arm: at91: smartweb: add DM and DTS support
Signed-off-by: Heiko Schocher <hs@denx.de> Reviewed-by: Andreas Bießmann <andreas@biessmann.org> [rebased on current ToT] Signed-off-by: Andreas Bießmann <andreas@biessmann.org>
This commit is contained in:
Heiko Schocher
Andreas Bießmann
parent
ae21e964d8
commit
13ee789074
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@ -2,7 +2,8 @@
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# SPDX-License-Identifier: GPL-2.0+
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#
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dtb-$(CONFIG_AT91FAMILY) += at91sam9g45-corvus.dtb \
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dtb-$(CONFIG_AT91FAMILY) += at91sam9260-smartweb.dtb \
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at91sam9g45-corvus.dtb \
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at91sam9g45-gurnard.dtb
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dtb-$(CONFIG_S5PC100) += s5pc1xx-smdkc100.dtb
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@ -0,0 +1,110 @@
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/*
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* at91sam9260-smartweb.dts
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* (C) Copyright 2016
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* Based on:
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* at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
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*
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* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* Licensed under GPLv2.
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*/
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/dts-v1/;
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#include "at91sam9260.dtsi"
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/ {
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model = "Siemens smartweb";
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compatible = "atmel,at91sam9260", "atmel,at91sam9";
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chosen {
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stdout-path = &dbgu;
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};
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memory {
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reg = <0x20000000 0x4000000>;
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};
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clocks {
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slow_xtal {
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clock-frequency = <32768>;
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};
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main_xtal {
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clock-frequency = <18432000>;
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};
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};
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ahb {
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apb {
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pinctrl@fffff400 {
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board {
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pinctrl_pck0_as_mck: pck0_as_mck {
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atmel,pins =
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<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
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};
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};
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};
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dbgu: serial@fffff200 {
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status = "okay";
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};
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usart0: serial@fffb0000 {
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pinctrl-0 =
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<&pinctrl_usart0
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&pinctrl_usart0_rts
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&pinctrl_usart0_cts
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&pinctrl_usart0_dtr_dsr
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&pinctrl_usart0_dcd
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&pinctrl_usart0_ri>;
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status = "okay";
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};
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usart1: serial@fffb4000 {
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status = "okay";
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};
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macb0: ethernet@fffc4000 {
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phy-mode = "rmii";
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status = "okay";
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};
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usb1: gadget@fffa4000 {
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atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
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status = "okay";
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};
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ssc0: ssc@fffbc000 {
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status = "okay";
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pinctrl-0 = <&pinctrl_ssc0_tx>;
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};
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rtc@fffffd20 {
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atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
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status = "okay";
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};
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watchdog@fffffd40 {
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status = "okay";
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};
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gpbr: syscon@fffffd50 {
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status = "okay";
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};
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};
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nand0: nand@40000000 {
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nand-bus-width = <8>;
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nand-ecc-mode = "soft";
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nand-on-flash-bbt;
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status = "okay";
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};
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usb0: ohci@00500000 {
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num-ports = <2>;
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status = "okay";
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};
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};
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};
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@ -136,6 +136,10 @@ config TARGET_SMARTWEB
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bool "Support smartweb"
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select CPU_ARM926EJS
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select SUPPORT_SPL
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select DM
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select DM_SERIAL
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select DM_GPIO
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select DM_ETH
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config TARGET_VINCO
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bool "Support VINCO"
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@ -17,23 +17,33 @@
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*/
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#include <common.h>
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#include <dm.h>
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#include <asm/io.h>
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#include <asm/arch/at91sam9_sdramc.h>
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#include <asm/arch/at91sam9260_matrix.h>
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#include <asm/arch/at91sam9_smc.h>
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#include <asm/arch/at91_common.h>
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#include <asm/arch/atmel_serial.h>
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#include <asm/arch/at91_spi.h>
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#include <spi.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/gpio.h>
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#include <asm/gpio.h>
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#include <watchdog.h>
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#ifdef CONFIG_MACB
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# include <net.h>
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#ifndef CONFIG_DM_ETH
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# include <netdev.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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static void smartweb_request_gpio(void)
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{
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gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "nand ena");
