---
arch/arm/boards/Makefile | 1 +
arch/arm/boards/pine64-pinephone/Makefile | 2 +
arch/arm/boards/pine64-pinephone/board.c | 0
arch/arm/boards/pine64-pinephone/lowlevel.c | 119 ++++++++++++++++++++
arch/arm/configs/pinephone_defconfig | 11 ++
arch/arm/dts/Makefile | 1 +
arch/arm/dts/sun50i-a64-pinephone-1_2.dts | 3 +
arch/arm/mach-sunxi/Kconfig | 21 ++++
arch/arm/mach-sunxi/cpu_init.c | 15 ++-
images/Makefile.sunxi | 9 ++
include/mach/sunxi/init.h | 4 +
11 files changed, 184 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/boards/pine64-pinephone/Makefile
create mode 100644 arch/arm/boards/pine64-pinephone/board.c
create mode 100644 arch/arm/boards/pine64-pinephone/lowlevel.c
create mode 100644 arch/arm/configs/pinephone_defconfig
create mode 100644 arch/arm/dts/sun50i-a64-pinephone-1_2.dts
diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index 37b1650e63..083ec2dce6 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -96,6 +96,7 @@ obj-$(CONFIG_MACH_PHYTEC_SOM_IMX6) += phytec-som-imx6/
obj-$(CONFIG_MACH_PHYTEC_PHYCORE_IMX7) += phytec-phycore-imx7/
obj-$(CONFIG_MACH_PHYTEC_PHYCORE_STM32MP1) += phytec-phycore-stm32mp1/
obj-$(CONFIG_MACH_PHYTEC_SOM_IMX8MQ) += phytec-som-imx8mq/
+obj-$(CONFIG_MACH_PINE64_PINEPHONE) += pine64-pinephone/
obj-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3) += plathome-openblocks-ax3/
obj-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += plathome-openblocks-a6/
obj-$(CONFIG_MACH_PM9261) += pm9261/
diff --git a/arch/arm/boards/pine64-pinephone/Makefile b/arch/arm/boards/pine64-pinephone/Makefile
new file mode 100644
index 0000000000..092c31d6b2
--- /dev/null
+++ b/arch/arm/boards/pine64-pinephone/Makefile
@@ -0,0 +1,2 @@
+lwl-y += lowlevel.o
+obj-y += board.o
diff --git a/arch/arm/boards/pine64-pinephone/board.c b/arch/arm/boards/pine64-pinephone/board.c
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/arch/arm/boards/pine64-pinephone/lowlevel.c b/arch/arm/boards/pine64-pinephone/lowlevel.c
new file mode 100644
index 0000000000..8e7ba1c0a9
--- /dev/null
+++ b/arch/arm/boards/pine64-pinephone/lowlevel.c
@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <common.h>
+#include <debug_ll.h>
+#include <linux/sizes.h>
+#include <linux/bitops.h>
+#include <asm/barebox-arm.h>
+#include <asm/cache.h>
+#include <mach/sunxi/init.h>
+#include <mach/sunxi/xload.h>
+#include <mach/sunxi/egon.h>
+#include <mach/sunxi/rmr_switch.h>
+#include <mach/sunxi/sun50i-regs.h>
+#include <mach/sunxi/sunxi-pinctrl.h>
+
+#define STACK_TOP CONFIG_SUNXI_PBL_STACK_TOP
+
+#ifdef DEBUG
+static void debug_led_rgb(int rgb)
+{
+ void __iomem *piobase = IOMEM(SUN50I_PIO_BASE_ADDR);
+ uint32_t clr, set = 0;
+ int r = rgb & 0xff0000;
+ int g = rgb & 0x00ff00;
+ int b = rgb & 0x0000ff;
+
+ clr = (1 << 19) | (1 << 18) | (1 << 20);
+ set |= r ? 1 << 19 : 0;
+ set |= g ? 1 << 18 : 0;
+ set |= b ? 1 << 20 : 0;
+
+ clrsetbits_le32(piobase + PIO_PD_DATA, clr, set);
+}
+
+static void debug_led_init(void)
+{
+ void __iomem *ccubase = IOMEM(SUN50I_CCU_BASE_ADDR);
+ void __iomem *piobase = IOMEM(SUN50I_PIO_BASE_ADDR);
