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i3c: i3c-master-qcom-geni: Add HW and FW version read support

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This change adds the support to read Firmware and QUP HW version
during probe time. This helps to take decision during debug and
also serves as a debug information.

Change-Id: I3d5de6bc11dd5b30bbc0e345d9b48b342c4ff3ed
Signed-off-by: Mukesh Kumar Savaliya <msavaliy@codeaurora.org>
This commit is contained in:
Mukesh Kumar Savaliya 2020-10-19 17:31:56 +05:30
parent 554cd52a96
commit 62f02fd389
1 changed files with 32 additions and 0 deletions
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32
drivers/i3c/master/i3c-master-qcom-geni.c
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@ -244,6 +244,15 @@ struct rcvd_ibi_data {
u32 payload;
};
struct geni_i3c_ver_info {
int hw_major_ver;
int hw_minor_ver;
int hw_step_ver;
int m_fw_ver;
int s_fw_ver;
};
struct geni_ibi {
bool hw_support;
bool is_init;
@ -283,6 +292,7 @@ struct geni_i3c_dev {
struct work_struct hj_wd;
struct wakeup_source *hj_wl;
struct pinctrl_state *i3c_gpio_disable;
struct geni_i3c_ver_info ver_info;
};
struct geni_i3c_i2c_dev_data {
@ -1990,6 +2000,26 @@ static int i3c_ibi_rsrcs_init(struct geni_i3c_dev *gi3c,
return 0;
}
static void geni_i3c_get_ver_info(struct geni_i3c_dev *gi3c)
{
int hw_ver;
unsigned int major, minor, step;
hw_ver = geni_se_qupv3_hw_version(gi3c->se.i3c_rsc.wrapper_dev,
&major, &minor, &step);
if (hw_ver)
GENI_SE_ERR(gi3c->ipcl, true, gi3c->se.dev,
"%s:Error reading HW version %d\n", __func__, hw_ver);
else
GENI_SE_DBG(gi3c->ipcl, false, gi3c->se.dev,
"%s:Major:%d Minor:%d step:%d\n", __func__, major, minor, step);
gi3c->ver_info.m_fw_ver = get_se_m_fw(gi3c->se.base);
gi3c->ver_info.s_fw_ver = get_se_s_fw(gi3c->se.base);
GENI_SE_DBG(gi3c->ipcl, false, gi3c->se.dev, "%s:FW Ver:0x%x%x\n",
__func__, gi3c->ver_info.m_fw_ver, gi3c->ver_info.s_fw_ver);
}
static int geni_i3c_probe(struct platform_device *pdev)
{
struct geni_i3c_dev *gi3c;
@ -2059,6 +2089,8 @@ static int geni_i3c_probe(struct platform_device *pdev)
"Invalid proto %d\n", proto);
ret = -ENXIO;
goto geni_resources_off;
} else {
geni_i3c_get_ver_info(gi3c);
}
se_mode = geni_read_reg(gi3c->se.base, GENI_IF_FIFO_DISABLE_RO);