[U-Boot] [PATCH v2 10/10] mx23_olinuxino: Add ethernet support

Otavio Salvador
2013-02-11T13:35:56Z

This adds support to the LAN9512 chip included in the board and extend
the environment to easy netboot use.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
Changes in v2:
- Remove extra newline

include/configs/mx23_olinuxino.h | 39 ++++++++++++++++++++++++++++++++++++---
1 file changed, 36 insertions(+), 3 deletions(-)

diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h
index e081c49..dfba0fc 100644
--- a/include/configs/mx23_olinuxino.h
+++ b/include/configs/mx23_olinuxino.h
@@ -55,11 +55,13 @@
#define CONFIG_DOS_PARTITION

#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_DHCP
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_CMD_GPIO
#define CONFIG_CMD_LED
#define CONFIG_CMD_MMC
+#define CONFIG_CMD_NET
#define CONFIG_CMD_USB

/*
@@ -150,6 +152,12 @@
#define CONFIG_USB_STORAGE
#endif

+/* Ethernet */
+#ifdef CONFIG_CMD_NET
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_SMSC95XX
+#endif
+
/*
* Boot Linux
*/
@@ -191,6 +199,7 @@
"fdt_file=imx23-olinuxino.dtb\0" \
"fdt_addr=0x41000000\0" \
"boot_fdt=try\0" \
+ "ip_dyn=yes\0" \
"mmcdev=0\0" \
"mmcpart=2\0" \
"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
@@ -216,6 +225,31 @@
"fi; " \
"else " \
"bootm; " \
+ "fi;\0" \
+ "netargs=setenv bootargs console=${console_mainline},${baudrate} " \
+ "root=/dev/nfs " \
+ "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+ "netboot=echo Booting from net ...; " \
+ "usb start; " \
+ "run netargs; " \
+ "if test ${ip_dyn} = yes; then " \
+ "setenv get_cmd dhcp; " \
+ "else " \
+ "setenv get_cmd tftp; " \
+ "fi; " \
+ "${get_cmd} ${uimage}; " \
+ "if test ${boot_fdt} = yes; then " \
+ "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+ "bootm ${loadaddr} - ${fdt_addr}; " \
+ "else " \
+ "if test ${boot_fdt} = try; then " \
+ "bootm; " \
+ "else " \
+ "echo WARN: Cannot load the DT; " \
+ "fi;" \
+ "fi; " \
+ "else " \
+ "bootm; " \
"fi;\0"

#define CONFIG_BOOTCOMMAND \
@@ -225,10 +259,9 @@
"else " \
"if run loaduimage; then " \
"run mmcboot; " \
- "else " \
- "echo ERR: Fail to boot from MMC; " \
+ "else run netboot; " \
"fi; " \
"fi; " \
- "else exit; fi"
+ "else run netboot; fi"

#endif /* __MX23_OLINUXINO_CONFIG_H__ */
--
1.8.1