aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c
diff options
context:
space:
mode:
authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c')
-rw-r--r--roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c b/roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c
new file mode 100644
index 000000000..deeba3084
--- /dev/null
+++ b/roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <init.h>
+#include <log.h>
+#include <misc.h>
+#include <spl.h>
+#include <syscon.h>
+#include <u-boot/crc.h>
+#include <usb.h>
+#include <dm/pinctrl.h>
+#include <dm/uclass-internal.h>
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/grf_rk3399.h>
+#include <asm/arch-rockchip/periph.h>
+#include <asm/arch-rockchip/misc.h>
+#include <power/regulator.h>
+#include <u-boot/sha256.h>
+
+static void setup_iodomain(void)
+{
+ const u32 GRF_IO_VSEL_GPIO4CD_SHIFT = 3;
+ struct rk3399_grf_regs *grf =
+ syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+
+ /*
+ * Set bit 3 in GRF_IO_VSEL so PCIE_RST# works (pin GPIO4_C6).
+ * Linux assumes that PCIE_RST# works out of the box as it probes
+ * PCIe before loading the iodomain driver.
+ */
+ rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_GPIO4CD_SHIFT);
+}
+
+/*
+ * Swap mmc0 and mmc1 in boot_targets if booted from SD-Card.
+ *
+ * If bootsource is uSD-card we can assume that we want to use the
+ * SD-Card instead of the eMMC as first boot_target for distroboot.
+ * We only want to swap the defaults and not any custom environment a
+ * user has set. We exit early if a changed boot_targets environment
+ * is detected.
+ */
+static int setup_boottargets(void)
+{
+ const char *boot_device =
+ ofnode_read_chosen_string("u-boot,spl-boot-device");
+ char *env_default, *env;
+
+ if (!boot_device) {
+ debug("%s: /chosen/u-boot,spl-boot-device not set\n",
+ __func__);
+ return -1;
+ }
+ debug("%s: booted from %s\n", __func__, boot_device);
+
+ env_default = env_get_default("boot_targets");
+ env = env_get("boot_targets");
+ if (!env) {
+ debug("%s: boot_targets does not exist\n", __func__);
+ return -1;
+ }
+ debug("%s: boot_targets current: %s - default: %s\n",
+ __func__, env, env_default);
+
+ if (strcmp(env_default, env) != 0) {
+ debug("%s: boot_targets not default, don't change it\n",
+ __func__);
+ return 0;
+ }
+
+ /*
+ * Only run, if booting from mmc1 (i.e. /mmc@fe320000) and
+ * only consider cases where the default boot-order first
+ * tries to boot from mmc0 (eMMC) and then from mmc1
+ * (i.e. external SD).
+ *
+ * In other words: the SD card will be moved to earlier in the
+ * order, if U-Boot was also loaded from the SD-card.
+ */
+ if (!strcmp(boot_device, "/mmc@fe320000")) {
+ char *mmc0, *mmc1;
+
+ debug("%s: booted from SD-Card\n", __func__);
+ mmc0 = strstr(env, "mmc0");
+ mmc1 = strstr(env, "mmc1");
+
+ if (!mmc0 || !mmc1) {
+ debug("%s: only one mmc boot_target found\n", __func__);
+ return -1;
+ }
+
+ /*
+ * If mmc0 comes first in the boot order, we need to change
+ * the strings to make mmc1 first.
+ */
+ if (mmc0 < mmc1) {
+ mmc0[3] = '1';
+ mmc1[3] = '0';
+ debug("%s: set boot_targets to: %s\n", __func__, env);
+ env_set("boot_targets", env);
+ }
+ }
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ const u32 cpuid_offset = 0x7;
+ const u32 cpuid_length = 0x10;
+ u8 cpuid[cpuid_length];
+ int ret;
+
+ 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;
+
+ ret = rockchip_setup_macaddr();
+ if (ret)
+ return ret;
+
+ setup_iodomain();
+ setup_boottargets();
+
+ return 0;
+}
+
+#ifdef CONFIG_SERIAL_TAG
+void get_board_serial(struct tag_serialnr *serialnr)
+{
+ char *serial_string;
+ u64 serial = 0;
+
+ serial_string = env_get("serial#");
+
+ if (serial_string)
+ serial = simple_strtoull(serial_string, NULL, 16);
+
+ serialnr->high = (u32)(serial >> 32);
+ serialnr->low = (u32)(serial & 0xffffffff);
+}
+#endif