2018-06-22 07:43:56 +00:00
|
|
|
--- a/drivers/net/wireless/ath/ath9k/ahb.c
|
|
|
|
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
|
2018-09-23 16:02:35 +00:00
|
|
|
@@ -20,7 +20,15 @@
|
2018-05-14 05:11:56 +00:00
|
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/module.h>
|
2018-09-23 16:02:35 +00:00
|
|
|
#include <linux/mod_devicetable.h>
|
2018-05-14 05:11:56 +00:00
|
|
|
+#include <linux/of_device.h>
|
|
|
|
#include "ath9k.h"
|
|
|
|
+#include <linux/ath9k_platform.h>
|
|
|
|
+
|
|
|
|
+#ifdef CONFIG_OF
|
|
|
|
+#include <asm/mach-ath79/ath79.h>
|
|
|
|
+#include <asm/mach-ath79/ar71xx_regs.h>
|
|
|
|
+#include <linux/mtd/mtd.h>
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
static const struct platform_device_id ath9k_platform_id_table[] = {
|
|
|
|
{
|
2018-09-23 16:02:35 +00:00
|
|
|
@@ -69,6 +77,235 @@ static const struct ath_bus_ops ath_ahb_
|
2018-05-14 05:11:56 +00:00
|
|
|
.eeprom_read = ath_ahb_eeprom_read,
|
|
|
|
};
|
|
|
|
|
|
|
|
+#ifdef CONFIG_OF
|
|
|
|
+
|
|
|
|
+#define QCA955X_DDR_CTL_CONFIG 0x108
|
|
|
|
+#define QCA955X_DDR_CTL_CONFIG_ACT_WMAC BIT(23)
|
|
|
|
+
|
|
|
|
+static int of_get_wifi_cal(struct device_node *np, struct ath9k_platform_data *pdata)
|
|
|
|
+{
|
|
|
|
+#ifdef CONFIG_MTD
|
|
|
|
+ struct device_node *mtd_np = NULL;
|
|
|
|
+ size_t retlen;
|
|
|
|
+ int size, ret;
|
|
|
|
+ struct mtd_info *mtd;
|
|
|
|
+ const char *part;
|
|
|
|
+ const __be32 *list;
|
|
|
|
+ phandle phandle;
|
|
|
|
+
|
|
|
|
+ list = of_get_property(np, "mtd-cal-data", &size);
|
|
|
|
+ if (!list)
|
|
|
|
+ return 0;
|
|
|
|
+
|
|
|
|
+ if (size != (2 * sizeof(*list)))
|
|
|
|
+ return 1;
|
|
|
|
+
|
|
|
|
+ phandle = be32_to_cpup(list++);
|
|
|
|
+ if (phandle)
|
|
|
|
+ mtd_np = of_find_node_by_phandle(phandle);
|
|
|
|
+
|
|
|
|
+ if (!mtd_np)
|
|
|
|
+ return 1;
|
|
|
|
+
|
|
|
|
+ part = of_get_property(mtd_np, "label", NULL);
|
|
|
|
+ if (!part)
|
|
|
|
+ part = mtd_np->name;
|
|
|
|
+
|
|
|
|
+ mtd = get_mtd_device_nm(part);
|
|
|
|
+ if (IS_ERR(mtd))
|
|
|
|
+ return 1;
|
|
|
|
+
|
|
|
|
+ ret = mtd_read(mtd, be32_to_cpup(list), sizeof(pdata->eeprom_data),
|
|
|
|
+ &retlen, (u8*)pdata->eeprom_data);
|
|
|
|
+ put_mtd_device(mtd);
|
|
|
|
+
|
|
|
|
+#endif
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static int ar913x_wmac_reset(void)
|
|
|
|
+{
|
|
|
|
+ ath79_device_reset_set(AR913X_RESET_AMBA2WMAC);
|
|
|
|
+ mdelay(10);
|
|
|
|
+
|
|
|
|
+ ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC);
|
|
|
|
+ mdelay(10);
|
|
|
|
+
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static int ar933x_wmac_reset(void)
|
|
|
|
+{
|
|
|
|
+ int retries = 20;
|
|
|
|
+
|
|
|
|
+ ath79_device_reset_set(AR933X_RESET_WMAC);
|
|
|
|
+ ath79_device_reset_clear(AR933X_RESET_WMAC);
|
|
|
|
+
|
|
|
|
+ while (1) {
