static int ath10k_download_board_data(struct ath10k *ar)
{
u32 board_data_size = QCA988X_BOARD_DATA_SZ;
u32 address;
int ret;
ret = ath10k_push_board_ext_data(ar);
if (ret) {
ath10k_err(ar, "could not push board ext data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_read32(ar, hi_board_data, &address);
if (ret) {
ath10k_err(ar, "could not read board data addr (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write_memory(ar, address, ar->board_data,
min_t(u32, board_data_size,
ar->board_len));
if (ret) {
ath10k_err(ar, "could not write board data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
if (ret) {
ath10k_err(ar, "could not write board data bit (%d)\n", ret);
goto exit;
}
exit:
return ret;
}
int ath10k_swap_code_seg_configure(struct ath10k *ar,
enum ath10k_swap_code_seg_bin_type type)
{
int ret;
struct ath10k_swap_code_seg_info *seg_info = NULL;
switch (type) {
case ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW:
if (!ar->swap.firmware_swap_code_seg_info)
return 0;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot found firmware code swap binary\n");
seg_info = ar->swap.firmware_swap_code_seg_info;
break;
default:
case ATH10K_SWAP_CODE_SEG_BIN_TYPE_OTP:
case ATH10K_SWAP_CODE_SEG_BIN_TYPE_UTF:
ath10k_warn(ar, "ignoring unknown code swap binary type %d\n",
type);
return 0;
}
ret = ath10k_bmi_write_memory(ar, seg_info->target_addr,
&seg_info->seg_hw_info,
sizeof(seg_info->seg_hw_info));
if (ret) {
ath10k_err(ar, "failed to write Code swap segment information (%d)\n",
ret);
return ret;
}
return 0;
}
static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
size_t data_len)
{
u32 board_data_size = ar->hw_params.fw.board_size;
u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
u32 board_ext_data_addr;
int ret;
ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
if (ret) {
ath10k_err(ar, "could not read board ext data addr (%d)\n",
ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot push board extended data addr 0x%x\n",
board_ext_data_addr);
if (board_ext_data_addr == 0)
return 0;
if (data_len != (board_data_size + board_ext_data_size)) {
ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
data_len, board_data_size, board_ext_data_size);
return -EINVAL;
}
ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
data + board_data_size,
board_ext_data_size);
if (ret) {
ath10k_err(ar, "could not write board ext data (%d)\n", ret);
return ret;
}
ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
(board_ext_data_size << 16) | 1);
if (ret) {
ath10k_err(ar, "could not write board ext data bit (%d)\n",
ret);
return ret;
}
return 0;
}
static int ath10k_push_board_ext_data(struct ath10k *ar)
{
u32 board_data_size = QCA988X_BOARD_DATA_SZ;
u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ;
u32 board_ext_data_addr;
int ret;
ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
if (ret) {
ath10k_err(ar, "could not read board ext data addr (%d)\n",
ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot push board extended data addr 0x%x\n",
board_ext_data_addr);
if (board_ext_data_addr == 0)
return 0;
if (ar->board_len != (board_data_size + board_ext_data_size)) {
ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
ar->board_len, board_data_size, board_ext_data_size);
return -EINVAL;
}
ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
ar->board_data + board_data_size,
board_ext_data_size);
if (ret) {
ath10k_err(ar, "could not write board ext data (%d)\n", ret);
return ret;
}
ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
(board_ext_data_size << 16) | 1);
if (ret) {
ath10k_err(ar, "could not write board ext data bit (%d)\n",
ret);
return ret;
}
return 0;
}
static int ath10k_download_board_data(struct ath10k *ar)
{
u32 board_data_size = QCA988X_BOARD_DATA_SZ;
u32 address;
const struct firmware *fw;
int ret;
fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
ar->hw_params.fw.board);
if (IS_ERR(fw)) {
