diff options
Diffstat (limited to 'src/drivers/siemens')
| -rw-r--r-- | src/drivers/siemens/nc_fpga/Kconfig | 4 | ||||
| -rw-r--r-- | src/drivers/siemens/nc_fpga/nc_fpga.c | 22 | ||||
| -rw-r--r-- | src/drivers/siemens/nc_fpga/nc_fpga.h | 2 |
3 files changed, 28 insertions, 0 deletions
diff --git a/src/drivers/siemens/nc_fpga/Kconfig b/src/drivers/siemens/nc_fpga/Kconfig index 832446fcc210..1cd797772fb5 100644 --- a/src/drivers/siemens/nc_fpga/Kconfig +++ b/src/drivers/siemens/nc_fpga/Kconfig @@ -1,3 +1,7 @@ config DRIVER_SIEMENS_NC_FPGA bool default n + +config NC_FPGA_NOTIFY_CB_READY + bool + default n diff --git a/src/drivers/siemens/nc_fpga/nc_fpga.c b/src/drivers/siemens/nc_fpga/nc_fpga.c index 28fc6e2edfcd..643970343dd8 100644 --- a/src/drivers/siemens/nc_fpga/nc_fpga.c +++ b/src/drivers/siemens/nc_fpga/nc_fpga.c @@ -22,8 +22,11 @@ #include <string.h> #include <delay.h> #include <hwilib.h> +#include <bootstate.h> #include "nc_fpga.h" +static void *nc_fpga_bar0; + #define FPGA_SET_PARAM(src, dst) \ { \ uint32_t var; \ @@ -111,6 +114,9 @@ static void nc_fpga_init(struct device *dev) /* Ensure this is really a NC FPGA by checking magic register. */ if (read32(bar0_ptr + NC_MAGIC_OFFSET) != NC_FPGA_MAGIC) return; + /* Save BAR0 address so that it can be used on all NC_FPGA devices to + set the FW_DONE bit before jumping to payload. */ + nc_fpga_bar0 = bar0_ptr; /* Open hwinfo block. */ if (hwilib_find_blocks("hwinfo.hex") != CB_SUCCESS) return; @@ -134,6 +140,22 @@ static void nc_fpga_init(struct device *dev) } } +#if IS_ENABLED(CONFIG_NC_FPGA_NOTIFY_CB_READY) +/* Set FW_DONE bit in FPGA before jumping to payload. */ +static void set_fw_done(void *unused) +{ + uint32_t reg; + + if (nc_fpga_bar0) { + reg = read32(nc_fpga_bar0 + NC_DIAG_CTRL_OFFSET); + reg |= NC_DIAG_FW_DONE; + write32(nc_fpga_bar0 + NC_DIAG_CTRL_OFFSET, reg); + } +} + +BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, set_fw_done, NULL); +#endif + static struct device_operations nc_fpga_ops = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, diff --git a/src/drivers/siemens/nc_fpga/nc_fpga.h b/src/drivers/siemens/nc_fpga/nc_fpga.h index 7bf087b69a53..8a9862788915 100644 --- a/src/drivers/siemens/nc_fpga/nc_fpga.h +++ b/src/drivers/siemens/nc_fpga/nc_fpga.h @@ -26,6 +26,8 @@ #define NC_CAP1_FAN_CTRL 0x080 #define NC_CAP1_TEMP_MON 0x100 #define NC_DSAVE_OFFSET 0x58 +#define NC_DIAG_CTRL_OFFSET 0x60 +#define NC_DIAG_FW_DONE 0x10000 #define NC_BL_BRIGHTNESS_OFFSET 0x88 #define NC_BL_PWM_OFFSET 0x8C #define NC_FANMON_CTRL_OFFSET 0x400 |