diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-08-26 17:58:00 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-08-30 09:03:11 +0900 |
| commit | 4914a68de79bc5879f4ee7f0abc5d796f88167f1 (patch) | |
| tree | 38c5d65d8cc5ff83105e64d14d998c28c288f17b | |
| parent | a55957b9ad0b912b9e0f705ed64e42274be05276 (diff) | |
ARM: uniphier: add PLL settings for PXs3
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| -rw-r--r-- | arch/arm/mach-uniphier/clk/pll-pxs3.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/clk/pll-pxs3.c b/arch/arm/mach-uniphier/clk/pll-pxs3.c index 201d3517a86..e84d52b80f3 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); } |