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path: root/drivers/crypto/cavium/nitrox/nitrox_main.c
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Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_main.c')
-rw-r--r--drivers/crypto/cavium/nitrox/nitrox_main.c148
1 files changed, 119 insertions, 29 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c
index fe825d0ef9ca..bc924980e10c 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_main.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_main.c
@@ -17,12 +17,17 @@
#define CNN55XX_DEV_ID 0x12
#define UCODE_HLEN 48
-#define SE_GROUP 0
+#define DEFAULT_SE_GROUP 0
+#define DEFAULT_AE_GROUP 0
-#define DRIVER_VERSION "1.1"
+#define DRIVER_VERSION "1.2"
+#define CNN55XX_UCD_BLOCK_SIZE 32768
+#define CNN55XX_MAX_UCODE_SIZE (CNN55XX_UCD_BLOCK_SIZE * 2)
#define FW_DIR "cavium/"
/* SE microcode */
#define SE_FW FW_DIR "cnn55xx_se.fw"
+/* AE microcode */
+#define AE_FW FW_DIR "cnn55xx_ae.fw"
static const char nitrox_driver_name[] = "CNN55XX";
@@ -72,10 +77,10 @@ struct ucode {
/**
* write_to_ucd_unit - Write Firmware to NITROX UCD unit
*/
-static void write_to_ucd_unit(struct nitrox_device *ndev,
- struct ucode *ucode)
+static void write_to_ucd_unit(struct nitrox_device *ndev, u32 ucode_size,
+ u64 *ucode_data, int block_num)
{
- u32 code_size = be32_to_cpu(ucode->code_size) * 2;
+ u32 code_size;
u64 offset, data;
int i = 0;
@@ -96,11 +101,12 @@ static void write_to_ucd_unit(struct nitrox_device *ndev,
/* set the block number */
offset = UCD_UCODE_LOAD_BLOCK_NUM;
- nitrox_write_csr(ndev, offset, 0);
+ nitrox_write_csr(ndev, offset, block_num);
+ code_size = ucode_size;
code_size = roundup(code_size, 8);
while (code_size) {
- data = ucode->code[i];
+ data = ucode_data[i];
/* write 8 bytes at a time */
offset = UCD_UCODE_LOAD_IDX_DATAX(i);
nitrox_write_csr(ndev, offset, data);
@@ -108,29 +114,74 @@ static void write_to_ucd_unit(struct nitrox_device *ndev,
i++;
}
- /* put all SE cores in group 0 */
- offset = POM_GRP_EXECMASKX(SE_GROUP);
- nitrox_write_csr(ndev, offset, (~0ULL));
-
- for (i = 0; i < ndev->hw.se_cores; i++) {
- /*
- * write block number and firware length
- * bit:<2:0> block number
- * bit:3 is set SE uses 32KB microcode
- * bit:3 is clear SE uses 64KB microcode
- */
- offset = UCD_SE_EID_UCODE_BLOCK_NUMX(i);
- nitrox_write_csr(ndev, offset, 0x8);
- }
usleep_range(300, 400);
}
-static int nitrox_load_fw(struct nitrox_device *ndev, const char *fw_name)
+static int nitrox_load_fw(struct nitrox_device *ndev)
{
const struct firmware *fw;
+ const char *fw_name;
struct ucode *ucode;
- int ret;
+ u64 *ucode_data;
+ u64 offset;
+ union ucd_core_eid_ucode_block_num core_2_eid_val;
+ union aqm_grp_execmsk_lo aqm_grp_execmask_lo;
+ union aqm_grp_execmsk_hi aqm_grp_execmask_hi;
+ u32 ucode_size;
+ int ret, i = 0;
+
+ fw_name = SE_FW;
+ dev_info(DEV(ndev), "Loading firmware \"%s\"\n", fw_name);
+
+ ret = request_firmware(&fw, fw_name, DEV(ndev));
+ if (ret < 0) {
+ dev_err(DEV(ndev), "failed to get firmware %s\n", fw_name);
+ return ret;
+ }
+
+ ucode = (struct ucode *)fw->data;
+
+ ucode_size = be32_to_cpu(ucode->code_size) * 2;
+ if (!ucode_size || ucode_size > CNN55XX_MAX_UCODE_SIZE) {
+ dev_err(DEV(ndev), "Invalid ucode size: %u for firmware %s\n",
+ ucode_size, fw_name);
+ release_firmware(fw);
+ return -EINVAL;
+ }
+ ucode_data = ucode->code;
+
+ /* copy the firmware version */
