aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld11.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/arch/arm/mach-uniphier/clk/pll-ld11.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld11.c')
-rw-r--r--roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld11.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld11.c b/roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld11.c
new file mode 100644
index 000000000..7f07e3e92
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld11.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ */
+
+#include <linux/delay.h>
+#include <linux/io.h>
+
+#include "../init.h"
+#include "../sc64-regs.h"
+#include "pll.h"
+
+/* PLL type: SSC */
+#define SC_CPLLCTRL 0x1400 /* CPU/ARM */
+#define SC_SPLLCTRL 0x1410 /* misc */
+#define SC_MPLLCTRL 0x1430 /* DSP */
+#define SC_VSPLLCTRL 0x1440 /* Video codec, VPE etc. */
+#define SC_DPLLCTRL 0x1460 /* DDR memory */
+
+/* PLL type: VPLL27 */
+#define SC_VPLL27FCTRL 0x1500
+#define SC_VPLL27ACTRL 0x1520
+
+void uniphier_ld11_pll_init(void)
+{
+ uniphier_ld20_sscpll_init(SC_CPLLCTRL, 1960, 1, 2); /* 2000MHz -> 1960MHz */
+ /* do nothing for SPLL */
+ uniphier_ld20_sscpll_init(SC_MPLLCTRL, 1600, 1, 2); /* 1500MHz -> 1600MHz */
+ uniphier_ld20_sscpll_init(SC_VSPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
+
+ uniphier_ld20_sscpll_set_regi(SC_MPLLCTRL, 5);
+
+ mdelay(1);
+
+ uniphier_ld20_sscpll_ssc_en(SC_CPLLCTRL);
+ uniphier_ld20_sscpll_ssc_en(SC_MPLLCTRL);
+ uniphier_ld20_sscpll_ssc_en(SC_VSPLLCTRL);
+ uniphier_ld20_sscpll_ssc_en(SC_DPLLCTRL);
+
+ uniphier_ld20_vpll27_init(SC_VPLL27FCTRL);
+ uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
+
+ writel(0, sc_base + SC_CA53_GEARSET); /* Gear0: CPLL/2 */
+ writel(SC_CA_GEARUPD, sc_base + SC_CA53_GEARUPD);
+}