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authorCC Ma <cc.ma@mediatek.com>2015-04-13 14:47:57 +0800
committerYidi Lin <yidi.lin@mediatek.com>2015-08-11 14:45:33 +0800
commit7d116dccab2249a692181ba9521a52277e86591c (patch)
treef4853ddf770eb91591306ab7a4a20f7e3ccf7cbd /plat/mediatek/mt8173/drivers/spm/spm_hotplug.c
parent6b0d97b24a9414b754e9531cba7275438d5f77be (diff)
downloadtrusted-firmware-a-7d116dccab2249a692181ba9521a52277e86591c.tar.gz
Initial platform port for MediaTek mt8173
- Boot up 4 cores. - Add a generic UART driver. - Add generic CPU helper functions - Supoort suspend - Add system_off & system_reset implementation - Add crash console reporting implementation - Add get_sys_suspend_power_state() for PSCI 1.0 SYSTEM_SUSPEND - Add Mediatek SIP runtime service - Add delay timer platform implementation Change-Id: I44138249f115ee10b9cbd26fdbc2dd3af04d825f Signed-off-by: CC Ma <cc.ma@mediatek.com> Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
Diffstat (limited to 'plat/mediatek/mt8173/drivers/spm/spm_hotplug.c')
-rw-r--r--plat/mediatek/mt8173/drivers/spm/spm_hotplug.c292
1 files changed, 292 insertions, 0 deletions
diff --git a/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c b/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c
new file mode 100644
index 0000000000..fccd5a2447
--- /dev/null
+++ b/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c
@@ -0,0 +1,292 @@
+/*
+ * 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 <mmio.h>
+#include <mt8173_def.h>
+#include <platform.h>
+#include <spm.h>
+#include <spm_hotplug.h>
+#include <spm_mcdi.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 cpu power in cpu hotplug flow.
+ */
+
+#define PCM_HOTPLUG_VALID_MASK 0x00ff0000
+#define PCM_HOTPLUG_VALID_SHIFT 0x8
+
+/**********************************************************
+ * PCM sequence for CPU hotplug
+ **********************************************************/
+static const unsigned int hotplug_binary[] = {
+ 0x1900001f, 0x1020020c, 0x1950001f, 0x1020020c, 0xa9400005, 0x00000001,
+ 0xe1000005, 0x1910001f, 0x10006720, 0x814c9001, 0xd82000e5, 0x17c07c1f,
+ 0x1900001f, 0x10001220, 0x1950001f, 0x10001220, 0xa15f0405, 0xe1000005,
+ 0x1900001f, 0x10001228, 0x1950001f, 0x10001228, 0x810f1401, 0xd8200244,
+ 0x17c07c1f, 0xe2e0006d, 0xe2e0002d, 0x1a00001f, 0x100062b8, 0x1910001f,
+ 0x100062b8, 0xa9000004, 0x00000001, 0xe2000004, 0x1910001f, 0x100062b8,
+ 0x81142804, 0xd8200444, 0x17c07c1f, 0xe2e0002c, 0xe2e0003c, 0xe2e0003e,
+ 0xe2e0003a, 0xe2e00032, 0x1910001f, 0x1000660c, 0x81079001, 0x1950001f,
+ 0x10006610, 0x81479401, 0xa1001404, 0xd8000584, 0x17c07c1f, 0x1900001f,
+ 0x10006404, 0x1950001f, 0x10006404, 0xa1568405, 0xe1000005, 0xf0000000,
+ 0x17c07c1f, 0x1900001f, 0x10006404, 0x1950001f, 0x10006404, 0x89400005,
+ 0x0000dfff, 0xe1000005, 0xe2e00036, 0xe2e0003e, 0x1910001f, 0x1000660c,
+ 0x81079001, 0x1950001f, 0x10006610, 0x81479401, 0x81001404, 0xd82008c4,