+
+ /* PIO clock enable */
+ setbits_le32(ccubase + CCU_BUS_CLK_GATE2, 1u << 5);
+ /* LED set output */
+ clrsetbits_le32(piobase + PIO_PD_CFG2, 0x000fff00, 0x00011100);
+}
+#else
+static void debug_led_rgb(int rgb) {}
+static void debug_led_init(void) {}
+#endif
+
+static void setup_uart(void)
+{
+ void __iomem *base = IOMEM(SUN50I_PIO_BASE_ADDR);
+
+ /* UART0 pinmux (PB8 + PB9) */
+ clrsetbits_le32(base + PIO_PB_CFG1, 0x000000ff, 0x00000044);
+
+ debug_ll_init();
+ putc_ll('>');
+}
+
+ENTRY_FUNCTION_WITHSTACK(start_pine64_pinephone_xload, STACK_TOP, r0, r1, r2)
+{
+
+ sunxi_egon_header();
+ sunxi_switch_to_aarch64();
+
+ debug_led_init();
+ debug_led_rgb(0xff0000);
+
+ sun50i_cpu_lowlevel_init();
+ setup_uart();
+ debug_led_rgb(0xffff00);
+
+ relocate_to_current_adr();
+ setup_c();
+
+ sun50i_a64_lpddr3_dram_init();
+
+ debug_led_rgb(0xff0000);
+
+ sun50i_cpu_lowlevel_reset();
+}
+
+ENTRY_FUNCTION_WITHSTACK(start_pine64_pinephone, STACK_TOP, r0, r1, r2)
+{
+ extern char __dtb_z_sun50i_a64_pinephone_1_2_start[];
+ void *fdt;
+ u32 size;
+
+ sunxi_switch_to_aarch64();
+
+ debug_led_init();
+ debug_led_rgb(0xffff00);
+
+ sun50i_cpu_lowlevel_init();
+ setup_uart();
+
+ relocate_to_current_adr();
+ setup_c();
+
+ /* Skip SDRAM initialization if we run from it */
+ if (get_pc() < SUN50I_DRAM_BASE_ADDR) {
+ size = sun50i_a64_lpddr3_dram_init();
+ if (size == 0) {
+ puts_ll("FAIL: dram init\r\n");
+ goto reset;
+ }
+ puthex_ll(size);
+ putc_ll('\r'); putc_ll('\n');
+ }
+
+ puts_ll("now booting\r\n");
+ fdt = __dtb_z_sun50i_a64_pinephone_1_2_start + get_runtime_offset();
+ barebox_arm_entry(SUN50I_DRAM_BASE_ADDR, SZ_1G, fdt);
+
+reset:
+ debug_led_rgb(0xff0000);
+ sun50i_cpu_lowlevel_reset();
+}
diff --git a/arch/arm/configs/pinephone_defconfig b/arch/arm/configs/pinephone_defconfig
new file mode 100644
index 0000000000..b63f8c6ec7
--- /dev/null
+++ b/arch/arm/configs/pinephone_defconfig
@@ -0,0 +1,11 @@
+CONFIG_ARCH_SUNXI=y
+CONFIG_SUNXI_MULTI_BOARDS=y
+CONFIG_MACH_PINE64_PINEPHONE=y
+CONFIG_MACH_PINE64_PINE64=y
+CONFIG_DEBUG_LL=y
+CONFIG_DRIVER_SERIAL_NS16550=y
+CONFIG_MCI=y
+CONFIG_MCI_SUNXI_SMHC=y
+CONFIG_CMD_DMESG=y
+CONFIG_MCI_STARTUP=y
+CONFIG_FS_FAT=y
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 0a7cceb461..564a60a0d8 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -81,6 +81,7 @@ lwl-$(CONFIG_MACH_PHYTEC_SOM_IMX6) += imx6q-phytec-phycard.dtb.o \
lwl-$(CONFIG_MACH_PHYTEC_PHYCORE_IMX7) += imx7d-phyboard-zeta.dtb.o
lwl-$(CONFIG_MACH_PHYTEC_PHYCORE_STM32MP1) += stm32mp157c-phycore-stm32mp1-3.dtb.o
lwl-$(CONFIG_MACH_PHYTEC_SOM_IMX8MQ) += imx8mq-phytec-phycore-som.dtb.o
+lwl-$(CONFIG_MACH_PINE64_PINEPHONE) += sun50i-a64-pinephone-1_2.dtb.o
lwl-$(CONFIG_MACH_PINE64_QUARTZ64) += rk3566-quartz64-a.dtb.o
lwl-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3) += armada-xp-openblocks-ax3-4-bb.dtb.o
lwl-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += kirkwood-openblocks_a6-bb.dtb.o
diff --git a/arch/arm/dts/sun50i-a64-pinephone-1_2.dts b/arch/arm/dts/sun50i-a64-pinephone-1_2.dts
