Merge "fix(scmi): add missing \n in ERROR message" into integration
diff --git a/drivers/st/regulator/regulator_core.c b/drivers/st/regulator/regulator_core.c
index 94b3cef..5cc8329 100644
--- a/drivers/st/regulator/regulator_core.c
+++ b/drivers/st/regulator/regulator_core.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2021-2022, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -156,6 +156,10 @@
assert(rdev != NULL);
+ if (rdev->flags & REGUL_ALWAYS_ON) {
+ return 0;
+ }
+
ret = __regulator_set_state(rdev, STATE_DISABLE);
udelay(rdev->enable_ramp_delay);
@@ -412,6 +416,21 @@
return 0;
}
+static int parse_properties(const void *fdt, struct rdev *rdev, int node)
+{
+ int ret;
+
+ if (fdt_getprop(fdt, node, "regulator-always-on", NULL) != NULL) {
+ VERBOSE("%s: set regulator-always-on\n", rdev->desc->node_name);
+ ret = regulator_set_flag(rdev, REGUL_ALWAYS_ON);
+ if (ret != 0) {
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
/*
* Parse the device-tree for a regulator
*
@@ -476,6 +495,11 @@
return ret;
}
+ ret = parse_properties(fdt, rdev, node);
+ if (ret != 0) {
+ return ret;
+ }
+
return 0;
}
diff --git a/include/lib/cpus/aarch64/neoverse_poseidon.h b/include/lib/cpus/aarch64/neoverse_poseidon.h
new file mode 100644
index 0000000..0a8b1d1
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_poseidon.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2022, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_POSEIDON_H
+#define NEOVERSE_POSEIDON_H
+
+
+#define NEOVERSE_POSEIDON_MIDR U(0x410FD830)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_POSEIDON_CPUECTLR_EL1 S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_POSEIDON_CPUPWRCTLR_EL1 S3_0_C15_C2_7
+#define NEOVERSE_POSEIDON_CPUPWRCTLR_EL1_CORE_PWRDN_BIT U(1)
+
+#endif /* NEOVERSE_POSEIDON_H */
diff --git a/lib/cpus/aarch64/neoverse_poseidon.S b/lib/cpus/aarch64/neoverse_poseidon.S
new file mode 100644
index 0000000..43a93aa
--- /dev/null
+++ b/lib/cpus/aarch64/neoverse_poseidon.S
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <common/bl_common.h>
+#include <neoverse_poseidon.h>
+#include <cpu_macros.S>
+#include <plat_macros.S>
+
+/* Hardware handled coherency */
+#if HW_ASSISTED_COHERENCY == 0
+#error "Neoverse Poseidon must be compiled with HW_ASSISTED_COHERENCY enabled"
+#endif
+
+/* 64-bit only core */
+#if CTX_INCLUDE_AARCH32_REGS == 1
+#error "Neoverse Poseidon supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
+#endif
+
+ /* ---------------------------------------------
+ * HW will do the cache maintenance while powering down
+ * ---------------------------------------------
+ */
+func neoverse_poseidon_core_pwr_dwn
+ /* ---------------------------------------------
+ * Enable CPU power down bit in power control register
+ * ---------------------------------------------
+ */
+ mrs x0, NEOVERSE_POSEIDON_CPUPWRCTLR_EL1
+ orr x0, x0, #NEOVERSE_POSEIDON_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
+ msr NEOVERSE_POSEIDON_CPUPWRCTLR_EL1, x0
+ isb
+ ret
+endfunc neoverse_poseidon_core_pwr_dwn
+
+#if REPORT_ERRATA
+ /*
+ * Errata printing function for Neoverse Poseidon. Must follow AAPCS.
+ */
+func neoverse_poseidon_errata_report
+ ret
+endfunc neoverse_poseidon_errata_report
+#endif
+
+func neoverse_poseidon_reset_func
+ /* Disable speculative loads */
+ msr SSBS, xzr
+ isb
+ ret
+endfunc neoverse_poseidon_reset_func
+
+ /* ---------------------------------------------
+ * This function provides Neoverse-Poseidon specific
+ * register information for crash reporting.
+ * It needs to return with x6 pointing to
+ * a list of register names in ascii and
+ * x8 - x15 having values of registers to be
+ * reported.
+ * ---------------------------------------------
+ */
+.section .rodata.neoverse_poseidon_regs, "aS"
+neoverse_poseidon_regs: /* The ascii list of register names to be reported */
+ .asciz "cpuectlr_el1", ""
+
+func neoverse_poseidon_cpu_reg_dump
+ adr x6, neoverse_poseidon_regs
+ mrs x8, NEOVERSE_POSEIDON_CPUECTLR_EL1
+ ret
+endfunc neoverse_poseidon_cpu_reg_dump
+
+declare_cpu_ops neoverse_poseidon, NEOVERSE_POSEIDON_MIDR, \
+ neoverse_poseidon_reset_func, \
+ neoverse_poseidon_core_pwr_dwn
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index e184c3f..a24a2e5 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -143,7 +143,8 @@
lib/cpus/aarch64/cortex_a78c.S \
lib/cpus/aarch64/cortex_hayes.S \
lib/cpus/aarch64/cortex_hunter.S \
- lib/cpus/aarch64/cortex_x2.S
+ lib/cpus/aarch64/cortex_x2.S \
+ lib/cpus/aarch64/neoverse_poseidon.S
endif
# AArch64/AArch32 cores
FVP_CPU_LIBS += lib/cpus/aarch64/cortex_a55.S \