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path: root/drivers/fpga/socfpga-a10.c
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-rw-r--r--drivers/fpga/socfpga-a10.c551
1 files changed, 551 insertions, 0 deletions
diff --git a/drivers/fpga/socfpga-a10.c b/drivers/fpga/socfpga-a10.c
new file mode 100644
index 0000000000..cc4861e345
--- /dev/null
+++ b/drivers/fpga/socfpga-a10.c
@@ -0,0 +1,551 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * FPGA Manager Driver for Altera Arria10 SoCFPGA
+ *
+ * Copyright (C) 2015-2016 Altera Corporation
+ */
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/fpga/fpga-mgr.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/regmap.h>
+
+#define A10_FPGAMGR_DCLKCNT_OFST 0x08
+#define A10_FPGAMGR_DCLKSTAT_OFST 0x0c
+#define A10_FPGAMGR_IMGCFG_CTL_00_OFST 0x70
+#define A10_FPGAMGR_IMGCFG_CTL_01_OFST 0x74
+#define A10_FPGAMGR_IMGCFG_CTL_02_OFST 0x78
+#define A10_FPGAMGR_IMGCFG_STAT_OFST 0x80
+
+#define A10_FPGAMGR_DCLKSTAT_DCLKDONE BIT(0)
+
+#define A10_FPGAMGR_IMGCFG_CTL_00_S2F_NENABLE_NCONFIG BIT(0)
+#define A10_FPGAMGR_IMGCFG_CTL_00_S2F_NENABLE_NSTATUS BIT(1)
+#define A10_FPGAMGR_IMGCFG_CTL_00_S2F_NENABLE_CONDONE BIT(2)
+#define A10_FPGAMGR_IMGCFG_CTL_00_S2F_NCONFIG BIT(8)
+#define A10_FPGAMGR_IMGCFG_CTL_00_S2F_NSTATUS_OE BIT(16)
+#define A10_FPGAMGR_IMGCFG_CTL_00_S2F_CONDONE_OE BIT(24)
+
+#define A10_FPGAMGR_IMGCFG_CTL_01_S2F_NENABLE_CONFIG BIT(0)
+#define A10_FPGAMGR_IMGCFG_CTL_01_S2F_PR_REQUEST BIT(16)
+#define A10_FPGAMGR_IMGCFG_CTL_01_S2F_NCE BIT(24)
+
+#define A10_FPGAMGR_IMGCFG_CTL_02_EN_CFG_CTRL BIT(0)
+#define A10_FPGAMGR_IMGCFG_CTL_02_CDRATIO_MASK (BIT(16) | BIT(17))
+#define A10_FPGAMGR_IMGCFG_CTL_02_CDRATIO_SHIFT 16
+#define A10_FPGAMGR_IMGCFG_CTL_02_CFGWIDTH BIT(24)
+#define A10_FPGAMGR_IMGCFG_CTL_02_CFGWIDTH_SHIFT 24
+
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_CRC_ERROR BIT(0)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_EARLY_USERMODE BIT(1)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_USERMODE BIT(2)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_NSTATUS_PIN BIT(4)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_CONDONE_PIN BIT(6)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_PR_READY BIT(9)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_PR_DONE BIT(10)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_PR_ERROR BIT(11)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_NCONFIG_PIN BIT(12)
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_MSEL_MASK (BIT(16) | BIT(17) | BIT(18))
+#define A10_FPGAMGR_IMGCFG_STAT_F2S_MSEL_SHIFT 16
+
+/* FPGA CD Ratio Value */
+#define CDRATIO_x1 0x0
+#define CDRATIO_x2 0x1
+#define CDRATIO_x4 0x2
+#define CDRATIO_x8 0x3
+
+/* Configuration width 16/32 bit */
+#define CFGWDTH_32 1
+#define CFGWDTH_16 0
+
+/*
+ * struct a10_fpga_priv - private data for fpga manager
+ * @regmap: regmap for register access
+ * @fpga_data_addr: iomap for single address data register to FPGA
