mirror of
https://github.com/Telecominfraproject/OpenCellular.git
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ff550b0e1a
Remove assumption of only one SPI master going to the SPI flash. SPI3 can be used as second SPI master. Define a new module type, SPI_FLASH, that can be turned on/off when flash is not in used without impacting other SPI masters. BRANCH=smaug BUG=chrome-os-partner:42304 TEST=Test on Ryu board. Change-Id: Ie72471cea6f0a357ffee055a610d032580a794e7 Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/288514
51 lines
1.0 KiB
C
51 lines
1.0 KiB
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_FLASH:
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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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