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>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 5338a39..63b86f1 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -2,7 +2,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-dtb-$(CONFIG_AT91FAMILY) += at91sam9g45-corvus.dtb \
+dtb-$(CONFIG_AT91FAMILY) += at91sam9260-smartweb.dtb \
+ at91sam9g45-corvus.dtb \
at91sam9g45-gurnard.dtb
dtb-$(CONFIG_S5PC100) += s5pc1xx-smdkc100.dtb
diff --git a/arch/arm/dts/at91sam9260-smartweb.dts b/arch/arm/dts/at91sam9260-smartweb.dts
new file mode 100644
index 0000000..faed763
--- /dev/null
+++ b/arch/arm/dts/at91sam9260-smartweb.dts
@@ -0,0 +1,110 @@
+/*
+ * at91sam9260-smartweb.dts
+ * (C) Copyright 2016
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Based on:
+ * at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
+ *
+ * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Licensed under GPLv2.
+ */
+/dts-v1/;
+#include "at91sam9260.dtsi"
+
+/ {
+ model = "Siemens smartweb";
+ compatible = "atmel,at91sam9260", "atmel,at91sam9";
+
+ chosen {
+ stdout-path = &dbgu;
+ };
+
+ memory {
+ reg = <0x20000000 0x4000000>;
+ };
+
+ clocks {
+ slow_xtal {
+ clock-frequency = <32768>;
+ };
+
+ main_xtal {
+ clock-frequency = <18432000>;
+ };
+ };
+
+ ahb {
+ apb {
+ pinctrl@fffff400 {
+ board {
+ pinctrl_pck0_as_mck: pck0_as_mck {
+ atmel,pins =
+ <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
+ };
+
+ };
+ };
+
+ dbgu: serial@fffff200 {
+ status = "okay";
+ };
+
+ usart0: serial@fffb0000 {
+ pinctrl-0 =
+ <&pinctrl_usart0
+ &pinctrl_usart0_rts
+ &pinctrl_usart0_cts
+ &pinctrl_usart0_dtr_dsr
+ &pinctrl_usart0_dcd
+ &pinctrl_usart0_ri>;
+ status = "okay";
+ };
+
+ usart1: serial@fffb4000 {
+ status = "okay";
+ };
+
+ macb0: ethernet@fffc4000 {
+ phy-mode = "rmii";
+ status = "okay";
+ };
+
+ usb1: gadget@fffa4000 {
+ atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };
+
+ ssc0: ssc@fffbc000 {
+ status = "okay";
+ pinctrl-0 = <&pinctrl_ssc0_tx>;
+ };
+
+ rtc@fffffd20 {
+ atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
+ status = "okay";
+ };
+
+ watchdog@fffffd40 {
+ status = "okay";
+ };
+
+ gpbr: syscon@fffffd50 {
+ status = "okay";
+ };
+ };
+
+ nand0: nand@40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "soft";
+ nand-on-flash-bbt;
+ status = "okay";
+ };
+
+ usb0: ohci@00500000 {
+ num-ports = <2>;
+ status = "okay";
+ };
+ };
+};
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 0ff0d1d..3adfe7e 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -136,6 +136,10 @@
bool "Support smartweb"
select CPU_ARM926EJS
select SUPPORT_SPL
+ select DM
+ select DM_SERIAL
+ select DM_GPIO
+ select DM_ETH
config TARGET_VINCO
bool "Support VINCO"
diff --git a/board/siemens/smartweb/smartweb.c b/board/siemens/smartweb/smartweb.c
index 47a60a7..78a7946 100644
--- a/board/siemens/smartweb/smartweb.c
+++ b/board/siemens/smartweb/smartweb.c
@@ -17,23 +17,33 @@
*/
#include <common.h>
+#include <dm.h>
#include <asm/io.h>
#include <asm/arch/at91sam9_sdramc.h>
#include <asm/arch/at91sam9260_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
+#include <asm/arch/atmel_serial.h>
#include <asm/arch/at91_spi.h>
#include <spi.h>
#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
#include <watchdog.h>
-#ifdef CONFIG_MACB
# include <net.h>
+#ifndef CONFIG_DM_ETH
# include <netdev.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
+static void smartweb_request_gpio(void)
+{
+ gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "nand ena");
