diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
index 5e03d039433a06b8edb96371a865f6d76395ec01..5a74c9717d8400c7eb10de2f9ebc9276fe29408c 100644
--- a/arch/arm/mach-sunxi/board.c
+++ b/arch/arm/mach-sunxi/board.c
@@ -69,12 +69,14 @@ struct mm_region *mem_map = sunxi_mem_map;
static int gpio_init(void)
{
#if CONFIG_CONS_INDEX == 1 && defined(CONFIG_UART0_PORT_F)
-#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)
+#if defined(CONFIG_MACH_SUN4I) || \
+ defined(CONFIG_MACH_SUN7I) || \
+ defined(CONFIG_MACH_SUN8I_R40)
/* disable GPB22,23 as uart0 tx,rx to avoid conflict */
sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUNXI_GPIO_INPUT);
sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUNXI_GPIO_INPUT);
#endif
-#if defined(CONFIG_MACH_SUN8I)
+#if defined(CONFIG_MACH_SUN8I) && !defined(CONFIG_MACH_SUN8I_R40)
sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUN8I_GPF_UART0);
sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUN8I_GPF_UART0);
#else
@@ -82,7 +84,9 @@ static int gpio_init(void)
sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUNXI_GPF_UART0);
#endif
sunxi_gpio_set_pull(SUNXI_GPF(4), 1);
-#elif CONFIG_CONS_INDEX == 1 && (defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I))
+#elif CONFIG_CONS_INDEX == 1 && (defined(CONFIG_MACH_SUN4I) || \
+ defined(CONFIG_MACH_SUN7I) || \
+ defined(CONFIG_MACH_SUN8I_R40))
sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUN4I_GPB_UART0);
sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUN4I_GPB_UART0);
sunxi_gpio_set_pull(SUNXI_GPB(23), SUNXI_GPIO_PULL_UP);
diff --git a/arch/arm/mach-sunxi/cpu_info.c b/arch/arm/mach-sunxi/cpu_info.c
index 85633ccec21665a104b2ebd0b5bbc53247e70636..7851de299ab5ca1a5960f9e1eb3445e9408cb21c 100644
--- a/arch/arm/mach-sunxi/cpu_info.c
+++ b/arch/arm/mach-sunxi/cpu_info.c
@@ -87,6 +87,8 @@ int print_cpuinfo(void)
printf("CPU: Allwinner A83T (SUN8I %04x)\n", sunxi_get_sram_id());
#elif defined CONFIG_MACH_SUN8I_H3
printf("CPU: Allwinner H3 (SUN8I %04x)\n", sunxi_get_sram_id());
+#elif defined CONFIG_MACH_SUN8I_R40
+ printf("CPU: Allwinner R40 (SUN8I %04x)\n", sunxi_get_sram_id());
#elif defined CONFIG_MACH_SUN9I
puts("CPU: Allwinner A80 (SUN9I)\n");
#elif defined CONFIG_MACH_SUN50I
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 67355589bf66709735738c8468f525a46ba80fef..3df707731325e574266a9076cfbae6529d915d10 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -134,6 +134,11 @@ config MACH_SUN8I_H3
select MACH_SUNXI_H3_H5
select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
+config MACH_SUN8I_R40
+ bool "sun8i (Allwinner R40)"
+ select CPU_V7
+ select SUNXI_GEN_SUN6I
+
config MACH_SUN9I
bool "sun9i (Allwinner A80)"
select CPU_V7
@@ -163,6 +168,7 @@ config MACH_SUN8I
default y if MACH_SUN8I_A33
default y if MACH_SUN8I_A83T
default y if MACH_SUNXI_H3_H5
+ default y if MACH_SUN8I_R40
config RESERVE_ALLWINNER_BOOT0_HEADER
bool "reserve space for Allwinner boot0 header"
@@ -528,6 +534,7 @@ config VIDEO
bool "Enable graphical uboot console on HDMI, LCD or VGA"
depends on !MACH_SUN8I_A83T
depends on !MACH_SUNXI_H3_H5
+ depends on !MACH_SUN8I_R40
depends on !MACH_SUN9I
depends on !MACH_SUN50I
default y
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index e2bba9abdeedd8da828b2f7c719fa99e4af17aea..4c211802296f270a046398f92de687d4fa50aef9 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -396,7 +396,10 @@ int board_mmc_init(bd_t *bis)
void i2c_init_board(void)
{
#ifdef CONFIG_I2C0_ENABLE
-#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN5I) || defined(CONFIG_MACH_SUN7I)
+#if defined(CONFIG_MACH_SUN4I) || \
+ defined(CONFIG_MACH_SUN5I) || \
+ defined(CONFIG_MACH_SUN7I) || \
+ defined(CONFIG_MACH_SUN8I_R40)
sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN4I_GPB_TWI0);
sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN4I_GPB_TWI0);
clock_twi_onoff(0, 1);
@@ -412,7 +415,9 @@ void i2c_init_board(void)
#endif
#ifdef CONFIG_I2C1_ENABLE
-#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)
+#if defined(CONFIG_MACH_SUN4I) || \
+ defined(CONFIG_MACH_SUN7I) || \
+ defined(CONFIG_MACH_SUN8I_R40)
sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN4I_GPB_TWI1);
sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN4I_GPB_TWI1);
clock_twi_onoff(1, 1);
@@ -432,7 +437,9 @@ void i2c_init_board(void)
#endif
#ifdef CONFIG_I2C2_ENABLE
-#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)
+#if defined(CONFIG_MACH_SUN4I) || \
+ defined(CONFIG_MACH_SUN7I) || \
+ defined(CONFIG_MACH_SUN8I_R40)
sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN4I_GPB_TWI2);
sunxi_gpio_set_cfgpin(SUNXI_GPB(21), SUN4I_GPB_TWI2);
clock_twi_onoff(2, 1);
@@ -456,7 +463,8 @@ void i2c_init_board(void)
sunxi_gpio_set_cfgpin(SUNXI_GPG(10), SUN6I_GPG_TWI3);
sunxi_gpio_set_cfgpin(SUNXI_GPG(11), SUN6I_GPG_TWI3);
clock_twi_onoff(3, 1);
-#elif defined(CONFIG_MACH_SUN7I)
+#elif defined(CONFIG_MACH_SUN7I) || \
+ defined(CONFIG_MACH_SUN8I_R40)
sunxi_gpio_set_cfgpin(SUNXI_GPI(0), SUN7I_GPI_TWI3);
sunxi_gpio_set_cfgpin(SUNXI_GPI(1), SUN7I_GPI_TWI3);
clock_twi_onoff(3, 1);
@@ -464,7 +472,8 @@ void i2c_init_board(void)
#endif
#ifdef CONFIG_I2C4_ENABLE
-#if defined(CONFIG_MACH_SUN7I)
+#if defined(CONFIG_MACH_SUN7I) || \
+ defined(CONFIG_MACH_SUN8I_R40)
sunxi_gpio_set_cfgpin(SUNXI_GPI(2), SUN7I_GPI_TWI4);
sunxi_gpio_set_cfgpin(SUNXI_GPI(3), SUN7I_GPI_TWI4);
clock_twi_onoff(4, 1);