summaryrefslogtreecommitdiff
path: root/include/configs/ti_am335x_common.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/configs/ti_am335x_common.h')
-rw-r--r--include/configs/ti_am335x_common.h22
1 files changed, 13 insertions, 9 deletions
diff --git a/include/configs/ti_am335x_common.h b/include/configs/ti_am335x_common.h
index fd3ffab..d2e34ae 100644
--- a/include/configs/ti_am335x_common.h
+++ b/include/configs/ti_am335x_common.h
@@ -28,23 +28,27 @@
#define CONFIG_SYS_NS16550_CLK 48000000
/* Network defines. */
-#define CONFIG_CMD_NET
+#define CONFIG_CMD_NET /* 'bootp' and 'tftp' */
#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_DNS /* Configurable parts of CMD_DHCP */
#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_CMD_PING
+#define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */
+#define CONFIG_MII /* Required in net/eth.c */
-/* SPL defines. */
+/*
+ * SPL related defines. The Public RAM memory map the ROM defines the
+ * area between 0x402F0400 and 0x4030B800 as a download area and
+ * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also
+ * supports X-MODEM loading via UART, and we leverage this and then use
+ * Y-MODEM to load u-boot.img, when booted over UART.
+ */
#define CONFIG_SPL_TEXT_BASE 0x402F0400
-#define CONFIG_SPL_MAX_SIZE (0x4030C000 - CONFIG_SPL_TEXT_BASE)
-#define CONFIG_SPL_YMODEM_SUPPORT
+#define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE)
/*
* Since SPL did pll and ddr initialization for us,