new file mode 100644
index 0000000000..ac6fba1b91
--- /dev/null
+++ b/arch/arm/dts/sun50i-a64-pinephone-1_2.dts
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <arm64/allwinner/sun50i-a64-pinephone-1.2.dts>
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 2580a9e56a..e2d236f020 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -9,6 +9,22 @@ config SUNXI_RVBAR_IOMAP
default 0x017000a0 if ARCH_SUN50I_A64
# default 0x09010040 if ARCH_SUN50I_H5
+config SUNXI_PBL_STACK_TOP
+ hex
+ default 0x00018000 if ARCH_SUN50I_A64
+
+config ARCH_SUN50I_A64
+ bool
+ select CPU_V8
+ select CPU_SUPPORTS_64BIT_KERNEL
+ select CLOCKSOURCE_ARM_ARCHITECTED_TIMER
+ select PINCTRL_SUN50I_A64
+ select HAS_DEBUG_LL
+ select PBL_RELOCATABLE
+ select PBL_FULLY_PIC
+ help
+ Allwiner A64 (sun50iw1) SoC
+
config SUNXI_DEBUG_LL_UART_BASE
hex
default 0x01c28000
@@ -20,6 +36,11 @@ menuconfig SUNXI_MULTI_BOARDS
if SUNXI_MULTI_BOARDS
+config MACH_PINE64_PINEPHONE
+ bool "Allwinner A64 based Pine64 PinePhone"
+ select ARCH_SUN50I_A64
+ select ARM_USE_COMPRESSED_DTB
+
endif
endif
diff --git a/arch/arm/mach-sunxi/cpu_init.c b/arch/arm/mach-sunxi/cpu_init.c
index f4092d8d5d..52b7a396b3 100644
--- a/arch/arm/mach-sunxi/cpu_init.c
+++ b/arch/arm/mach-sunxi/cpu_init.c
@@ -27,7 +27,18 @@ static void sunxi_ccu_init(void __iomem *ccu)
setbits_le32(ccu + CCU_BUS_SOFT_RST4, 1u << 16);
}
-static void sunxi_cpu_lowlevel_init(void)
+void sun50i_cpu_lowlevel_init(void)
{
- sunxi_ccu_init(IOMEM(SUNXI_CCU_BASE_ADDR));
+ arm_cpu_lowlevel_init();
+ sunxi_ccu_init(IOMEM(SUN50I_CCU_BASE_ADDR));
+}
+
+void sun50i_cpu_lowlevel_reset(void)
+{
+ void __iomem *reg = IOMEM(SUN50I_TIMER_BASE_ADDR);
+ /* Set the watchdog for its shortest interval (.5s) and wait */
+ writel(1, reg + 0xB4); /* reset whole system */
+ writel(1, reg + 0xB8); /* enable */
+ writel((0xa57 << 1) | 1, reg + 0xB0); /* restart */
+ while (1);
}
diff --git a/images/Makefile.sunxi b/images/Makefile.sunxi
index 778d6f9bdf..070b1bf00d 100644
--- a/images/Makefile.sunxi
+++ b/images/Makefile.sunxi
@@ -11,3 +11,12 @@ $(obj)/%.egonimg: $(obj)/% FORCE
$(call if_changed,egon_image)
# ----------------------------------------------------------------------
+
+pblb-$(CONFIG_MACH_PINE64_PINEPHONE) += start_pine64_pinephone_xload
+MAX_PBL_IMAGE_SIZE_start_pine64_pinephone_xload = 0x8000
+FILE_barebox-pine64-pinephone_xload.img = start_pine64_pinephone_xload.pblb.egonimg
+image-$(CONFIG_MACH_PINE64_PINEPHONE) += barebox-pine64-pinephone_xload.img
+
+pblb-$(CONFIG_MACH_PINE64_PINEPHONE) += start_pine64_pinephone
+FILE_barebox-pine64-pinephone.img = start_pine64_pinephone.pblb
+image-$(CONFIG_MACH_PINE64_PINEPHONE) += barebox-pine64-pinephone.img
diff --git a/include/mach/sunxi/init.h b/include/mach/sunxi/init.h
index 40c072a028..441425be63 100644
--- a/include/mach/sunxi/init.h
+++ b/include/mach/sunxi/init.h
@@ -6,4 +6,8 @@
unsigned long sun50i_a64_ddr3_dram_init(void);
unsigned long sun50i_a64_lpddr3_dram_init(void);
+void sun50i_cpu_lowlevel_init(void);
+
+void sun50i_cpu_lowlevel_reset(void);
+
#endif
--
2.40.0