+ 0x17c07c1f, 0xe2e0002e, 0x1a00001f, 0x100062b8, 0x1910001f, 0x100062b8,
+ 0x89000004, 0x0000fffe, 0xe2000004, 0x1910001f, 0x100062b8, 0x81142804,
+ 0xd8000ae4, 0x17c07c1f, 0xe2e0006e, 0xe2e0004e, 0xe2e0004c, 0xe2e0004d,
+ 0x1900001f, 0x10001220, 0x1950001f, 0x10001220, 0x89400005, 0xbfffffff,
+ 0xe1000005, 0x1900001f, 0x10001228, 0x1950001f, 0x10001228, 0x810f1401,
+ 0xd8000ce4, 0x17c07c1f, 0x1900001f, 0x1020020c, 0x1950001f, 0x1020020c,
+ 0x89400005, 0xfffffffe, 0xe1000005, 0xf0000000, 0x17c07c1f, 0x1212841f,
+ 0xe2e00036, 0xe2e0003e, 0x1380201f, 0xe2e0003c, 0xe2a00000, 0x1b80001f,
+ 0x20000080, 0xe2e0007c, 0x1b80001f, 0x20000003, 0xe2e0005c, 0xe2e0004c,
+ 0xe2e0004d, 0xf0000000, 0x17c07c1f, 0xe2e0004f, 0xe2e0006f, 0xe2e0002f,
+ 0xe2a00001, 0x1b80001f, 0x20000080, 0xe2e0002e, 0xe2e0003e, 0xe2e00032,
+ 0xf0000000, 0x17c07c1f, 0x1212841f, 0xe2e00026, 0xe2e0002e, 0x1380201f,
+ 0x1a00001f, 0x100062b4, 0x1910001f, 0x100062b4, 0x81322804, 0xe2000004,
+ 0x81202804, 0xe2000004, 0x1b80001f, 0x20000034, 0x1910001f, 0x100062b4,
+ 0x81142804, 0xd8001404, 0x17c07c1f, 0xe2e0000e, 0xe2e0000c, 0xe2e0000d,
+ 0xf0000000, 0x17c07c1f, 0xe2e0002d, 0x1a00001f, 0x100062b4, 0x1910001f,
+ 0x100062b4, 0xa1002804, 0xe2000004, 0xa1122804, 0xe2000004, 0x1b80001f,
+ 0x20000080, 0x1910001f, 0x100062b4, 0x81142804, 0xd82016a4, 0x17c07c1f,
+ 0xe2e0002f, 0xe2e0002b, 0xe2e00023, 0x1380201f, 0xe2e00022, 0xf0000000,
+ 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, 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, 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, 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, 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, 0x17c07c1f,
+ 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
+ 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f, 0x17c07c1f,
+ 0x17c07c1f, 0x17c07c1f, 0x1840001f, 0x00000001, 0x1840001f, 0x00000001,
+ 0x1840001f, 0x00000001, 0xa1d48407, 0x1b00001f, 0x2f7be75f, 0xe8208000,
+ 0x10006354, 0xfffe7b47, 0xa1d10407, 0x1b80001f, 0x20000020, 0x17c07c1f,
+ 0x1910001f, 0x10006b00, 0x81461001, 0xb14690a1, 0xd82044e5, 0x17c07c1f,
+ 0x1910001f, 0x10006610, 0x81079001, 0xd80044e4, 0x17c07c1f, 0x1990001f,
+ 0x10006b00, 0x81421801, 0x82429801, 0x81402405, 0xd80044e5, 0x17c07c1f,
+ 0x1a40001f, 0x100062b0, 0x1280041f, 0xc24007a0, 0x17c07c1f, 0x1910001f,
+ 0x10006b00, 0x81449001, 0xd8204be5, 0x17c07c1f, 0x1910001f, 0x10006b00,
+ 0x81009001, 0xd8204984, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81051001,
+ 0xd8204be4, 0x17c07c1f, 0x1910001f, 0x10006720, 0x81489001, 0xd82046c5,
+ 0x17c07c1f, 0x1a40001f, 0x10006218, 0x1a80001f, 0x10006264, 0xc24010e0,
+ 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81051001, 0x1950001f, 0x10006610,
+ 0x81451401, 0xa1001404, 0xd8004824, 0x17c07c1f, 0xd0004b00, 0x17c07c1f,
+ 0x17c07c1f, 0x1910001f, 0x10006610, 0x81051001, 0xd8004be4, 0x17c07c1f,
+ 0x1a40001f, 0x10006218, 0x1a80001f, 0x10006264, 0xc2400ee0, 0x17c07c1f,
+ 0x1910001f, 0x10006b00, 0x89000004, 0xfffffdff, 0x1940001f, 0x10006b00,
