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-rw-r--r--arch/arm/mach-at91/Kconfig21
-rw-r--r--arch/arm/mach-at91/Kconfig.non_dt12
-rw-r--r--arch/arm/mach-at91/Makefile3
-rw-r--r--arch/arm/mach-at91/board-dt-rm9200.c11
-rw-r--r--arch/arm/mach-at91/board-dt-sama5.c38
-rw-r--r--arch/arm/mach-at91/board-foxg20.c272
-rw-r--r--arch/arm/mach-at91/board-rsi-ews.c232
-rw-r--r--arch/arm/mach-at91/clock.c1
-rw-r--r--arch/arm/mach-at91/generic.h1
-rw-r--r--arch/arm/mach-at91/include/mach/at91_pio.h6
-rw-r--r--arch/arm/mach-at91/include/mach/cpu.h22
-rw-r--r--arch/arm/mach-at91/include/mach/debug-macro.S5
-rw-r--r--arch/arm/mach-at91/include/mach/hardware.h23
-rw-r--r--arch/arm/mach-at91/include/mach/sama5d4.h33
-rw-r--r--arch/arm/mach-at91/include/mach/uncompress.h21
-rw-r--r--arch/arm/mach-at91/sama5d4.c64
-rw-r--r--arch/arm/mach-at91/setup.c97
-rw-r--r--arch/arm/mach-at91/soc.h5
18 files changed, 314 insertions, 553 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 474c855fa83c..0e6d548b70d9 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -12,6 +12,9 @@ config HAVE_AT91_DBGU0
config HAVE_AT91_DBGU1
bool
+config HAVE_AT91_DBGU2
+ bool
+
config AT91_USE_OLD_CLK
bool
@@ -36,6 +39,9 @@ config OLD_IRQ_AT91
config HAVE_AT91_SMD
bool
+config HAVE_AT91_H32MX
+ bool
+
config SOC_AT91SAM9
bool
select ATMEL_AIC_IRQ if !OLD_IRQ_AT91
@@ -96,6 +102,21 @@ config SOC_SAMA5D3
help
Select this if you are using one of Atmel's SAMA5D3 family SoC.
This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
+
+config SOC_SAMA5D4
+ bool "SAMA5D4 family"
+ select SOC_SAMA5
+ select HAVE_AT91_DBGU2
+ select CLKSRC_MMIO
+ select CACHE_L2X0
+ select CACHE_PL310
+ select HAVE_FB_ATMEL
+ select HAVE_AT91_UTMI
+ select HAVE_AT91_SMD
+ select HAVE_AT91_USB_CLK
+ select HAVE_AT91_H32MX
+ help
+ Select this if you are using one of Atmel's SAMA5D4 family SoC.
endif
if SOC_SAM_V4_V5
diff --git a/arch/arm/mach-at91/Kconfig.non_dt b/arch/arm/mach-at91/Kconfig.non_dt
index b774c3d3c632..d8e88219edb4 100644
--- a/arch/arm/mach-at91/Kconfig.non_dt
+++ b/arch/arm/mach-at91/Kconfig.non_dt
@@ -138,12 +138,6 @@ config MACH_ECO920
bool "eco920"
help
Select this if you are using the eco920 board
-
-config MACH_RSI_EWS
- bool "RSI Embedded Webserver"
- depends on ARCH_AT91RM9200
- help
- Select this if you are using RSIs EWS board.
endif
# ----------------------------------------------------------
@@ -218,12 +212,6 @@ config MACH_CPU9G20
Select this if you are using a Eukrea Electromatique's
CPU9G20 Board <http://www.eukrea.com/>
-config MACH_ACMENETUSFOXG20
- bool "Acme Systems srl FOX Board G20"
- help
- Select this if you are using Acme Systems
- FOX Board G20 <http://www.acmesystems.it>
-
config MACH_PORTUXG20
bool "taskit PortuxG20"
help
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 61d04f9314e7..ac99d87ffefe 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_SOC_AT91SAM9N12) += at91sam9n12.o
obj-$(CONFIG_SOC_AT91SAM9X5) += at91sam9x5.o
obj-$(CONFIG_SOC_AT91SAM9RL) += at91sam9rl.o
obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o
+obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o
obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200_devices.o
obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260_devices.o
@@ -44,7 +45,6 @@ obj-$(CONFIG_MACH_ECBAT91) += board-ecbat91.o
obj-$(CONFIG_MACH_YL9200) += board-yl-9200.o
obj-$(CONFIG_MACH_CPUAT91) += board-cpuat91.o
obj-$(CONFIG_MACH_ECO920) += board-eco920.o
-obj-$(CONFIG_MACH_RSI_EWS) += board-rsi-ews.o
# AT91SAM9260 board-specific support
obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o
@@ -67,7 +67,6 @@ obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o
# AT91SAM9G20 board-specific support
obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
obj-$(CONFIG_MACH_CPU9G20) += board-cpu9krea.o
-obj-$(CONFIG_MACH_ACMENETUSFOXG20) += board-foxg20.o
obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o
obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o
obj-$(CONFIG_MACH_PCONTROL_G20) += board-pcontrol-g20.o board-stamp9g20.o
diff --git a/arch/arm/mach-at91/board-dt-rm9200.c b/arch/arm/mach-at91/board-dt-rm9200.c
index 61ea21445664..226563f850b8 100644
--- a/arch/arm/mach-at91/board-dt-rm9200.c