ath10k_err("could not fetch board data fw file (%ld)\n",
PTR_ERR(fw));
return PTR_ERR(fw);
}
ret = ath10k_push_board_ext_data(ar, fw);
if (ret) {
ath10k_err("could not push board ext data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_read32(ar, hi_board_data, &address);
if (ret) {
ath10k_err("could not read board data addr (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write_memory(ar, address, fw->data,
min_t(u32, board_data_size, fw->size));
if (ret) {
ath10k_err("could not write board data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
if (ret) {
ath10k_err("could not write board data bit (%d)\n", ret);
goto exit;
}
exit:
release_firmware(fw);
return ret;
}
static int ath10k_push_board_ext_data(struct ath10k *ar,
const struct firmware *fw)
{
u32 board_data_size = QCA988X_BOARD_DATA_SZ;
u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ;
u32 board_ext_data_addr;
int ret;
ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
if (ret) {
ath10k_err("could not read board ext data addr (%d)\n", ret);
return ret;
}
ath10k_dbg(ATH10K_DBG_CORE,
"ath10k: Board extended Data download addr: 0x%x\n",
board_ext_data_addr);
if (board_ext_data_addr == 0)
return 0;
if (fw->size != (board_data_size + board_ext_data_size)) {
ath10k_err("invalid board (ext) data sizes %zu != %d+%d\n",
fw->size, board_data_size, board_ext_data_size);
return -EINVAL;
}
ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
fw->data + board_data_size,
board_ext_data_size);
if (ret) {
ath10k_err("could not write board ext data (%d)\n", ret);
return ret;
}
ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
(board_ext_data_size << 16) | 1);
if (ret) {
ath10k_err("could not write board ext data bit (%d)\n", ret);
return ret;
}
return 0;
}
static int ath10k_download_board_data(struct ath10k *ar, const void *data,
size_t data_len)
{
u32 board_data_size = ar->hw_params.fw.board_size;
u32 address;
int ret;
ret = ath10k_push_board_ext_data(ar, data, data_len);
if (ret) {
ath10k_err(ar, "could not push board ext data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_read32(ar, hi_board_data, &address);
if (ret) {
ath10k_err(ar, "could not read board data addr (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write_memory(ar, address, data,
min_t(u32, board_data_size,
data_len));
if (ret) {
ath10k_err(ar, "could not write board data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
if (ret) {
ath10k_err(ar, "could not write board data bit (%d)\n", ret);
goto exit;
}
exit:
return ret;
}
int ath10k_swap_code_seg_configure(struct ath10k *ar,
const struct ath10k_fw_file *fw_file)
{
int ret;
struct ath10k_swap_code_seg_info *seg_info = NULL;
if (!fw_file->firmware_swap_code_seg_info)
return 0;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot found firmware code swap binary\n");
seg_info = fw_file->firmware_swap_code_seg_info;
ret = ath10k_bmi_write_memory(ar, seg_info->target_addr,
&seg_info->seg_hw_info,
sizeof(seg_info->seg_hw_info));
if (ret) {
ath10k_err(ar, "failed to write Code swap segment information (%d)\n",
ret);
return ret;
}
return 0;
}
/**
* ath10k_hw_qca6174_enable_pll_clock() - enable the qca6174 hw pll clock
* @ar: the ath10k blob
*
* This function is very hardware specific, the clock initialization
* steps is very sensitive and could lead to unknown crash, so they
* should be done in sequence.
*
* *** Be aware if you planned to refactor them. ***
*
* Return: 0 if successfully enable the pll, otherwise EINVAL
*/
static int ath10k_hw_qca6174_enable_pll_clock(struct ath10k *ar)
{
int ret, wait_limit;
u32 clk_div_addr, pll_init_addr, speed_addr;
u32 addr, reg_val, mem_val;
struct ath10k_hw_params *hw;
const struct ath10k_hw_clk_params *hw_clk;
hw = &ar->hw_params;
if (ar->regs->core_clk_div_address == 0 ||
ar->regs->cpu_pll_init_address == 0 ||
ar->regs->cpu_speed_address == 0)
return -EINVAL;
clk_div_addr = ar->regs->core_clk_div_address;
pll_init_addr = ar->regs->cpu_pll_init_address;