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gpio_request(CONFIG_SYS_NAND_READY_PIN, "nand rdy");
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gpio_request(AT91_PIN_PA26, "ena PHY");
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}
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static void smartweb_nand_hw_init(void)
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{
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struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
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@ -65,7 +75,6 @@ static void smartweb_nand_hw_init(void)
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at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
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}
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#ifdef CONFIG_MACB
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static void smartweb_macb_hw_init(void)
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{
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struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA;
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@ -108,7 +117,6 @@ static void smartweb_macb_hw_init(void)
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/* Initialize EMAC=MACB hardware */
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at91_macb_hw_init();
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}
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#endif /* CONFIG_MACB */
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#ifdef CONFIG_USB_GADGET_AT91
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#include <linux/usb/at91_udc.h>
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@ -133,11 +141,13 @@ int board_early_init_f(void)
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{
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/* enable this here, as we have SPL without serial support */
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at91_seriald_hw_init();
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smartweb_request_gpio();
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return 0;
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}
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int board_init(void)
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{
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smartweb_request_gpio();
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/* power LED red */
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at91_set_gpio_output(AT91_PIN_PC6, 0);
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at91_set_gpio_output(AT91_PIN_PC7, 1);
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@ -157,9 +167,7 @@ int board_init(void)
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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smartweb_nand_hw_init();
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#ifdef CONFIG_MACB
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smartweb_macb_hw_init();
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#endif
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return 0;
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}
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@ -171,12 +179,14 @@ int dram_init(void)
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return 0;
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}
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#ifndef CONFIG_DM_ETH
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#ifdef CONFIG_MACB
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int board_eth_init(bd_t *bis)
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{
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return macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
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}
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#endif /* CONFIG_MACB */
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#endif
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#if defined(CONFIG_SPL_BUILD)
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#include <spl.h>
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@ -192,8 +202,9 @@ void matrix_init(void)
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&mat->scfg[3]);
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}
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void spl_board_init(void)
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void at91_spl_board_init(void)
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{
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smartweb_request_gpio();
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/* power LED orange */
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at91_set_gpio_output(AT91_PIN_PC6, 1);
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at91_set_gpio_output(AT91_PIN_PC7, 1);
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@ -245,3 +256,12 @@ void mem_init(void)
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sdramc_initialize(ATMEL_BASE_CS1, &setting);
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}
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#endif
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static struct atmel_serial_platdata at91sam9260_serial_plat = {
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.base_addr = ATMEL_BASE_DBGU,
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};
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U_BOOT_DEVICE(at91sam9260_serial) = {
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.name = "serial_atmel",
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.platdata = &at91sam9260_serial_plat,
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};
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@ -1,6 +1,7 @@
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CONFIG_ARM=y
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CONFIG_ARCH_AT91=y
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CONFIG_TARGET_SMARTWEB=y
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CONFIG_DEFAULT_DEVICE_TREE="at91sam9260-smartweb"
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CONFIG_SPL=y
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CONFIG_FIT=y
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CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9260"
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@ -16,13 +17,17 @@ CONFIG_AUTOBOOT_STOP_STR="\x1b\x1b"
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CONFIG_CMD_USB=y
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CONFIG_CMD_DFU=y
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# CONFIG_CMD_FPGA is not set
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# CONFIG_CMD_SOURCE is not set
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CONFIG_CMD_DHCP=y
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CONFIG_CMD_PING=y
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CONFIG_CMD_FAT=y
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CONFIG_OF_CONTROL=y
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CONFIG_OF_EMBED=y
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CONFIG_USB=y
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CONFIG_DM_USB=y
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CONFIG_USB_GADGET=y
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CONFIG_USB_GADGET_DOWNLOAD=y
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CONFIG_G_DNL_MANUFACTURER="Siemens AG"
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CONFIG_G_DNL_VENDOR_NUM=0x0908
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CONFIG_G_DNL_PRODUCT_NUM=0x02d2
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CONFIG_OF_LIBFDT=y
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# CONFIG_EFI_LOADER is not set
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@ -45,7 +45,7 @@
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#define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
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#define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
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#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
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#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
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#define CONFIG_SKIP_LOWLEVEL_INIT_ONLY /* U-Boot is loaded by a bootloader */
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#define CONFIG_BOARD_EARLY_INIT_F /* call board_early_init_f() */
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#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
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@ -157,10 +157,6 @@
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#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
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#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
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#define CONFIG_USB_HOST_ETHER
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#define CONFIG_USB_ETHER_ASIX
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#define CONFIG_USB_ETHER_MCS7830
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/* USB DFU support */
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#define CONFIG_CMD_MTDPARTS
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#define CONFIG_MTD_DEVICE
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