+++ b/arch/arm/mach-at91/board-dt-rm9200.c
@@ -14,6 +14,7 @@
#include <linux/gpio.h>
#include <linux/of.h>
#include <linux/of_irq.h>
+#include <linux/clk-provider.h>
#include <asm/setup.h>
#include <asm/irq.h>
@@ -24,13 +25,21 @@
#include "at91_aic.h"
#include "generic.h"
+static void __init at91rm9200_dt_timer_init(void)
+{
+#if defined(CONFIG_COMMON_CLK)
+ of_clk_init(NULL);
+#endif
+ at91rm9200_timer_init();
+}
+
static const char *at91rm9200_dt_board_compat[] __initdata = {
"atmel,at91rm9200",
NULL
};
DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)")
- .init_time = at91rm9200_timer_init,
+ .init_time = at91rm9200_dt_timer_init,
.map_io = at91_map_io,
.init_early = at91rm9200_dt_initialize,
.dt_compat = at91rm9200_dt_board_compat,
diff --git a/arch/arm/mach-at91/board-dt-sama5.c b/arch/arm/mach-at91/board-dt-sama5.c
index be6aa2e2c343..129e2917506b 100644
--- a/arch/arm/mach-at91/board-dt-sama5.c
+++ b/arch/arm/mach-at91/board-dt-sama5.c
@@ -27,34 +27,12 @@
#include "at91_aic.h"
#include "generic.h"
-static int ksz9021rn_phy_fixup(struct phy_device *phy)
-{
- int value;
-
- /* Set delay values */
- value = MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW | 0x8000;
- phy_write(phy, MICREL_KSZ9021_EXTREG_CTRL, value);
- value = 0xF2F4;
- phy_write(phy, MICREL_KSZ9021_EXTREG_DATA_WRITE, value);
- value = MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW | 0x8000;
- phy_write(phy, MICREL_KSZ9021_EXTREG_CTRL, value);
- value = 0x2222;
- phy_write(phy, MICREL_KSZ9021_EXTREG_DATA_WRITE, value);
-
- return 0;
-}
-
static void __init sama5_dt_device_init(void)
{
- if (of_machine_is_compatible("atmel,sama5d3xcm") &&
- IS_ENABLED(CONFIG_PHYLIB))
- phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
- ksz9021rn_phy_fixup);
-
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
-static const char *sama5_dt_board_compat[] __initdata = {
+static const char *sama5_dt_board_compat[] __initconst = {
"atmel,sama5",
NULL
};
@@ -66,3 +44,17 @@ DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)")
.init_machine = sama5_dt_device_init,
.dt_compat = sama5_dt_board_compat,
MACHINE_END
+
+static const char *sama5_alt_dt_board_compat[] __initconst = {
+ "atmel,sama5d4",
+ NULL
+};
+
+DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5 (Device Tree)")
+ /* Maintainer: Atmel */
+ .map_io = at91_alt_map_io,
+ .init_early = at91_dt_initialize,
+ .init_machine = sama5_dt_device_init,
+ .dt_compat = sama5_alt_dt_board_compat,
+ .l2c_aux_mask = ~0UL,
+MACHINE_END
diff --git a/arch/arm/mach-at91/board-foxg20.c b/arch/arm/mach-at91/board-foxg20.c
deleted file mode 100644
index ec290b6ed9d8..000000000000
--- a/arch/arm/mach-at91/board-foxg20.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * Copyright (C) 2005 SAN People
- * Copyright (C) 2008 Atmel
- * Copyright (C) 2010 Lee McLoughlin - lee@lmmrtech.com
- * Copyright (C) 2010 Sergio Tanzilli - tanzilli@acmesystems.it
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/at73c213.h>
-#include <linux/gpio.h>
-#include <linux/gpio_keys.h>
-#include <linux/input.h>
-#include <linux/clk.h>
-#include <linux/w1-gpio.h>
-
-#include <mach/hardware.h>
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/irq.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <mach/at91sam9_smc.h>
-
-#include "at91_aic.h"
-#include "board.h"
-#include "sam9_smc.h"
-#include "generic.h"
-#include "gpio.h"
-
-/*
- * The FOX Board G20 hardware comes as the "Netus G20" board with
- * just the cpu, ram, dataflash and two header connectors.
- * This is plugged into the FOX Board which provides the ethernet,
- * usb, rtc, leds, switch, ...
- *
- * For more info visit: http://www.acmesystems.it/foxg20
- */
-
-
-static void __init foxg20_init_early(void)
-{
- /* Initialize processor: 18.432 MHz crystal */
- at91_initialize(18432000);
-}
-
-/*
- * USB Host port
- */
-static struct at91_usbh_data __initdata foxg20_usbh_data = {
- .ports = 2,
- .vbus_pin = {-EINVAL, -EINVAL},
- .overcurrent_pin= {-EINVAL, -EINVAL},
-};
-
-/*
- * USB Device port
- */
-static struct at91_udc_data __initdata foxg20_udc_data = {
- .vbus_pin = AT91_PIN_PC6,
- .pullup_pin = -EINVAL, /* pull-up driven by UDC */
-};
-
-
-/*
- * SPI devices.