+ 0xe1400004, 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81451001, 0xd8205305,
+ 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81011001, 0xd82050a4, 0x17c07c1f,
+ 0x1910001f, 0x10006610, 0x81059001, 0xd8205304, 0x17c07c1f, 0x1910001f,
+ 0x10006720, 0x81491001, 0xd8204de5, 0x17c07c1f, 0x1a40001f, 0x1000621c,
+ 0x1a80001f, 0x1000626c, 0xc24010e0, 0x17c07c1f, 0x1910001f, 0x1000660c,
+ 0x81059001, 0x1950001f, 0x10006610, 0x81459401, 0xa1001404, 0xd8004f44,
+ 0x17c07c1f, 0xd0005220, 0x17c07c1f, 0x17c07c1f, 0x1910001f, 0x10006610,
+ 0x81059001, 0xd8005304, 0x17c07c1f, 0x1a40001f, 0x1000621c, 0x1a80001f,
+ 0x1000626c, 0xc2400ee0, 0x17c07c1f, 0x1910001f, 0x10006b00, 0x89000004,
+ 0xfffffbff, 0x1940001f, 0x10006b00, 0xe1400004, 0x17c07c1f, 0x1910001f,
+ 0x10006b00, 0x81459001, 0xd8205a25, 0x17c07c1f, 0x1910001f, 0x10006b00,
+ 0x81019001, 0xd82057c4, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81061001,
+ 0xd8205a24, 0x17c07c1f, 0x1910001f, 0x10006720, 0x81499001, 0xd8205505,
+ 0x17c07c1f, 0x1a40001f, 0x10006220, 0x1a80001f, 0x10006274, 0xc24010e0,
+ 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81061001, 0x1950001f, 0x10006610,
+ 0x81461401, 0xa1001404, 0xd8005664, 0x17c07c1f, 0xd0005940, 0x17c07c1f,
+ 0x17c07c1f, 0x1910001f, 0x10006610, 0x81061001, 0xd8005a24, 0x17c07c1f,
+ 0x1a40001f, 0x10006220, 0x1a80001f, 0x10006274, 0xc2400ee0, 0x17c07c1f,
+ 0x1910001f, 0x10006b00, 0x89000004, 0xfffff7ff, 0x1940001f, 0x10006b00,
+ 0xe1400004, 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81461001, 0xd8206185,
+ 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81021001, 0xd8205ec4, 0x17c07c1f,
+ 0x1910001f, 0x10006610, 0x81081001, 0xd8206184, 0x17c07c1f, 0x1910001f,
+ 0x10006720, 0x814a1001, 0xd8205c25, 0x17c07c1f, 0x1a40001f, 0x100062a0,
+ 0x1280041f, 0xc2401540, 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81081001,
+ 0x1950001f, 0x10006610, 0x81481401, 0xa1001404, 0xd8005d64, 0x17c07c1f,
+ 0xd00060a0, 0x17c07c1f, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81479001,
+ 0x81881001, 0x69a00006, 0x00000000, 0x81401805, 0xd8206185, 0x17c07c1f,
+ 0x1a40001f, 0x100062a0, 0x1280041f, 0xc2401240, 0x17c07c1f, 0x1910001f,
+ 0x10006b00, 0x89000004, 0xffffefff, 0x1940001f, 0x10006b00, 0xe1400004,
+ 0x17c07c1f, 0x1910001f, 0x10006b00, 0x81469001, 0xd82068e5, 0x17c07c1f,
+ 0x1910001f, 0x10006b00, 0x81029001, 0xd8206624, 0x17c07c1f, 0x1910001f,
+ 0x10006610, 0x81089001, 0xd82068e4, 0x17c07c1f, 0x1910001f, 0x10006720,
+ 0x814a9001, 0xd8206385, 0x17c07c1f, 0x1a40001f, 0x100062a4, 0x1290841f,
+ 0xc2401540, 0x17c07c1f, 0x1910001f, 0x1000660c, 0x81089001, 0x1950001f,
+ 0x10006610, 0x81489401, 0xa1001404, 0xd80064c4, 0x17c07c1f, 0xd0006800,
+ 0x17c07c1f, 0x17c07c1f, 0x1910001f, 0x10006610, 0x81479001, 0x81889001,
+ 0x69a00006, 0x00000000, 0x81401805, 0xd82068e5, 0x17c07c1f, 0x1a40001f,
+ 0x100062a4, 0x1290841f, 0xc2401240, 0x17c07c1f, 0x1910001f, 0x10006b00,