speed_addr = ar->regs->cpu_speed_address;
/* Read efuse register to find out the right hw clock configuration */
addr = (RTC_SOC_BASE_ADDRESS | EFUSE_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
/* sanitize if the hw refclk index is out of the boundary */
if (MS(reg_val, EFUSE_XTAL_SEL) > ATH10K_HW_REFCLK_COUNT)
return -EINVAL;
hw_clk = &hw->hw_clk[MS(reg_val, EFUSE_XTAL_SEL)];
/* Set the rnfrac and outdiv params to bb_pll register */
addr = (RTC_SOC_BASE_ADDRESS | BB_PLL_CONFIG_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
reg_val &= ~(BB_PLL_CONFIG_FRAC_MASK | BB_PLL_CONFIG_OUTDIV_MASK);
reg_val |= (SM(hw_clk->rnfrac, BB_PLL_CONFIG_FRAC) |
SM(hw_clk->outdiv, BB_PLL_CONFIG_OUTDIV));
ret = ath10k_bmi_write_soc_reg(ar, addr, reg_val);
if (ret)
return -EINVAL;
/* Set the correct settle time value to pll_settle register */
addr = (RTC_WMAC_BASE_ADDRESS | WLAN_PLL_SETTLE_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
reg_val &= ~WLAN_PLL_SETTLE_TIME_MASK;
reg_val |= SM(hw_clk->settle_time, WLAN_PLL_SETTLE_TIME);
ret = ath10k_bmi_write_soc_reg(ar, addr, reg_val);
if (ret)
return -EINVAL;
/* Set the clock_ctrl div to core_clk_ctrl register */
addr = (RTC_SOC_BASE_ADDRESS | SOC_CORE_CLK_CTRL_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
reg_val &= ~SOC_CORE_CLK_CTRL_DIV_MASK;
reg_val |= SM(1, SOC_CORE_CLK_CTRL_DIV);
ret = ath10k_bmi_write_soc_reg(ar, addr, reg_val);
if (ret)
return -EINVAL;
/* Set the clock_div register */
mem_val = 1;
ret = ath10k_bmi_write_memory(ar, clk_div_addr, &mem_val,
sizeof(mem_val));
if (ret)
return -EINVAL;
/* Configure the pll_control register */
addr = (RTC_WMAC_BASE_ADDRESS | WLAN_PLL_CONTROL_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
reg_val |= (SM(hw_clk->refdiv, WLAN_PLL_CONTROL_REFDIV) |
SM(hw_clk->div, WLAN_PLL_CONTROL_DIV) |
SM(1, WLAN_PLL_CONTROL_NOPWD));
ret = ath10k_bmi_write_soc_reg(ar, addr, reg_val);
if (ret)
return -EINVAL;
/* busy wait (max 1s) the rtc_sync status register indicate ready */
wait_limit = 100000;
addr = (RTC_WMAC_BASE_ADDRESS | RTC_SYNC_STATUS_OFFSET);
do {
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
if (!MS(reg_val, RTC_SYNC_STATUS_PLL_CHANGING))
break;
wait_limit--;
udelay(10);
} while (wait_limit > 0);
if (MS(reg_val, RTC_SYNC_STATUS_PLL_CHANGING))
return -EINVAL;
/* Unset the pll_bypass in pll_control register */
addr = (RTC_WMAC_BASE_ADDRESS | WLAN_PLL_CONTROL_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
reg_val &= ~WLAN_PLL_CONTROL_BYPASS_MASK;
reg_val |= SM(0, WLAN_PLL_CONTROL_BYPASS);
ret = ath10k_bmi_write_soc_reg(ar, addr, reg_val);
if (ret)
return -EINVAL;
/* busy wait (max 1s) the rtc_sync status register indicate ready */
wait_limit = 100000;
addr = (RTC_WMAC_BASE_ADDRESS | RTC_SYNC_STATUS_OFFSET);
do {
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
if (!MS(reg_val, RTC_SYNC_STATUS_PLL_CHANGING))
break;
wait_limit--;
udelay(10);
} while (wait_limit > 0);
if (MS(reg_val, RTC_SYNC_STATUS_PLL_CHANGING))
return -EINVAL;
/* Enable the hardware cpu clock register */
addr = (RTC_SOC_BASE_ADDRESS | SOC_CPU_CLOCK_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
reg_val &= ~SOC_CPU_CLOCK_STANDARD_MASK;
reg_val |= SM(1, SOC_CPU_CLOCK_STANDARD);
ret = ath10k_bmi_write_soc_reg(ar, addr, reg_val);
if (ret)
return -EINVAL;
/* unset the nopwd from pll_control register */
addr = (RTC_WMAC_BASE_ADDRESS | WLAN_PLL_CONTROL_OFFSET);
ret = ath10k_bmi_read_soc_reg(ar, addr, ®_val);
if (ret)
return -EINVAL;
reg_val &= ~WLAN_PLL_CONTROL_NOPWD_MASK;
ret = ath10k_bmi_write_soc_reg(ar, addr, reg_val);
if (ret)
return -EINVAL;
/* enable the pll_init register */
mem_val = 1;
ret = ath10k_bmi_write_memory(ar, pll_init_addr, &mem_val,
sizeof(mem_val));
if (ret)
return -EINVAL;
/* set the target clock frequency to speed register */
ret = ath10k_bmi_write_memory(ar, speed_addr, &hw->target_cpu_freq,
sizeof(hw->target_cpu_freq));
if (ret)
return -EINVAL;
return 0;
}