- */
-static struct spi_board_info foxg20_spi_devices[] = {
-#if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
- {
- .modalias = "mtd_dataflash",
- .chip_select = 1,
- .max_speed_hz = 15 * 1000 * 1000,
- .bus_num = 0,
- },
-#endif
-};
-
-
-/*
- * MACB Ethernet device
- */
-static struct macb_platform_data __initdata foxg20_macb_data = {
- .phy_irq_pin = AT91_PIN_PA7,
- .is_rmii = 1,
-};
-
-/*
- * MCI (SD/MMC)
- * det_pin, wp_pin and vcc_pin are not connected
- */
-static struct mci_platform_data __initdata foxg20_mci0_data = {
- .slot[1] = {
- .bus_width = 4,
- .detect_pin = -EINVAL,
- .wp_pin = -EINVAL,
- },
-};
-
-
-/*
- * LEDs
- */
-static struct gpio_led foxg20_leds[] = {
- { /* user led, red */
- .name = "user_led",
- .gpio = AT91_PIN_PC7,
- .active_low = 0,
- .default_trigger = "heartbeat",
- },
-};
-
-
-/*
- * GPIO Buttons
- */
-#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
-static struct gpio_keys_button foxg20_buttons[] = {
- {
- .gpio = AT91_PIN_PC4,
- .code = BTN_1,
- .desc = "Button 1",
- .active_low = 1,
- .wakeup = 1,
- },
-};
-
-static struct gpio_keys_platform_data foxg20_button_data = {
- .buttons = foxg20_buttons,
- .nbuttons = ARRAY_SIZE(foxg20_buttons),
-};
-
-static struct platform_device foxg20_button_device = {
- .name = "gpio-keys",
- .id = -1,
- .num_resources = 0,
- .dev = {
- .platform_data = &foxg20_button_data,
- }
-};
-
-static void __init foxg20_add_device_buttons(void)
-{
- at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */
- at91_set_deglitch(AT91_PIN_PC4, 1);
-
- platform_device_register(&foxg20_button_device);
-}
-#else
-static void __init foxg20_add_device_buttons(void) {}
-#endif
-
-
-#if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
-static struct w1_gpio_platform_data w1_gpio_pdata = {
- /* If you choose to use a pin other than PB16 it needs to be 3.3V */
- .pin = AT91_PIN_PB16,
- .is_open_drain = 1,
- .ext_pullup_enable_pin = -EINVAL,
-};
-
-static struct platform_device w1_device = {
- .name = "w1-gpio",
- .id = -1,
- .dev.platform_data = &w1_gpio_pdata,
-};
-
-static void __init at91_add_device_w1(void)
-{
- at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
- at91_set_multi_drive(w1_gpio_pdata.pin, 1);
- platform_device_register(&w1_device);
-}
-
-#endif
-
-
-static struct i2c_board_info __initdata foxg20_i2c_devices[] = {
- {
- I2C_BOARD_INFO("24c512", 0x50),
- },
-};
-
-
-static void __init foxg20_board_init(void)
-{
- /* Serial */
- /* DBGU on ttyS0. (Rx & Tx only) */
- at91_register_uart(0, 0, 0);
-
- /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
- at91_register_uart(AT91SAM9260_ID_US0, 1,
- ATMEL_UART_CTS
- | ATMEL_UART_RTS
- | ATMEL_UART_DTR
- | ATMEL_UART_DSR
- | ATMEL_UART_DCD
- | ATMEL_UART_RI);
-
- /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
- at91_register_uart(AT91SAM9260_ID_US1, 2,
- ATMEL_UART_CTS
- | ATMEL_UART_RTS);
-
- /* USART2 on ttyS3. (Rx & Tx only) */
- at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
-
- /* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */
- at91_register_uart(AT91SAM9260_ID_US3, 4,
- ATMEL_UART_CTS
- | ATMEL_UART_RTS);
-
- /* USART4 on ttyS5. (Rx & Tx only) */
- at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
-
- /* USART5 on ttyS6. (Rx & Tx only) */
- at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
-
- /* Set the internal pull-up resistor on DRXD */
- at91_set_A_periph(AT91_PIN_PB14, 1);
- at91_add_device_serial();
- /* USB Host */
- at91_add_device_usbh(&foxg20_usbh_data);
- /* USB Device */
- at91_add_device_udc(&foxg20_udc_data);
- /* SPI */
- at91_add_device_spi(foxg20_spi_devices, ARRAY_SIZE(foxg20_spi_devices));
- /* Ethernet */
- at91_add_device_eth(&foxg20_macb_data);
- /* MMC */
- at91_add_device_mci(0, &foxg20_mci0_data);
- /* I2C */
- at91_add_device_i2c(foxg20_i2c_devices, ARRAY_SIZE(foxg20_i2c_devices));
- /* LEDs */
- at91_gpio_leds(foxg20_leds, ARRAY_SIZE(foxg20_leds));
- /* Push Buttons */
- foxg20_add_device_buttons();
-#if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
- at91_add_device_w1();
-#endif
-}
-
-MACHINE_START(ACMENETUSFOXG20, "Acme Systems srl FOX Board G20")
- /* Maintainer: Sergio Tanzilli */
- .init_time = at91_init_time,
- .map_io = at91_map_io,
- .handle_irq = at91_aic_handle_irq,
- .init_early = foxg20_init_early,
- .init_irq = at91_init_irq_default,
- .init_machine = foxg20_board_init,
-MACHINE_END
diff --git a/arch/arm/mach-at91/board-rsi-ews.c b/arch/arm/mach-at91/board-rsi-ews.c
deleted file mode 100644
index f28e8b74df4b..000000000000
--- a/arch/arm/mach-at91/board-rsi-ews.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * board-rsi-ews.c
- *
- * Copyright (C)
- * 2005 SAN People,
- * 2008-2011 R-S-I Elektrotechnik GmbH & Co. KG
- *
- * Licensed under GPLv2 or later.
