[U-Boot,v2,18/53] usb: host: Drop [e-o]hci-sunxi drivers

Message ID 20180810060711.6547-19-jagan@amarulasolutions.com
State Superseded
Delegated to: Jagannadha Sutradharudu Teki
Headers show
Series
  • clk: Add Allwinner CLK, RESET support
Related show

Commit Message

Jagan Teki Aug. 10, 2018, 6:06 a.m.
Now Allwinner platform is all set to use Generic USB
controller drivers, so remove the legacy sunxi drivers.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 drivers/usb/host/Makefile     |   2 -
 drivers/usb/host/ehci-sunxi.c | 204 -----------------------------
 drivers/usb/host/ohci-sunxi.c | 233 ----------------------------------
 scripts/config_whitelist.txt  |   2 -
 4 files changed, 441 deletions(-)
 delete mode 100644 drivers/usb/host/ehci-sunxi.c
 delete mode 100644 drivers/usb/host/ohci-sunxi.c

Patch

diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index cb8c315a15..b62fdbb1d2 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -15,7 +15,6 @@  obj-$(CONFIG_USB_OHCI_DA8XX) += ohci-da8xx.o
 obj-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
 obj-$(CONFIG_USB_SL811HS) += sl811-hcd.o
 obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o
-obj-$(CONFIG_USB_OHCI_SUNXI) += ohci-sunxi.o
 obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o
 obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o
 
@@ -37,7 +36,6 @@  obj-$(CONFIG_USB_EHCI_MARVELL) += ehci-marvell.o
 obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o
 obj-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o
 obj-$(CONFIG_USB_EHCI_SPEAR) += ehci-spear.o
-obj-$(CONFIG_USB_EHCI_SUNXI) += ehci-sunxi.o
 obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o
 obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o
 obj-$(CONFIG_USB_EHCI_VF) += ehci-vf.o
diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
deleted file mode 100644
index 7a79931a97..0000000000
--- a/drivers/usb/host/ehci-sunxi.c
+++ /dev/null
@@ -1,204 +0,0 @@ 
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Sunxi ehci glue
- *
- * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
- * Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com>
- *
- * Based on code from
- * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
- */
-
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/io.h>
-#include <dm.h>
-#include "ehci.h"
-#include <generic-phy.h>
-
-#ifdef CONFIG_SUNXI_GEN_SUN4I
-#define BASE_DIST		0x8000
-#define AHB_CLK_DIST		2
-#else
-#define BASE_DIST		0x1000
-#define AHB_CLK_DIST		1
-#endif
-
-#define SUN6I_AHB_RESET0_CFG_OFFSET 0x2c0
-#define SUN9I_AHB_RESET0_CFG_OFFSET 0x5a0
-
-struct ehci_sunxi_cfg {
-	bool has_reset;
-	u32 extra_ahb_gate_mask;
-	u32 reset0_cfg_offset;
-};
-
-struct ehci_sunxi_priv {
-	struct ehci_ctrl ehci;
-	struct sunxi_ccm_reg *ccm;
-	u32 *reset0_cfg;
-	int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */
-	struct phy phy;
-	const struct ehci_sunxi_cfg *cfg;
-};
-
-static int ehci_usb_probe(struct udevice *dev)
-{
-	struct usb_platdata *plat = dev_get_platdata(dev);
-	struct ehci_sunxi_priv *priv = dev_get_priv(dev);
-	struct ehci_hccr *hccr = (struct ehci_hccr *)devfdt_get_addr(dev);
-	struct ehci_hcor *hcor;
-	int extra_ahb_gate_mask = 0;
-	u8 reg_mask = 0;
-	int phys, ret;
-
-	priv->cfg = (const struct ehci_sunxi_cfg *)dev_get_driver_data(dev);
-	priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-	if (IS_ERR(priv->ccm))
-		return PTR_ERR(priv->ccm);
-
-	priv->reset0_cfg = (void *)priv->ccm +
-				   priv->cfg->reset0_cfg_offset;
-
-	phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
-	if (phys < 0) {
-		phys = 0;
-		goto no_phy;
-	}
-
-	ret = generic_phy_get_by_name(dev, "usb", &priv->phy);
-	if (ret) {
-		pr_err("failed to get %s usb PHY\n", dev->name);
-		return ret;
-	}
-
-	ret = generic_phy_init(&priv->phy);
-	if (ret) {
-		pr_err("failed to init %s USB PHY\n", dev->name);
-		return ret;
-	}
-
-	ret = generic_phy_power_on(&priv->phy);
-	if (ret) {
-		pr_err("failed to power on %s USB PHY\n", dev->name);
-		return ret;
-	}
-
-no_phy:
-	/*
-	 * This should go away once we've moved to the driver model for
-	 * clocks resp. phys.
