rockchip: add px30 architecture core
Add core architecture code to support the px30 soc.
This includes a separate tpl board file due to very limited
sram size as well as a non-dm sdram driver, as this also has
to fit into the tiny sram.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/px30/syscon_px30.c b/arch/arm/mach-rockchip/px30/syscon_px30.c
new file mode 100644
index 0000000..0331491
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/syscon_px30.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+
+static const struct udevice_id px30_syscon_ids[] = {
+ { .compatible = "rockchip,px30-pmu", .data = ROCKCHIP_SYSCON_PMU },
+ { .compatible = "rockchip,px30-pmugrf", .data = ROCKCHIP_SYSCON_PMUGRF },
+ { .compatible = "rockchip,px30-grf", .data = ROCKCHIP_SYSCON_GRF },
+ { }
+};
+
+U_BOOT_DRIVER(syscon_px30) = {
+ .id = UCLASS_SYSCON,
+ .name = "px30_syscon",
+ .of_match = px30_syscon_ids,
+};
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+static int px30_syscon_bind_of_platdata(struct udevice *dev)
+{
+ dev->driver_data = dev->driver->of_match->data;
+ debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
+
+ return 0;
+}
+
+U_BOOT_DRIVER(rockchip_px30_pmu) = {
+ .name = "rockchip_px30_pmu",
+ .id = UCLASS_SYSCON,
+ .of_match = px30_syscon_ids,
+ .bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_pmugrf) = {
+ .name = "rockchip_px30_pmugrf",
+ .id = UCLASS_SYSCON,
+ .of_match = px30_syscon_ids + 1,
+ .bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_grf) = {
+ .name = "rockchip_px30_grf",
+ .id = UCLASS_SYSCON,
+ .of_match = px30_syscon_ids + 2,
+ .bind = px30_syscon_bind_of_platdata,
+};
+#endif