+ * @clk: clock
+ */
+struct a10_fpga_priv {
+ struct regmap *regmap;
+ void __iomem *fpga_data_addr;
+ struct clk *clk;
+};
+
+static bool socfpga_a10_fpga_writeable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case A10_FPGAMGR_DCLKCNT_OFST:
+ case A10_FPGAMGR_DCLKSTAT_OFST:
+ case A10_FPGAMGR_IMGCFG_CTL_00_OFST:
+ case A10_FPGAMGR_IMGCFG_CTL_01_OFST:
+ case A10_FPGAMGR_IMGCFG_CTL_02_OFST:
+ return true;
+ }
+ return false;
+}
+
+static bool socfpga_a10_fpga_readable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case A10_FPGAMGR_DCLKCNT_OFST:
+ case A10_FPGAMGR_DCLKSTAT_OFST:
+ case A10_FPGAMGR_IMGCFG_CTL_00_OFST:
+ case A10_FPGAMGR_IMGCFG_CTL_01_OFST:
+ case A10_FPGAMGR_IMGCFG_CTL_02_OFST:
+ case A10_FPGAMGR_IMGCFG_STAT_OFST:
+ return true;
+ }
+ return false;
+}
+
+static const struct regmap_config socfpga_a10_fpga_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .writeable_reg = socfpga_a10_fpga_writeable_reg,
+ .readable_reg = socfpga_a10_fpga_readable_reg,
+ .max_register = A10_FPGAMGR_IMGCFG_STAT_OFST,
+ .cache_type = REGCACHE_NONE,
+};
+
+/*
+ * from the register map description of cdratio in imgcfg_ctrl_02:
+ * Normal Configuration : 32bit Passive Parallel
+ * Partial Reconfiguration : 16bit Passive Parallel
+ */
+static void socfpga_a10_fpga_set_cfg_width(struct a10_fpga_priv *priv,
+ int width)
+{
+ width <<= A10_FPGAMGR_IMGCFG_CTL_02_CFGWIDTH_SHIFT;
+
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_02_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_02_CFGWIDTH, width);
+}
+
+static void socfpga_a10_fpga_generate_dclks(struct a10_fpga_priv *priv,
+ u32 count)
+{
+ u32 val;
+
+ /* Clear any existing DONE status. */
+ regmap_write(priv->regmap, A10_FPGAMGR_DCLKSTAT_OFST,
+ A10_FPGAMGR_DCLKSTAT_DCLKDONE);
+
+ /* Issue the DCLK regmap. */
+ regmap_write(priv->regmap, A10_FPGAMGR_DCLKCNT_OFST, count);
+
+ /* wait till the dclkcnt done */
+ regmap_read_poll_timeout(priv->regmap, A10_FPGAMGR_DCLKSTAT_OFST, val,
+ val, 1, 100);
+
+ /* Clear DONE status. */
+ regmap_write(priv->regmap, A10_FPGAMGR_DCLKSTAT_OFST,
+ A10_FPGAMGR_DCLKSTAT_DCLKDONE);
+}
+
+#define RBF_ENCRYPTION_MODE_OFFSET 69
+#define RBF_DECOMPRESS_OFFSET 229
+
+static int socfpga_a10_fpga_encrypted(u32 *buf32, size_t buf32_size)
+{
+ if (buf32_size < RBF_ENCRYPTION_MODE_OFFSET + 1)
+ return -EINVAL;
+
+ /* Is the bitstream encrypted? */
+ return ((buf32[RBF_ENCRYPTION_MODE_OFFSET] >> 2) & 3) != 0;
+}
+
+static int socfpga_a10_fpga_compressed(u32 *buf32, size_t buf32_size)
+{
+ if (buf32_size < RBF_DECOMPRESS_OFFSET + 1)
+ return -EINVAL;
+
+ /* Is the bitstream compressed? */
+ return !((buf32[RBF_DECOMPRESS_OFFSET] >> 1) & 1);
+}
+
+static unsigned int socfpga_a10_fpga_get_cd_ratio(unsigned int cfg_width,
+ bool encrypt, bool compress)
+{
+ unsigned int cd_ratio;
+
+ /*
+ * cd ratio is dependent on cfg width and whether the bitstream
+ * is encrypted and/or compressed.
