am335x, shc: add support for the am335x based bosch shc board

U-Boot SPL 2016.03-rc3-00019-g6dfb4c2-dirty (Mar 09 2016 - 07:40:06)
SHC C3-Sample
MPU reference clock runs at 6 MHz
Setting MPU clock to 594 MHz
Enabling Spread Spectrum of 18 permille for MPU
Trying to boot from MMC
reading u-boot.img
reading u-boot.img

U-Boot 2016.03-rc3-00019-g6dfb4c2-dirty (Mar 09 2016 - 07:05:35 +0100)

       Watchdog enabled
I2C:   ready
DRAM:  512 MiB
reloc off 1f783000
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
Net:   cpsw
U-Boot#

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 340 insertions, 0 deletions

diff --git a/include/configs/am335x_shc.h b/include/configs/am335x_shc.h
new file mode 100644
index 0000000000..f2484cb170
--- /dev/null
+++ b/include/configs/am335x_shc.h
@@ -0,0 +1,340 @@
+/*
+ * (C) Copyright 2016
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Based on:
+ * am335x_evm.h
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_AM335X_SHC_H
+#define __CONFIG_AM335X_SHC_H
+
+#include <configs/ti_am335x_common.h>
+
+/* settings we don;t want on this board */
+#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
+#undef CONFIG_CMD_EXT4
+#undef CONFIG_CMD_EXT4_WRITE
+#undef CONFIG_CMD_MMC_SPI
+#undef CONFIG_CMD_SPI
+#undef CONFIG_CMD_PXE
+
+#define CONFIG_CMD_CACHE
+
+#ifndef CONFIG_SPL_BUILD
+# define CONFIG_TIMESTAMP
+# define CONFIG_LZO
+#endif
+
+#define CONFIG_SYS_BOOTM_LEN		(16 << 20)
+
+#define MACH_TYPE_BOSCH_SHC_B		9001
+#define MACH_TYPE_BOSCH_SHC_B2		9002
+#define MACH_TYPE_BOSCH_SHC_C		9003
+#define MACH_TYPE_BOSCH_SHC_C2		9004
+#define MACH_TYPE_BOSCH_SHC_C3		9005
+#define MACH_TYPE_BOSCH_SHC		9006
+#ifdef CONFIG_B_SAMPLE
+# define CONFIG_MACH_TYPE		MACH_TYPE_BOSCH_SHC_B
+#elif defined CONFIG_B2_SAMPLE
+# define CONFIG_MACH_TYPE		MACH_TYPE_BOSCH_SHC_B2
+#elif defined CONFIG_C_SAMPLE
+# define CONFIG_MACH_TYPE		MACH_TYPE_BOSCH_SHC_C
+#elif defined CONFIG_C2_SAMPLE
+# define CONFIG_MACH_TYPE		MACH_TYPE_BOSCH_SHC_C2
+#elif defined CONFIG_C3_SAMPLE
+# define CONFIG_MACH_TYPE		MACH_TYPE_BOSCH_SHC_C3
+#elif defined CONFIG_SERIES
+# define CONFIG_MACH_TYPE		MACH_TYPE_BOSCH_SHC
+#endif /* #ifdef CONFIG_B_SAMPLE */
+
+#define CONFIG_BOARD_LATE_INIT
+
+/* Clock Defines */
+#define V_OSCK				24000000  /* Clock output from T2 */
+#define V_SCLK				(V_OSCK)
+
+#define CONFIG_VERSION_VARIABLE
+
+#define CONFIG_ENV_IS_IN_MMC		1
+
+/*
+ * in case of SD Card or Network boot we want to have a possibility to
+ * debrick the shc, therefore do not read environment from eMMC
+ */
+#if defined(CONFIG_SHC_SDBOOT) || defined(CONFIG_SHC_NETBOOT)
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#else
+#define CONFIG_SYS_MMC_ENV_DEV		1
+#endif
+
+/*
+ * Info when using boot partitions: As environment resides within first
+ * 128 kB, MLO must start at 128 kB == 0x20000
+ * ENV at MMC Boot0 Partition - 0/Undefined=user, 1=boot0, 2=boot1,
+ * 4..7=general0..3
+ */
+#define CONFIG_ENV_SIZE				0x1000 /* 4 KB */
+#define CONFIG_ENV_OFFSET			0x7000 /* 28 kB */
+
+#define CONFIG_HSMMC2_8BIT
+
+#define CONFIG_ENV_OFFSET_REDUND    0x9000 /* 36 kB */
+#define CONFIG_ENV_SIZE_REDUND      CONFIG_ENV_SIZE
+
+/* Enhance our eMMC support / experience. */
+#define CONFIG_CMD_GPT
+#define CONFIG_EFI_PARTITION
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_ISO_PARTITION
+#endif
+#ifndef CONFIG_SHC_ICT
+/*
+ * In builds other than ICT, reset to retry after timeout
+ * Define a timeout after which a stopped bootloader continues autoboot
+ * (only works with CONFIG_RESET_TO_RETRY)
+ */
+# define CONFIG_BOOT_RETRY_TIME 30
+# define CONFIG_RESET_TO_RETRY
+#endif
+
