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f23f45e74e4c0aff7116a832556d194747997ffe
OpenCellular/include
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Vincent Palatin f23f45e74e cortex-m: enable I-cache on ARMv7-M 
The ARMv7-M ISA defines standard (and optional) mechanism to manage the
CPU caches through the SCB (System Control Block) registers.
So far, only the Cortex-M7 core implements such as a mechanism (e.g. the
Cortex-M4 with caches we have are using a proprietary mechanism for the
management).

Define the functions to use the I-Cache,
and enable them on STM32H7 which is our only supported Cortex-M7 core.

The D-Cache mechanism is still To Be Done, as it involves a bit more
support in the firmware for the DMA memory areas.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=b:67081508
TEST=on ZerbleBarn, verify manually that the 'IC' bit is set in the CCR
(e.g. 'rw 0xe000ed14' returns 0x60218), and runs some CPU workload
without crash and with a speed-up.

Change-Id: I6af1021d65048b787630387f7d95797db15d069c
Reviewed-on: https://chromium-review.googlesource.com/943445
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2018-03-02 06:49:06 -08:00
..
2id.h
rwsig: Add support for rwsig image types
2017-02-17 04:09:37 -08:00
accelgyro.h
motion_sense: Add "spoof" mode
2017-01-07 13:29:52 -08:00
acpi.h
Move ACPI stuff out of chip/lm4 and into common
2013-12-12 18:21:56 +00:00
adc.h
servo_v4: Fix ADC console command
2016-05-26 16:17:26 -07:00
als.h
ALS: Disable the ALS task if all the ALS inits fail
2015-10-02 12:55:51 -07:00
ap_hang_detect.h
Add AP hang detection
2013-12-17 21:27:53 +00:00
backlight.h
backlight: Adding support for active low GPIO signal
2018-01-18 05:09:37 -08:00
base32.h
common: Substitute modified CRC8 with CRC-5-USB
2017-09-12 16:17:03 -07:00
battery_bq27621_g1.h
battery: Add support for TI's BQ27621_g1 fuel gauge.
2014-12-31 00:01:00 +00:00
battery_smart.h
Basking: Fix cannot power on when resume from battery cutoff.
2017-01-13 05:00:27 -08:00
battery.h
battery: Allow 2 batteries to be fetched via ACPI
2018-02-09 07:55:33 -08:00
bluetooth_le_ll.h
btle: Accepts and maintains connections
2016-08-23 15:36:55 -07:00
bluetooth_le.h
btle: Timeout of ble_rx now based on chip time
2016-08-12 20:49:45 -07:00
board_config.h
ec_features / coral: Allow disabling keyboard backlight feature
2017-08-30 03:58:28 -07:00
btle_hci2.h
include: Add HCI include files from NewBlue
2016-07-22 20:37:17 -07:00
btle_hci_int.h
include/btle_hcl_int.h: Fix misspellings in #defines and struct name
2016-11-15 17:41:58 -08:00
button.h
buttons: Make buttons[] common.
2017-11-17 20:18:38 -08:00
byteorder.h
Move include/byteorder.h -> builtin/endian.h
2016-04-22 20:40:03 -07:00
capsense.h
Samus: Support capsense input as keyboard events.
2014-02-08 04:15:39 +00:00
case_closed_debug.h
pd: Remove ACCESSORY states
2017-10-19 12:56:42 -07:00
ccd_config.h
cr50: Add SPI hashing command
2018-02-08 23:42:33 -08:00
charge_manager.h
charge_manager: Add EC_CMD_OVERRIDE_DEDICATED_CHARGER_LIMIT
2017-11-28 10:22:27 -08:00
charge_ramp.h
chg_ramp: Add charge_is_consuming_full_input_current().
