rockchip: Add initial support for the Pinebook Pro laptop from Pine64.

[oweals/u-boot.git] / board / pine64 / pinebook-pro-rk3399 / pinebook-pro-rk3399.c

diff --git a/board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c b/board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c
new file mode 100644 (file)
index 0000000..516292a
--- /dev/null
+++ b/board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * (C) Copyright 2020 Peter Robinson <pbrobinson at gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/grf_rk3399.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/misc.h>
+#include <power/regulator.h>
+
+#define GRF_IO_VSEL_BT565_SHIFT 0
+#define PMUGRF_CON0_VSEL_SHIFT 8
+
+#ifndef CONFIG_SPL_BUILD
+int board_early_init_f(void)
+{
+       struct udevice *regulator;
+       int ret;
+
+       ret = regulator_get_by_platname("vcc5v0_usb", &regulator);
+       if (ret) {
+               pr_debug("%s vcc5v0_usb init fail! ret %d\n", __func__, ret);
+               goto out;
+       }
+
+       ret = regulator_set_enable(regulator, true);
+       if (ret)
+               pr_debug("%s vcc5v0-host-en-gpio set fail! ret %d\n", __func__, ret);
+
+out:
+       return 0;
+}
+#endif
+
+#ifdef CONFIG_MISC_INIT_R
+static void setup_iodomain(void)
+{
+       struct rk3399_grf_regs *grf =
+          syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+       struct rk3399_pmugrf_regs *pmugrf =
+          syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+
+       /* BT565 is in 1.8v domain */
+       rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_BT565_SHIFT);
+
+       /* Set GPIO1 1.8v/3.0v source select to PMU1830_VOL */
+       rk_setreg(&pmugrf->soc_con0, 1 << PMUGRF_CON0_VSEL_SHIFT);
+}
+
+int misc_init_r(void)
+{
+       const u32 cpuid_offset = 0x7;
+       const u32 cpuid_length = 0x10;
+       u8 cpuid[cpuid_length];
+       int ret;
+
+       setup_iodomain();
+
+       ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
+       if (ret)
+               return ret;
+
+       ret = rockchip_cpuid_set(cpuid, cpuid_length);
+       if (ret)
+               return ret;
+
+       return ret;
+}
+#endif