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"loadaddr=0x80200000\0" \
+	"kloadaddr=0x84000000\0" \
+	"fdtaddr=0x85000000\0" \
+	"fdt_high=0xffffffff\0" \
+	"rdaddr=0x81000000\0" \
+	"bootfile=uImage\0" \
+	"fdtfile=am335x-shc.dtb\0" \
+	"verify=no\0" \
+	"serverip=10.55.152.184\0" \
+	"rootpath=/srv/nfs/shc-rootfs\0" \
+	"console=ttyO0,115200n8\0" \
+	"optargs=quiet\0" \
+	"mmcdev=1\0" \
+	"harakiri=0\0" \
+	"mmcpart=2\0" \
+	"active_root=root1\0" \
+	"inactive_root=root2\0" \
+	"mmcrootfstype=ext4 rootwait\0" \
+	"nfsopts=nolock\0" \
+	"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
+		"::off\0" \
+	"ip_method=none\0" \
+	"bootargs_defaults=setenv bootargs " \
+		"console=${console} " \
+		"${optargs}\0" \
+	"mmcargs=run bootargs_defaults;" \
+		"setenv bootargs ${bootargs} " \
+		"root=${mmcroot} " \
+		"rootfstype=${mmcrootfstype} ip=${ip_method}\0" \
+	"netargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=/dev/nfs " \
+		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
+		"ip=dhcp\0" \
+	"bootenv=uEnv.txt\0" \
+	"loadbootenv=if fatload mmc ${mmcdev} ${loadaddr} ${bootenv}; then " \
+			"echo Loaded environment from ${bootenv}; " \
+			"run importbootenv; " \
+		"fi;\0" \
+	"importbootenv=echo Importing environment variables from uEnv.txt ...; " \
+		"env import -t $loadaddr $filesize\0" \
+	"loaduimagefat=fatload mmc ${mmcdev} ${kloadaddr} ${bootfile}\0" \
+	"loaduimage=ext2load mmc ${mmcdev}:${mmcpart} ${kloadaddr} /boot/${bootfile}\0" \
+	"loadfdt=ext2load mmc ${mmcdev}:${mmcpart} ${fdtaddr} /boot/${fdtfile}\0" \
+	"netloaduimage=tftp ${loadaddr} ${bootfile}\0" \
+	"netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
+	"mmcboot=echo Booting Linux from ${mmcdevice} ...; " \
+		"run mmcargs; " \
+		"if run loadfdt; then " \
+			"echo device tree detected; " \
+			"bootm ${kloadaddr} - ${fdtaddr}; " \
+		"else " \
+			"bootm ${kloadaddr}; " \
+		"fi; \0" \
+	"netboot=echo Booting from network ...; " \
+		"setenv autoload no; " \
+		"dhcp; " \
+		"run netloaduimage; " \
+		"run netargs; " \
+		"echo NFS path: ${serverip}:${rootpath};" \
+		"if run netloadfdt; then " \
+			"echo device tree detected; " \
+			"bootm ${loadaddr} - ${fdtaddr}; " \
+		"else " \
+			"bootm ${loadaddr}; " \
+		"fi; \0" \
+	"emmc_erase=if test ${harakiri} = 1 ; then echo erase emmc ...; setenv mmcdev 1; mmc erase 0 200; reset; fi; \0" \
+	"mmcpart_gp=mmcpart gp 1 40; \0" \
+	"mmcpart_enhance=mmcpart enhance 0 64; \0" \
+	"mmcpart_rel_write=mmcpart rel_write 1f; \0" \
+	"mmcpart_commit=mmcpart commit 1; \0" \
+	"mmc_hw_part=run mmcpart_gp; run mmcpart_enhance; run mmcpart_rel_write; run mmcpart_commit; \0" \
+	"led_success=gpio set 22; \0" \
+	"fusecmd=mmc dev 1; if mmcpart iscommitted; then echo HW Partitioning already committed; mmcpart list; else run mmc_hw_part; fi; run led_success; \0" \
+	"uenv_exec=if test -n $uenvcmd; then " \
+			"echo Running uenvcmd ...; " \
+			"run uenvcmd; " \
+		"fi;\0" \
+	"sd_setup=echo SD/MMC-Card detected on device 0; " \
+		"setenv mmcdevice SD; " \
+		"setenv mmcdev 0; " \
+		"setenv mmcpart 2; " \
+		"setenv mmcroot /dev/mmcblk${mmcdev}p${mmcpart};\0" \
+	"emmc_setup=echo eMMC detected on device 1; " \
+		"setenv mmcdevice eMMC; " \
+		"setenv mmcdev 1; " \
+		"run emmc_erase; " \
+		"if test ${active_root} = root2; then " \
+			"echo Active root is partition 6 (root2); " \
+			"setenv mmcpart 6; " \
+		"else " \
+			"echo Active root is partition 5 (root1); " \
+			"setenv mmcpart 5; " \
+		"fi; " \
+		"setenv mmcroot /dev/mmcblk${mmcdev}p${mmcpart};\0"
+#endif /* #ifndef CONFIG_SPL_BUILD */
+
+#if defined CONFIG_SHC_NETBOOT