-	 */
-	reg_mask = ((uintptr_t)hccr - SUNXI_USB1_BASE) / BASE_DIST;
-	priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0;
-	extra_ahb_gate_mask = priv->cfg->extra_ahb_gate_mask;
-	priv->ahb_gate_mask <<= reg_mask * AHB_CLK_DIST;
-	extra_ahb_gate_mask <<= reg_mask * AHB_CLK_DIST;
-
-	setbits_le32(&priv->ccm->ahb_gate0,
-		     priv->ahb_gate_mask | extra_ahb_gate_mask);
-	if (priv->cfg->has_reset)
-		setbits_le32(priv->reset0_cfg,
-			     priv->ahb_gate_mask | extra_ahb_gate_mask);
-
-	hcor = (struct ehci_hcor *)((uintptr_t)hccr +
-				    HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
-
-	return ehci_register(dev, hccr, hcor, NULL, 0, plat->init_type);
-}
-
-static int ehci_usb_remove(struct udevice *dev)
-{
-	struct ehci_sunxi_priv *priv = dev_get_priv(dev);
-	int ret;
-
-	if (generic_phy_valid(&priv->phy)) {
-		ret = generic_phy_exit(&priv->phy);
-		if (ret) {
-			pr_err("failed to exit %s USB PHY\n", dev->name);
-			return ret;
-		}
-	}
-
-	ret = ehci_deregister(dev);
-	if (ret)
-		return ret;
-
-	if (priv->cfg->has_reset)
-		clrbits_le32(priv->reset0_cfg, priv->ahb_gate_mask);
-	clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask);
-
-	return 0;
-}
-
-static const struct ehci_sunxi_cfg sun4i_a10_cfg = {
-	.has_reset = false,
-};
-
-static const struct ehci_sunxi_cfg sun6i_a31_cfg = {
-	.has_reset = true,
-	.reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
-};
-
-static const struct ehci_sunxi_cfg sun8i_h3_cfg = {
-	.has_reset = true,
-	.extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0,
-	.reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
-};
-
-static const struct ehci_sunxi_cfg sun9i_a80_cfg = {
-	.has_reset = true,
-	.reset0_cfg_offset = SUN9I_AHB_RESET0_CFG_OFFSET,
-};
-
-static const struct udevice_id ehci_usb_ids[] = {
-	{
-		.compatible = "allwinner,sun4i-a10-ehci",
-		.data = (ulong)&sun4i_a10_cfg,
-	},
-	{
-		.compatible = "allwinner,sun5i-a13-ehci",
-		.data = (ulong)&sun4i_a10_cfg,
-	},
-	{
-		.compatible = "allwinner,sun6i-a31-ehci",
-		.data = (ulong)&sun6i_a31_cfg,
-	},
-	{
-		.compatible = "allwinner,sun7i-a20-ehci",
-		.data = (ulong)&sun4i_a10_cfg,
-	},
-	{
-		.compatible = "allwinner,sun8i-a23-ehci",
-		.data = (ulong)&sun6i_a31_cfg,
-	},
-	{
-		.compatible = "allwinner,sun8i-a83t-ehci",
-		.data = (ulong)&sun6i_a31_cfg,
-	},
-	{
-		.compatible = "allwinner,sun8i-h3-ehci",
-		.data = (ulong)&sun8i_h3_cfg,
-	},
-	{
-		.compatible = "allwinner,sun9i-a80-ehci",
-		.data = (ulong)&sun9i_a80_cfg,
-	},
-	{
-		.compatible = "allwinner,sun50i-a64-ehci",
-		.data = (ulong)&sun8i_h3_cfg,
-	},
-	{ /* sentinel */ }
-};
-
-U_BOOT_DRIVER(ehci_sunxi) = {
-	.name	= "ehci_sunxi",
-	.id	= UCLASS_USB,
-	.of_match = ehci_usb_ids,
-	.probe = ehci_usb_probe,
-	.remove = ehci_usb_remove,
-	.ops	= &ehci_usb_ops,
-	.platdata_auto_alloc_size = sizeof(struct usb_platdata),
-	.priv_auto_alloc_size = sizeof(struct ehci_sunxi_priv),
-	.flags	= DM_FLAG_ALLOC_PRIV_DMA,
-};
diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c
deleted file mode 100644
index bb3c2475df..0000000000
--- a/drivers/usb/host/ohci-sunxi.c
+++ /dev/null
@@ -1,233 +0,0 @@ 
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Sunxi ohci glue
- *
- * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
- *
- * Based on code from
- * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
- */
-
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/io.h>
-#include <dm.h>
