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Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/ph1-ld4/pll_init.c')
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-ld4/pll_init.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/pll_init.c b/arch/arm/cpu/armv7/uniphier/ph1-ld4/pll_init.c
deleted file mode 100644
index b83582fee7..0000000000
--- a/arch/arm/cpu/armv7/uniphier/ph1-ld4/pll_init.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * Copyright (C) 2011-2014 Panasonic Corporation
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/sc-regs.h>
-#include <asm/arch/sg-regs.h>
-
-#undef DPLL_SSC_RATE_1PER
-
-static void dpll_init(void)
-{
- u32 tmp;
-
- /*
- * Set Frequency
- * Set 0xc(1600MHz)/0xd(1333MHz)/0xe(1066MHz)
- * to FOUT (DPLLCTRL.bit[29:20])
- */
- tmp = readl(SC_DPLLCTRL);
- tmp &= ~0x000f0000;
-#if CONFIG_DDR_FREQ == 1600
- tmp |= 0x000c0000;
-#elif CONFIG_DDR_FREQ == 1333
- tmp |= 0x000d0000;
-#else
-# error "Unknown frequency"
-#endif
-
-#if defined(DPLL_SSC_RATE_1PER)
- tmp &= ~SC_DPLLCTRL_SSC_RATE;
-#else
- tmp |= SC_DPLLCTRL_SSC_RATE;
-#endif
- writel(tmp, SC_DPLLCTRL);
-
- tmp = readl(SC_DPLLCTRL2);
- tmp |= SC_DPLLCTRL2_NRSTDS;
- writel(tmp, SC_DPLLCTRL2);
-}
-
-static void upll_init(void)
-{
- u32 tmp, clk_mode_upll, clk_mode_axosel;
-
- tmp = readl(SG_PINMON0);
- clk_mode_upll = tmp & SG_PINMON0_CLK_MODE_UPLLSRC_MASK;
- clk_mode_axosel = tmp & SG_PINMON0_CLK_MODE_AXOSEL_MASK;
-
- /* set 0 to SNRT(UPLLCTRL.bit28) and K_LD(UPLLCTRL.bit[27]) */
- tmp = readl(SC_UPLLCTRL);
- tmp &= ~0x18000000;
- writel(tmp, SC_UPLLCTRL);
-
- if (clk_mode_upll == SG_PINMON0_CLK_MODE_UPLLSRC_DEFAULT) {
- if (clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_U ||
- clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A) {
- /* AXO: 25MHz */
- tmp &= ~0x07ffffff;
- tmp |= 0x0228f5c0;
- } else {
- /* AXO: default 24.576MHz */
- tmp &= ~0x07ffffff;
- tmp |= 0x02328000;
- }
- }
-
- writel(tmp, SC_UPLLCTRL);
-
- /* set 1 to K_LD(UPLLCTRL.bit[27]) */
- tmp |= 0x08000000;
- writel(tmp, SC_UPLLCTRL);
-
- /* wait 10 usec */
- udelay(10);
-
- /* set 1 to SNRT(UPLLCTRL.bit[28]) */
- tmp |= 0x10000000;
- writel(tmp, SC_UPLLCTRL);
-}
-
-static void vpll_init(void)
-{
- u32 tmp, clk_mode_axosel;
-
- tmp = readl(SG_PINMON0);
- clk_mode_axosel = tmp & SG_PINMON0_CLK_MODE_AXOSEL_MASK;
-
- /* set 1 to VPLA27WP and VPLA27WP */
- tmp = readl(SC_VPLL27ACTRL);
- tmp |= 0x00000001;
- writel(tmp, SC_VPLL27ACTRL);
- tmp = readl(SC_VPLL27BCTRL);
- tmp |= 0x00000001;
- writel(tmp, SC_VPLL27BCTRL);
-
- /* Set 0 to VPLA_K_LD and VPLB_K_LD */
- tmp = readl(SC_VPLL27ACTRL3);
- tmp &= ~0x10000000;
- writel(tmp, SC_VPLL27ACTRL3);
- tmp = readl(SC_VPLL27BCTRL3);
- tmp &= ~0x10000000;
- writel(tmp, SC_VPLL27BCTRL3);
-
- /* Set 0 to VPLA_SNRST and VPLB_SNRST */
- tmp = readl(SC_VPLL27ACTRL2);
- tmp &= ~0x10000000;
- writel(tmp, SC_VPLL27ACTRL2);
- tmp = readl(SC_VPLL27BCTRL2);
- tmp &= ~0x10000000;
- writel(tmp, SC_VPLL27BCTRL2);
-
- /* Set 0x20 to VPLA_SNRST and VPLB_SNRST */
- tmp = readl(SC_VPLL27ACTRL2);
- tmp &= ~0x0000007f;
- tmp |= 0x00000020;
- writel(tmp, SC_VPLL27ACTRL2);
- tmp = readl(SC_VPLL27BCTRL2);
- tmp &= ~0x0000007f;
- tmp |= 0x00000020;
- writel(tmp, SC_VPLL27BCTRL2);
-
- if (clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_U ||
- clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A) {
- /* AXO: 25MHz */
- tmp = readl(SC_VPLL27ACTRL3);
- tmp &= ~0x000fffff;
- tmp |= 0x00066664;
- writel(tmp, SC_VPLL27ACTRL3);
- tmp = readl(SC_VPLL27BCTRL3);
- tmp &= ~0x000fffff;
- tmp |= 0x00066664;
- writel(tmp, SC_VPLL27BCTRL3);
- } else {
- /* AXO: default 24.576MHz */
- tmp = readl(SC_VPLL27ACTRL3);
- tmp &= ~0x000fffff;
- tmp |= 0x000f5800;
- writel(tmp, SC_VPLL27ACTRL3);
- tmp = readl(SC_VPLL27BCTRL3);
- tmp &= ~0x000fffff;
- tmp |= 0x000f5800;
- writel(tmp, SC_VPLL27BCTRL3);
- }
-
- /* Set 1 to VPLA_K_LD and VPLB_K_LD */
- tmp = readl(SC_VPLL27ACTRL3);
- tmp |= 0x10000000;
- writel(tmp, SC_VPLL27ACTRL3);
- tmp = readl(SC_VPLL27BCTRL3);
- tmp |= 0x10000000;
- writel(tmp, SC_VPLL27BCTRL3);
-
- /* wait 10 usec */
- udelay(10);
-
- /* Set 0 to VPLA_SNRST and VPLB_SNRST */
- tmp = readl(SC_VPLL27ACTRL2);
- tmp |= 0x10000000;
- writel(tmp, SC_VPLL27ACTRL2);
- tmp = readl(SC_VPLL27BCTRL2);
- tmp |= 0x10000000;
- writel(tmp, SC_VPLL27BCTRL2);
-
- /* set 0 to VPLA27WP and VPLA27WP */
- tmp = readl(SC_VPLL27ACTRL);
- tmp &= ~0x00000001;
- writel(tmp, SC_VPLL27ACTRL);
- tmp = readl(SC_VPLL27BCTRL);
- tmp |= ~0x00000001;
- writel(tmp, SC_VPLL27BCTRL);
-}
-
-void pll_init(void)
-{
- dpll_init();
- upll_init();
- vpll_init();
-
- /*
- * Wait 500 usec until dpll get stable
- * We wait 10 usec in upll_init() and vpll_init()
- * so 20 usec can be saved here.
- */
- udelay(480);
-}