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feat(tc): add MHUv3 doorbell support on TC3

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Enables the doorbell channels in MHUv3 for TC3.

Change-Id: Ib4f47df3e54f9182939ea6c1d8bc1a66a3c03094
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
This commit is contained in:
Leo Yan 2024-05-22 15:42:46 +01:00
parent d2b1eb80af
commit 4f65c0beaa
2 changed files with 15 additions and 1 deletions
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6
include/drivers/arm/css/css_mhu_doorbell.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2014-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -22,6 +22,10 @@
#define SENDER_REG_STAT(_channel) (0x20 * (_channel))
#define SENDER_REG_SET(_channel) ((0x20 * (_channel)) + 0xC)
#define MHU_V3_PBX_PDBCW_PAGE_OFFSET UL(0x1000)
#define MHU_V3_SENDER_REG_SET(_channel) (MHU_V3_PBX_PDBCW_PAGE_OFFSET + \
SENDER_REG_SET(_channel))
/* Helper macro to ring doorbell */
#define MHU_RING_DOORBELL(addr, modify_mask, preserve_mask) do { \
uint32_t db = mmio_read_32(addr) & (preserve_mask); \

10
plat/arm/board/tc/tc_bl31_setup.c
View file

@ -50,6 +50,7 @@ psa_status_t mbedtls_psa_external_get_random(
}
#endif /* PLATFORM_TEST_TFM_TESTSUITE */
#if TARGET_PLATFORM <= 2
static scmi_channel_plat_info_t tc_scmi_plat_info = {
.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
.db_reg_addr = PLAT_CSS_MHU_BASE + SENDER_REG_SET(0),
@ -57,6 +58,15 @@ static scmi_channel_plat_info_t tc_scmi_plat_info = {
.db_modify_mask = 0x1,
.ring_doorbell = &mhuv2_ring_doorbell,
};
#elif TARGET_PLATFORM == 3
static scmi_channel_plat_info_t tc_scmi_plat_info = {
.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
.db_reg_addr = PLAT_CSS_MHU_BASE + MHU_V3_SENDER_REG_SET(0),
.db_preserve_mask = 0xfffffffe,
.db_modify_mask = 0x1,
.ring_doorbell = &mhu_ring_doorbell,
};
#endif
void bl31_platform_setup(void)
{