-#include <usb.h>
-#include "ohci.h"
-#include <generic-phy.h>
-
-#ifdef CONFIG_SUNXI_GEN_SUN4I
-#define BASE_DIST		0x8000
-#define AHB_CLK_DIST		2
-#else
-#define BASE_DIST		0x1000
-#define AHB_CLK_DIST		1
-#endif
-
-#define SUN6I_AHB_RESET0_CFG_OFFSET 0x2c0
-#define SUN9I_AHB_RESET0_CFG_OFFSET 0x5a0
-
-struct ohci_sunxi_cfg {
-	bool has_reset;
-	u32 extra_ahb_gate_mask;
-	u32 extra_usb_gate_mask;
-	u32 reset0_cfg_offset;
-};
-
-struct ohci_sunxi_priv {
-	ohci_t ohci;
-	struct sunxi_ccm_reg *ccm;
-	u32 *reset0_cfg;
-	int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */
-	int usb_gate_mask; /* Mask of usb_clk_cfg clk gate bits for this hcd */
-	struct phy phy;
-	const struct ohci_sunxi_cfg *cfg;
-};
-
-static fdt_addr_t last_ohci_addr = 0;
-
-static int ohci_usb_probe(struct udevice *dev)
-{
-	struct usb_bus_priv *bus_priv = dev_get_uclass_priv(dev);
-	struct ohci_sunxi_priv *priv = dev_get_priv(dev);
-	struct ohci_regs *regs = (struct ohci_regs *)devfdt_get_addr(dev);
-	int extra_ahb_gate_mask = 0;
-	u8 reg_mask = 0;
-	int phys, ret;
-
-	if ((fdt_addr_t)regs > last_ohci_addr)
-		last_ohci_addr = (fdt_addr_t)regs;
-
-	priv->cfg = (const struct ohci_sunxi_cfg *)dev_get_driver_data(dev);
-	priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-	if (IS_ERR(priv->ccm))
-		return PTR_ERR(priv->ccm);
-
-	priv->reset0_cfg = (void *)priv->ccm +
-				   priv->cfg->reset0_cfg_offset;
-
-	phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
-	if (phys < 0) {
-		phys = 0;
-		goto no_phy;
-	}
-
-	ret = generic_phy_get_by_name(dev, "usb", &priv->phy);
-	if (ret) {
-		pr_err("failed to get %s usb PHY\n", dev->name);
-		return ret;
-	}
-
-	ret = generic_phy_init(&priv->phy);
-	if (ret) {
-		pr_err("failed to init %s USB PHY\n", dev->name);
-		return ret;
-	}
-
-	ret = generic_phy_power_on(&priv->phy);
-	if (ret) {
-		pr_err("failed to power on %s USB PHY\n", dev->name);
-		return ret;
-	}
-
-no_phy:
-	bus_priv->companion = true;
-
-	/*
-	 * This should go away once we've moved to the driver model for
-	 * clocks resp. phys.
-	 */
-	reg_mask = ((uintptr_t)regs - (SUNXI_USB1_BASE + 0x400)) / BASE_DIST;
-	priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0;
-	extra_ahb_gate_mask = priv->cfg->extra_ahb_gate_mask;
-	priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK;
-	priv->ahb_gate_mask <<= reg_mask * AHB_CLK_DIST;
-	extra_ahb_gate_mask <<= reg_mask * AHB_CLK_DIST;
-	priv->usb_gate_mask <<= reg_mask;
-
-	setbits_le32(&priv->ccm->ahb_gate0,
-		     priv->ahb_gate_mask | extra_ahb_gate_mask);
-	setbits_le32(&priv->ccm->usb_clk_cfg,
-		     priv->usb_gate_mask | priv->cfg->extra_usb_gate_mask);
-	if (priv->cfg->has_reset)
-		setbits_le32(priv->reset0_cfg,
-			     priv->ahb_gate_mask | extra_ahb_gate_mask);
-
-	return ohci_register(dev, regs);
-}
-
-static int ohci_usb_remove(struct udevice *dev)
-{
-	struct ohci_sunxi_priv *priv = dev_get_priv(dev);
-	fdt_addr_t base_addr = devfdt_get_addr(dev);
-	int ret;
-
-	if (generic_phy_valid(&priv->phy)) {
-		ret = generic_phy_exit(&priv->phy);
-		if (ret) {
-			pr_err("failed to exit %s USB PHY\n", dev->name);
-			return ret;
-		}
-	}
-
-	ret = ohci_deregister(dev);
-	if (ret)
-		return ret;
-
-	if (priv->cfg->has_reset)
-		clrbits_le32(priv->reset0_cfg, priv->ahb_gate_mask);
-	/*
-	 * On the A64 CLK_USB_OHCI0 is the parent of CLK_USB_OHCI1, so
-	 * we have to wait with bringing down any clock until the last
-	 * OHCI controller is removed.