+ *
+ * | width | encr. | compr. | cd ratio |
+ * | 16 | 0 | 0 | 1 |
+ * | 16 | 0 | 1 | 4 |
+ * | 16 | 1 | 0 | 2 |
+ * | 16 | 1 | 1 | 4 |
+ * | 32 | 0 | 0 | 1 |
+ * | 32 | 0 | 1 | 8 |
+ * | 32 | 1 | 0 | 4 |
+ * | 32 | 1 | 1 | 8 |
+ */
+ if (!compress && !encrypt)
+ return CDRATIO_x1;
+
+ if (compress)
+ cd_ratio = CDRATIO_x4;
+ else
+ cd_ratio = CDRATIO_x2;
+
+ /* If 32 bit, double the cd ratio by incrementing the field */
+ if (cfg_width == CFGWDTH_32)
+ cd_ratio += 1;
+
+ return cd_ratio;
+}
+
+static int socfpga_a10_fpga_set_cdratio(struct fpga_manager *mgr,
+ unsigned int cfg_width,
+ const char *buf, size_t count)
+{
+ struct a10_fpga_priv *priv = mgr->priv;
+ unsigned int cd_ratio;
+ int encrypt, compress;
+
+ encrypt = socfpga_a10_fpga_encrypted((u32 *)buf, count / 4);
+ if (encrypt < 0)
+ return -EINVAL;
+
+ compress = socfpga_a10_fpga_compressed((u32 *)buf, count / 4);
+ if (compress < 0)
+ return -EINVAL;
+
+ cd_ratio = socfpga_a10_fpga_get_cd_ratio(cfg_width, encrypt, compress);
+
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_02_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_02_CDRATIO_MASK,
+ cd_ratio << A10_FPGAMGR_IMGCFG_CTL_02_CDRATIO_SHIFT);
+
+ return 0;
+}
+
+static u32 socfpga_a10_fpga_read_stat(struct a10_fpga_priv *priv)
+{
+ u32 val;
+
+ regmap_read(priv->regmap, A10_FPGAMGR_IMGCFG_STAT_OFST, &val);
+
+ return val;
+}
+
+static int socfpga_a10_fpga_wait_for_pr_ready(struct a10_fpga_priv *priv)
+{
+ u32 reg, i;
+
+ for (i = 0; i < 10 ; i++) {
+ reg = socfpga_a10_fpga_read_stat(priv);
+
+ if (reg & A10_FPGAMGR_IMGCFG_STAT_F2S_PR_ERROR)
+ return -EINVAL;
+
+ if (reg & A10_FPGAMGR_IMGCFG_STAT_F2S_PR_READY)
+ return 0;
+ }
+
+ return -ETIMEDOUT;
+}
+
+static int socfpga_a10_fpga_wait_for_pr_done(struct a10_fpga_priv *priv)
+{
+ u32 reg, i;
+
+ for (i = 0; i < 10 ; i++) {
+ reg = socfpga_a10_fpga_read_stat(priv);
+
+ if (reg & A10_FPGAMGR_IMGCFG_STAT_F2S_PR_ERROR)
+ return -EINVAL;
+
+ if (reg & A10_FPGAMGR_IMGCFG_STAT_F2S_PR_DONE)
+ return 0;
+ }
+
+ return -ETIMEDOUT;
+}
+
+/* Start the FPGA programming by initialize the FPGA Manager */
+static int socfpga_a10_fpga_write_init(struct fpga_manager *mgr,
+ struct fpga_image_info *info,
+ const char *buf, size_t count)
+{
+ struct a10_fpga_priv *priv = mgr->priv;
+ unsigned int cfg_width;
+ u32 msel, stat, mask;
+ int ret;
+
+ if (info->flags & FPGA_MGR_PARTIAL_RECONFIG)
+ cfg_width = CFGWDTH_16;
+ else
+ return -EINVAL;
+
+ /* Check for passive parallel (msel == 000 or 001) */
+ msel = socfpga_a10_fpga_read_stat(priv);
+ msel &= A10_FPGAMGR_IMGCFG_STAT_F2S_MSEL_MASK;
+ msel >>= A10_FPGAMGR_IMGCFG_STAT_F2S_MSEL_SHIFT;
+ if ((msel != 0) && (msel != 1)) {
+ dev_dbg(&mgr->dev, "Fail: invalid msel=%d\n", msel);
+ return -EINVAL;
+ }
+
+ /* Make sure no external devices are interfering */
+ stat = socfpga_a10_fpga_read_stat(priv);
+ mask = A10_FPGAMGR_IMGCFG_STAT_F2S_NCONFIG_PIN |
+ A10_FPGAMGR_IMGCFG_STAT_F2S_NSTATUS_PIN;
+ if ((stat & mask) != mask)
+ return -EINVAL;
+
+ /* Set cfg width */
+ socfpga_a10_fpga_set_cfg_width(priv, cfg_width);
+
+ /* Determine cd ratio from bitstream header and set cd ratio */
+ ret = socfpga_a10_fpga_set_cdratio(mgr, cfg_width, buf, count);
+ if (ret)
+ return ret;
+
+ /*
+ * Clear s2f_nce to enable chip select. Leave pr_request
+ * unasserted and override disabled.
