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| author | Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com> | 2023-07-27 19:03:17 +0530 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2023-08-11 11:50:59 -0700 |
| commit | c55c8a7cfafe41c71b87b3f7baf16249ce4fbd3d (patch) | |
| tree | 500d51c80ffed913d783e8b27e54f3c261ffd94a /drivers | |
| parent | e8b5aed31355072faac8092ead4938ddec3111fd (diff) | |
| download | linux-c55c8a7cfafe41c71b87b3f7baf16249ce4fbd3d.tar.gz linux-c55c8a7cfafe41c71b87b3f7baf16249ce4fbd3d.tar.bz2 linux-c55c8a7cfafe41c71b87b3f7baf16249ce4fbd3d.zip | |
Bluetooth: btnxpuart: Add support for AW693 chipset
This adds support for NXP AW693 chipset in btnxpuart driver
by adding FW name and bootloader signature. Based on the
loader version bits 7:6 of the bootloader signature, the
driver can choose between selecting secure and non-secure
FW files.
Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bluetooth/btnxpuart.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c index 52ef44688d38..ee6f6c872a34 100644 --- a/drivers/bluetooth/btnxpuart.c +++ b/drivers/bluetooth/btnxpuart.c @@ -29,16 +29,25 @@ #define BTNXPUART_CHECK_BOOT_SIGNATURE 3 #define BTNXPUART_SERDEV_OPEN 4 -#define FIRMWARE_W8987 "nxp/uartuart8987_bt.bin" -#define FIRMWARE_W8997 "nxp/uartuart8997_bt_v4.bin" -#define FIRMWARE_W9098 "nxp/uartuart9098_bt_v1.bin" -#define FIRMWARE_IW416 "nxp/uartiw416_bt_v0.bin" -#define FIRMWARE_IW612 "nxp/uartspi_n61x_v1.bin.se" -#define FIRMWARE_HELPER "nxp/helper_uart_3000000.bin" +#define FIRMWARE_W8987 "nxp/uartuart8987_bt.bin" +#define FIRMWARE_W8997 "nxp/uartuart8997_bt_v4.bin" +#define FIRMWARE_W9098 "nxp/uartuart9098_bt_v1.bin" +#define FIRMWARE_IW416 "nxp/uartiw416_bt_v0.bin" +#define FIRMWARE_IW612 "nxp/uartspi_n61x_v1.bin.se" +#define FIRMWARE_AW693 "nxp/uartaw693_bt.bin" +#define FIRMWARE_SECURE_AW693 "nxp/uartaw693_bt.bin.se" +#define FIRMWARE_HELPER "nxp/helper_uart_3000000.bin" #define CHIP_ID_W9098 0x5c03 #define CHIP_ID_IW416 0x7201 #define CHIP_ID_IW612 0x7601 +#define CHIP_ID_AW693 0x8200 + +#define FW_SECURE_MASK 0xc0 +#define FW_OPEN 0x00 +#define FW_AUTH_ILLEGAL 0x40 +#define FW_AUTH_PLAIN 0x80 +#define FW_AUTH_ENC 0xc0 #define HCI_NXP_PRI_BAUDRATE 115200 #define HCI_NXP_SEC_BAUDRATE 3000000 @@ -665,6 +674,9 @@ static int nxp_request_firmware(struct hci_dev *hdev, const char *fw_name) struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev); int err = 0; + if (!fw_name) + return -ENOENT; + if (!strlen(nxpdev->fw_name)) { snprintf(nxpdev->fw_name, MAX_FW_FILE_NAME_LEN, "%s", fw_name); @@ -812,7 +824,8 @@ free_skb: return 0; } -static char *nxp_get_fw_name_from_chipid(struct hci_dev *hdev, u16 chipid) +static char *nxp_get_fw_name_from_chipid(struct hci_dev *hdev, u16 chipid, + u8 loader_ver) { char *fw_name = NULL; @@ -826,6 +839,14 @@ static char *nxp_get_fw_name_from_chipid(struct hci_dev *hdev, u16 chipid) case CHIP_ID_IW612: fw_name = FIRMWARE_IW612; break; + case CHIP_ID_AW693: + if ((loader_ver & FW_SECURE_MASK) == FW_OPEN) + fw_name = FIRMWARE_AW693; + else if ((loader_ver & FW_SECURE_MASK) != FW_AUTH_ILLEGAL) + fw_name = FIRMWARE_SECURE_AW693; + else + bt_dev_err(hdev, "Illegal loader version %02x", loader_ver); + break; default: bt_dev_err(hdev, "Unknown chip signature %04x", chipid); break; @@ -838,13 +859,15 @@ static int nxp_recv_chip_ver_v3(struct hci_dev *hdev, struct sk_buff *skb) struct v3_start_ind *req = skb_pull_data(skb, sizeof(*req)); struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev); u16 chip_id; + u8 loader_ver; if (!process_boot_signature(nxpdev)) goto free_skb; chip_id = le16_to_cpu(req->chip_id); + loader_ver = req->loader_ver; if (!nxp_request_firmware(hdev, nxp_get_fw_name_from_chipid(hdev, - chip_id))) + chip_id, loader_ver))) nxp_send_ack(NXP_ACK_V3, hdev); free_skb: |