[RFC PATCH 11/11] arm: boards: sunxi: Add pine64 board
Jules Maselbas
jmaselbas at zdiv.net
Wed May 10 16:37:11 PDT 2023
---
arch/arm/boards/Makefile | 1 +
arch/arm/boards/pine64-pine64/Makefile | 1 +
arch/arm/boards/pine64-pine64/lowlevel.c | 148 +++++++++++++++++++++++
arch/arm/dts/Makefile | 1 +
arch/arm/dts/sun50i-a64-pine64-plus.dts | 18 +++
arch/arm/mach-sunxi/Kconfig | 5 +
images/Makefile.sunxi | 10 ++
7 files changed, 184 insertions(+)
create mode 100644 arch/arm/boards/pine64-pine64/Makefile
create mode 100644 arch/arm/boards/pine64-pine64/lowlevel.c
create mode 100644 arch/arm/dts/sun50i-a64-pine64-plus.dts
diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index 083ec2dce6..1fa1f962b3 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -97,6 +97,7 @@ 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-$(CONFIG_MACH_PINE64_PINE64) += pine64-pine64/
obj-$(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-pine64/Makefile b/arch/arm/boards/pine64-pine64/Makefile
new file mode 100644
index 0000000000..b08c4a93ca
--- /dev/null
+++ b/arch/arm/boards/pine64-pine64/Makefile
@@ -0,0 +1 @@
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/pine64-pine64/lowlevel.c b/arch/arm/boards/pine64-pine64/lowlevel.c
new file mode 100644
index 0000000000..744f37a8e0
--- /dev/null
+++ b/arch/arm/boards/pine64-pine64/lowlevel.c
@@ -0,0 +1,148 @@
+// 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
+
+#if 0
+static void sun50i_pinmux_set(void __iomem *pio, u32 port, u32 pins, u8 func)
+{
+ u32 i, msk = 0, cfg = 0;
+ for (i = 0; i < 8; i++) {
+ if (pins & (1 << i)) {
+ cfg |= func << (i * 4);
+ msk |= 0xf << (i * 4);
+ }
+ }
+ clrsetbits_le32(pio + port, msk, cfg);
+}
+#endif
+
+static void setup_uart(void)
+{
+ void __iomem *pio = IOMEM(SUN50I_PIO_BASE_ADDR);
+
+ /// ... uuuuhh
+// sun50i_pinmux_set(pio, PIO_PB_CFG1, BIT(0) | BIT(1), 4);
+ /* UART0 pinmux (PB8 + PB9) */
+ clrsetbits_le32(pio + PIO_PB_CFG1, 0x000000ff, 0x00000044);
+
+ debug_ll_init();
+ putc_ll('>');
+}
+
+ENTRY_FUNCTION_WITHSTACK(start_pine64_pine64, STACK_TOP, r0, r1, r2)
+{
+ extern char __dtb_z_sun50i_a64_pine64_plus_start[];
+ void *fdt;
+ u32 size;
+
+ sunxi_switch_to_aarch64();
+
+ 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_ddr3_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_pine64_plus_start + get_runtime_offset();
+ barebox_arm_entry(SUN50I_DRAM_BASE_ADDR, SZ_1G, fdt);
+
+reset:
+ sun50i_cpu_lowlevel_reset();
+}
+
+static void sun50i_mmc0_init(void)
+{
+ void __iomem *ccu = IOMEM(SUN50I_CCU_BASE_ADDR);
+ void __iomem *pio = IOMEM(SUN50I_PIO_BASE_ADDR);
+
+ /* - configure clock gate pinctrl controller */
+ /* PIO clock enable */
+ setbits_le32(ccu + CCU_BUS_CLK_GATE2, BIT(5));
+
+ /* - configure pinctrl for mmc controller */
+ /* set alt-function 2 for pins PF0 -> PF5 */
+ clrsetbits_le32(pio + PIO_PF_CFG0, 0x00ffffff, 0x00222222);
+// sun50i_pinmux_set(pio, PIO_PF_CFG0, 0x3f, 2); TO BE REWORK'D
+
+ /* - configure clock gate mmc controller */
+ /* MMC0 and MMC2 clock un-gate and reset */
+ setbits_le32(ccu + 0x2c0, /* RST_BUS_MMC0 */ BIT(8) | /* RST_BUS_MMC2 */ BIT(10));
