git.openwrt.org Git - openwrt/staging/xback.git/blob

   1 From 50799703c6c8ec0860e19b102dd7cca3d29028e1 Mon Sep 17 00:00:00 2001
   2 From: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
   3 Date: Fri, 10 Nov 2023 14:49:34 +0530
   4 Subject: [PATCH] firmware: qcom_scm: ipq5332: add support to pass
   5  metadata size
   6
   7 IPQ5332 security software running under trustzone
   8 requires metadata size. With V2 cmd, pass metadata
   9 size as well.
  10
  11 Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
  12 ---
  13  drivers/firmware/qcom//qcom_scm.c | 8 ++++++++
  14  drivers/firmware/qcom//qcom_scm.h | 1 +
  15  2 files changed, 9 insertions(+)
  16
  17 --- a/drivers/firmware/qcom/qcom_scm.c
  18 +++ b/drivers/firmware/qcom/qcom_scm.c
  19 @@ -686,6 +686,14 @@ int qcom_scm_pas_mem_setup(u32 periphera
  20         if (ret)
  21                 goto disable_clk;
  22
  23 +       if (__qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_PIL,
  24 +                                        QCOM_SCM_PAS_INIT_IMAGE_V2)) {
  25 +               desc.cmd = QCOM_SCM_PAS_INIT_IMAGE_V2;
  26 +               desc.arginfo =
  27 +                       QCOM_SCM_ARGS(3, QCOM_SCM_VAL, QCOM_SCM_RW, QCOM_SCM_VAL);
  28 +               desc.args[2] = size;
  29 +       }
  30 +
  31         ret = qcom_scm_call(__scm->dev, &desc, &res);
  32         qcom_scm_bw_disable();
  33
  34 --- a/drivers/firmware/qcom/qcom_scm.h
  35 +++ b/drivers/firmware/qcom/qcom_scm.h
  36 @@ -96,6 +96,7 @@ struct qcom_tzmem_pool *qcom_scm_get_tzm
  37
  38  #define QCOM_SCM_SVC_PIL               0x02
  39  #define QCOM_SCM_PIL_PAS_INIT_IMAGE    0x01
  40 +#define QCOM_SCM_PAS_INIT_IMAGE_V2     0x1a
  41  #define QCOM_SCM_PIL_PAS_MEM_SETUP     0x02
  42  #define QCOM_SCM_PIL_PAS_AUTH_AND_RESET        0x05
  43  #define QCOM_SCM_PIL_PAS_SHUTDOWN      0x06