+ memcpy(&ndev->hw.fw_name[0][0], ucode->version, (VERSION_LEN - 2));
+ ndev->hw.fw_name[0][VERSION_LEN - 1] = '\0';
+
+ /* Load SE Firmware on UCD Block 0 */
+ write_to_ucd_unit(ndev, ucode_size, ucode_data, 0);
+ release_firmware(fw);
+
+ /* put all SE cores in DEFAULT_SE_GROUP */
+ offset = POM_GRP_EXECMASKX(DEFAULT_SE_GROUP);
+ nitrox_write_csr(ndev, offset, (~0ULL));
+
+ /* write block number and firmware length
+ * bit:<2:0> block number
+ * bit:3 is set SE uses 32KB microcode
+ * bit:3 is clear SE uses 64KB microcode
+ */
+ core_2_eid_val.value = 0ULL;
+ core_2_eid_val.ucode_blk = 0;
+ if (ucode_size <= CNN55XX_UCD_BLOCK_SIZE)
+ core_2_eid_val.ucode_len = 1;
+ else
+ core_2_eid_val.ucode_len = 0;
+
+ for (i = 0; i < ndev->hw.se_cores; i++) {
+ offset = UCD_SE_EID_UCODE_BLOCK_NUMX(i);
+ nitrox_write_csr(ndev, offset, core_2_eid_val.value);
+ }
+
+
+ fw_name = AE_FW;
dev_info(DEV(ndev), "Loading firmware \"%s\"\n", fw_name);
ret = request_firmware(&fw, fw_name, DEV(ndev));
@@ -140,13 +191,50 @@ static int nitrox_load_fw(struct nitrox_device *ndev, const char *fw_name)
}
ucode = (struct ucode *)fw->data;
+
+ ucode_size = be32_to_cpu(ucode->code_size) * 2;
+ if (!ucode_size || ucode_size > CNN55XX_MAX_UCODE_SIZE) {
+ dev_err(DEV(ndev), "Invalid ucode size: %u for firmware %s\n",
+ ucode_size, fw_name);
+ release_firmware(fw);
+ return -EINVAL;
+ }
+ ucode_data = ucode->code;
+
/* copy the firmware version */
- memcpy(ndev->hw.fw_name, ucode->version, (VERSION_LEN - 2));
- ndev->hw.fw_name[VERSION_LEN - 1] = '\0';
+ memcpy(&ndev->hw.fw_name[1][0], ucode->version, (VERSION_LEN - 2));
+ ndev->hw.fw_name[1][VERSION_LEN - 1] = '\0';
+
+ /* Load AE Firmware on UCD Block 2 */
+ write_to_ucd_unit(ndev, ucode_size, ucode_data, 2);
- write_to_ucd_unit(ndev, ucode);
release_firmware(fw);
+ /* put all AE cores in DEFAULT_AE_GROUP */
+ offset = AQM_GRP_EXECMSK_LOX(DEFAULT_AE_GROUP);
+ aqm_grp_execmask_lo.exec_0_to_39 = 0xFFFFFFFFFFULL;
+ nitrox_write_csr(ndev, offset, aqm_grp_execmask_lo.value);
+ offset = AQM_GRP_EXECMSK_HIX(DEFAULT_AE_GROUP);
+ aqm_grp_execmask_hi.exec_40_to_79 = 0xFFFFFFFFFFULL;
+ nitrox_write_csr(ndev, offset, aqm_grp_execmask_hi.value);
+
+ /* write block number and firmware length
+ * bit:<2:0> block number
+ * bit:3 is set SE uses 32KB microcode
+ * bit:3 is clear SE uses 64KB microcode
+ */
+ core_2_eid_val.value = 0ULL;
+ core_2_eid_val.ucode_blk = 0;
+ if (ucode_size <= CNN55XX_UCD_BLOCK_SIZE)
+ core_2_eid_val.ucode_len = 1;
+ else
+ core_2_eid_val.ucode_len = 0;
+
+ for (i = 0; i < ndev->hw.ae_cores; i++) {
+ offset = UCD_AE_EID_UCODE_BLOCK_NUMX(i);
+ nitrox_write_csr(ndev, offset, core_2_eid_val.value);
+ }
+
return 0;
}
@@ -299,7 +387,9 @@ static int nitrox_pf_hw_init(struct nitrox_device *ndev)
/* get cores information */
nitrox_get_hwinfo(ndev);
- nitrox_config_nps_unit(ndev);
+ nitrox_config_nps_core_unit(ndev);
+ nitrox_config_aqm_unit(ndev);
+ nitrox_config_nps_pkt_unit(ndev);
nitrox_config_pom_unit(ndev);
nitrox_config_efl_unit(ndev);
/* configure IO units */
@@ -309,8 +399,8 @@ static int nitrox_pf_hw_init(struct nitrox_device *ndev)
nitrox_config_lbc_unit(ndev);
nitrox_config_rand_unit(ndev);
- /* load firmware on SE cores */
- err = nitrox_load_fw(ndev, SE_FW);
+ /* load firmware on cores */
+ err = nitrox_load_fw(ndev);
if (err)
return err;
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-29 15:29:54 +0000