- Initialize PLLs (SPL initializes only DPLL to save the precious
SPL memory footprint)
- Adjust CPLL/MPLL to the final tape-out frequency
- Accelerate the Cortex-A53 clock to the maximum frequency since
it is running at 500MHz (SPLL/4) on startup
Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---
arch/arm/mach-uniphier/board_init.c | 1 +
arch/arm/mach-uniphier/clk/Makefile | 5 +++--
arch/arm/mach-uniphier/clk/dpll-ld11.c | 16 ++++++++++++++++
arch/arm/mach-uniphier/clk/pll-ld11.c | 32 ++++++++++++++++++++++++++++++++
arch/arm/mach-uniphier/init.h | 2 ++
arch/arm/mach-uniphier/init/init-ld11.c | 6 ++++--
arch/arm/mach-uniphier/sc64-regs.h | 16 +++++++++++++---
7 files changed, 71 insertions(+), 7 deletions(-)
create mode 100644 arch/arm/mach-uniphier/clk/dpll-ld11.c
create mode 100644 arch/arm/mach-uniphier/clk/pll-ld11.c
diff --git a/arch/arm/mach-uniphier/board_init.c
b/arch/arm/mach-uniphier/board_init.c
index b57a33f..b9be52f 100644
--- a/arch/arm/mach-uniphier/board_init.c
+++ b/arch/arm/mach-uniphier/board_init.c
@@ -128,6 +128,7 @@ int board_init(void)
sg_set_pinsel(153, 14, 8, 4); /* XIRQ4 -> XIRQ4 */
sg_set_iectrl(153);
led_puts("U1");
+ uniphier_ld11_pll_init();
uniphier_ld11_clk_init();
break;
#endif
diff --git a/arch/arm/mach-uniphier/clk/Makefile
b/arch/arm/mach-uniphier/clk/Makefile
index c8d59ea..95f433e 100644
--- a/arch/arm/mach-uniphier/clk/Makefile
+++ b/arch/arm/mach-uniphier/clk/Makefile
@@ -11,7 +11,7 @@ obj-$(CONFIG_ARCH_UNIPHIER_SLD8) += early-clk-ld4.o
dpll-sld8.o
obj-$(CONFIG_ARCH_UNIPHIER_PRO5) += early-clk-pro5.o
obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += early-clk-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += early-clk-pxs2.o
-obj-$(CONFIG_ARCH_UNIPHIER_LD11) += early-clk-ld11.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD11) += early-clk-ld11.o dpll-ld11.o
obj-$(CONFIG_ARCH_UNIPHIER_LD20) += early-clk-ld20.o dpll-ld20.o
else
@@ -23,9 +23,10 @@ obj-$(CONFIG_ARCH_UNIPHIER_SLD8) += clk-ld4.o pll-ld4.o
dpll-tail.o
obj-$(CONFIG_ARCH_UNIPHIER_PRO5) += clk-pro5.o
obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += clk-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += clk-pxs2.o
-obj-$(CONFIG_ARCH_UNIPHIER_LD11) += clk-ld11.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD11) += clk-ld11.o pll-ld11.o
obj-$(CONFIG_ARCH_UNIPHIER_LD20) += clk-ld20.o pll-ld20.o
endif
+obj-$(CONFIG_ARCH_UNIPHIER_LD11) += pll-base-ld20.o
obj-$(CONFIG_ARCH_UNIPHIER_LD20) += pll-base-ld20.o
diff --git a/arch/arm/mach-uniphier/clk/dpll-ld11.c
b/arch/arm/mach-uniphier/clk/dpll-ld11.c
new file mode 100644
index 0000000..7f0677c
--- /dev/null
+++ b/arch/arm/mach-uniphier/clk/dpll-ld11.c
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "../init.h"
+#include "../sc64-regs.h"
+#include "pll.h"
+
+int uniphier_ld11_dpll_init(const struct uniphier_board_data *bd)
+{
+ uniphier_ld20_sscpll_init(SC_DPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
+
+ return 0;
+}
diff --git a/arch/arm/mach-uniphier/clk/pll-ld11.c
b/arch/arm/mach-uniphier/clk/pll-ld11.c
new file mode 100644
index 0000000..8a4a748
--- /dev/null
+++ b/arch/arm/mach-uniphier/clk/pll-ld11.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/io.h>
+
+#include "../init.h"
+#include "../sc64-regs.h"
+#include "pll.h"
+
+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);
+
