apalis/colibri_t20/30: hw boot partition support

The new production lot of Apalis T30 2GB V1.0C now features the new SK
Hynix H26M42003GMR rather than Hynix H26M42002GMR. Even though both
chips feature the same silicon they differ in respective eMMC firmware
and therefore have a different hardware boot partition layout.

This patch enables hardware boot partition support (via 'mmc dev [dev]
[part]' command) and handles NVIDIA's proprietary NvFlash/Fastboot\
behaviour now putting their partition table in the second boot
partition rather than the regular user area.

While at it also get rid of the spurious 'video=tegrafb' kernel boot
argument, adjust the optional ubiargs and add 'noatime' to the usbargs.

5 files changed, 43 insertions, 18 deletions

diff --git a/board/toradex/common/tegra2_partitions.c b/board/toradex/common/tegra2_partitions.c
index 77308d165d..7f69e4b72e 100644
--- a/board/toradex/common/tegra2_partitions.c
+++ b/board/toradex/common/tegra2_partitions.c
@@ -244,13 +244,25 @@ int nvtegra_read_partition_table(nvtegra_parttable_t * pt, int boot_media)
 		   offset from the start of the user region the size of the
 		   boot regions must be subtracted. */
 		struct mmc *mmc = find_mmc_device(EMMC_DEV);
-		if (mmc && !mmc_init(mmc) && (get_boot_size_mult(mmc) == 16))
-			pt_logical -= 0x5000; //why?
-#endif
+		u32 boot_size_mult = 0;
+		if (mmc && !mmc_init(mmc)) {
+			boot_size_mult = get_boot_size_mult(mmc);
+			if (boot_size_mult == 16)
+				pt_logical -= 0x5000; //why?
+		}
 
 		/* StartLogicalSector / LogicalBlockSize * PhysicalBlockSize +
 		   BootPartitions */
-		pt_offset = pt_logical / block_size * 512 + 1024 * 1024;
+		if (boot_size_mult == 32) {
+#if DEBUG > 1
+			printf("switch to second boot partition for PT access\n");
+#endif
+			mmc_switch_part(0, 2);
+			pt_offset = 0;
+		} else
+#endif /* (CONFIG_ENV_IS_IN_MMC && CONFIG_COLIBRI_T20) || CONFIG_COLIBRI_T30 ||
+	  CONFIG_APALIS_T30 */
+			pt_offset = pt_logical / block_size * 512 + 1024 * 1024;
 	}
 #if DEBUG > 1
 	printf("physical=0x%08x\n", pt_offset);
@@ -279,8 +291,12 @@ int nvtegra_read_partition_table(nvtegra_parttable_t * pt, int boot_media)
 		if (!size || size != sizeof(nvtegra_parttable_t)) {
 			printf("%s: Error! mmc block read failed. Read=%d\n",
 			       __FUNCTION__, size);
+			/* make sure we are back at the user partition */
+			mmc_switch_part(0, 0);
 			return 0;
 		}
+		/* make sure we are back at the user partition */
+		mmc_switch_part(0, 0);
 	}
 #endif /* (CONFIG_ENV_IS_IN_MMC & CONFIG_COLIBRI_T20) | CONFIG_COLIBRI_T30 |
 	  CONFIG_APALIS_T30 */
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 5df66e431d..22f207f648 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -160,6 +160,11 @@ int initialize_mmc_device(int dev_num)
 	}
 }
 
+int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	return initialize_mmc_device(0);
+}
+
 U_BOOT_CMD(
 	mmcinfo, 1, 0, do_mmcinfo,
 	"display MMC info",
diff --git a/include/configs/apalis_t30.h b/include/configs/apalis_t30.h
index e9f43ceddc..e17a461e03 100644
--- a/include/configs/apalis_t30.h
+++ b/include/configs/apalis_t30.h
@@ -78,9 +78,9 @@
 #define EMMC_BOOTCMD						\
 	"run setup; "						\
 	"setenv bootargs ${defargs} ${mmcargs} ${setupargs} "	\
-		"${vidargs};"					\
+		"${vidargs}; "					\
 	"echo Booting from internal eMMC chip...; "		\
-	"mmc read 0 ${loadaddr} ${lnxoffset} ${mmc_kernel_size} && bootm"
+	"mmc read ${loadaddr} ${lnxoffset} ${mmc_kernel_size} && bootm"
 
 #define NFS_BOOTCMD						\
 	"run setup; "						\
@@ -107,7 +107,7 @@
 #define CONFIG_LOADADDR 0x80408000
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	CONFIG_STD_DEVICES_SETTINGS \
-	"defargs=video=tegrafb core_edp_mv=1300 usb_high_speed=1\0" \
+	"defargs=core_edp_mv=1300 usb_high_speed=1\0" \
 	"emmcboot=" EMMC_BOOTCMD "\0" \
 	"mmcargs=ip=off root=/dev/mmcblk0p1 rw,noatime rootfstype=ext3 " \
 		"rootwait\0" \
@@ -117,7 +117,7 @@
 		"igb_mac=${ethaddr} no_console_suspend=1 console=tty1 " \
 		"console=ttyS0,${baudrate}n8 debug_uartport=lsport,0 " \
 		"${memargs} fbcon=map:1\0" \
-	"usbargs=root=/dev/sda2 rw rootwait\0" \
+	"usbargs=root=/dev/sda2 rw,noatime rootwait\0" \
 	"usbboot=" USB_BOOTCMD "\0" \
 	"vidargs=video=tegrafb0:640x480-16@60\0" \
 	""
diff --git a/include/configs/colibri_t20.h b/include/configs/colibri_t20.h
index 59b7f9673b..8c8b9d43dd 100644
--- a/include/configs/colibri_t20.h
+++ b/include/configs/colibri_t20.h
@@ -45,7 +45,11 @@
 #define CONFIG_SYS_NAND_BASE_LIST {}
 