|
|
|
|
+ u32 bootstrap;
|
|
|
|
+
|
|
|
|
+ bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
|
|
|
|
+ if ((bootstrap & AR933X_BOOTSTRAP_EEPBUSY) == 0)
|
|
|
|
+ return 0;
|
|
|
|
+
|
|
|
|
+ if (retries-- == 0)
|
|
|
|
+ break;
|
|
|
|
+
|
|
|
|
+ udelay(10000);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ pr_err("ar933x: WMAC reset timed out");
|
|
|
|
+ return -ETIMEDOUT;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static int qca955x_wmac_reset(void)
|
|
|
|
+{
|
|
|
|
+ int i;
|
|
|
|
+
|
|
|
|
+ /* Try to wait for WMAC DDR activity to stop */
|
|
|
|
+ for (i = 0; i < 10; i++) {
|
|
|
|
+ if (!(__raw_readl(ath79_ddr_base + QCA955X_DDR_CTL_CONFIG) &
|
|
|
|
+ QCA955X_DDR_CTL_CONFIG_ACT_WMAC))
|
|
|
|
+ break;
|
|
|
|
+
|
|
|
|
+ udelay(10);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ ath79_device_reset_set(QCA955X_RESET_RTC);
|
|
|
|
+ udelay(10);
|
|
|
|
+ ath79_device_reset_clear(QCA955X_RESET_RTC);
|
|
|
|
+ udelay(10);
|
|
|
|
+
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+enum {
|
|
|
|
+ AR913X_WMAC = 0,
|
|
|
|
+ AR933X_WMAC,
|
|
|
|
+ AR934X_WMAC,
|
|
|
|
+ QCA953X_WMAC,
|
|
|
|
+ QCA955X_WMAC,
|
|
|
|
+ QCA956X_WMAC,
|
|
|
|
+};
|
|
|
|
+
|
|
|
|
+static int ar9330_get_soc_revision(void)
|
|
|
|
+{
|
|
|
|
+ if (ath79_soc_rev == 1)
|
|
|
|
+ return ath79_soc_rev;
|
|
|
|
+
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static int ath79_get_soc_revision(void)
|
|
|
|
+{
|
|
|
|
+ return ath79_soc_rev;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static const struct of_ath_ahb_data {
|
|
|
|
+ u16 dev_id;
|
|
|
|
+ u32 bootstrap_reg;
|
|
|
|
+ u32 bootstrap_ref;
|
|
|
|
+
|
|
|
|
+ int (*soc_revision)(void);
|
|
|
|
+ int (*wmac_reset)(void);
|
|
|
|
+} of_ath_ahb_data[] = {
|
|
|
|
+ [AR913X_WMAC] = {
|
|
|
|
+ .dev_id = AR5416_AR9100_DEVID,
|
|
|
|
+ .wmac_reset = ar913x_wmac_reset,
|
|
|
|
+
|
|
|
|
+ },
|
|
|
|
+ [AR933X_WMAC] = {
|
|
|
|
+ .dev_id = AR9300_DEVID_AR9330,
|
|
|
|
+ .bootstrap_reg = AR933X_RESET_REG_BOOTSTRAP,
|
|
|
|
+ .bootstrap_ref = AR933X_BOOTSTRAP_REF_CLK_40,
|
|
|
|
+ .soc_revision = ar9330_get_soc_revision,
|
|
|
|
+ .wmac_reset = ar933x_wmac_reset,
|
|
|
|
+ },
|
|
|
|
+ [AR934X_WMAC] = {
|
|
|
|
+ .dev_id = AR9300_DEVID_AR9340,
|
|
|
|
+ .bootstrap_reg = AR934X_RESET_REG_BOOTSTRAP,
|
|
|
|
+ .bootstrap_ref = AR934X_BOOTSTRAP_REF_CLK_40,
|
|
|
|
+ .soc_revision = ath79_get_soc_revision,
|
|
|
|
+ },
|
|
|
|
+ [QCA953X_WMAC] = {
|
|
|
|
+ .dev_id = AR9300_DEVID_AR953X,
|
|
|
|
+ .bootstrap_reg = QCA953X_RESET_REG_BOOTSTRAP,
|
|
|
|
+ .bootstrap_ref = QCA953X_BOOTSTRAP_REF_CLK_40,
|
|
|
|
+ .soc_revision = ath79_get_soc_revision,
|
|
|
|
+ },
|
|
|
|
+ [QCA955X_WMAC] = {
|
|
|
|
+ .dev_id = AR9300_DEVID_QCA955X,
|
|
|
|
+ .bootstrap_reg = QCA955X_RESET_REG_BOOTSTRAP,