+ setbits_le32(ccu + 0x060, /* CLK_BUS_MMC0 */ BIT(8) | /* CLK_BUS_MMC2 */ BIT(10));
+
+ writel(BIT(31), ccu + 0x88); /* MMC0 clock gate */
+ writel(BIT(31), ccu + 0x90); /* MMC2 clock gate */
+}
+
+static void sunxi_fat_start_image(struct pbl_bio *bio, void *buf, size_t size)
+{
+ void (*start)(void) = buf;
+ int ret;
+
+ ret = pbl_fat_load(bio, "barebox.bin", buf, size);
+ if (ret < 0)
+ return;
+ sync_caches_for_execution();
+ start();
+}
+
+ENTRY_FUNCTION_WITHSTACK(start_pine64_pine64_xload, STACK_TOP, r0, r1, r2)
+{
+ struct pbl_bio bio;
+ u32 size;
+ int ret;
+
+ sunxi_egon_header();
+ sunxi_switch_to_aarch64();
+
+ sun50i_cpu_lowlevel_init();
+ setup_uart();
+
+ relocate_to_current_adr();
+ setup_c();
+
+ size = sun50i_a64_ddr3_dram_init();
+ if (size == 0) {
+ puts_ll("FAIL: dram init\r\n");
+ goto reset;
+ }
+
+ /* now let's boot from sd/mmc */
+ sun50i_mmc0_init();
+
+ /* - setup pbl mci driver */
+ ret = sunxi_mmc_bio_init(&bio, IOMEM(SUN50I_MMC0_BASE_ADDR), 24000000 /*osc24M */, 0);
+ if (ret)
+ goto reset;
+ puts_ll("bio init\r\n");
+
+ sunxi_fat_start_image(&bio, IOMEM(SUN50I_DRAM_BASE_ADDR), SZ_16M);
+ puts_ll("fat fail\r\n");
+
+reset:
+ sun50i_cpu_lowlevel_reset();
+}
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 564a60a0d8..b3de5ff54a 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -82,6 +82,7 @@ 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-$(CONFIG_MACH_PINE64_PINE64) += sun50i-a64-pine64-plus.dtb.o
lwl-$(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-pine64-plus.dts b/arch/arm/dts/sun50i-a64-pine64-plus.dts
new file mode 100644
index 0000000000..b7856bcddf
--- /dev/null
+++ b/arch/arm/dts/sun50i-a64-pine64-plus.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <arm64/allwinner/sun50i-a64-pine64-plus.dts>
+/{
+ memory at 40000000 {
+ device_type = "memory";
+ reg = <0x40000000 0x40000000>; /* 1 GB */
+ };
+};
+&mmc0 { /* SD */
+};
+&mmc1 { /* PIO */
+ max-frequency = <400000>;
+};
+&mmc2 { /* eMMC */
+ max-frequency = <400000>;
+ status = "ok";
+};
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index e2d236f020..f101ae45ed 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -41,6 +41,11 @@ config MACH_PINE64_PINEPHONE
select ARCH_SUN50I_A64
select ARM_USE_COMPRESSED_DTB
+config MACH_PINE64_PINE64
+ bool "Allwinner A64 based Pine64 PINE64"
+ select ARCH_SUN50I_A64
+ select ARM_USE_COMPRESSED_DTB
+
endif
endif
diff --git a/images/Makefile.sunxi b/images/Makefile.sunxi
index 070b1bf00d..75adba7f7f 100644
--- a/images/Makefile.sunxi
+++ b/images/Makefile.sunxi
@@ -20,3 +20,13 @@ 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-$(CONFIG_MACH_PINE64_PINEPHONE) += barebox-pine64-pinephone.img
+
+pblb-$(CONFIG_MACH_PINE64_PINE64) += start_pine64_pine64
+FILE_barebox-pine64-pine64.img = start_pine64_pine64.pblb
+image-$(CONFIG_MACH_PINE64_PINE64) += barebox-pine64-pine64.img
+
+pblb-$(CONFIG_MACH_PINE64_PINE64) += start_pine64_pine64_xload
+MAX_PBL_IMAGE_SIZE_start_pine64_pine64_xload = 0x8000
+FILE_barebox-pine64-pine64_xload.img = start_pine64_pine64_xload.pblb.egonimg
+image-$(CONFIG_MACH_PINE64_PINE64) += barebox-pine64-pine64_xload.img
+
--
2.40.0
More information about the barebox
mailing list