+ gpio_request(CONFIG_SYS_NAND_READY_PIN, "nand rdy");
+ gpio_request(AT91_PIN_PA26, "ena PHY");
+}
+
static void smartweb_nand_hw_init(void)
{
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
@@ -65,7 +75,6 @@
at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
}
-#ifdef CONFIG_MACB
static void smartweb_macb_hw_init(void)
{
struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA;
@@ -108,7 +117,6 @@
/* Initialize EMAC=MACB hardware */
at91_macb_hw_init();
}
-#endif /* CONFIG_MACB */
#ifdef CONFIG_USB_GADGET_AT91
#include <linux/usb/at91_udc.h>
@@ -133,11 +141,13 @@
{
/* enable this here, as we have SPL without serial support */
at91_seriald_hw_init();
+ smartweb_request_gpio();
return 0;
}
int board_init(void)
{
+ smartweb_request_gpio();
/* power LED red */
at91_set_gpio_output(AT91_PIN_PC6, 0);
at91_set_gpio_output(AT91_PIN_PC7, 1);
@@ -157,9 +167,7 @@
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
smartweb_nand_hw_init();
-#ifdef CONFIG_MACB
smartweb_macb_hw_init();
-#endif
return 0;
}
@@ -171,12 +179,14 @@
return 0;
}
+#ifndef CONFIG_DM_ETH
#ifdef CONFIG_MACB
int board_eth_init(bd_t *bis)
{
return macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
}
#endif /* CONFIG_MACB */
+#endif
#if defined(CONFIG_SPL_BUILD)
#include <spl.h>
@@ -192,8 +202,9 @@
&mat->scfg[3]);
}
-void spl_board_init(void)
+void at91_spl_board_init(void)
{
+ smartweb_request_gpio();
/* power LED orange */
at91_set_gpio_output(AT91_PIN_PC6, 1);
at91_set_gpio_output(AT91_PIN_PC7, 1);
@@ -245,3 +256,12 @@
sdramc_initialize(ATMEL_BASE_CS1, &setting);
}
#endif
+
+static struct atmel_serial_platdata at91sam9260_serial_plat = {
+ .base_addr = ATMEL_BASE_DBGU,
+};
+
+U_BOOT_DEVICE(at91sam9260_serial) = {
+ .name = "serial_atmel",
+ .platdata = &at91sam9260_serial_plat,
+};
diff --git a/configs/smartweb_defconfig b/configs/smartweb_defconfig
index 1c29a29..cf8bff6 100644
--- a/configs/smartweb_defconfig
+++ b/configs/smartweb_defconfig
@@ -1,6 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_AT91=y
CONFIG_TARGET_SMARTWEB=y
+CONFIG_DEFAULT_DEVICE_TREE="at91sam9260-smartweb"
CONFIG_SPL=y
CONFIG_FIT=y
CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9260"
@@ -16,13 +17,17 @@
CONFIG_CMD_USB=y
CONFIG_CMD_DFU=y
# CONFIG_CMD_FPGA is not set
+# CONFIG_CMD_SOURCE is not set
CONFIG_CMD_DHCP=y
CONFIG_CMD_PING=y
CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_EMBED=y
CONFIG_USB=y
+CONFIG_DM_USB=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_DOWNLOAD=y
CONFIG_G_DNL_MANUFACTURER="Siemens AG"
CONFIG_G_DNL_VENDOR_NUM=0x0908
CONFIG_G_DNL_PRODUCT_NUM=0x02d2
-CONFIG_OF_LIBFDT=y
+# CONFIG_EFI_LOADER is not set
diff --git a/include/configs/smartweb.h b/include/configs/smartweb.h
index fc4153a..6add391 100644
--- a/include/configs/smartweb.h
+++ b/include/configs/smartweb.h
@@ -45,7 +45,7 @@
#define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
#define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
-#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
+#define CONFIG_SKIP_LOWLEVEL_INIT_ONLY /* U-Boot is loaded by a bootloader */
#define CONFIG_BOARD_EARLY_INIT_F /* call board_early_init_f() */
#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
@@ -157,10 +157,6 @@
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
-#define CONFIG_USB_HOST_ETHER
-#define CONFIG_USB_ETHER_ASIX
-#define CONFIG_USB_ETHER_MCS7830
-
/* USB DFU support */
#define CONFIG_CMD_MTDPARTS
#define CONFIG_MTD_DEVICE