- */
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/spi/spi.h>
-#include <linux/mtd/physmap.h>
-
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/irq.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <mach/hardware.h>
-
-#include <linux/gpio.h>
-
-#include "at91_aic.h"
-#include "board.h"
-#include "generic.h"
-#include "gpio.h"
-
-static void __init rsi_ews_init_early(void)
-{
- /* Initialize processor: 18.432 MHz crystal */
- at91_initialize(18432000);
-}
-
-/*
- * Ethernet
- */
-static struct macb_platform_data rsi_ews_eth_data __initdata = {
- .phy_irq_pin = AT91_PIN_PC4,
- .is_rmii = 1,
-};
-
-/*
- * USB Host
- */
-static struct at91_usbh_data rsi_ews_usbh_data __initdata = {
- .ports = 1,
- .vbus_pin = {-EINVAL, -EINVAL},
- .overcurrent_pin= {-EINVAL, -EINVAL},
-};
-
-/*
- * SD/MC
- */
-static struct mci_platform_data __initdata rsi_ews_mci0_data = {
- .slot[0] = {
- .bus_width = 4,
- .detect_pin = AT91_PIN_PB27,
- .wp_pin = AT91_PIN_PB29,
- },
-};
-
-/*
- * I2C
- */
-static struct i2c_board_info rsi_ews_i2c_devices[] __initdata = {
- {
- I2C_BOARD_INFO("ds1337", 0x68),
- },
- {
- I2C_BOARD_INFO("24c01", 0x50),
- }
-};
-
-/*
- * LEDs
- */
-static struct gpio_led rsi_ews_leds[] = {
- {
- .name = "led0",
- .gpio = AT91_PIN_PB6,
- .active_low = 0,
- },
- {
- .name = "led1",
- .gpio = AT91_PIN_PB7,
- .active_low = 0,
- },
- {
- .name = "led2",
- .gpio = AT91_PIN_PB8,
- .active_low = 0,
- },
- {
- .name = "led3",
- .gpio = AT91_PIN_PB9,
- .active_low = 0,
- },
-};
-
-/*
- * DataFlash
- */
-static struct spi_board_info rsi_ews_spi_devices[] = {
- { /* DataFlash chip 1*/
- .modalias = "mtd_dataflash",
- .chip_select = 0,
- .max_speed_hz = 5 * 1000 * 1000,
- },
- { /* DataFlash chip 2*/
- .modalias = "mtd_dataflash",
- .chip_select = 1,
- .max_speed_hz = 5 * 1000 * 1000,
- },
-};
-
-/*
- * NOR flash
- */
-static struct mtd_partition rsiews_nor_partitions[] = {
- {
- .name = "boot",
- .offset = 0,
- .size = 3 * SZ_128K,
- .mask_flags = MTD_WRITEABLE
- },
- {
- .name = "kernel",
- .offset = MTDPART_OFS_NXTBLK,
- .size = SZ_2M - (3 * SZ_128K)
- },
- {
- .name = "root",
- .offset = MTDPART_OFS_NXTBLK,
- .size = SZ_8M
- },
- {
- .name = "kernelupd",
- .offset = MTDPART_OFS_NXTBLK,
- .size = 3 * SZ_512K,
- .mask_flags = MTD_WRITEABLE
- },
- {
- .name = "rootupd",
- .offset = MTDPART_OFS_NXTBLK,
- .size = 9 * SZ_512K,
- .mask_flags = MTD_WRITEABLE
- },
-};
-
-static struct physmap_flash_data rsiews_nor_data = {
- .width = 2,
- .parts = rsiews_nor_partitions,
- .nr_parts = ARRAY_SIZE(rsiews_nor_partitions),
-};
-
-#define NOR_BASE AT91_CHIPSELECT_0
-#define NOR_SIZE SZ_16M
-
-static struct resource nor_flash_resources[] = {
- {
- .start = NOR_BASE,
- .end = NOR_BASE + NOR_SIZE - 1,
- .flags = IORESOURCE_MEM,
- }
-};
-
-static struct platform_device rsiews_nor_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &rsiews_nor_data,
- },
- .resource = nor_flash_resources,
- .num_resources = ARRAY_SIZE(nor_flash_resources),
-};
-
-/*
- * Init Func
- */
-static void __init rsi_ews_board_init(void)
-{
- /* Serial */
- /* DBGU on ttyS0. (Rx & Tx only) */
- /* This one is for debugging */
- at91_register_uart(0, 0, 0);
-
- /* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
- /* Dialin/-out modem interface */
- at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS
- | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
- | ATMEL_UART_RI);
-
- /* USART3 on ttyS4. (Rx, Tx, RTS) */
- /* RS485 communication */
- at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);
- at91_add_device_serial();
- at91_set_gpio_output(AT91_PIN_PA21, 0);
- /* Ethernet */
- at91_add_device_eth(&rsi_ews_eth_data);
- /* USB Host */
- at91_add_device_usbh(&rsi_ews_usbh_data);
- /* I2C */
- at91_add_device_i2c(rsi_ews_i2c_devices,
