diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2016-10-19 11:18:15 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-10-19 11:18:14 -0700 |
| commit | 8f2de5c26acffb94e37dd42a08aa31ad66cc5f37 (patch) | |
| tree | 80f321ff295cd62c4e813fc6badb64fa1e3f3517 /drivers/soc | |
| parent | d5f54abbc5223393034ddbba0df990bec9c5a50c (diff) | |
| parent | 312d5909bbb3aeac23c7c9f52725145b6a0a020d (diff) | |
Merge "icnss: Switch to CXO before XO disable"
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/qcom/icnss.c | 53 |
1 files changed, 45 insertions, 8 deletions
diff --git a/drivers/soc/qcom/icnss.c b/drivers/soc/qcom/icnss.c index bf8fda931302..2d3d96fe80e1 100644 --- a/drivers/soc/qcom/icnss.c +++ b/drivers/soc/qcom/icnss.c @@ -107,6 +107,18 @@ module_param(qmi_timeout, ulong, 0600); #define WCSS_CLK_CTL_WCSS_CSS_GDSCR_HW_CONTROL BIT(1) #define WCSS_CLK_CTL_WCSS_CSS_GDSCR_PWR_ON BIT(31) +#define WCSS_CLK_CTL_NOC_CMD_RCGR_OFFSET 0x1D1030 +#define WCSS_CLK_CTL_NOC_CMD_RCGR_UPDATE BIT(0) + +#define WCSS_CLK_CTL_NOC_CFG_RCGR_OFFSET 0x1D1034 +#define WCSS_CLK_CTL_NOC_CFG_RCGR_SRC_SEL GENMASK(10, 8) + +#define WCSS_CLK_CTL_REF_CMD_RCGR_OFFSET 0x1D602C +#define WCSS_CLK_CTL_REF_CMD_RCGR_UPDATE BIT(0) + +#define WCSS_CLK_CTL_REF_CFG_RCGR_OFFSET 0x1D6030 +#define WCSS_CLK_CTL_REF_CFG_RCGR_SRC_SEL GENMASK(10, 8) + /* * Registers: WCSS_HM_A_WIFI_APB_3_A_WCMN_MAC_WCMN_REG * Base Address: 0x18AF0000 @@ -1084,7 +1096,7 @@ static void icnss_hw_io_reset(struct icnss_priv *priv, bool on) } } -int icnss_hw_reset_wlan_ss_power_down(struct icnss_priv *priv) +static int icnss_hw_reset_wlan_ss_power_down(struct icnss_priv *priv) { u32 rdata; @@ -1116,7 +1128,7 @@ int icnss_hw_reset_wlan_ss_power_down(struct icnss_priv *priv) return 0; } -int icnss_hw_reset_common_ss_power_down(struct icnss_priv *priv) +static int icnss_hw_reset_common_ss_power_down(struct icnss_priv *priv) { u32 rdata; @@ -1161,7 +1173,7 @@ int icnss_hw_reset_common_ss_power_down(struct icnss_priv *priv) } -int icnss_hw_reset_wlan_rfactrl_power_down(struct icnss_priv *priv) +static int icnss_hw_reset_wlan_rfactrl_power_down(struct icnss_priv *priv) { u32 rdata; @@ -1191,7 +1203,7 @@ int icnss_hw_reset_wlan_rfactrl_power_down(struct icnss_priv *priv) return 0; } -void icnss_hw_wsi_cmd_error_recovery(struct icnss_priv *priv) +static void icnss_hw_wsi_cmd_error_recovery(struct icnss_priv *priv) { icnss_pr_dbg("RESET: WSI CMD Error recovery, state: 0x%lx\n", priv->state); @@ -1215,7 +1227,7 @@ void icnss_hw_wsi_cmd_error_recovery(struct icnss_priv *priv) PMM_WSI_CMD_SW_BUS_SYNC, 0); } -u32 icnss_hw_rf_register_read_command(struct icnss_priv *priv, u32 addr) +static u32 icnss_hw_rf_register_read_command(struct icnss_priv *priv, u32 addr) { u32 rdata = 0; int ret; @@ -1264,7 +1276,7 @@ u32 icnss_hw_rf_register_read_command(struct icnss_priv *priv, u32 addr) return rdata; } -int icnss_hw_reset_rf_reset_cmd(struct icnss_priv *priv) +static int icnss_hw_reset_rf_reset_cmd(struct icnss_priv *priv) { u32 rdata; int ret; @@ -1318,7 +1330,30 @@ int icnss_hw_reset_rf_reset_cmd(struct icnss_priv *priv) return 0; } -int icnss_hw_reset_xo_disable_cmd(struct icnss_priv *priv) +static int icnss_hw_reset_switch_to_cxo(struct icnss_priv *priv) +{ + icnss_pr_dbg("RESET: Switch to CXO, state: 0x%lx\n", priv->state); + + icnss_hw_write_reg_field(priv->mem_base_va, + WCSS_CLK_CTL_NOC_CFG_RCGR_OFFSET, + WCSS_CLK_CTL_NOC_CFG_RCGR_SRC_SEL, 0); + + icnss_hw_write_reg_field(priv->mem_base_va, + WCSS_CLK_CTL_NOC_CMD_RCGR_OFFSET, + WCSS_CLK_CTL_NOC_CMD_RCGR_UPDATE, 1); + + icnss_hw_write_reg_field(priv->mem_base_va, + WCSS_CLK_CTL_REF_CFG_RCGR_OFFSET, + WCSS_CLK_CTL_REF_CFG_RCGR_SRC_SEL, 0); + + icnss_hw_write_reg_field(priv->mem_base_va, + WCSS_CLK_CTL_REF_CMD_RCGR_OFFSET, + WCSS_CLK_CTL_REF_CMD_RCGR_UPDATE, 1); + + return 0; +} + +static int icnss_hw_reset_xo_disable_cmd(struct icnss_priv *priv) { int ret; @@ -1366,7 +1401,7 @@ int icnss_hw_reset_xo_disable_cmd(struct icnss_priv *priv) return 0; } -int icnss_hw_reset(struct icnss_priv *priv) +static int icnss_hw_reset(struct icnss_priv *priv) { u32 rdata; u32 rdata1; @@ -1424,6 +1459,8 @@ int icnss_hw_reset(struct icnss_priv *priv) icnss_hw_reset_rf_reset_cmd(priv); + icnss_hw_reset_switch_to_cxo(priv); + icnss_hw_reset_xo_disable_cmd(priv); icnss_hw_write_reg_field(priv->mpm_config_va, MPM_WCSSAON_CONFIG_OFFSET, |