2017-11-01 16:47:21 -07:00
charge_state_v1.h
Move common charge_state time constants to a common header
2014-04-11 15:37:38 +00:00
charge_state_v2.h
charge_state_v2: Basic dual-battery charging algorithm
2018-01-26 13:25:38 -08:00
charge_state.h
charge_state: Change CHARGE_MAX_SLEEP_USEC to 1 minute
2017-11-30 20:30:11 -08:00
charger_detect.h
lucid: add support to detect BC1.2 suppliers
2016-02-26 21:22:07 -08:00
charger_profile_override.h
charger_profile: support multiple battery voltage range thresholds
2017-02-10 19:02:55 -08:00
charger.h
charger/isl923x: Implement charger_get_system_power from PSYS
2018-01-10 06:02:13 -08:00
chipset.h
Fizz: Execute PMIC reset before vboot_main
2018-02-08 12:58:20 -08:00
clock.h
stm32: Add delay after enabling peripheral clock
2015-02-10 10:47:07 +00:00
common.h
npcx7: WoV: Add support for Wake-on-Voice (WoV) module
2018-02-28 15:21:13 -08:00
compile_time_macros.h
usb_update: Add handler for pairing challenge command
2017-06-15 07:07:40 -07:00
config_std_internal_flash.h
cleanup: Remove CONFIG_FW_IMAGE_SIZE
2015-09-24 18:07:01 -07:00
config.h
cortex-m: enable I-cache on ARMv7-M
2018-03-02 06:49:06 -08:00
console_channel.inc
npcx7: WoV: Add support for Wake-on-Voice (WoV) module
2018-02-28 15:21:13 -08:00
console.h
g: fix build without CONFIG_RESTRICTED_CONSOLE_COMMANDS
2017-05-10 07:08:31 -07:00
consumer.h
consumer: Remove flush operation
2017-12-18 20:32:58 -08:00
crc8.h
crc8: Support crc calculation across non-contiguous data
2016-03-18 22:16:53 -07:00
crc.h
ec: add crc32_ctx..() to take context parameter.
2018-02-23 23:13:01 -08:00
cros_board_info.h
CBI: Share common code between host tool and firmware
2018-02-23 03:36:35 -08:00
crypto_api.h
g: common: introduce generic crypto API
2017-01-25 22:12:28 -08:00
curve25519.h
core/cortex-m0/curve25519: Integrate fast curve25519 implementation
2017-07-03 21:44:34 -07:00
device_event.h
Add support for reporting device events
2017-06-30 03:08:42 -07:00
device_state.h
cr50: Refactor Rdd state machine
2017-08-23 17:01:21 -07:00
dma.h
common: Change interface to dma_test
2015-07-27 22:19:16 +00:00
dptf.h
Support DPTF charger current limiting
2014-02-08 00:14:48 +00:00
ec_commands.h
CBI: Make data offset and size variable
2018-02-16 18:47:52 -08:00
ec_ec_comm_master.h
charge_state_v2: Store battery information in new structures
2018-02-07 11:55:57 -08:00
ec_ec_comm_slave.h
charge_state_v2: Store battery information in new structures
2018-02-07 11:55:57 -08:00
eeprom.h
cleanup: eeprom and option comments
2013-10-25 20:12:49 +00:00
espi.h
espi: Add API to test if signal is eSPI virtual wire
2018-01-02 15:48:20 -08:00
event_log.h
pd_log: Make PD logging more generic for general purpose logging
2017-08-02 15:02:34 -07:00
extension.h
cr50: usb_updater: include return codes into USB response payload
2017-06-06 14:36:28 -07:00
extpower.h
Remove obsolete board-specific code
2015-06-10 18:24:05 +00:00
fan.h
Samus: Handle fan startup in the EC, not the fan controller
2014-11-06 02:28:22 +00:00
flash.h
EFS: Switch active slot when current slot is invalid
2017-09-21 01:07:55 -07:00
fpsensor.h
fpsensor: update interface
2018-01-23 05:25:08 -08:00
gesture.h
common: motion: move gesture actions in motion task.