-	 */
-	if (!priv->cfg->extra_usb_gate_mask || base_addr == last_ohci_addr) {
-		u32 usb_gate_mask = priv->usb_gate_mask;
-
-		usb_gate_mask |= priv->cfg->extra_usb_gate_mask;
-		clrbits_le32(&priv->ccm->usb_clk_cfg, usb_gate_mask);
-	}
-
-	clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask);
-
-	return 0;
-}
-
-static const struct ohci_sunxi_cfg sun4i_a10_cfg = {
-	.has_reset = false,
-};
-
-static const struct ohci_sunxi_cfg sun6i_a31_cfg = {
-	.has_reset = true,
-	.reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
-};
-
-static const struct ohci_sunxi_cfg sun8i_h3_cfg = {
-	.has_reset = true,
-	.extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
-	.reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
-};
-
-static const struct ohci_sunxi_cfg sun9i_a80_cfg = {
-	.has_reset = true,
-	.reset0_cfg_offset = SUN9I_AHB_RESET0_CFG_OFFSET,
-};
-
-static const struct ohci_sunxi_cfg sun50i_a64_cfg = {
-	.has_reset = true,
-	.extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
-	.extra_usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK,
-	.reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
-};
-
-static const struct udevice_id ohci_usb_ids[] = {
-	{
-		.compatible = "allwinner,sun4i-a10-ohci",
-		.data = (ulong)&sun4i_a10_cfg,
-	},
-	{
-		.compatible = "allwinner,sun5i-a13-ohci",
-		.data = (ulong)&sun4i_a10_cfg,
-	},
-	{
-		.compatible = "allwinner,sun6i-a31-ohci",
-		.data = (ulong)&sun6i_a31_cfg,
-	},
-	{
-		.compatible = "allwinner,sun7i-a20-ohci",
-		.data = (ulong)&sun4i_a10_cfg,
-	},
-	{
-		.compatible = "allwinner,sun8i-a23-ohci",
-		.data = (ulong)&sun6i_a31_cfg,
-	},
-	{
-		.compatible = "allwinner,sun8i-a83t-ohci",
-		.data = (ulong)&sun6i_a31_cfg,
-	},
-	{
-		.compatible = "allwinner,sun8i-h3-ohci",
-		.data = (ulong)&sun8i_h3_cfg,
-	},
-	{
-		.compatible = "allwinner,sun9i-a80-ohci",
-		.data = (ulong)&sun9i_a80_cfg,
-	},
-	{
-		.compatible = "allwinner,sun50i-a64-ohci",
-		.data = (ulong)&sun50i_a64_cfg,
-	},
-	{ /* sentinel */ }
-};
-
-U_BOOT_DRIVER(usb_ohci) = {
-	.name	= "ohci_sunxi",
-	.id	= UCLASS_USB,
-	.of_match = ohci_usb_ids,
-	.probe = ohci_usb_probe,
-	.remove = ohci_usb_remove,
-	.ops	= &ohci_usb_ops,
-	.platdata_auto_alloc_size = sizeof(struct usb_platdata),
-	.priv_auto_alloc_size = sizeof(struct ohci_sunxi_priv),
-	.flags	= DM_FLAG_ALLOC_PRIV_DMA,
-};
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 0d60da3f28..4cca3d1c73 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -4611,7 +4611,6 @@  CONFIG_USB_EHCI_MX5
 CONFIG_USB_EHCI_MXC
 CONFIG_USB_EHCI_MXS
 CONFIG_USB_EHCI_SPEAR
-CONFIG_USB_EHCI_SUNXI
 CONFIG_USB_EHCI_TEGRA
 CONFIG_USB_EHCI_TXFIFO_THRESH
 CONFIG_USB_EHCI_VCT
@@ -4653,7 +4652,6 @@  CONFIG_USB_OHCI
 CONFIG_USB_OHCI_EP93XX
 CONFIG_USB_OHCI_LPC32XX
 CONFIG_USB_OHCI_NEW
-CONFIG_USB_OHCI_SUNXI
 CONFIG_USB_OTG
 CONFIG_USB_OTG_BLACKLIST_HUB
 CONFIG_USB_PHY_CFG_BASE