diff options
Diffstat (limited to 'plat/mediatek/mt8173/drivers/spm/spm_suspend.c')
| -rw-r--r-- | plat/mediatek/mt8173/drivers/spm/spm_suspend.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/plat/mediatek/mt8173/drivers/spm/spm_suspend.c b/plat/mediatek/mt8173/drivers/spm/spm_suspend.c new file mode 100644 index 00000000..06d1c75c --- /dev/null +++ b/plat/mediatek/mt8173/drivers/spm/spm_suspend.c @@ -0,0 +1,307 @@ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#include <bakery_lock.h> +#include <debug.h> +#include <spm.h> +#include <spm_suspend.h> + +/* + * System Power Manager (SPM) is a hardware module, which controls cpu or + * system power for different power scenarios using different firmware. + * This driver controls the system power in system suspend flow. + */ + +#define WAIT_UART_ACK_TIMES 80 /* 80 * 10us */ + +#define WAKE_SRC_FOR_SUSPEND \ + (WAKE_SRC_KP | WAKE_SRC_EINT | WAKE_SRC_MD32 | \ + WAKE_SRC_USB_CD | WAKE_SRC_USB_PDN | WAKE_SRC_THERM | \ + WAKE_SRC_SYSPWREQ | WAKE_SRC_SEJ | WAKE_SRC_ALL_MD32) + +#define WAKE_SRC_FOR_MD32 0 + +#define spm_is_wakesrc_invalid(wakesrc) \ + (!!((unsigned int)(wakesrc) & 0xc0003803)) + +const unsigned int spm_flags = + SPM_DUALVCORE_PDN_DIS | SPM_PASR_DIS | SPM_DPD_DIS | + SPM_CPU_DVS_DIS | SPM_OPT | SPM_INFRA_PDN_DIS; + +enum wake_reason_t spm_wake_reason = WR_NONE; + +/********************************************************** + * PCM sequence for cpu suspend + **********************************************************/ +static const unsigned int suspend_binary_ca7[] = { + 0x81f58407, 0x81f68407, 0x803a0400, 0x803a8400, 0x1b80001f, 0x20000000, + 0x80300400, 0x80318400, 0x80328400, 0xa1d28407, 0x81f20407, 0x81409801, + 0xd8000245, 0x17c07c1f, 0x18c0001f, 0x10006234, 0xc0c031a0, 0x1200041f, + 0x80310400, 0x1b80001f, 0x2000000a, 0xa0110400, 0x18c0001f, 0x100062c8, + 0xe0e00010, 0xe0e00030, 0xe0e00070, 0xe0e000f0, 0x1b80001f, 0x2000001a, + 0xe0e00ff0, 0xe8208000, 0x10006354, 0xfffe7fff, 0xe8208000, 0x10006834, + 0x00000010, 0x81f00407, 0xa1dd0407, 0x81fd0407, 0xc2803780, 0x1290041f, + 0x8880000c, 0x2f7be75f, 0xd8200642, 0x17c07c1f, 0x1b00001f, 0x7fffe7ff, + 0xd0000680, 0x17c07c1f, 0x1b00001f, 0x7ffff7ff, 0xf0000000, 0x17c07c1f, + 0x80880001, 0xd8000762, 0x17c07c1f, 0xd00027a0, 0x1200041f, 0xe8208000, + 0x10006834, 0x00000000, 0x1b00001f, 0x3fffe7ff, 0x1b80001f, 0x20000004, + 0xd820092c, 0x17c07c1f, 0xe8208000, 0x10006834, 0x00000010, 0xd00011a0, + 0x17c07c1f, 0x18c0001f, 0x10006608, 0x1910001f, 0x10006608, 0x813b0404, + 0xe0c00004, 0x1880001f, 0x10006320, 0xc0c03680, 0xe080000f, 0xd8200b23, + 0x17c07c1f, 0x1b00001f, 0x7ffff7ff, 0xd00011a0, 0x17c07c1f, 0xe080001f, + 0xe8208000, 0x10006354, 0xffffffff, 0x18c0001f, 0x100062c8, 0xe0e000f0, + 