diff options
| author | Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> | 2018-01-10 11:33:28 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-01-15 11:35:37 -0500 |
| commit | 210d95929467e6cbf9f771171abdd81bd5461a0e (patch) | |
| tree | a8890838f0a58342c0657f70c1ac4921edc6b3bc /drivers | |
| parent | 3dde8f20377c3a051dda64497bdf0cdb23e03a2d (diff) | |
spmi: msm: display the PMIC Arb version (debug)
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spmi/spmi-msm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/spmi/spmi-msm.c b/drivers/spmi/spmi-msm.c index c226913f9e..dd7a1ead11 100644 --- a/drivers/spmi/spmi-msm.c +++ b/drivers/spmi/spmi-msm.c @@ -17,6 +17,10 @@ DECLARE_GLOBAL_DATA_PTR; +/* PMIC Arbiter configuration registers */ +#define PMIC_ARB_VERSION 0x0000 +#define PMIC_ARB_VERSION_V2_MIN 0x20010000 + #define ARB_CHANNEL_OFFSET(n) (0x4 * (n)) #define SPMI_CH_OFFSET(chnl) ((chnl) * 0x8000) @@ -148,6 +152,8 @@ static int msm_spmi_probe(struct udevice *dev) struct udevice *parent = dev->parent; struct msm_spmi_priv *priv = dev_get_priv(dev); int node = dev_of_offset(dev); + u32 hw_ver; + bool is_v1; int i; priv->arb_chnl = devfdt_get_addr(dev); @@ -155,6 +161,12 @@ static int msm_spmi_probe(struct udevice *dev) dev_of_offset(parent), node, "reg", 1, NULL, false); priv->spmi_obs = fdtdec_get_addr_size_auto_parent(gd->fdt_blob, dev_of_offset(parent), node, "reg", 2, NULL, false); + + hw_ver = readl(priv->arb_chnl + PMIC_ARB_VERSION - 0x800); + is_v1 = (hw_ver < PMIC_ARB_VERSION_V2_MIN); + + dev_dbg(dev, "PMIC Arb Version-%d (0x%x)\n", (is_v1 ? 1 : 2), hw_ver); + if (priv->arb_chnl == FDT_ADDR_T_NONE || priv->spmi_core == FDT_ADDR_T_NONE || priv->spmi_obs == FDT_ADDR_T_NONE) |