diff options
Diffstat (limited to 'zephyr/shim/chip/npcx/clock.c')
-rw-r--r-- | zephyr/shim/chip/npcx/clock.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/zephyr/shim/chip/npcx/clock.c b/zephyr/shim/chip/npcx/clock.c deleted file mode 100644 index 8c8bad5596..0000000000 --- a/zephyr/shim/chip/npcx/clock.c +++ /dev/null @@ -1,69 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include <device.h> -#include <drivers/clock_control.h> -#include <dt-bindings/clock/npcx_clock.h> -#include <kernel.h> -#include <logging/log.h> -#include <soc.h> -#include <zephyr.h> - -#include "clock_chip.h" -#include "module_id.h" - -LOG_MODULE_REGISTER(shim_clock, LOG_LEVEL_ERR); - -#define CDCG_NODE DT_INST(0, nuvoton_npcx_pcc) -#define HAL_CDCG_REG_BASE_ADDR \ - ((struct cdcg_reg *)DT_REG_ADDR_BY_IDX(CDCG_NODE, 1)) - -int clock_get_freq(void) -{ - const struct device *clk_dev = DEVICE_DT_GET(NPCX_CLK_CTRL_NODE); - const struct npcx_clk_cfg clk_cfg = { - .bus = NPCX_CLOCK_BUS_CORE, - }; - uint32_t rate; - - if (clock_control_get_rate(clk_dev, (clock_control_subsys_t *)&clk_cfg, - &rate) != 0) { - LOG_ERR("Get %s clock rate error", clk_dev->name); - return -EIO; - } - - return rate; -} - -void clock_turbo(void) -{ - struct cdcg_reg *const cdcg_base = HAL_CDCG_REG_BASE_ADDR; - - /* For NPCX7: - * Increase CORE_CLK (CPU) as the same as OSC_CLK. Since - * CORE_CLK > 66MHz, we also need to set AHB6DIV and FIUDIV as 1. - */ - cdcg_base->HFCGP = 0x01; - cdcg_base->HFCBCD = BIT(4); -} - -void clock_normal(void) -{ - struct cdcg_reg *const cdcg_base = HAL_CDCG_REG_BASE_ADDR; - - cdcg_base->HFCGP = ((FPRED_VAL << 4) | AHB6DIV_VAL); - cdcg_base->HFCBCD = (FIUDIV_VAL << 4); -} - -void clock_enable_module(enum module_id module, int enable) -{ - /* Assume we have a single task using MODULE_FAST_CPU */ - if (module == MODULE_FAST_CPU) { - if (enable) - clock_turbo(); - else - clock_normal(); - } -} |