|
|
|
|
+ .bootstrap_ref = QCA955X_BOOTSTRAP_REF_CLK_40,
|
|
|
|
+ .wmac_reset = qca955x_wmac_reset,
|
|
|
|
+ },
|
|
|
|
+ [QCA956X_WMAC] = {
|
|
|
|
+ .dev_id = AR9300_DEVID_QCA956X,
|
|
|
|
+ .bootstrap_reg = QCA956X_RESET_REG_BOOTSTRAP,
|
|
|
|
+ .bootstrap_ref = QCA956X_BOOTSTRAP_REF_CLK_40,
|
|
|
|
+ .soc_revision = ath79_get_soc_revision,
|
|
|
|
+ },
|
|
|
|
+};
|
|
|
|
+
|
|
|
|
+const struct of_device_id of_ath_ahb_match[] = {
|
|
|
|
+ { .compatible = "qca,ar9130-wmac", .data = &of_ath_ahb_data[AR913X_WMAC] },
|
|
|
|
+ { .compatible = "qca,ar9330-wmac", .data = &of_ath_ahb_data[AR933X_WMAC] },
|
|
|
|
+ { .compatible = "qca,ar9340-wmac", .data = &of_ath_ahb_data[AR934X_WMAC] },
|
|
|
|
+ { .compatible = "qca,qca9530-wmac", .data = &of_ath_ahb_data[QCA953X_WMAC] },
|
|
|
|
+ { .compatible = "qca,qca9550-wmac", .data = &of_ath_ahb_data[QCA955X_WMAC] },
|
|
|
|
+ { .compatible = "qca,qca9560-wmac", .data = &of_ath_ahb_data[QCA956X_WMAC] },
|
|
|
|
+ {},
|
|
|
|
+};
|
|
|
|
+MODULE_DEVICE_TABLE(of, of_ath_ahb_match);
|
|
|
|
+
|
|
|
|
+static int of_ath_ahb_probe(struct platform_device *pdev)
|
|
|
|
+{
|
|
|
|
+ struct ath9k_platform_data *pdata;
|
|
|
|
+ const struct of_device_id *match;
|
|
|
|
+ const struct of_ath_ahb_data *data;
|
|
|
|
+ u8 led_pin;
|
|
|
|
+
|
|
|
|
+ match = of_match_device(of_ath_ahb_match, &pdev->dev);
|
|
|
|
+ data = (const struct of_ath_ahb_data *)match->data;
|
|
|
|
+
|
|
|
|
+ pdata = dev_get_platdata(&pdev->dev);
|
|
|
|
+
|
|
|
|
+ if (!of_property_read_u8(pdev->dev.of_node, "qca,led-pin", &led_pin))
|
|
|
|
+ pdata->led_pin = led_pin;
|
|
|
|
+ else
|
|
|
|
+ pdata->led_pin = -1;
|
|
|
|
+
|
|
|
|
+ if (of_property_read_bool(pdev->dev.of_node, "qca,disable-2ghz"))
|
|
|
|
+ pdata->disable_2ghz = true;
|
|
|
|
+
|
|
|
|
+ if (of_property_read_bool(pdev->dev.of_node, "qca,disable-5ghz"))
|
|
|
|
+ pdata->disable_5ghz = true;
|
|
|
|
+
|
|
|
|
+ if (of_property_read_bool(pdev->dev.of_node, "qca,tx-gain-buffalo"))
|
|
|
|
+ pdata->tx_gain_buffalo = true;
|
|
|
|
+
|
|
|
|
+ if (data->wmac_reset) {
|
|
|
|
+ data->wmac_reset();
|
|
|
|
+ pdata->external_reset = data->wmac_reset;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (data->bootstrap_reg && data->bootstrap_ref) {
|
|
|
|
+ u32 t = ath79_reset_rr(data->bootstrap_reg);
|
|
|
|
+ if (t & data->bootstrap_ref)
|
|
|
|
+ pdata->is_clk_25mhz = false;
|
|
|
|
+ else
|
|
|
|
+ pdata->is_clk_25mhz = true;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ pdata->get_mac_revision = data->soc_revision;
|
|
|
|
+
|
|
|
|
+ if (of_get_wifi_cal(pdev->dev.of_node, pdata))
|
|
|
|
+ dev_err(&pdev->dev, "failed to load calibration data from mtd device\n");
|
|
|
|
+
|
|
|
|
+ return data->dev_id;
|
|
|
|
+}
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