2015-09-18 17:55:32 -07:00
gpio_list.h
Add check to prevent duplicate PIN assignments
2016-09-09 17:15:25 -07:00
gpio_signal.h
mec1322: Simplify GPIO lists
2015-05-27 03:58:16 +00:00
gpio.h
ec_gpio: Add GPIO power down support
2017-12-28 12:35:08 -08:00
gpio.wrap
mec1322: Simplify GPIO lists
2015-05-27 03:58:16 +00:00
hooks.h
stm32/usb: Add HOOK_USB_PM_CHANGE, called when USB is resumed/suspended
2018-02-02 10:17:30 -08:00
host_command.h
host_command: Count suppressed host commands individually
2018-02-16 21:41:41 -08:00
hwtimer.h
pit: Clean up timer init code
2013-06-26 09:08:23 -07:00
i2c.h
i2c: support large reading in i2c_xfer()
2017-12-07 05:09:28 -08:00
i8042_protocol.h
More supports for A20 enable/disable
2012-11-04 20:27:57 -08:00
inductive_charging.h
cleanup: fix all the header guards
2015-06-18 19:07:00 +00:00
keyboard_8042_sharedlib.h
keyboard_8042: Allow scancode sets to be mutable
2017-05-18 18:07:29 -07:00
keyboard_8042.h
keyboard: Always call keyboard_state_changed
2016-11-17 07:08:25 -08:00
keyboard_config.h
common: Add new recovery mode button combination
2016-11-08 20:30:07 -08:00
keyboard_mkbp.h
mkbp: Add support for buttons and switches.
2016-07-19 18:33:36 -07:00
keyboard_protocol.h
hammer: Detect backlight circuitry
2017-12-12 03:57:19 -08:00
keyboard_raw.h
ectool: Support keyboard factory scanning
2016-04-01 00:21:35 -07:00
keyboard_scan.h
keyboard_scan: Disable when USB is suspended without wake
2018-02-05 19:08:21 -08:00
keyboard_test.h
Move keyboard dimension and key constants to keyboard_config.h
2013-03-22 11:24:29 -07:00
lb_common.h
common: lightbar: put multiple commands under i2c_lock
2015-09-19 12:27:21 -07:00
led_common.h
common/led_common: Add API for controlling LED state
2017-05-02 17:45:16 -07:00
led_pwm.h
common: Add support for PWM LEDs.
2018-02-05 23:05:39 -08:00
libsharedobjs.h
libsharedobjs: Add libsharedobjs.h.
2015-07-17 03:17:57 +00:00
lid_angle.h
Cyan: Added Clamshell/Tablet mode support
2015-08-10 20:42:18 +00:00
lid_switch.h
Split lid switch code out of switch.c to its own file
2013-04-02 14:12:57 -07:00
lightbar_msg_list.h
Remove PULSE and TEST sequences from lightbar module
2014-10-08 02:50:54 +00:00
lightbar_opcode_list.h
lightbar: interpreter additions to encode other patterns
2014-10-15 18:22:37 +00:00
lightbar.h
common: lightbar: Add histeresis to prevent flickering
2015-10-23 18:03:12 -07:00
link_defs.h
stm32/usb: Add HOOK_USB_PM_CHANGE, called when USB is resumed/suspended
2018-02-02 10:17:30 -08:00
lpc.h
host_events: Bump up host events and masks to 64-bit
2017-11-21 18:53:35 -08:00
mag_cal.h
common: Add magnetometer online calibration.
2015-10-13 05:28:54 -07:00
mat33.h
common: Add magnetometer online calibration.
2015-10-13 05:28:54 -07:00
mat44.h
common: Add magnetometer online calibration.
2015-10-13 05:28:54 -07:00
math_util.h
common: Add magnetometer online calibration.
2015-10-13 05:28:54 -07:00
memory_commands.h
Initial sources import 2/3
2011-12-07 19:10:02 +00:00
mkbp_event.h
mkbp_event: Properly queue events during host sleep
2016-11-04 18:31:37 -07:00
module_id.h
npcx7: WoV: Add support for Wake-on-Voice (WoV) module
2018-02-28 15:21:13 -08:00
motion_lid.h
common: Add tablet_mode API
2016-11-08 17:11:28 -08:00
motion_sense.h
motion_sense: Fix indentation in header
2018-01-02 13:19:37 -08:00
nvcounter.h
Add non-volatile flash counter
2017-06-02 10:38:57 -07:00
nvmem_vars.h
Add nvmem-backed key=value variable storage
2016-12-21 19:42:37 -08:00
nvmem.h
cr50: Make sure TPM wipe only clears TPM data.
