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board: Enable ethernet, tftpboot support to pic32mzdask board.

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This adds ethernet, TFTP support for PIC32MZ[DA] Starter Kit. Also
custom environment variables/scripts are added to help boot from network.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
This commit is contained in:
Purna Chandra Mandal 2016-01-28 15:30:22 +05:30 committed by Daniel Schwierzeck
parent 23e7578c9b
commit 7d514a7407
4 changed files with 47 additions and 4 deletions
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10
arch/mips/dts/pic32mzda.dtsi
View File

@ -161,4 +161,14 @@
bus-width = <4>;
status = "disabled";
};
ethernet: ethernet@1f882000 {
compatible = "microchip,pic32mzda-eth";
reg = <0x1f882000 0x1000>;
interrupts = <153 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clock PB5CLK>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
};
};

10
arch/mips/dts/pic32mzda_sk.dts
View File

@ -42,4 +42,14 @@
&sdhci {
status = "okay";
};
&ethernet {
reset-gpios = <&gpioJ 15 0>;
status = "okay";
phy-mode = "rmii";
phy-handle = <&ethernet_phy>;
ethernet_phy: lan8740_phy@0 {
reg = <0>;
};
};

9
configs/pic32mzdask_defconfig
View File

@ -16,16 +16,19 @@ CONFIG_CMD_MEMINFO=y
# CONFIG_CMD_FLASH is not set
# CONFIG_CMD_FPGA is not set
CONFIG_CMD_GPIO=y
# CONFIG_CMD_NET is not set
# CONFIG_CMD_NFS is not set
CONFIG_CMD_RARP=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_PING=y
CONFIG_CMD_TIME=y
CONFIG_OF_EMBED=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_CLK=y
CONFIG_DM_MMC=y
CONFIG_PIC32_SDHCI=y
CONFIG_DM_ETH=y
CONFIG_PIC32_ETH=y
CONFIG_PINCTRL=y
# CONFIG_PINCTRL_FULL is not set
CONFIG_SYS_VSNPRINTF=y
CONFIG_USE_TINY_PRINTF=y
CONFIG_REGEX=y
CONFIG_CMD_DHRYSTONE=y

22
include/configs/pic32mzdask.h
View File

@ -73,6 +73,25 @@
(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_CMDLINE_EDITING 1
/*-----------------------------------------------------------------------
* Networking Configuration
*/
#define CONFIG_MII
#define CONFIG_PHY_SMSC
#define CONFIG_SYS_RX_ETH_BUFFER 8
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_ARP_TIMEOUT 500 /* millisec */
#define CONFIG_CMD_MII
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/*
* Handover flattened device tree (dtb file) to Linux kernel
*/
@ -133,7 +152,8 @@
"fi; \0"
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 0)
func(MMC, mmc, 0) \
func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>