+ 0x89000004, 0xffffdfff, 0x1940001f, 0x10006b00, 0xe1400004, 0x1910001f,
+ 0x10006610, 0x81479001, 0x81881001, 0x69600005, 0x00000000, 0xa1401805,
+ 0x81889001, 0xa1401805, 0xd8006bc5, 0x17c07c1f, 0x1910001f, 0x10006b00,
+ 0x81421001, 0x82429001, 0x82802405, 0xd8206bca, 0x17c07c1f, 0x1a40001f,
+ 0x100062b0, 0x1280041f, 0xc2400000, 0x17c07c1f, 0x1990001f, 0x10006b00,
+ 0x89800006, 0x00003f00, 0x69200006, 0x00000000, 0xd82041e4, 0x17c07c1f,
+ 0x1990001f, 0x10006320, 0x69200006, 0xbeefbeef, 0xd8006dc4, 0x17c07c1f,
+ 0xd00041e0, 0x17c07c1f, 0x1910001f, 0x10006358, 0x810b1001, 0xd8006dc4,
+ 0x17c07c1f, 0x1980001f, 0xdeaddead, 0x19c0001f, 0x01411820, 0xf0000000
+};
+static const struct pcm_desc hotplug_pcm = {
+ .version = "pcm_power_down_mt8173_V37",
+ .base = hotplug_binary,
+ .size = 888,
+ .sess = 2,
+ .replace = 0,
+};
+
+static struct pwr_ctrl hotplug_ctrl = {
+ .wake_src = 0,
+ .wake_src_md32 = 0,
+ .wfi_op = WFI_OP_OR,
+ .mcusys_idle_mask = 1,
+ .ca7top_idle_mask = 1,
+ .ca15top_idle_mask = 1,
+ .disp_req_mask = 1,
+ .mfg_req_mask = 1,
+ .md32_req_mask = 1,
+ .syspwreq_mask = 1,
+ .pcm_flags = 0,
+};
+
+static const struct spm_lp_scen spm_hotplug = {
+ .pcmdesc = &hotplug_pcm,
+ .pwrctrl = &hotplug_ctrl,
+};
+
+void spm_go_to_hotplug(void)
+{
+ const struct pcm_desc *pcmdesc = spm_hotplug.pcmdesc;
+ struct pwr_ctrl *pwrctrl = spm_hotplug.pwrctrl;
+
+ set_pwrctrl_pcm_flags(pwrctrl, 0);
+ spm_reset_and_init_pcm();
+ spm_kick_im_to_fetch(pcmdesc);
+ spm_set_power_control(pwrctrl);
+ spm_set_wakeup_event(pwrctrl);
+ spm_kick_pcm_to_run(pwrctrl);
+}
+
+void spm_clear_hotplug(void)
+{
+ /* Inform SPM that CPU wants to program CPU_WAKEUP_EVENT and
+ * DISABLE_CPU_DROM */
+
+ mmio_write_32(SPM_PCM_REG_DATA_INI, PCM_HANDSHAKE_SEND1);
+ mmio_write_32(SPM_PCM_PWR_IO_EN, PCM_RF_SYNC_R6);
+ mmio_write_32(SPM_PCM_PWR_IO_EN, 0);
+
+ /* Wait SPM's response, can't use sleep api */
+ while ((mmio_read_32(SPM_PCM_FSM_STA) & PCM_END_FSM_STA_MASK)
+ != PCM_END_FSM_STA_DEF)
+ ;
+
+ /* no hotplug pcm running */
+ clear_all_ready();
+}
+
+void spm_hotplug_on(unsigned long mpidr)
+{
+ unsigned long linear_id;
+
+ linear_id = platform_get_core_pos(mpidr);
+ spm_lock_get();
+ if (is_hotplug_ready() == 0) {
+ spm_mcdi_wakeup_all_cores();
+ mmio_clrbits_32(SPM_PCM_RESERVE, PCM_HOTPLUG_VALID_MASK);
+ spm_go_to_hotplug();
+ set_hotplug_ready();
+ }
+ /* turn on CPUx */
+ mmio_clrsetbits_32(SPM_PCM_RESERVE,
+ PCM_HOTPLUG_VALID_MASK | (1 << linear_id),
+ 1 << (linear_id + PCM_HOTPLUG_VALID_SHIFT));
+ spm_lock_release();
+}
+
+void spm_hotplug_off(unsigned long mpidr)
+{
+ unsigned long linear_id;
+
+ linear_id = platform_get_core_pos(mpidr);
+ spm_lock_get();
+ if (is_hotplug_ready() == 0) {
+ spm_mcdi_wakeup_all_cores();
+ mmio_clrbits_32(SPM_PCM_RESERVE, PCM_HOTPLUG_VALID_MASK);
+ spm_go_to_hotplug();
+ set_hotplug_ready();
+ }
+ mmio_clrsetbits_32(SPM_PCM_RESERVE, PCM_HOTPLUG_VALID_MASK,
+ (1 << linear_id) |
+ (1 << (linear_id + PCM_HOTPLUG_VALID_SHIFT)));
+ spm_lock_release();
+}