265 lines
7.6 KiB
Plaintext
265 lines
7.6 KiB
Plaintext
Qualcomm Hexagon Peripheral Image Loader
|
|
|
|
This document defines the binding for a component that loads and boots firmware
|
|
on the Qualcomm Hexagon core.
|
|
|
|
- compatible:
|
|
Usage: required
|
|
Value type: <string>
|
|
Definition: must be one of:
|
|
"qcom,q6v5-pil",
|
|
"qcom,ipq8074-wcss-pil"
|
|
"qcom,qcs404-wcss-pil"
|
|
"qcom,msm8916-mss-pil",
|
|
"qcom,msm8974-mss-pil"
|
|
"qcom,msm8996-mss-pil"
|
|
"qcom,msm8998-mss-pil"
|
|
"qcom,sdm845-mss-pil"
|
|
|
|
- reg:
|
|
Usage: required
|
|
Value type: <prop-encoded-array>
|
|
Definition: must specify the base address and size of the qdsp6 and
|
|
rmb register blocks
|
|
|
|
- reg-names:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: must be "q6dsp" and "rmb"
|
|
|
|
- interrupts-extended:
|
|
Usage: required
|
|
Value type: <prop-encoded-array>
|
|
Definition: reference to the interrupts that match interrupt-names
|
|
|
|
- interrupt-names:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: The interrupts needed depends on the compatible
|
|
string:
|
|
qcom,q6v5-pil:
|
|
qcom,ipq8074-wcss-pil:
|
|
qcom,qcs404-wcss-pil:
|
|
qcom,msm8916-mss-pil:
|
|
qcom,msm8974-mss-pil:
|
|
must be "wdog", "fatal", "ready", "handover", "stop-ack"
|
|
qcom,msm8996-mss-pil:
|
|
qcom,msm8998-mss-pil:
|
|
qcom,sdm845-mss-pil:
|
|
must be "wdog", "fatal", "ready", "handover", "stop-ack",
|
|
"shutdown-ack"
|
|
|
|
- firmware-name:
|
|
Usage: optional
|
|
Value type: <stringlist>
|
|
Definition: must list the relative firmware image paths for mba and
|
|
modem. They are used for booting and authenticating the
|
|
Hexagon core.
|
|
|
|
- clocks:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the clocks that match clock-names
|
|
|
|
- clock-names:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: The clocks needed depend on the compatible string:
|
|
qcom,ipq8074-wcss-pil:
|
|
no clock names required
|
|
qcom,qcs404-wcss-pil:
|
|
must be "xo", "gcc_abhs_cbcr", "gcc_abhs_cbcr",
|
|
"gcc_axim_cbcr", "lcc_ahbfabric_cbc", "tcsr_lcc_cbc",
|
|
"lcc_abhs_cbc", "lcc_tcm_slave_cbc", "lcc_abhm_cbc",
|
|
"lcc_axim_cbc", "lcc_bcr_sleep"
|
|
qcom,q6v5-pil:
|
|
qcom,msm8916-mss-pil:
|
|
qcom,msm8974-mss-pil:
|
|
must be "iface", "bus", "mem", "xo"
|
|
qcom,msm8996-mss-pil:
|
|
must be "iface", "bus", "mem", "xo", "gpll0_mss",
|
|
"snoc_axi", "mnoc_axi", "pnoc", "qdss"
|
|
qcom,msm8998-mss-pil:
|
|
must be "iface", "bus", "mem", "xo", "gpll0_mss",
|
|
"snoc_axi", "mnoc_axi", "qdss"
|
|
qcom,sdm845-mss-pil:
|
|
must be "iface", "bus", "mem", "xo", "gpll0_mss",
|
|
"snoc_axi", "mnoc_axi", "prng"
|
|
|
|
- resets:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the reset-controller for the modem sub-system
|
|
reference to the list of 3 reset-controllers for the
|
|
wcss sub-system
|
|
reference to the list of 2 reset-controllers for the modem
|
|
sub-system on SDM845 SoCs
|
|
|
|
- reset-names:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: must be "mss_restart" for the modem sub-system
|
|
must be "wcss_aon_reset", "wcss_reset", "wcss_q6_reset"
|
|
for the wcss sub-system
|
|
must be "mss_restart", "pdc_reset" for the modem
|
|
sub-system on SDM845 SoCs
|
|
|
|
For devices where the mba and mpss sub-nodes are not specified, mba/mpss region
|
|
should be referenced as follows:
|
|
- memory-region:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the reserved-memory for the mba region followed
|
|
by the mpss region
|
|
|
|
For the compatible strings below the following supplies are required:
|
|
"qcom,q6v5-pil"
|
|
"qcom,msm8916-mss-pil",
|
|
- cx-supply: (deprecated, use power domain instead)
|
|
- mx-supply: (deprecated, use power domain instead)
|
|
- pll-supply:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the regulators to be held on behalf of the
|
|
booting of the Hexagon core
|
|
|
|
For the compatible string below the following supplies are required:
|
|
"qcom,msm8974-mss-pil"
|
|
- cx-supply: (deprecated, use power domain instead)
|
|
- mss-supply:
|
|