2017-02-23 01:19:07 -08:00
onewire.h
Clean up LED and onewire modules
2012-10-25 14:12:11 -07:00
otp.h
Add OTP support
2017-07-28 17:45:13 -07:00
panic.h
Mark reset and panic functions as noreturn
2017-11-07 15:25:17 -08:00
peci.h
Switch temp sensor polling to use hooks instead of task
2012-11-01 12:45:22 -07:00
physical_presence.h
pp: add API to show when press is expected
2018-01-12 03:27:08 -08:00
port80.h
mec1322: Change the Port 80 task to a timer IRQ.
2015-10-19 18:21:22 -07:00
power_button.h
KBL/SKL: Add wait between DSW_PWROK and PWRBTN
2017-06-19 21:03:29 -07:00
power_led.h
Replace generated CONFIG_TASK_ macros with HAS_TASK_
2013-04-24 16:32:58 -07:00
power.h
Revert "power: Get rid of power_board_handle_host_sleep_event"
2017-11-15 13:23:32 -08:00
printf.h
printf: add %li format for compatibility
2017-12-25 17:17:25 -08:00
producer.h
cleanup: fix all the header guards
2015-06-18 19:07:00 +00:00
pwm.h
npcx: Move pwm open-drain functionality from gpio to pwm driver.
2017-03-24 06:49:55 -07:00
queue_policies.h
cleanup: fix all the header guards
2015-06-18 19:07:00 +00:00
queue.h
Queue: Add ability to modify contiguous units inplace
2015-07-15 21:57:36 +00:00
rma_auth.h
cr50: use single __packed definition
2018-02-22 20:17:14 -08:00
rollback.h
rollback: Add function to fetch secret
2017-06-14 01:19:31 -07:00
rsa.h
common: Split rwsig parts from rsa.h header
2017-04-11 20:22:32 -07:00
rtc.h
rtc: Add functions and tests for time conversion
2017-09-26 18:24:07 -07:00
rwsig.h
g: rename usb_updater into gsctool
2017-10-10 22:13:43 -07:00
sfdp.h
common: Fixes the SFDP_BITFIELD() macro.
2016-01-29 02:59:58 +00:00
sha1.h
cleanup: fix all the header guards
2015-06-18 19:07:00 +00:00
sha256.h
sha256: add support for hmac_sha256, and add test for sha256
2017-06-14 05:59:37 -07:00
shared_mem.h
Fix shmalloc unit test
2018-02-09 05:24:46 -08:00
smbus.h
Fix various misspellings in comments
2016-11-15 17:41:53 -08:00
software_panic.h
software_panic: Add a new software panic type for PMIC fault
2017-11-30 11:48:57 -08:00
spi_flash_reg.h
ec_flash: Add W25Q128 SPI flash
2017-12-28 14:50:32 -08:00
spi_flash.h
flash: Add command to get SPI flash chip info
2016-09-23 12:21:51 -07:00
spi_nor.h
common/spi_nor: Adds RDID and 64KiB erase support
2016-12-07 23:45:29 +00:00
spi.h
stm32: add SPI master for STM32H7
2018-01-08 17:22:48 -08:00
stack_trace.h
cleanup: fix all the header guards
2015-06-18 19:07:00 +00:00
switch.h
gpio: Refactor IRQ handler pointer out of gpio_list
2015-04-10 22:08:25 +00:00
system.h
system: Allow hibernate to clear AP_OFF flag
2017-12-05 18:00:38 -08:00
tablet_mode.h
common: Add tablet_mode API
2016-11-08 17:11:28 -08:00
task_filter.h
ec: Add a task information library for the stack analyzer.
2017-08-15 00:25:20 -07:00
task_id.h
Makefile: Allow different task list for RO and RW
2017-04-25 05:52:34 -07:00
task.h
npcx: i2c: Add support for npcx7 series ec
2017-05-04 21:38:51 -07:00
temp_sensor_chip.h
cleanup: fix all the header guards
2015-06-18 19:07:00 +00:00
temp_sensor.h
Include battery fuel gauge temp sensor in temperature sensors
2014-02-08 04:21:26 +00:00
test_util.h
host: mock i2c_xfer
2015-09-16 14:49:46 -07:00
thermal.h
Show the fan-cooling percentage for each active temp sensor
2015-01-14 03:15:41 +00:00
throttle_ap.h
Add more build conditions on x86-only code.