+/* Network Boot */
+# define CONFIG_BOOTCOMMAND \
+	"run fusecmd; " \
+	"if run netboot; then " \
+		"echo Booting from network; " \
+	"else " \
+		"echo ERROR: Cannot boot from network!; " \
+		"panic; " \
+	"fi; "
+
+#elif defined CONFIG_SHC_SDBOOT /* !defined CONFIG_SHC_NETBOOT */
+/* SD-Card Boot */
+# define CONFIG_BOOTCOMMAND \
+	"if mmc dev 0; mmc rescan; then " \
+		"run sd_setup; " \
+	"else " \
+		"echo ERROR: SD/MMC-Card not detected!; " \
+		"panic; " \
+	"fi; " \
+	"if run loaduimage; then " \
+		"echo Bootable SD/MMC-Card inserted, booting from it!; " \
+		"run mmcboot; " \
+	"else " \
+		"echo ERROR: Unable to load uImage from SD/MMC-Card!; " \
+		"panic; " \
+	"fi; "
+
+#elif defined CONFIG_SHC_ICT
+/* ICT adapter boots only u-boot and does HW partitioning */
+# define CONFIG_BOOTCOMMAND \
+	"if mmc dev 0; mmc rescan; then " \
+		"run sd_setup; " \
+	"else " \
+		"echo ERROR: SD/MMC-Card not detected!; " \
+		"panic; " \
+	"fi; " \
+	"run fusecmd; "
+
+#else /* !defined CONFIG_SHC_NETBOOT, !defined CONFIG_SHC_SDBOOT */
+/* Regular Boot from internal eMMC */
+# define CONFIG_BOOTCOMMAND \
+	"if mmc dev 1; mmc rescan; then " \
+		"run emmc_setup; " \
+	"else " \
+		"echo ERROR: eMMC device not detected!; " \
+		"panic; " \
+	"fi; " \
+	"if run loaduimage; then " \
+		"run mmcboot; " \
+	"else " \
+		"echo ERROR Unable to load uImage from eMMC!; " \
+		"echo Performing Rollback!; " \
+		"setenv _active_ ${active_root}; " \
+		"setenv _inactive_ ${inactive_root}; " \
+		"setenv active_root ${_inactive_}; " \
+		"setenv inactive_root ${_active_}; " \
+		"saveenv; " \
+		"reset; " \
+	"fi; "
+
+#endif /* Regular Boot */
+
+/* NS16550 Configuration */
+#define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
+#define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
+#define CONFIG_SYS_NS16550_COM3		0x48024000	/* UART2 */
+#define CONFIG_SYS_NS16550_COM4		0x481a6000	/* UART3 */
+#define CONFIG_SYS_NS16550_COM5		0x481a8000	/* UART4 */
+#define CONFIG_SYS_NS16550_COM6		0x481aa000	/* UART5 */
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_CONS_INDEX               1
+
+/* PMIC support */
+#define CONFIG_POWER_TPS65217
+
+/* SPL */
+#define CONFIG_SPL_POWER_SUPPORT
+#define CONFIG_SPL_YMODEM_SUPPORT
+
+#define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
+
+#ifndef CONFIG_SPL_USBETH_SUPPORT
+/* To support eMMC booting */
+#define CONFIG_STORAGE_EMMC
+#define CONFIG_FASTBOOT_FLASH_MMC_DEV   1
+#endif
+
+/*
+ * Disable MMC DM for SPL build and can be re-enabled after adding
+ * DM support in SPL
+ */
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_DM_MMC
+#undef CONFIG_TIMER
+#endif
+
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_PING
+#define CONFIG_DRIVER_TI_CPSW
+#define CONFIG_MII
+#define CONFIG_BOOTP_DEFAULT
+#define CONFIG_BOOTP_DNS
+#define CONFIG_BOOTP_DNS2
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_NET_RETRY_COUNT         10
+#define CONFIG_NET_MULTI
+#define CONFIG_PHY_GIGE
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_ADDR			0
+#define CONFIG_PHY_SMSC
+
+/* I2C configuration */
+#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
+#define CONFIG_SYS_I2C_SPEED		400000
+#define CONFIG_SYS_I2C_SLAVE		1
+
+#define CONFIG_SHOW_BOOT_PROGRESS
+
+#if defined CONFIG_SHC_NETBOOT
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_NET_SUPPORT
+#define CONFIG_SPL_ETH_SUPPORT
+#define CONFIG_SPL_NET_VCI_STRING	"AM335x U-Boot SPL"
+#define CONFIG_SPL_ENV_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_ENV_IS_NOWHERE
+#undef CONFIG_ENV_IS_IN_MMC
+#endif
+#endif
+#endif	/* ! __CONFIG_AM335X_SHC_H */