0xe0e00030, 0xe0e00000, 0x81409801, 0xd8000fe5, 0x17c07c1f, 0x18c0001f, + 0x10004094, 0x1910001f, 0x1020e374, 0xe0c00004, 0x18c0001f, 0x10004098, + 0x1910001f, 0x1020e378, 0xe0c00004, 0x18c0001f, 0x10011094, 0x1910001f, + 0x10213374, 0xe0c00004, 0x18c0001f, 0x10011098, 0x1910001f, 0x10213378, + 0xe0c00004, 0x1910001f, 0x10213378, 0x18c0001f, 0x10006234, 0xc0c03360, + 0x17c07c1f, 0xc2803780, 0x1290841f, 0xa1d20407, 0x81f28407, 0xa1d68407, + 0xa0128400, 0xa0118400, 0xa0100400, 0xa01a8400, 0xa01a0400, 0x19c0001f, + 0x001c239f, 0x1b00001f, 0x3fffefff, 0xf0000000, 0x17c07c1f, 0x808d8001, + 0xd8201422, 0x17c07c1f, 0x803d8400, 0x1b80001f, 0x2000001a, 0x80340400, + 0x17c07c1f, 0x17c07c1f, 0x80310400, 0x81fa0407, 0x81f18407, 0x81f08407, + 0xa1dc0407, 0x1b80001f, 0x200000b6, 0xd00020e0, 0x17c07c1f, 0x1880001f, + 0x20000208, 0x81411801, 0xd8001605, 0x17c07c1f, 0xe8208000, 0x1000f600, + 0xd2000000, 0x1380081f, 0x18c0001f, 0x10006240, 0xe0e00016, 0xe0e0001e, + 0xe0e0000e, 0xe0e0000f, 0x80368400, 0x1380081f, 0x80370400, 0x1380081f, + 0x80360400, 0x803e0400, 0x1380081f, 0x80380400, 0x803b0400, 0xa01d8400, + 0x1b80001f, 0x20000034, 0x803d8400, 0x1b80001f, 0x20000152, 0x803d0400, + 0x1380081f, 0x18c0001f, 0x1000f5c8, 0x1910001f, 0x1000f5c8, 0xa1000404, + 0xe0c00004, 0x18c0001f, 0x100125c8, 0x1910001f, 0x100125c8, 0xa1000404, + 0xe0c00004, 0x1910001f, 0x100125c8, 0x80340400, 0x17c07c1f, 0x17c07c1f, + 0x80310400, 0xe8208000, 0x10000044, 0x00000100, 0x1b80001f, 0x20000068, + 0x1b80001f, 0x2000000a, 0x18c0001f, 0x10006240, 0xe0e0000d, 0xd8001e65, + 0x17c07c1f, 0x18c0001f, 0x100040f4, 0x1910001f, 0x100040f4, 0xa11c8404, + 0xe0c00004, 0x1b80001f, 0x2000000a, 0x813c8404, 0xe0c00004, 0x18c0001f, + 0x100110f4, 0x1910001f, 0x100110f4, 0xa11c8404, 0xe0c00004, 0x1b80001f, + 0x2000000a, 0x813c8404, 0xe0c00004, 0x1b80001f, 0x20000100, 0x81fa0407, + 0x81f18407, 0x81f08407, 0xe8208000, 0x10006354, 0xfffe7b47, 0x18c0001f, + 0x65930003, 0xc0c03080, 0x17c07c1f, 0xa1d80407, 0xa1dc0407, 0x18c0001f, + 0x10006608, 0x1910001f, 0x10006608, 0xa11b0404, 0xe0c00004, 0xc2803780, + 0x1291041f, 0x8880000c, 0x2f7be75f, 0xd8202222, 0x17c07c1f, 0x1b00001f, + 0x3fffe7ff, 0xd0002260, 0x17c07c1f, 0x1b00001f, 0xbfffe7ff, 0xf0000000, + 0x17c07c1f, 0x1890001f, 0x10006608, 0x808b0801, 0xd8202502, 0x17c07c1f, + 0x1880001f, 0x10006320, 0xc0c03400, 0xe080000f, 0xd8002663, 0x17c07c1f, + 0xe080001f, 0xa1da0407, 0x81fc0407, 0xa0110400, 0xa0140400, 0xa01d8400, + 0xd0002fc0, 0x17c07c1f, 0x1b80001f, 0x20000fdf, 0x1890001f, 0x10006608, + 0x80c98801, 0x810a8801, 0x10918c1f, 0xa0939002, 0x8080080d, 0xd82027a2, + 0x12007c1f, 0x1b00001f, 0x3fffe7ff, 0x1b80001f, 0x20000004, 0xd800304c, + 0x17c07c1f, 0x1b00001f, 0xbfffe7ff, 0xd0003040, 0x17c07c1f, 0x81f80407, + 