diff options
Diffstat (limited to 'roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld20.c')
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld20.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld20.c b/roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld20.c new file mode 100644 index 000000000..04b3312a2 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/clk/pll-ld20.c @@ -0,0 +1,57 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <linux/delay.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_SPLL2CTRL 0x1420 /* DSP */ +#define SC_MPLLCTRL 0x1430 /* Video codec */ +#define SC_VPPLLCTRL 0x1440 /* VPE etc. */ +#define SC_GPPLLCTRL 0x1450 /* GPU/Mali */ +#define SC_DPLL0CTRL 0x1460 /* DDR memory 0 */ +#define SC_DPLL1CTRL 0x1470 /* DDR memory 1 */ +#define SC_DPLL2CTRL 0x1480 /* DDR memory 2 */ + +/* PLL type: VPLL27 */ +#define SC_VPLL27FCTRL 0x1500 +#define SC_VPLL27ACTRL 0x1520 + +/* PLL type: DSPLL */ +#define SC_VPLL8KCTRL 0x1540 +#define SC_A2PLLCTRL 0x15C0 + +void uniphier_ld20_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_MPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2); + uniphier_ld20_sscpll_init(SC_VPPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4); + uniphier_ld20_sscpll_init(SC_GPPLLCTRL, 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_MPLLCTRL); + uniphier_ld20_sscpll_ssc_en(SC_VPPLLCTRL); + uniphier_ld20_sscpll_ssc_en(SC_GPPLLCTRL); + uniphier_ld20_sscpll_ssc_en(SC_DPLL0CTRL); + uniphier_ld20_sscpll_ssc_en(SC_DPLL1CTRL); + uniphier_ld20_sscpll_ssc_en(SC_DPLL2CTRL); + + uniphier_ld20_vpll27_init(SC_VPLL27FCTRL); + uniphier_ld20_vpll27_init(SC_VPLL27ACTRL); + + uniphier_ld20_dspll_init(SC_VPLL8KCTRL); + uniphier_ld20_dspll_init(SC_A2PLLCTRL); +} |