 //#define USB_KBD_DEBUG
-#define CONFIG_USB_KEYBOARD
+//#define CONFIG_USB_KEYBOARD
+#ifdef CONFIG_USB_KEYBOARD
+#define CONFIG_SYS_USB_EVENT_POLL
+#define CONFIG_PREBOOT "usb start"
+#endif /* CONFIG_USB_KEYBOARD */
 
 #define CONFIG_CONSOLE_MUX
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
@@ -108,7 +112,7 @@
 	"setenv bootargs ${defargs} ${mtdparts} ${nfsargs} "	\
 		"${setupargs} ${vidargs}; "			\
 	"echo Booting via DHCP/TFTP/NFS...; "			\
-	"usb start; && dhcp && bootm"
+	"usb start && dhcp && bootm"
 
 #define UBI_BOOTCMD						\
 	"run setup; "						\
@@ -135,7 +139,7 @@
 	"setenv bootargs ${defargs} ${mtdparts} ${sdargs} "	\
 		"${setupargs} ${vidargs}; " 			\
 	"echo Booting from MMC/SD card...; "			\
-	"mmc read 0 ${loadaddr} ${lnxoffset} ${sd_kernel_size} && bootm"
+	"mmc read ${loadaddr} ${lnxoffset} ${sd_kernel_size} && bootm"
 
 #define SD_BOOT_ARGS						\
 	"sdargs=root=/dev/mmcblk0p1 ip=off rw,noatime "		\
@@ -162,7 +166,7 @@
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	CONFIG_STD_DEVICES_SETTINGS \
-	"defargs=video=tegrafb vmalloc=128M usb_high_speed=1\0" \
+	"defargs=vmalloc=128M usb_high_speed=1\0" \
 	"flashargs=ip=off root=/dev/mtdblock0 rw rootfstype=yaffs2\0" \
 	"flashboot=" FLASH_BOOTCMD "\0" \
 	"nfsargs=ip=:::::eth0:on root=/dev/nfs rw netdevwait\0" \
@@ -172,9 +176,9 @@
 		"asix_mac=${ethaddr} no_console_suspend=1 console=tty1 " \
 		"console=ttyS0,${baudrate}n8 debug_uartport=lsport,0 " \
 		"${memargs}\0" \
-	"ubiargs=ubi.mtd=7 root=ubi0:rootfs rootfstype=ubifs\0" \
+	"ubiargs=ip=off ubi.mtd=7 root=ubi0:rootfs rw rootfstype=ubifs\0" \
 	"ubiboot=" UBI_BOOTCMD "\0" \
-	"usbargs=root=/dev/sda2 rw rootwait\0" \
+	"usbargs=root=/dev/sda2 rw,noatime rootwait\0" \
 	"usbboot=" USB_BOOTCMD "\0" \
 	"vidargs=video=tegrafb0:640x480-16@60\0" \
 	""
diff --git a/include/configs/colibri_t30.h b/include/configs/colibri_t30.h
index cfedd42a1c..8115357c06 100644
--- a/include/configs/colibri_t30.h
+++ b/include/configs/colibri_t30.h
@@ -78,9 +78,9 @@
 #define EMMC_BOOTCMD						\
 	"run setup; "						\
 	"setenv bootargs ${defargs} ${mmcargs} ${setupargs} "	\
-		"${vidargs};"					\
+		"${vidargs}; "					\
 	"echo Booting from internal eMMC chip...; "		\
-	"mmc read 0 ${loadaddr} ${lnxoffset} ${mmc_kernel_size} && bootm"
+	"mmc read ${loadaddr} ${lnxoffset} ${mmc_kernel_size} && bootm"
 
 #define NFS_BOOTCMD						\
 	"run setup; "						\
@@ -107,7 +107,7 @@
 #define CONFIG_LOADADDR 0x80408000
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	CONFIG_STD_DEVICES_SETTINGS \
-	"defargs=video=tegrafb core_edp_mv=1300 usb_high_speed=1\0" \
+	"defargs=core_edp_mv=1300 usb_high_speed=1\0" \
 	"emmcboot=" EMMC_BOOTCMD "\0" \
 	"mmcargs=ip=off root=/dev/mmcblk0p1 rw,noatime rootfstype=ext3 " \
 		"rootwait\0" \
@@ -117,7 +117,7 @@
 		"asix_mac=${ethaddr} no_console_suspend=1 console=tty1 " \
 		"console=ttyS0,${baudrate}n8 debug_uartport=lsport,0 " \
 		"${memargs}\0" \
-	"usbargs=root=/dev/sda2 rw rootwait\0" \
+	"usbargs=root=/dev/sda2 rw,noatime rootwait\0" \
 	"usbboot=" USB_BOOTCMD "\0" \
 	"vidargs=video=tegrafb0:640x480-16@60\0" \
 	""