0x81fc0407, 0x18c0001f, 0x65930006, 0xc0c03080, 0x17c07c1f, 0x18c0001f, + 0x65930007, 0xc0c03080, 0x17c07c1f, 0x1880001f, 0x10006320, 0xc0c03400, + 0xe080000f, 0xd8002663, 0x17c07c1f, 0xe080001f, 0x18c0001f, 0x65930005, + 0xc0c03080, 0x17c07c1f, 0xa1da0407, 0xe8208000, 0x10000048, 0x00000100, + 0x1b80001f, 0x20000068, 0xa0110400, 0xa0140400, 0x18c0001f, 0x1000f5c8, + 0x1910001f, 0x1000f5c8, 0x81200404, 0xe0c00004, 0x18c0001f, 0x100125c8, + 0x1910001f, 0x100125c8, 0x81200404, 0xe0c00004, 0x1910001f, 0x100125c8, + 0xa01d0400, 0xa01b0400, 0xa0180400, 0x803d8400, 0xa01e0400, 0xa0160400, + 0xa0170400, 0xa0168400, 0x1b80001f, 0x20000104, 0x81411801, 0xd8002f85, + 0x17c07c1f, 0x18c0001f, 0x10006240, 0xc0c03360, 0x17c07c1f, 0xe8208000, + 0x1000f600, 0xd2000001, 0xd8000768, 0x17c07c1f, 0xc2803780, 0x1291841f, + 0x1b00001f, 0x7ffff7ff, 0xf0000000, 0x17c07c1f, 0x1900001f, 0x10006830, + 0xe1000003, 0x18c0001f, 0x10006834, 0xe0e00000, 0xe0e00001, 0xf0000000, + 0x17c07c1f, 0xe0f07f16, 0x1380201f, 0xe0f07f1e, 0x1380201f, 0xe0f07f0e, + 0x1b80001f, 0x20000104, 0xe0f07f0c, 0xe0f07f0d, 0xe0f07e0d, 0xe0f07c0d, + 0xe0f0780d, 0xf0000000, 0xe0f0700d, 0xe0f07f0d, 0xe0f07f0f, 0xe0f07f1e, + 0xf0000000, 0xe0f07f12, 0x11407c1f, 0x81f08407, 0x81f18407, 0x1b80001f, + 0x20000001, 0xa1d08407, 0xa1d18407, 0x1392841f, 0x812ab401, 0x80ebb401, + 0xa0c00c04, 0xd8203603, 0x17c07c1f, 0x80c01403, 0xd8203423, 0x01400405, + 0x1900001f, 0x10006814, 0xf0000000, 0xe1000003, 0xa1d00407, 0x1b80001f, + 0x20000208, 0x80ea3401, 0x1a00001f, 0x10006814, 0xf0000000, 0xe2000003, + 0x18c0001f, 0x10006b6c, 0x1910001f, 0x10006b6c, 0xa1002804, 0xf0000000, + 0xe0c00004, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, + 0x17c07c1f, 0x17c07c1f, 0x1840001f, 0x00000001, 0xa1d48407, 0x1990001f, + 0x10006b08, 0x1a50001f, 0x10006610, 0x8246a401, 0xe8208000, 0x10006b6c, + 0x00000000, 0x1b00001f, 0x2f7be75f, 0x81469801, 0xd8004305, 0x17c07c1f, + 0x1b80001f, 0xd00f0000, 0x8880000c, 0x2f7be75f, 0xd8005d62, 0x17c07c1f, + 0xd0004340, 0x17c07c1f, 0x1b80001f, 0x500f0000, 0xe8208000, 0x10006354, + 0xfffe7b47, 0xc0c06900, 0x81401801, 0xd80048a5, 0x17c07c1f, 0x81f60407, + 0x18c0001f, 0x10006200, 0xc0c05e20, 0x12807c1f, 0xe8208000, 0x1000625c, + 0x00000001, 0x1b80001f, 0x20000080, 0xc0c05e20, 0x1280041f, 0x18c0001f, + 0x10006204, 0xc0c061c0, 0x1280041f, 0x18c0001f, 0x10006208, 0xc0c05e20, + 0x12807c1f, 0xe8208000, 0x10006244, 0x00000001, 0x1b80001f, 0x20000080, + 0xc0c05e20, 0x1280041f, 0x18c0001f, 0x10006290, 0xc0c05e20, 0x1280041f, + 0xe8208000, 0x10006404, 0x00003101, 0xc2803780, 0x1292041f, 0x81469801, + 0xd8204a05, 0x17c07c1f, 0x1b00001f, 0x2f7be75f, 0x1b80001f, 0x30000004, + 0x8880000c, 0x2f7be75f, 0xd80057c2, 0x17c07c1f, 0xc0c06480, 0x17c07c1f, + 0x18c0001f, 