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c12181d9af
- Porting from cosmo code base. - Support clock initialization BRANCH=none BUG=chrome-os-partner:33813 TEST="make buildall -j; Verified on RevA1 Chip" Change-Id: I59e2bb133968d408acde44a3082e1b3b8f4bbbff Signed-off-by: Sheng-Liang Song <ssl@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/236394 Reviewed-by: Bill Richardson <wfrichar@chromium.org>
50 lines
1000 B
C
50 lines
1000 B
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "clock.h"
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#include "registers.h"
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#include "pmu.h"
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void clock_init(void)
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{
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pmu_clock_en(PERIPH_PERI0);
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pmu_clock_en(PERIPH_TIMEHS0);
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pmu_clock_en(PERIPH_TIMEHS1);
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pmu_clock_switch_xo();
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}
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void clock_enable_module(enum module_id module, int enable)
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{
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pmu_clock_func clock_func;
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clock_func = (enable) ? pmu_clock_en : pmu_clock_dis;
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switch (module) {
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case MODULE_UART:
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clock_func(PERIPH_UART0);
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break;
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case MODULE_I2C:
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clock_func(PERIPH_I2C0);
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clock_func(PERIPH_I2C1);
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break;
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case MODULE_SPI_MASTER:
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clock_func(PERIPH_SPI);
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break;
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case MODULE_SPI:
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clock_func(PERIPH_SPS);
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break;
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case MODULE_USB:
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clock_func(PERIPH_USB0);
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clock_func(PERIPH_USB0_USB_PHY);
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pmu_enable_clock_doubler();
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break;
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case MODULE_PMU:
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clock_func(PERIPH_PMU);
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break;
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default:
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break;
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}
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return;
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}
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