- ARRAY_SIZE(rsi_ews_i2c_devices));
- /* SPI */
- at91_add_device_spi(rsi_ews_spi_devices,
- ARRAY_SIZE(rsi_ews_spi_devices));
- /* MMC */
- at91_add_device_mci(0, &rsi_ews_mci0_data);
- /* NOR Flash */
- platform_device_register(&rsiews_nor_flash);
- /* LEDs */
- at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds));
-}
-
-MACHINE_START(RSI_EWS, "RSI EWS")
- /* Maintainer: Josef Holzmayr <holzmayr@rsi-elektrotechnik.de> */
- .init_time = at91rm9200_timer_init,
- .map_io = at91_map_io,
- .handle_irq = at91_aic_handle_irq,
- .init_early = rsi_ews_init_early,
- .init_irq = at91_init_irq_default,
- .init_machine = rsi_ews_board_init,
-MACHINE_END
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index 034529d801b2..d66f102c352a 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -962,6 +962,7 @@ static int __init at91_clock_reset(void)
}
at91_pmc_write(AT91_PMC_SCDR, scdr);
+ at91_pmc_write(AT91_PMC_PCDR, pcdr);
if (cpu_is_sama5d3())
at91_pmc_write(AT91_PMC_PCDR1, pcdr1);
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 189d7c7e7f60..81959cf4a137 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -17,6 +17,7 @@
/* Map io */
extern void __init at91_map_io(void);
+extern void __init at91_alt_map_io(void);
extern void __init at91_init_sram(int bank, unsigned long base,
unsigned int length);
diff --git a/arch/arm/mach-at91/include/mach/at91_pio.h b/arch/arm/mach-at91/include/mach/at91_pio.h
index 732b11c37f1a..7b7366253ceb 100644
--- a/arch/arm/mach-at91/include/mach/at91_pio.h
+++ b/arch/arm/mach-at91/include/mach/at91_pio.h
@@ -71,4 +71,10 @@
#define ABCDSR_PERIPH_C 0x2
#define ABCDSR_PERIPH_D 0x3
+#define SAMA5D3_PIO_DRIVER1 0x118 /*PIO Driver 1 register offset*/
+#define SAMA5D3_PIO_DRIVER2 0x11C /*PIO Driver 2 register offset*/
+
+#define AT91SAM9X5_PIO_DRIVER1 0x114 /*PIO Driver 1 register offset*/
+#define AT91SAM9X5_PIO_DRIVER2 0x118 /*PIO Driver 2 register offset*/
+
#endif
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index 86c71debab5b..b27e9ca65653 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -36,7 +36,7 @@
#define ARCH_ID_AT91M40807 0x14080745
#define ARCH_ID_AT91R40008 0x44000840
-#define ARCH_ID_SAMA5D3 0x8A5C07C0
+#define ARCH_ID_SAMA5 0x8A5C07C0
#define ARCH_EXID_AT91SAM9M11 0x00000001
#define ARCH_EXID_AT91SAM9M10 0x00000002
@@ -49,12 +49,19 @@
#define ARCH_EXID_AT91SAM9G25 0x00000003
#define ARCH_EXID_AT91SAM9X25 0x00000004
+#define ARCH_EXID_SAMA5D3 0x00004300
#define ARCH_EXID_SAMA5D31 0x00444300
#define ARCH_EXID_SAMA5D33 0x00414300
#define ARCH_EXID_SAMA5D34 0x00414301
#define ARCH_EXID_SAMA5D35 0x00584300
#define ARCH_EXID_SAMA5D36 0x00004301
+#define ARCH_EXID_SAMA5D4 0x00000007
+#define ARCH_EXID_SAMA5D41 0x00000001
+#define ARCH_EXID_SAMA5D42 0x00000002
+#define ARCH_EXID_SAMA5D43 0x00000003
+#define ARCH_EXID_SAMA5D44 0x00000004
+
#define ARCH_FAMILY_AT91X92 0x09200000
#define ARCH_FAMILY_AT91SAM9 0x01900000
#define ARCH_FAMILY_AT91SAM9XE 0x02900000
@@ -86,6 +93,9 @@ enum at91_soc_type {
/* SAMA5D3 */
AT91_SOC_SAMA5D3,
+ /* SAMA5D4 */
+ AT91_SOC_SAMA5D4,
+
/* Unknown type */
AT91_SOC_UNKNOWN,
};
@@ -108,6 +118,10 @@ enum at91_soc_subtype {
AT91_SOC_SAMA5D31, AT91_SOC_SAMA5D33, AT91_SOC_SAMA5D34,
AT91_SOC_SAMA5D35, AT91_SOC_SAMA5D36,
+ /* SAMA5D4 */
+ AT91_SOC_SAMA5D41, AT91_SOC_SAMA5D42, AT91_SOC_SAMA5D43,
+ AT91_SOC_SAMA5D44,
+
/* No subtype for this SoC */
AT91_SOC_SUBTYPE_NONE,
@@ -211,6 +225,12 @@ static inline int at91_soc_is_detected(void)
#define cpu_is_sama5d3() (0)
#endif
+#ifdef CONFIG_SOC_SAMA5D4
+#define cpu_is_sama5d4() (at91_soc_initdata.type == AT91_SOC_SAMA5D4)
+#else
+#define cpu_is_sama5d4() (0)
+#endif
+
/*
* Since this is ARM, we will never run on any AVR32 CPU. But these
* definitions may reduce clutter in common drivers.