2014-08-10 18:39:24 +00:00
timer.h
timer: fix clock() implementation to match TPM2 library expectations
2016-07-21 17:32:28 -07:00
touchpad.h
touchpad_elan: Add retry logic if the touchpad does not respond
2018-01-21 22:20:48 -08:00
tpm_log.h
cr50: log I2C slave 'wedged bus recovery' event
2017-08-23 12:19:07 -07:00
tpm_manufacture.h
cr50: provide chip factory mode support
2017-07-30 22:41:06 -07:00
tpm_registers.h
cr50: pass essential ccd commands through tpm task context
2018-01-11 22:22:46 -08:00
tpm_vendor_cmds.h
cr50: expose spihash PP polling to the host
2018-02-23 03:36:31 -08:00
trng.h
stm32: add TRNG support
2017-02-23 11:36:21 -08:00
u2f_impl.h
Add U2F implementation
2017-06-29 10:37:40 -07:00
u2f.h
Add U2F implementation
2017-06-29 10:37:40 -07:00
uart.h
chip/npcx: Add support for pad-switching UART
2017-10-25 03:58:50 -07:00
update_fw.h
usb_update: Add support for touchpad debugging feature
2017-11-14 03:22:31 -08:00
usb_api.h
stm32/usb: Add HOOK_USB_PM_CHANGE, called when USB is resumed/suspended
2018-02-02 10:17:30 -08:00
usb_bb.h
cleanup: fix all the header guards
2015-06-18 19:07:00 +00:00
usb_charge.h
charge_ramp: Move ramp allowed / ilim callbacks to common code
2017-10-06 13:47:12 -07:00
usb_console.h
g: add CONFIG_USB_CONSOLE_CRC
2018-02-24 01:22:46 -08:00
usb_descriptor.h
Add WebUSB descriptor support
2017-09-22 10:18:50 -07:00
usb_hid_touchpad.h
chip/stm32/usb_hid_keyboard: implement keyboard backlight control
2017-09-01 12:39:19 -07:00
usb_hid.h
chip/stm32/usb_hid: Separate HID keyboard support
2016-11-16 19:04:47 -08:00
usb_i2c.h
hammer: enable large block reading on usb i2c passthru.
2017-11-24 02:39:04 -08:00
usb_mux.h
driver: add IT5205 mux driver
2017-10-31 21:49:24 -07:00
usb_pd_tcpc.h
tcpm: Add configuration struct for tcpc i2c params
2015-11-08 17:31:12 -08:00
usb_pd_tcpm.h
tcpm: Configure board specific post TCPC init
2017-08-21 22:03:53 -07:00
usb_pd.h
pd: Add pd_capable() to check PD capability of partner port
2017-11-07 12:17:44 -08:00
usbc_ppc.h
ppc: Add Vconn and CC polarity settings.
2018-02-01 18:08:36 -08:00
util.h
host_events: Bump up host events and masks to 64-bit
2017-11-21 18:53:35 -08:00
vb21_struct.h
rwsig: Add support for rwsig image types
2017-02-17 04:09:37 -08:00
vboot_hash.h
vboot_hash: Abort hash calculation on flash write
2015-07-01 03:49:00 +00:00
vboot.h
Enable PD communication in RO for external display
2018-02-03 02:38:10 -08:00
vec3.h
common: Add magnetometer online calibration.
2015-10-13 05:28:54 -07:00
vec4.h
common: Add magnetometer online calibration.
2015-10-13 05:28:54 -07:00
version.h
common/rollback: Add support for rollback protection
2017-04-06 03:29:38 -07:00
virtual_battery.h
i2c_passthru: fix virtual battery operation
2016-12-14 06:03:14 -08:00
watchdog.h
Include "config.h" in include/watchdog.h.
2017-03-10 19:52:31 -08:00
wireless.h
Initial Glower commit
2015-01-20 20:56:43 +00:00