+ */
+ regmap_write(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_01_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_NENABLE_CONFIG);
+
+ /* Set cfg_ctrl to enable s2f dclk and data */
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_02_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_02_EN_CFG_CTRL,
+ A10_FPGAMGR_IMGCFG_CTL_02_EN_CFG_CTRL);
+
+ /*
+ * Disable overrides not needed for pr.
+ * s2f_config==1 leaves reset deasseted.
+ */
+ regmap_write(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_00_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_00_S2F_NENABLE_NCONFIG |
+ A10_FPGAMGR_IMGCFG_CTL_00_S2F_NENABLE_NSTATUS |
+ A10_FPGAMGR_IMGCFG_CTL_00_S2F_NENABLE_CONDONE |
+ A10_FPGAMGR_IMGCFG_CTL_00_S2F_NCONFIG);
+
+ /* Enable override for data, dclk, nce, and pr_request to CSS */
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_01_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_NENABLE_CONFIG, 0);
+
+ /* Send some clocks to clear out any errors */
+ socfpga_a10_fpga_generate_dclks(priv, 256);
+
+ /* Assert pr_request */
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_01_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_PR_REQUEST,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_PR_REQUEST);
+
+ /* Provide 2048 DCLKs before starting the config data streaming. */
+ socfpga_a10_fpga_generate_dclks(priv, 0x7ff);
+
+ /* Wait for pr_ready */
+ return socfpga_a10_fpga_wait_for_pr_ready(priv);
+}
+
+/*
+ * write data to the FPGA data register
+ */
+static int socfpga_a10_fpga_write(struct fpga_manager *mgr, const char *buf,
+ size_t count)
+{
+ struct a10_fpga_priv *priv = mgr->priv;
+ u32 *buffer_32 = (u32 *)buf;
+ size_t i = 0;
+
+ if (count <= 0)
+ return -EINVAL;
+
+ /* Write out the complete 32-bit chunks */
+ while (count >= sizeof(u32)) {
+ writel(buffer_32[i++], priv->fpga_data_addr);
+ count -= sizeof(u32);
+ }
+
+ /* Write out remaining non 32-bit chunks */
+ switch (count) {
+ case 3:
+ writel(buffer_32[i++] & 0x00ffffff, priv->fpga_data_addr);
+ break;
+ case 2:
+ writel(buffer_32[i++] & 0x0000ffff, priv->fpga_data_addr);
+ break;
+ case 1:
+ writel(buffer_32[i++] & 0x000000ff, priv->fpga_data_addr);
+ break;
+ case 0:
+ break;
+ default:
+ /* This will never happen */
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int socfpga_a10_fpga_write_complete(struct fpga_manager *mgr,
+ struct fpga_image_info *info)
+{
+ struct a10_fpga_priv *priv = mgr->priv;
+ u32 reg;
+ int ret;
+
+ /* Wait for pr_done */
+ ret = socfpga_a10_fpga_wait_for_pr_done(priv);
+
+ /* Clear pr_request */
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_01_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_PR_REQUEST, 0);
+
+ /* Send some clocks to clear out any errors */
+ socfpga_a10_fpga_generate_dclks(priv, 256);
+
+ /* Disable s2f dclk and data */
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_02_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_02_EN_CFG_CTRL, 0);
+
+ /* Deassert chip select */
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_01_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_NCE,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_NCE);
+
+ /* Disable data, dclk, nce, and pr_request override to CSS */
+ regmap_update_bits(priv->regmap, A10_FPGAMGR_IMGCFG_CTL_01_OFST,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_NENABLE_CONFIG,
+ A10_FPGAMGR_IMGCFG_CTL_01_S2F_NENABLE_CONFIG);
+