0x10006294, 0xe0f07fff, 0xe0e00fff, 0xe0e000ff, 0x81449801, + 0xd8004c45, 0x17c07c1f, 0x1a00001f, 0x10006604, 0xe2200003, 0xc0c06540, + 0x17c07c1f, 0xe2200005, 0xc0c06540, 0x17c07c1f, 0xa1d38407, 0xa1d98407, + 0x1800001f, 0x00000012, 0x1800001f, 0x00000e12, 0x1800001f, 0x03800e12, + 0x1800001f, 0x038e0e12, 0xe8208000, 0x10006310, 0x0b1600f8, 0x1b00001f, + 0xbfffe7ff, 0x1b80001f, 0x90100000, 0x80c00400, 0xd8204f63, 0xa1d58407, + 0xa1dd8407, 0x1b00001f, 0x3fffefff, 0xd0004e20, 0x17c07c1f, 0x1890001f, + 0x100063e8, 0x88c0000c, 0x2f7be75f, 0xd8005183, 0x17c07c1f, 0x80c40001, + 0xd8005103, 0x17c07c1f, 0x1b00001f, 0xbfffe7ff, 0xd0005140, 0x17c07c1f, + 0x1b00001f, 0x7ffff7ff, 0xd0004e20, 0x17c07c1f, 0x80c40001, 0xd8205283, + 0x17c07c1f, 0xa1de0407, 0x1b00001f, 0x7fffe7ff, 0xd0004e20, 0x17c07c1f, + 0x18c0001f, 0x10006294, 0xe0e001fe, 0xe0e003fc, 0xe0e007f8, 0xe0e00ff0, + 0x1b80001f, 0x20000020, 0xe0f07ff0, 0xe0f07f00, 0x81449801, 0xd8005565, + 0x17c07c1f, 0x1a00001f, 0x10006604, 0xe2200002, 0xc0c06540, 0x17c07c1f, + 0xe2200004, 0xc0c06540, 0x17c07c1f, 0x1b80001f, 0x200016a8, 0x1800001f, + 0x03800e12, 0x1b80001f, 0x20000300, 0x1800001f, 0x00000e12, 0x1b80001f, + 0x20000300, 0x1800001f, 0x00000012, 0x1b80001f, 0x20000104, 0x10007c1f, + 0x81f38407, 0x81f98407, 0x81f90407, 0x81f40407, 0x1b80001f, 0x200016a8, + 0x81401801, 0xd8005d65, 0x17c07c1f, 0xe8208000, 0x10006404, 0x00002101, + 0x18c0001f, 0x10006290, 0x1212841f, 0xc0c05fa0, 0x12807c1f, 0xc0c05fa0, + 0x1280041f, 0x18c0001f, 0x10006208, 0x1212841f, 0xc0c05fa0, 0x12807c1f, + 0xe8208000, 0x10006244, 0x00000000, 0x1b80001f, 0x20000080, 0xc0c05fa0, + 0x1280041f, 0xe8208000, 0x10200268, 0x000ffffe, 0x18c0001f, 0x10006204, + 0x1212841f, 0xc0c06300, 0x1280041f, 0x18c0001f, 0x10006200, 0x1212841f, + 0xc0c05fa0, 0x12807c1f, 0xe8208000, 0x1000625c, 0x00000000, 0x1b80001f, + 0x20000080, 0xc0c05fa0, 0x1280041f, 0x19c0001f, 0x01411820, 0x1ac0001f, + 0x55aa55aa, 0x10007c1f, 0xf0000000, 0xd8005eca, 0x17c07c1f, 0xe2e0004f, + 0xe2e0006f, 0xe2e0002f, 0xd8205f6a, 0x17c07c1f, 0xe2e0002e, 0xe2e0003e, + 0xe2e00032, 0xf0000000, 0x17c07c1f, 0xd800606a, 0x17c07c1f, 0xe2e00036, + 0xe2e0003e, 0x1380201f, 0xe2e0003c, 0xd820618a, 0x17c07c1f, 0x1380201f, + 0xe2e0007c, 0x1b80001f, 0x20000003, 0xe2e0005c, 0xe2e0004c, 0xe2e0004d, + 0xf0000000, 0x17c07c1f, 0xd82062c9, 0x17c07c1f, 0xe2e0000d, 0xe2e0000c, + 0xe2e0001c, 0xe2e0001e, 0xe2e00016, 0xe2e00012, 0xf0000000, 0x17c07c1f, + 0xd8206449, 0x17c07c1f, 0xe2e00016, 0x1380201f, 0xe2e0001e, 0x1380201f, + 0xe2e0001c, 0x1380201f, 0xe2e0000c, 0xe2e0000d, 0xf0000000, 0x17c07c1f, + 0xa1d40407, 0x1391841f, 0xa1d90407, 0x1393041f, 0xf0000000, 0x17c07c1f, + 0x18d0001f, 0x10006604, 0x10cf8c1f, 0xd8206543, 0x17c07c1f, 0xf0000000, + 0x17c07c1f, 