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
index c6bb9e2d9baa..2103a90f2261 100644
--- a/arch/arm/mach-at91/include/mach/debug-macro.S
+++ b/arch/arm/mach-at91/include/mach/debug-macro.S
@@ -16,8 +16,11 @@
#if defined(CONFIG_AT91_DEBUG_LL_DBGU0)
#define AT91_DBGU AT91_BASE_DBGU0
-#else
+#elif defined(CONFIG_AT91_DEBUG_LL_DBGU1)
#define AT91_DBGU AT91_BASE_DBGU1
+#else
+/* On sama5d4, use USART3 as low level serial console */
+#define AT91_DBGU SAMA5D4_BASE_USART3
#endif
.macro addruart, rp, rv, tmp
diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h
index 56338245653a..c13797352688 100644
--- a/arch/arm/mach-at91/include/mach/hardware.h
+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -19,8 +19,10 @@
/* DBGU base */
/* rm9200, 9260/9g20, 9261/9g10, 9rl */
#define AT91_BASE_DBGU0 0xfffff200
-/* 9263, 9g45 */
+/* 9263, 9g45, sama5d3 */
#define AT91_BASE_DBGU1 0xffffee00
+/* sama5d4 */
+#define AT91_BASE_DBGU2 0xfc069000
#if defined(CONFIG_ARCH_AT91X40)
#include <mach/at91x40.h>
@@ -34,6 +36,7 @@
#include <mach/at91sam9x5.h>
#include <mach/at91sam9n12.h>
#include <mach/sama5d3.h>
+#include <mach/sama5d4.h>
/*
* On all at91 except rm9200 and x40 have the System Controller starts
@@ -47,9 +50,15 @@
* and map the same memory space
*/
#define AT91_BASE_SYS 0xffffc000
+
#endif
/*
+ * On sama5d4 there is no system controller, we map some needed peripherals
+ */
+#define AT91_ALT_BASE_SYS 0xfc069000
+
+/*
* On all at91 have the Advanced Interrupt Controller starts at address
* 0xfffff000 and the Power Management Controller starts at 0xfffffc00
*/
@@ -69,23 +78,35 @@
*/
#define AT91_IO_PHYS_BASE 0xFFF78000
#define AT91_IO_VIRT_BASE IOMEM(0xFF000000 - AT91_IO_SIZE)
+
+/*
+ * On sama5d4, remap the peripherals from address 0xFC069000 .. 0xFC06F000
+ * to 0xFB069000 .. 0xFB06F000. (24Kb)
+ */
+#define AT91_ALT_IO_PHYS_BASE AT91_ALT_BASE_SYS
+#define AT91_ALT_IO_VIRT_BASE IOMEM(0xFB069000)
#else
/*
* Identity mapping for the non MMU case.
*/
#define AT91_IO_PHYS_BASE AT91_BASE_SYS
#define AT91_IO_VIRT_BASE IOMEM(AT91_IO_PHYS_BASE)
+
+#define AT91_ALT_IO_PHYS_BASE AT91_ALT_BASE_SYS
+#define AT91_ALT_IO_VIRT_BASE IOMEM(AT91_ALT_BASE_SYS)
#endif
#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
/* Convert a physical IO address to virtual IO address */
#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE)
+#define AT91_ALT_IO_P2V(x) ((x) - AT91_ALT_IO_PHYS_BASE + AT91_ALT_IO_VIRT_BASE)
/*
* Virtual to Physical Address mapping for IO devices.
*/
#define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS)
+#define AT91_ALT_VA_BASE_SYS AT91_ALT_IO_P2V(AT91_ALT_BASE_SYS)
/* Internal SRAM is mapped below the IO devices */
#define AT91_SRAM_MAX SZ_1M
diff --git a/arch/arm/mach-at91/include/mach/sama5d4.h b/arch/arm/mach-at91/include/mach/sama5d4.h
new file mode 100644
index 000000000000..f256a45d9854
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/sama5d4.h
@@ -0,0 +1,33 @@
+/*
+ * Chip-specific header file for the SAMA5D4 family
+ *
+ * Copyright (C) 2013 Atmel Corporation,
+ * Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Common definitions.
+ * Based on SAMA5D4 datasheet.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#ifndef SAMA5D4_H
+#define SAMA5D4_H
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define SAMA5D4_BASE_USART3 0xfc00c000 /* (USART3 non-secure) Base Address */
+#define SAMA5D4_BASE_PMC 0xf0018000 /* (PMC) Base Address */
+#define SAMA5D4_BASE_MPDDRC 0xf0010000 /* (MPDDRC) Base Address */
+#define SAMA5D4_BASE_PIOD 0xfc068000 /* (PIOD) Base Address */
+
+/* Some other peripherals */
+#define SAMA5D4_BASE_SYS2 SAMA5D4_BASE_PIOD
+
+/*
+ * Internal Memory.