- mx-supply: (deprecated, use power domain instead)
|
|
- pll-supply:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the regulators to be held on behalf of the
|
|
booting of the Hexagon core
|
|
|
|
For the compatible string below the following supplies are required:
|
|
"qcom,qcs404-wcss-pil"
|
|
- cx-supply:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the regulators to be held on behalf of the
|
|
booting of the Hexagon core
|
|
|
|
For the compatible string below the following supplies are required:
|
|
"qcom,msm8996-mss-pil"
|
|
- pll-supply:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the regulators to be held on behalf of the
|
|
booting of the Hexagon core
|
|
|
|
- power-domains:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to power-domains that match power-domain-names
|
|
|
|
- power-domain-names:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: The power-domains needed depend on the compatible string:
|
|
qcom,ipq8074-wcss-pil:
|
|
no power-domain names required
|
|
qcom,q6v5-pil:
|
|
qcom,msm8916-mss-pil:
|
|
qcom,msm8974-mss-pil:
|
|
qcom,msm8996-mss-pil:
|
|
qcom,msm8998-mss-pil:
|
|
must be "cx", "mx"
|
|
qcom,sdm845-mss-pil:
|
|
must be "cx", "mx", "mss"
|
|
|
|
- qcom,qmp:
|
|
Usage: optional
|
|
Value type: <phandle>
|
|
Definition: reference to the AOSS side-channel message RAM.
|
|
|
|
- qcom,smem-states:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the smem state for requesting the Hexagon to
|
|
shut down
|
|
|
|
- qcom,smem-state-names:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: must be "stop"
|
|
|
|
- qcom,halt-regs:
|
|
Usage: required
|
|
Value type: <prop-encoded-array>
|
|
Definition: a phandle reference to a syscon representing TCSR followed
|
|
by the three offsets within syscon for q6, modem and nc
|
|
halt registers.
|
|
|
|
The Hexagon node must contain iommus property as described in ../iommu/iommu.txt
|
|
on platforms which do not have TrustZone.
|
|
|
|
= SUBNODES:
|
|
The Hexagon node must contain two subnodes, named "mba" and "mpss" representing
|
|
the memory regions used by the Hexagon firmware. Each sub-node must contain:
|
|
|
|
- memory-region:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: reference to the reserved-memory for the region
|
|
|
|
The Hexagon node may also have an subnode named either "smd-edge" or
|
|
"glink-edge" that describes the communication edge, channels and devices
|
|
related to the Hexagon. See ../soc/qcom/qcom,smd.yaml and
|
|
../soc/qcom/qcom,glink.txt for details on how to describe these.
|
|
|
|
= EXAMPLE
|
|
The following example describes the resources needed to boot control the
|
|
Hexagon, as it is found on MSM8974 boards.
|
|
|
|
remoteproc@fc880000 {
|
|
compatible = "qcom,msm8974-mss-pil";
|
|
reg = <0xfc880000 0x100>, <0xfc820000 0x020>;
|
|
reg-names = "qdsp6", "rmb";
|
|
|
|
interrupts-extended = <&intc GIC_SPI 24 IRQ_TYPE_EDGE_RISING>,
|
|
<&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
|
|
<&modem_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
|
|
<&modem_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
|
|
<&modem_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
|
|
interrupt-names = "wdog", "fatal", "ready", "handover", "stop-ack";
|
|
|
|
clocks = <&gcc GCC_MSS_Q6_BIMC_AXI_CLK>,
|
|
<&gcc GCC_MSS_CFG_AHB_CLK>,
|
|
<&gcc GCC_BOOT_ROM_AHB_CLK>,
|
|
<&xo_board>;
|
|
clock-names = "iface", "bus", "mem", "xo";
|
|
|
|
resets = <&gcc GCC_MSS_RESTART>;
|
|
reset-names = "mss_restart";
|
|
|
|
cx-supply = <&pm8841_s2>;
|
|
mss-supply = <&pm8841_s3>;
|
|
mx-supply = <&pm8841_s1>;
|
|
pll-supply = <&pm8941_l12>;
|
|
|
|
qcom,halt-regs = <&tcsr_mutex_block 0x1180 0x1200 0x1280>;
|
|
|
|
qcom,smem-states = <&modem_smp2p_out 0>;
|
|
qcom,smem-state-names = "stop";
|
|
|
|
mba {
|
|
memory-region = <&mba_region>;
|
|
};
|
|
|
|
mpss {
|
|
memory-region = <&mpss_region>;
|
|
};
|
|
|
|
smd-edge {
|
|
interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
|
|
|
|
qcom,ipc = <&apcs 8 12>;
|
|
qcom,smd-edge = <0>;
|
|
|
|
label = "modem";
|
|
};
|
|
};
|