0xe8208000, 0x11008014, 0x00000002, 0xe8208000, 0x11008020, + 0x00000101, 0xe8208000, 0x11008004, 0x000000d0, 0x1a00001f, 0x11008000, + 0xd800680a, 0xe220005d, 0xd820682a, 0xe2200000, 0xe2200001, 0xe8208000, + 0x11008024, 0x00000001, 0x1b80001f, 0x20000424, 0xf0000000, 0x17c07c1f, + 0xa1d10407, 0x1b80001f, 0x20000020, 0xf0000000, 0x17c07c1f +}; + +/* + * PCM binary for suspend scenario + */ +static const struct pcm_desc suspend_pcm_ca7 = { + .version = "pcm_suspend_v32.18_20140721_mt8173_v00.03_MD32_EMPTY_CA7", + .base = suspend_binary_ca7, + .size = 845, + .sess = 2, + .replace = 0, + .vec0 = EVENT_VEC(11, 1, 0, 0), + .vec1 = EVENT_VEC(12, 1, 0, 54), + .vec2 = EVENT_VEC(30, 1, 0, 143), + .vec3 = EVENT_VEC(31, 1, 0, 277), +}; + +/* + * SPM settings for suspend scenario + */ +static struct pwr_ctrl spm_ctrl = { + .wake_src = WAKE_SRC_FOR_SUSPEND, + .wake_src_md32 = WAKE_SRC_FOR_MD32, + .r0_ctrl_en = 1, + .r7_ctrl_en = 1, + .infra_dcm_lock = 1, + .wfi_op = WFI_OP_AND, + .pcm_apsrc_req = 0, + .ca7top_idle_mask = 0, + .ca15top_idle_mask = 0, + .mcusys_idle_mask = 0, + .disp_req_mask = 0, + .mfg_req_mask = 0, + .md32_req_mask = 1, + .srclkenai_mask = 1, + .ca7_wfi0_en = 1, + .ca7_wfi1_en = 1, + .ca7_wfi2_en = 1, + .ca7_wfi3_en = 1, + .ca15_wfi0_en = 1, + .ca15_wfi1_en = 1, + .ca15_wfi2_en = 1, + .ca15_wfi3_en = 1, +}; + +/* + * go_to_sleep_before_wfi() - trigger SPM to enter suspend scenario + */ +static void go_to_sleep_before_wfi(const unsigned int spm_flags) +{ + struct pwr_ctrl *pwrctrl; + + pwrctrl = &spm_ctrl; + + set_pwrctrl_pcm_flags(pwrctrl, spm_flags); + + spm_set_sysclk_settle(); + + INFO("sec = %u, wakesrc = 0x%x (%u)(%u)\n", + pwrctrl->timer_val, pwrctrl->wake_src, + is_cpu_pdn(pwrctrl->pcm_flags), + is_infra_pdn(pwrctrl->pcm_flags)); + + spm_reset_and_init_pcm(); + spm_init_pcm_register(); + spm_set_power_control(pwrctrl); + spm_set_wakeup_event(pwrctrl); + spm_kick_pcm_to_run(pwrctrl); + spm_init_event_vector(&suspend_pcm_ca7); + spm_kick_im_to_fetch(&suspend_pcm_ca7); +} + +/* + * go_to_sleep_after_wfi() - get wakeup reason after + * leaving suspend scenario and clean up SPM settings + */ +static enum wake_reason_t go_to_sleep_after_wfi(void) +{ + struct wake_status wakesta; + static enum wake_reason_t last_wr = WR_NONE; + + spm_get_wakeup_status(&wakesta); + spm_clean_after_wakeup(); + last_wr = spm_output_wake_reason(&wakesta); + + return last_wr; +} + +void spm_system_suspend(void) +{ + spm_lock_get(); + go_to_sleep_before_wfi(spm_flags); + set_suspend_ready(); + spm_lock_release(); +} + +void spm_system_suspend_finish(void) +{ + spm_lock_get(); + spm_wake_reason = go_to_sleep_after_wfi(); + INFO("spm_wake_reason=%d\n", spm_wake_reason); + clear_all_ready(); + spm_lock_release(); +} |