+ /* Return any errors regarding pr_done or pr_error */
+ if (ret)
+ return ret;
+
+ /* Final check */
+ reg = socfpga_a10_fpga_read_stat(priv);
+
+ if (((reg & A10_FPGAMGR_IMGCFG_STAT_F2S_USERMODE) == 0) ||
+ ((reg & A10_FPGAMGR_IMGCFG_STAT_F2S_CONDONE_PIN) == 0) ||
+ ((reg & A10_FPGAMGR_IMGCFG_STAT_F2S_NSTATUS_PIN) == 0)) {
+ dev_dbg(&mgr->dev,
+ "Timeout in final check. Status=%08xf\n", reg);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static enum fpga_mgr_states socfpga_a10_fpga_state(struct fpga_manager *mgr)
+{
+ struct a10_fpga_priv *priv = mgr->priv;
+ u32 reg = socfpga_a10_fpga_read_stat(priv);
+
+ if (reg & A10_FPGAMGR_IMGCFG_STAT_F2S_USERMODE)
+ return FPGA_MGR_STATE_OPERATING;
+
+ if (reg & A10_FPGAMGR_IMGCFG_STAT_F2S_PR_READY)
+ return FPGA_MGR_STATE_WRITE;
+
+ if (reg & A10_FPGAMGR_IMGCFG_STAT_F2S_CRC_ERROR)
+ return FPGA_MGR_STATE_WRITE_COMPLETE_ERR;
+
+ if ((reg & A10_FPGAMGR_IMGCFG_STAT_F2S_NSTATUS_PIN) == 0)
+ return FPGA_MGR_STATE_RESET;
+
+ return FPGA_MGR_STATE_UNKNOWN;
+}
+
+static const struct fpga_manager_ops socfpga_a10_fpga_mgr_ops = {
+ .initial_header_size = (RBF_DECOMPRESS_OFFSET + 1) * 4,
+ .state = socfpga_a10_fpga_state,
+ .write_init = socfpga_a10_fpga_write_init,
+ .write = socfpga_a10_fpga_write,
+ .write_complete = socfpga_a10_fpga_write_complete,
+};
+
+static int socfpga_a10_fpga_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct a10_fpga_priv *priv;
+ void __iomem *reg_base;
+ struct fpga_manager *mgr;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ /* First mmio base is for register access */
+ reg_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(reg_base))
+ return PTR_ERR(reg_base);
+
+ /* Second mmio base is for writing FPGA image data */
+ priv->fpga_data_addr = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(priv->fpga_data_addr))
+ return PTR_ERR(priv->fpga_data_addr);
+
+ /* regmap for register access */
+ priv->regmap = devm_regmap_init_mmio(dev, reg_base,
+ &socfpga_a10_fpga_regmap_config);
+ if (IS_ERR(priv->regmap))
+ return -ENODEV;
+
+ priv->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(priv->clk)) {
+ dev_err(dev, "no clock specified\n");
+ return PTR_ERR(priv->clk);
+ }
+
+ ret = clk_prepare_enable(priv->clk);
+ if (ret) {
+ dev_err(dev, "could not enable clock\n");
+ return -EBUSY;
+ }
+
+ mgr = fpga_mgr_register(dev, "SoCFPGA Arria10 FPGA Manager",
+ &socfpga_a10_fpga_mgr_ops, priv);
+ if (IS_ERR(mgr)) {
+ clk_disable_unprepare(priv->clk);
+ return PTR_ERR(mgr);
+ }
+
+ platform_set_drvdata(pdev, mgr);
+
+ return 0;
+}
+
+static int socfpga_a10_fpga_remove(struct platform_device *pdev)
+{
+ struct fpga_manager *mgr = platform_get_drvdata(pdev);
+ struct a10_fpga_priv *priv = mgr->priv;
+
+ fpga_mgr_unregister(mgr);
+ clk_disable_unprepare(priv->clk);
+
+ return 0;
+}
+
+static const struct of_device_id socfpga_a10_fpga_of_match[] = {
+ { .compatible = "altr,socfpga-a10-fpga-mgr", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, socfpga_a10_fpga_of_match);
+
+static struct platform_driver socfpga_a10_fpga_driver = {
+ .probe = socfpga_a10_fpga_probe,
+ .remove = socfpga_a10_fpga_remove,
+ .driver = {
+ .name = "socfpga_a10_fpga_manager",
+ .of_match_table = socfpga_a10_fpga_of_match,
+ },
+};
+
+module_platform_driver(socfpga_a10_fpga_driver);
+
+MODULE_AUTHOR("Alan Tull <atull@opensource.altera.com>");
+MODULE_DESCRIPTION("SoCFPGA Arria10 FPGA Manager");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 09:18:25 +0000