diff options
author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-09-16 18:33:11 (GMT) |
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committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-09-18 15:12:26 (GMT) |
commit | 682e09ff9f3514e79ee3382988b74f63b4bdd06b (patch) | |
tree | f0ad6ed0c890bebd7bd627b29be27c1ebd9d64a0 /arch/arm/mach-uniphier/clk/dpll-ld20.c | |
parent | fcc238baee1495ff9796dfc4e13f8069a152e85f (diff) | |
download | u-boot-682e09ff9f3514e79ee3382988b74f63b4bdd06b.tar.xz |
ARM: uniphier: add PLL init code for LD20 SoC
Initialize the DPLL (PLL for DRAM) in SPL, and others in U-Boot
proper. Split the common code into pll-base-ld20.c for easier
re-use.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/arm/mach-uniphier/clk/dpll-ld20.c')
-rw-r--r-- | arch/arm/mach-uniphier/clk/dpll-ld20.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/clk/dpll-ld20.c b/arch/arm/mach-uniphier/clk/dpll-ld20.c new file mode 100644 index 0000000..1132313 --- /dev/null +++ b/arch/arm/mach-uniphier/clk/dpll-ld20.c @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include "../init.h" +#include "../sc64-regs.h" +#include "pll.h" + +int uniphier_ld20_dpll_init(const struct uniphier_board_data *bd) +{ + unsigned int dpll_ssc_rate = UNIPHIER_BD_DPLL_SSC_GET_RATE(bd->flags); + unsigned int dram_freq = bd->dram_freq; + + uniphier_ld20_sscpll_init(SC_DPLL0CTRL, dram_freq, dpll_ssc_rate, 2); + uniphier_ld20_sscpll_init(SC_DPLL1CTRL, dram_freq, dpll_ssc_rate, 2); + uniphier_ld20_sscpll_init(SC_DPLL2CTRL, dram_freq, dpll_ssc_rate, 2); + + return 0; +} |