static int ath_ahb_probe(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
void __iomem *mem;
|
2018-09-23 16:02:35 +00:00
|
|
|
@@ -80,6 +317,17 @@ static int ath_ahb_probe(struct platform
|
2018-05-14 05:11:56 +00:00
|
|
|
int ret = 0;
|
|
|
|
struct ath_hw *ah;
|
|
|
|
char hw_name[64];
|
|
|
|
+ u16 dev_id;
|
|
|
|
+
|
|
|
|
+ if (id)
|
|
|
|
+ dev_id = id->driver_data;
|
|
|
|
+
|
|
|
|
+#ifdef CONFIG_OF
|
|
|
|
+ if (pdev->dev.of_node)
|
|
|
|
+ pdev->dev.platform_data = devm_kzalloc(&pdev->dev,
|
|
|
|
+ sizeof(struct ath9k_platform_data),
|
|
|
|
+ GFP_KERNEL);
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
if (!dev_get_platdata(&pdev->dev)) {
|
|
|
|
dev_err(&pdev->dev, "no platform data specified\n");
|
2018-09-23 16:02:35 +00:00
|
|
|
@@ -122,13 +370,16 @@ static int ath_ahb_probe(struct platform
|
2018-05-14 05:11:56 +00:00
|
|
|
sc->mem = mem;
|
|
|
|
sc->irq = irq;
|
|
|
|
|
|
|
|
+#ifdef CONFIG_OF
|
|
|
|
+ dev_id = of_ath_ahb_probe(pdev);
|
|
|
|
+#endif
|
|
|
|
ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "request_irq failed\n");
|
|
|
|
goto err_free_hw;
|
|
|
|
}
|
|
|
|
|
|
|
|
- ret = ath9k_init_device(id->driver_data, sc, &ath_ahb_bus_ops);
|
|
|
|
+ ret = ath9k_init_device(dev_id, sc, &ath_ahb_bus_ops);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "failed to initialize device\n");
|
|
|
|
goto err_irq;
|
2018-09-23 16:02:35 +00:00
|
|
|
@@ -159,6 +410,9 @@ static int ath_ahb_remove(struct platfor
|
2018-05-14 05:11:56 +00:00
|
|
|
free_irq(sc->irq, sc);
|
|
|
|
ieee80211_free_hw(sc->hw);
|
|
|
|
}
|
|
|
|
+#ifdef CONFIG_OF
|
|
|
|
+ pdev->dev.platform_data = NULL;
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2018-09-23 16:02:35 +00:00
|
|
|
@@ -168,6 +422,9 @@ static struct platform_driver ath_ahb_dr
|
2018-05-14 05:11:56 +00:00
|
|
|
.remove = ath_ahb_remove,
|
|
|
|
.driver = {
|
|
|
|
.name = "ath9k",
|
|
|
|
+#ifdef CONFIG_OF
|
|
|
|
+ .of_match_table = of_ath_ahb_match,
|
|
|
|
+#endif
|
|
|
|
},
|
|
|
|
.id_table = ath9k_platform_id_table,
|
|
|
|
};
|
2018-06-22 07:43:56 +00:00
|
|
|
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
|
|
|
|
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
|
2018-05-14 05:11:56 +00:00
|
|
|
@@ -25,6 +25,7 @@
|
|
|
|
#include <linux/time.h>
|
|
|
|
#include <linux/hw_random.h>
|
|
|
|
#include <linux/gpio/driver.h>
|
|
|
|
+#include <linux/reset.h>
|
|
|
|
|
|
|
|
#include "common.h"
|
|
|
|
#include "debug.h"
|
2019-07-06 22:08:20 +00:00
|
|
|
@@ -1011,6 +1012,9 @@ struct ath_softc {
|
2018-05-14 05:11:56 +00:00
|
|
|
struct ath_hw *sc_ah;
|
|
|
|
void __iomem *mem;
|
|
|
|
int irq;
|
|
|
|
+#ifdef CONFIG_OF
|
|
|
|
+ struct reset_control *reset;
|
|
|
|
+#endif
|
|
|
|
spinlock_t sc_serial_rw;
|
|
|
|
spinlock_t sc_pm_lock;
|
|
|
|
spinlock_t sc_pcu_lock;
|