diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2008-04-24 11:55:25 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-05-07 15:02:22 -0400 |
| commit | 30d59260d54686681e36d3055ff58c58ca3617da (patch) | |
| tree | 3c2b4d1c04d27b2d99e77354edde19edd2b307be /drivers | |
| parent | da8dec29d7928dcc4ddf6b41d7c4c9cef522c9df (diff) | |
iwlwifi-5000: add apm_init handler for 5000 HW family
This patch adds apm_init handler for 5000 HW family
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 3dd0b12b155..32c591c0865 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -46,6 +46,46 @@ #define IWL5000_UCODE_API "-1" +static int iwl5000_apm_init(struct iwl_priv *priv) +{ + int ret = 0; + + iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, + CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); + + iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL); + + /* set "initialization complete" bit to move adapter + * D0U* --> D0A* state */ + iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + + /* wait for clock stabilization */ + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + if (ret < 0) { + IWL_DEBUG_INFO("Failed to init the card\n"); + return ret; + } + + ret = iwl_grab_nic_access(priv); + if (ret) + return ret; + + /* enable DMA */ + iwl_write_prph(priv, APMG_CLK_EN_REG, + APMG_CLK_VAL_DMA_CLK_RQT); + + udelay(20); + + iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG, + APMG_PCIDEV_STT_VAL_L1_ACT_DIS); + + iwl_release_nic_access(priv); + + return ret; +} + static struct iwl_hcmd_ops iwl5000_hcmd = { }; @@ -53,6 +93,9 @@ static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = { }; static struct iwl_lib_ops iwl5000_lib = { + .apm_ops = { + .init = iwl5000_apm_init, + }, .eeprom_ops = { .verify_signature = iwlcore_eeprom_verify_signature, .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, |