIG_CONS_INDEX		1
    
    /* SPL defines. */
    #define CONFIG_SPL_TEXT_BASE		0x40300350
    #define CONFIG_SPL_MAX_SIZE		(64 * 1024)
    #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + (128 << 20))
    #define CONFIG_SPL_POWER_SUPPORT
    #define CONFIG_SYS_SPI_U_BOOT_OFFS	(256 * 1024)
    #define CONFIG_SPL_SPI_SUPPORT
    #define CONFIG_SPL_SPI_FLASH_SUPPORT
    #define CONFIG_SPL_SPI_LOAD
    
    #endif	/* __CONFIG_CM_T43_H */