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Diffstat (limited to 'roms/u-boot/arch/arm/mach-socfpga/wrap_pll_config_soc64.c')
-rw-r--r--roms/u-boot/arch/arm/mach-socfpga/wrap_pll_config_soc64.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-socfpga/wrap_pll_config_soc64.c b/roms/u-boot/arch/arm/mach-socfpga/wrap_pll_config_soc64.c
new file mode 100644
index 000000000..6a0d6b5ea
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-socfpga/wrap_pll_config_soc64.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#include <common.h>
+#include <asm/arch/clock_manager.h>
+#include <asm/io.h>
+#include <asm/arch/handoff_soc64.h>
+#include <asm/arch/system_manager.h>
+
+const struct cm_config * const cm_get_default_config(void)
+{
+#ifdef CONFIG_SPL_BUILD
+ struct cm_config *cm_handoff_cfg = (struct cm_config *)
+ (SOC64_HANDOFF_CLOCK + SOC64_HANDOFF_OFFSET_DATA);
+ u32 *conversion = (u32 *)cm_handoff_cfg;
+ u32 i;
+ u32 handoff_clk = readl(SOC64_HANDOFF_CLOCK);
+
+ if (swab32(handoff_clk) == SOC64_HANDOFF_MAGIC_CLOCK) {
+ writel(swab32(handoff_clk), SOC64_HANDOFF_CLOCK);
+ for (i = 0; i < (sizeof(*cm_handoff_cfg) / sizeof(u32)); i++)
+ conversion[i] = swab32(conversion[i]);
+ return cm_handoff_cfg;
+ } else if (handoff_clk == SOC64_HANDOFF_MAGIC_CLOCK) {
+ return cm_handoff_cfg;
+ }
+#endif
+ return NULL;
+}
+
+const unsigned int cm_get_osc_clk_hz(void)
+{
+#ifdef CONFIG_SPL_BUILD
+
+ u32 clock = readl(SOC64_HANDOFF_CLOCK_OSC);
+
+ writel(clock,
+ socfpga_get_sysmgr_addr() + SYSMGR_SOC64_BOOT_SCRATCH_COLD1);
+#endif
+ return readl(socfpga_get_sysmgr_addr() +
+ SYSMGR_SOC64_BOOT_SCRATCH_COLD1);
+}
+
+const unsigned int cm_get_intosc_clk_hz(void)
+{
+ return CLKMGR_INTOSC_HZ;
+}
+
+const unsigned int cm_get_fpga_clk_hz(void)
+{
+#ifdef CONFIG_SPL_BUILD
+ u32 clock = readl(SOC64_HANDOFF_CLOCK_FPGA);
+
+ writel(clock,
+ socfpga_get_sysmgr_addr() + SYSMGR_SOC64_BOOT_SCRATCH_COLD2);
+#endif
+ return readl(socfpga_get_sysmgr_addr() +
+ SYSMGR_SOC64_BOOT_SCRATCH_COLD2);
+}