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[U-Boot,3/6] ARM: uniphier: add PLL settings for PXs3

Message ID 1503737883-14236-4-git-send-email-yamada.masahiro@socionext.com
State Accepted
Commit 4914a68de79bc5879f4ee7f0abc5d796f88167f1
Delegated to: Masahiro Yamada
Headers show

Commit Message

Masahiro Yamada Aug. 26, 2017, 8:58 a.m. UTC 
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 arch/arm/mach-uniphier/clk/pll-pxs3.c | 55 +++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
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Patch

diff --git a/arch/arm/mach-uniphier/clk/pll-pxs3.c b/arch/arm/mach-uniphier/clk/pll-pxs3.c
index 201d3517a86a..e84d52b80f3b 100644
--- a/arch/arm/mach-uniphier/clk/pll-pxs3.c
+++ b/arch/arm/mach-uniphier/clk/pll-pxs3.c
@@ -1,9 +1,64 @@ 
 /*
+ * Copyright (C) 2017 Socionext Inc.
+ *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
+#include <linux/delay.h>
+
 #include "../init.h"
+#include "../sc64-regs.h"
+#include "pll.h"
+
+/* PLL type: SSC */
+#define SC_CPLLCTRL	(SC_BASE_ADDR | 0x1400)	/* CPU/ARM */
+#define SC_SPLLCTRL	(SC_BASE_ADDR | 0x1410)	/* misc */
+#define SC_SPLL2CTRL	(SC_BASE_ADDR | 0x1420)	/* DSP */
+#define SC_VPPLLCTRL	(SC_BASE_ADDR | 0x1430)	/* VPE */
+#define SC_VGPLLCTRL	(SC_BASE_ADDR | 0x1440)
+#define SC_DECPLLCTRL	(SC_BASE_ADDR | 0x1450)
+#define SC_ENCPLLCTRL	(SC_BASE_ADDR | 0x1460)
+#define SC_PXFPLLCTRL	(SC_BASE_ADDR | 0x1470)
+#define SC_DPLL0CTRL	(SC_BASE_ADDR | 0x1480)	/* DDR memory 0 */
+#define SC_DPLL1CTRL	(SC_BASE_ADDR | 0x1490)	/* DDR memory 1 */
+#define SC_DPLL2CTRL	(SC_BASE_ADDR | 0x14a0)	/* DDR memory 2 */
+#define SC_VSPLLCTRL	(SC_BASE_ADDR | 0x14c0)
+
+/* PLL type: VPLL27 */
+#define SC_VPLL27FCTRL	(SC_BASE_ADDR | 0x1500)
+#define SC_VPLL27ACTRL	(SC_BASE_ADDR | 0x1520)
+
+/* PLL type: DSPLL */
+#define SC_VPLL8KCTRL	(SC_BASE_ADDR | 0x1540)
 
 void uniphier_pxs3_pll_init(void)
 {
+	uniphier_ld20_sscpll_init(SC_CPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
+	/* do nothing for SPLL */
+	uniphier_ld20_sscpll_init(SC_SPLL2CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
+	uniphier_ld20_sscpll_init(SC_VPPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
+	uniphier_ld20_sscpll_init(SC_VGPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
+	uniphier_ld20_sscpll_init(SC_DECPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
+	uniphier_ld20_sscpll_init(SC_ENCPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
+	uniphier_ld20_sscpll_init(SC_PXFPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
+	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_SPLL2CTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_VPPLLCTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_VGPLLCTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_DECPLLCTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_ENCPLLCTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_PXFPLLCTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_DPLL0CTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_DPLL1CTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_DPLL2CTRL);
+	uniphier_ld20_sscpll_ssc_en(SC_VSPLLCTRL);
+
+	uniphier_ld20_vpll27_init(SC_VPLL27FCTRL);
+	uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
+
+	uniphier_ld20_dspll_init(SC_VPLL8KCTRL);
 }