+ 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_vpll27_init(SC_VPLL27FCTRL);
+ uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
+
+ writel(0, SC_CA53_GEARSET); /* Gear0: CPLL/2 */
+ writel(SC_CA_GEARUPD, SC_CA53_GEARUPD);
+}
diff --git a/arch/arm/mach-uniphier/init.h b/arch/arm/mach-uniphier/init.h
index 5c7cd6b..4e3bee1 100644
--- a/arch/arm/mach-uniphier/init.h
+++ b/arch/arm/mach-uniphier/init.h
@@ -87,6 +87,7 @@ int uniphier_sld3_dpll_init(const struct uniphier_board_data
*bd);
int uniphier_ld4_dpll_init(const struct uniphier_board_data *bd);
int uniphier_pro4_dpll_init(const struct uniphier_board_data *bd);
int uniphier_sld8_dpll_init(const struct uniphier_board_data *bd);
+int uniphier_ld11_dpll_init(const struct uniphier_board_data *bd);
int uniphier_ld20_dpll_init(const struct uniphier_board_data *bd);
int uniphier_ld4_early_clk_init(const struct uniphier_board_data *bd);
@@ -105,6 +106,7 @@ int uniphier_ld11_umc_init(const struct uniphier_board_data
*bd);
void uniphier_sld3_pll_init(void);
void uniphier_ld4_pll_init(void);
void uniphier_pro4_pll_init(void);
+void uniphier_ld11_pll_init(void);
int uniphier_ld20_pll_init(const struct uniphier_board_data *bd);
void uniphier_ld4_clk_init(void);
diff --git a/arch/arm/mach-uniphier/init/init-ld11.c
b/arch/arm/mach-uniphier/init/init-ld11.c
index 758df8d..e324c94 100644
--- a/arch/arm/mach-uniphier/init/init-ld11.c
+++ b/arch/arm/mach-uniphier/init/init-ld11.c
@@ -31,12 +31,14 @@ int uniphier_ld11_init(const struct uniphier_board_data *bd)
led_puts("L2");
- led_puts("L3");
-
#ifdef CONFIG_SPL_SERIAL_SUPPORT
preloader_console_init();
#endif
+ led_puts("L3");
+
+ uniphier_ld11_dpll_init(bd);
+
led_puts("L4");
{
diff --git a/arch/arm/mach-uniphier/sc64-regs.h
b/arch/arm/mach-uniphier/sc64-regs.h
index 1e52bb1..780fdd1 100644
--- a/arch/arm/mach-uniphier/sc64-regs.h
+++ b/arch/arm/mach-uniphier/sc64-regs.h
@@ -13,12 +13,14 @@
#define SC_BASE_ADDR 0x61840000
/* PLL type: SSC */
-#define SC_CPLLCTRL (SC_BASE_ADDR | 0x1400) /* LD20: CPU/ARM */
-#define SC_SPLLCTRL (SC_BASE_ADDR | 0x1410) /* LD20: misc */
+#define SC_CPLLCTRL (SC_BASE_ADDR | 0x1400) /* LD11/20: CPU/ARM */
+#define SC_SPLLCTRL (SC_BASE_ADDR | 0x1410) /* LD11/20: misc */
#define SC_SPLL2CTRL (SC_BASE_ADDR | 0x1420) /* LD20: IPP */
-#define SC_MPLLCTRL (SC_BASE_ADDR | 0x1430) /* LD20: Video codec */
+#define SC_MPLLCTRL (SC_BASE_ADDR | 0x1430) /* LD11/20: Video codec */
+#define SC_VSPLLCTRL (SC_BASE_ADDR | 0x1440) /* LD11 */
#define SC_VPPLLCTRL (SC_BASE_ADDR | 0x1440) /* LD20: VPE etc. */
#define SC_GPPLLCTRL (SC_BASE_ADDR | 0x1450) /* LD20: GPU/Mali */
+#define SC_DPLLCTRL (SC_BASE_ADDR | 0x1460) /* LD11: DDR memory */
#define SC_DPLL0CTRL (SC_BASE_ADDR | 0x1460) /* LD20: DDR memory 0 */
#define SC_DPLL1CTRL (SC_BASE_ADDR | 0x1470) /* LD20: DDR memory 1 */
#define SC_DPLL2CTRL (SC_BASE_ADDR | 0x1480) /* LD20: DDR memory 2 */
@@ -61,4 +63,12 @@
#define SC_CLKCTRL7_UMC31 (1 << 1)
#define SC_CLKCTRL7_UMC30 (1 << 0)
+#define SC_CA72_GEARST (SC_BASE_ADDR | 0x8080)
+#define SC_CA72_GEARSET (SC_BASE_ADDR | 0x8084)
+#define SC_CA72_GEARUPD (SC_BASE_ADDR | 0x8088)
+#define SC_CA53_GEARST (SC_BASE_ADDR | 0x8080)
+#define SC_CA53_GEARSET (SC_BASE_ADDR | 0x8084)
+#define SC_CA53_GEARUPD (SC_BASE_ADDR | 0x8088)
+#define SC_CA_GEARUPD (1 << 0)
+
#endif /* SC64_REGS_H */
--
1.9.1
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