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dbf85c4248
This target adds support for the StarFive JH7100 and JH7110 SoCs, based on 6.12, as well as a couple boards equipped with these. Installation: Standard SD-card installation via dd-ing the generated image to an SD-card of at least 256Mb. Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
114 lines
3.8 KiB
Diff
114 lines
3.8 KiB
Diff
From eae127ccbe02ba20e4eb86081268205f7f40b8fc Mon Sep 17 00:00:00 2001
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From: Emil Renner Berthing <emil.renner.berthing@canonical.com>
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Date: Sat, 22 Jul 2023 16:21:04 +0200
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Subject: [PATCH 1018/1021] usb: cdns3: starfive: Add StarFive JH7100 support
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Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
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---
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drivers/usb/cdns3/cdns3-starfive.c | 46 ++++++++++++++++++------------
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1 file changed, 28 insertions(+), 18 deletions(-)
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--- a/drivers/usb/cdns3/cdns3-starfive.c
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+++ b/drivers/usb/cdns3/cdns3-starfive.c
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@@ -20,17 +20,17 @@
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#include <linux/usb/otg.h>
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#include "core.h"
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-#define USB_STRAP_HOST BIT(17)
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-#define USB_STRAP_DEVICE BIT(18)
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-#define USB_STRAP_MASK GENMASK(18, 16)
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-
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-#define USB_SUSPENDM_HOST BIT(19)
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-#define USB_SUSPENDM_MASK BIT(19)
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-
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-#define USB_MISC_CFG_MASK GENMASK(23, 20)
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-#define USB_SUSPENDM_BYPS BIT(20)
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-#define USB_PLL_EN BIT(22)
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-#define USB_REFCLK_MODE BIT(23)
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+#define JH7110_STRAP_HOST BIT(17)
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+#define JH7110_STRAP_DEVICE BIT(18)
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+#define JH7110_STRAP_MASK GENMASK(18, 16)
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+
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+#define JH7110_SUSPENDM_HOST BIT(19)
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+#define JH7110_SUSPENDM_MASK BIT(19)
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+
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+#define JH7110_MISC_CFG_MASK GENMASK(23, 20)
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+#define JH7110_SUSPENDM_BYPS BIT(20)
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+#define JH7110_PLL_EN BIT(22)
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+#define JH7110_REFCLK_MODE BIT(23)
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struct cdns_starfive {
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struct reset_control *resets;
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@@ -38,7 +38,14 @@ struct cdns_starfive {
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int num_clks;
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};
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-static int cdns_mode_init(struct device *dev, struct cdns_starfive *data)
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+typedef int (cdns_starfive_mode_init_t)(struct device *dev, struct cdns_starfive *data);
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+
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+static int cdns_jh7100_mode_init(struct device *dev, struct cdns_starfive *data)
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+{
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+ return 0;
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+}
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+
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+static int cdns_jh7110_mode_init(struct device *dev, struct cdns_starfive *data)
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{
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struct regmap *syscon;
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unsigned int usb_mode;
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@@ -51,21 +58,21 @@ static int cdns_mode_init(struct device
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"failed to parse starfive,stg-syscon\n");
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regmap_update_bits(syscon, usb_mode,
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- USB_MISC_CFG_MASK,
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- USB_SUSPENDM_BYPS | USB_PLL_EN | USB_REFCLK_MODE);
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+ JH7110_MISC_CFG_MASK,
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+ JH7110_SUSPENDM_BYPS | JH7110_PLL_EN | JH7110_REFCLK_MODE);
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/* dr mode setting */
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mode = usb_get_dr_mode(dev);
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switch (mode) {
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case USB_DR_MODE_HOST:
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- regmap_update_bits(syscon, usb_mode, USB_STRAP_MASK, USB_STRAP_HOST);
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- regmap_update_bits(syscon, usb_mode, USB_SUSPENDM_MASK, USB_SUSPENDM_HOST);
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+ regmap_update_bits(syscon, usb_mode, JH7110_STRAP_MASK, JH7110_STRAP_HOST);
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+ regmap_update_bits(syscon, usb_mode, JH7110_SUSPENDM_MASK, JH7110_SUSPENDM_HOST);
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break;
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case USB_DR_MODE_PERIPHERAL:
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- regmap_update_bits(syscon, usb_mode, USB_STRAP_MASK, USB_STRAP_DEVICE);
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- regmap_update_bits(syscon, usb_mode, USB_SUSPENDM_MASK, 0);
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+ regmap_update_bits(syscon, usb_mode, JH7110_STRAP_MASK, JH7110_STRAP_DEVICE);
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+ regmap_update_bits(syscon, usb_mode, JH7110_SUSPENDM_MASK, 0);
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break;
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default:
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break;
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@@ -105,6 +112,7 @@ static int cdns_starfive_probe(struct pl
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{
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struct device *dev = &pdev->dev;
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struct cdns_starfive *data;
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+ cdns_starfive_mode_init_t *mode_init;
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int ret;
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data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
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@@ -119,7 +127,8 @@ static int cdns_starfive_probe(struct pl
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if (IS_ERR(data->resets))
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return dev_err_probe(dev, PTR_ERR(data->resets), "failed to get resets\n");
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- ret = cdns_mode_init(dev, data);
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+ mode_init = device_get_match_data(dev);
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+ ret = mode_init(dev, data);
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if (ret)
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return ret;
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@@ -207,7 +216,8 @@ static const struct dev_pm_ops cdns_star
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};
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static const struct of_device_id cdns_starfive_of_match[] = {
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- { .compatible = "starfive,jh7110-usb", },
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+ { .compatible = "starfive,jh7100-usb", .data = cdns_jh7100_mode_init },
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+ { .compatible = "starfive,jh7110-usb", .data = cdns_jh7110_mode_init },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, cdns_starfive_of_match);
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