+ */
+#define SAMA5D4_NS_SRAM_BASE 0x00210000 /* Internal SRAM base address Non-Secure */
+#define SAMA5D4_NS_SRAM_SIZE (64 * SZ_1K) /* Internal SRAM size Non-Secure part (64Kb) */
+
+#endif
diff --git a/arch/arm/mach-at91/include/mach/uncompress.h b/arch/arm/mach-at91/include/mach/uncompress.h
index 4bb644f8e87c..acb2d890ad7e 100644
--- a/arch/arm/mach-at91/include/mach/uncompress.h
+++ b/arch/arm/mach-at91/include/mach/uncompress.h
@@ -94,7 +94,7 @@ static const u32 uarts_sam9x5[] = {
0,
};
-static const u32 uarts_sama5[] = {
+static const u32 uarts_sama5d3[] = {
AT91_BASE_DBGU1,
SAMA5D3_BASE_USART0,
SAMA5D3_BASE_USART1,
@@ -103,6 +103,12 @@ static const u32 uarts_sama5[] = {
0,
};
+static const u32 uarts_sama5d4[] = {
+ AT91_BASE_DBGU2,
+ SAMA5D4_BASE_USART3,
+ 0,
+};
+
static inline const u32* decomp_soc_detect(void __iomem *dbgu_base)
{
u32 cidr, socid;
@@ -134,8 +140,14 @@ static inline const u32* decomp_soc_detect(void __iomem *dbgu_base)
case ARCH_ID_AT91SAM9X5:
return uarts_sam9x5;
- case ARCH_ID_SAMA5D3:
- return uarts_sama5;
+ case ARCH_ID_SAMA5:
+ cidr = __raw_readl(dbgu_base + AT91_DBGU_EXID);
+ if (cidr & ARCH_EXID_SAMA5D3)
+ return uarts_sama5d3;
+ else if (cidr & ARCH_EXID_SAMA5D4)
+ return uarts_sama5d4;
+
+ break;
}
/* at91sam9g10 */
@@ -156,9 +168,10 @@ static inline void arch_decomp_setup(void)
const u32* usarts;
usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU0);
-
if (!usarts)
usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU1);
+ if (!usarts)
+ usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU2);
if (!usarts) {
at91_uart = NULL;
return;
diff --git a/arch/arm/mach-at91/sama5d4.c b/arch/arm/mach-at91/sama5d4.c
new file mode 100644
index 000000000000..7638509639f4
--- /dev/null
+++ b/arch/arm/mach-at91/sama5d4.c
@@ -0,0 +1,64 @@
+/*
+ * Chip-specific setup code for the SAMA5D4 family
+ *
+ * Copyright (C) 2013 Atmel Corporation,
+ * Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+#include <linux/clk/at91_pmc.h>
+
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/sama5d4.h>
+#include <mach/cpu.h>
+#include <mach/hardware.h>
+
+#include "soc.h"
+#include "generic.h"
+#include "sam9_smc.h"
+
+/* --------------------------------------------------------------------
+ * Processor initialization
+ * -------------------------------------------------------------------- */
+static struct map_desc at91_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_MPDDRC),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_MPDDRC),
+ .length = SZ_512,
+ .type = MT_DEVICE,
+ },
+ {
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_PMC),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_PMC),
+ .length = SZ_512,
+ .type = MT_DEVICE,
+ },
+ { /* On sama5d4, we use USART3 as serial console */
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_USART3),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_USART3),
+ .length = SZ_256,
+ .type = MT_DEVICE,
+ },
+ { /* A bunch of peripheral with fine grained IO space */
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_SYS2),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_SYS2),
+ .length = SZ_2K,
+ .type = MT_DEVICE,
+ },
+};
+
+
+static void __init sama5d4_map_io(void)
+{
+ iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc));
+ at91_init_sram(0, SAMA5D4_NS_SRAM_BASE, SAMA5D4_NS_SRAM_SIZE);
+}
+
+AT91_SOC_START(sama5d4)
+ .map_io = sama5d4_map_io,
+AT91_SOC_END
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 51c22a2fcea4..961079250b83 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -98,6 +98,13 @@ static struct map_desc at91_io_desc __initdata __maybe_unused = {
.type = MT_DEVICE,
};
+static struct map_desc at91_alt_io_desc __initdata __maybe_unused = {
+ .virtual = (unsigned long)AT91_ALT_VA_BASE_SYS,
+ .pfn = __phys_to_pfn(AT91_ALT_BASE_SYS),
+ .length = 24 * SZ_1K,
+ .type = MT_DEVICE,
+};
+
static void __init soc_detect(u32 dbgu_base)
{
u32 cidr, socid;
@@ -160,9 +167,12 @@ static void __init soc_detect(u32 dbgu_base)
at91_boot_soc = at91sam9n12_soc;
break;
- case ARCH_ID_SAMA5D3:
- at91_soc_initdata.type = AT91_SOC_SAMA5D3;
- at91_boot_soc = sama5d3_soc;
+ case ARCH_ID_SAMA5:
+ at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+ if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {
+ at91_soc_initdata.type = AT91_SOC_SAMA5D3;
+ at91_boot_soc = sama5d3_soc;
+ }
break;
}
@@ -185,7 +195,8 @@ static void __init soc_detect(u32 dbgu_base)
at91_soc_initdata.cidr = cidr;
/* sub version of soc */
- at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+ if (!at91_soc_initdata.exid)
+ at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
if (at91_soc_initdata.type == AT91_SOC_SAM9G45) {
switch (at91_soc_initdata.exid) {
@@ -242,6 +253,54 @@ static void __init soc_detect(u32 dbgu_base)
}
}
+static void __init alt_soc_detect(u32 dbgu_base)
+{
+ u32 cidr, socid;
+
+ /* SoC ID */
+ cidr = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
+ socid = cidr & ~AT91_CIDR_VERSION;
+
+ switch (socid) {
+ case ARCH_ID_SAMA5:
+ at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+ if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {
+ at91_soc_initdata.type = AT91_SOC_SAMA5D3;
+ at91_boot_soc = sama5d3_soc;
+ } else if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D4) {
+ at91_soc_initdata.type = AT91_SOC_SAMA5D4;
+ at91_boot_soc = sama5d4_soc;
+ }
+ break;
+ }
+
+ if (!at91_soc_is_detected())
+ return;
+
+ at91_soc_initdata.cidr = cidr;
+
+ /* sub version of soc */
+ if (!at91_soc_initdata.exid)
+ at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+
+ if (at91_soc_initdata.type == AT91_SOC_SAMA5D4) {
+ switch (at91_soc_initdata.exid) {
+ case ARCH_EXID_SAMA5D41:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D41;
+ break;
+ case ARCH_EXID_SAMA5D42:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D42;
+ break;
+ case ARCH_EXID_SAMA5D43:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D43;
+ break;
+ case ARCH_EXID_SAMA5D44:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D44;
+ break;
+ }
+ }
+}
+
static const char *soc_name[] = {
[AT91_SOC_RM9200] = "at91rm9200",
[AT91_SOC_SAM9260] = "at91sam9260",
@@ -254,6 +313,7 @@ static const char *soc_name[] = {
[AT91_SOC_SAM9X5] = "at91sam9x5",
[AT91_SOC_SAM9N12] = "at91sam9n12",
[AT91_SOC_SAMA5D3] = "sama5d3",
+ [AT91_SOC_SAMA5D4] = "sama5d4",
[AT91_SOC_UNKNOWN] = "Unknown",
};
@@ -281,6 +341,10 @@ static const char *soc_subtype_name[] = {
[AT91_SOC_SAMA5D34] = "sama5d34",
[AT91_SOC_SAMA5D35] = "sama5d35",
[AT91_SOC_SAMA5D36] = "sama5d36",
+ [AT91_SOC_SAMA5D41] = "sama5d41",
+ [AT91_SOC_SAMA5D42] = "sama5d42",
+ [AT91_SOC_SAMA5D43] = "sama5d43",
+ [AT91_SOC_SAMA5D44] = "sama5d44",
[AT91_SOC_SUBTYPE_NONE] = "None",
[AT91_SOC_SUBTYPE_UNKNOWN] = "Unknown",
};
@@ -319,6 +383,31 @@ void __init at91_map_io(void)
at91_boot_soc.map_io();
}
+void __init at91_alt_map_io(void)
+{
+ /* Map peripherals */
+ iotable_init(&at91_alt_io_desc, 1);
+
+ at91_soc_initdata.type = AT91_SOC_UNKNOWN;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN;
+
+ alt_soc_detect(AT91_BASE_DBGU2);
+ if (!at91_soc_is_detected())
+ panic("AT91: Impossible to detect the SOC type");
+
+ pr_info("AT91: Detected soc type: %s\n",
+ at91_get_soc_type(&at91_soc_initdata));
+ if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE)
+ pr_info("AT91: Detected soc subtype: %s\n",
+ at91_get_soc_subtype(&at91_soc_initdata));
+
+ if (!at91_soc_is_enabled())
+ panic("AT91: Soc not enabled");
+
+ if (at91_boot_soc.map_io)
+ at91_boot_soc.map_io();
+}
+
void __iomem *at91_matrix_base;
EXPORT_SYMBOL_GPL(at91_matrix_base);
diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h
index 2886b83dd0df..9a8fd97a8bef 100644
--- a/arch/arm/mach-at91/soc.h
+++ b/arch/arm/mach-at91/soc.h
@@ -26,6 +26,7 @@ extern struct at91_init_soc at91sam9rl_soc;
extern struct at91_init_soc at91sam9x5_soc;
extern struct at91_init_soc at91sam9n12_soc;
extern struct at91_init_soc sama5d3_soc;
+extern struct at91_init_soc sama5d4_soc;
#define AT91_SOC_START(_name) \
struct at91_init_soc __initdata _name##_soc \
@@ -76,3 +77,7 @@ static inline int at91_soc_is_enabled(void)
#if !defined(CONFIG_SOC_SAMA5D3)
#define sama5d3_soc at91_boot_soc
#endif
+
+#if !defined(CONFIG_SOC_SAMA5D4)
+#define sama5d4_soc at91_boot_soc
+#endif
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