[U-Boot] [PATCH v2 79/80] dm: usb: exynos: Drop legacy USB code
Simon Glass
sjg at chromium.org
Wed Mar 25 19:23:07 CET 2015
Drop the code that doesn't use driver model for USB.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v2: None
drivers/usb/host/ehci-exynos.c | 117 ----------------------------------------
drivers/usb/host/xhci-exynos5.c | 108 -------------------------------------
include/fdtdec.h | 2 -
lib/fdtdec.c | 2 -
4 files changed, 229 deletions(-)
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index 86cf631..18e9251 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -25,14 +25,12 @@
/* Declare global data pointer */
DECLARE_GLOBAL_DATA_PTR;
-#ifdef CONFIG_DM_USB
struct exynos_ehci_platdata {
struct usb_platdata usb_plat;
fdt_addr_t hcd_base;
fdt_addr_t phy_base;
struct gpio_desc vbus_gpio;
};
-#endif
/**
* Contains pointers to register base addresses
@@ -42,16 +40,8 @@ struct exynos_ehci {
struct ehci_ctrl ctrl;
struct exynos_usb_phy *usb;
struct ehci_hccr *hcd;
-#ifndef CONFIG_DM_USB
- struct gpio_desc vbus_gpio;
-#endif
};
-#ifndef CONFIG_DM_USB
-static struct exynos_ehci exynos;
-#endif
-
-#ifdef CONFIG_DM_USB
static int ehci_usb_ofdata_to_platdata(struct udevice *dev)
{
struct exynos_ehci_platdata *plat = dev_get_platdata(dev);
@@ -91,55 +81,6 @@ static int ehci_usb_ofdata_to_platdata(struct udevice *dev)
return 0;
}
-#else
-static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
-{
- fdt_addr_t addr;
- unsigned int node;
- int depth;
-
- node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS_EHCI);
- if (node <= 0) {
- debug("EHCI: Can't get device node for ehci\n");
- return -ENODEV;
- }
-
- /*
- * Get the base address for EHCI controller from the device node
- */
- addr = fdtdec_get_addr(blob, node, "reg");
- if (addr == FDT_ADDR_T_NONE) {
- debug("Can't get the EHCI register address\n");
- return -ENXIO;
- }
-
- exynos->hcd = (struct ehci_hccr *)addr;
-
- /* Vbus gpio */
- gpio_request_by_name_nodev(blob, node, "samsung,vbus-gpio", 0,
- &exynos->vbus_gpio, GPIOD_IS_OUT);
-
- depth = 0;
- node = fdtdec_next_compatible_subnode(blob, node,
- COMPAT_SAMSUNG_EXYNOS_USB_PHY, &depth);
- if (node <= 0) {
- debug("EHCI: Can't get device node for usb-phy controller\n");
- return -ENODEV;
- }
-
- /*
- * Get the base address for usbphy from the device node
- */
- exynos->usb = (struct exynos_usb_phy *)fdtdec_get_addr(blob, node,
- "reg");
- if (exynos->usb == NULL) {
- debug("Can't get the usbphy register address\n");
- return -ENXIO;
- }
-
- return 0;
-}
-#endif
static void exynos5_setup_usb_phy(struct exynos_usb_phy *usb)
{
@@ -270,63 +211,6 @@ static void reset_usb_phy(struct exynos_usb_phy *usb)
set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_DISABLE);
}
-#ifndef CONFIG_DM_USB
-/*
- * EHCI-initialization
- * Create the appropriate control structures to manage
- * a new EHCI host controller.
- */
-int ehci_hcd_init(int index, enum usb_init_type init,
- struct ehci_hccr **hccr, struct ehci_hcor **hcor)
-{
- struct exynos_ehci *ctx = &exynos;
-
-#ifdef CONFIG_OF_CONTROL
- if (exynos_usb_parse_dt(gd->fdt_blob, ctx)) {
- debug("Unable to parse device tree for ehci-exynos\n");
- return -ENODEV;
- }
-#else
- ctx->usb = (struct exynos_usb_phy *)samsung_get_base_usb_phy();
- ctx->hcd = (struct ehci_hccr *)samsung_get_base_usb_ehci();
-#endif
-
-#ifdef CONFIG_OF_CONTROL
- /* setup the Vbus gpio here */
- if (dm_gpio_is_valid(&ctx->vbus_gpio))
- dm_gpio_set_value(&ctx->vbus_gpio, 1);
-#endif
-
- setup_usb_phy(ctx->usb);
-
- board_usb_init(index, init);
-
- *hccr = ctx->hcd;
- *hcor = (struct ehci_hcor *)((uint32_t) *hccr
- + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
-
- debug("Exynos5-ehci: init hccr %x and hcor %x hc_length %d\n",
- (uint32_t)*hccr, (uint32_t)*hcor,
- (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
-
- return 0;
-}
-
-/*
- * Destroy the appropriate control structures corresponding
- * the EHCI host controller.
- */
-int ehci_hcd_stop(int index)
-{
- struct exynos_ehci *ctx = &exynos;
-
- reset_usb_phy(ctx->usb);
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_DM_USB
static int ehci_usb_probe(struct udevice *dev)
{
struct exynos_ehci_platdata *plat = dev_get_platdata(dev);
@@ -377,4 +261,3 @@ U_BOOT_DRIVER(usb_ehci) = {
.platdata_auto_alloc_size = sizeof(struct exynos_ehci_platdata),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};
-#endif
diff --git a/drivers/usb/host/xhci-exynos5.c b/drivers/usb/host/xhci-exynos5.c
index 23c7ecc..a27a796 100644
--- a/drivers/usb/host/xhci-exynos5.c
+++ b/drivers/usb/host/xhci-exynos5.c
@@ -33,36 +33,24 @@
/* Declare global data pointer */
DECLARE_GLOBAL_DATA_PTR;
-#ifdef CONFIG_DM_USB
struct exynos_xhci_platdata {
fdt_addr_t hcd_base;
fdt_addr_t phy_base;
struct gpio_desc vbus_gpio;
};
-#endif
/**
* Contains pointers to register base addresses
* for the usb controller.
*/
struct exynos_xhci {
-#ifdef CONFIG_DM_USB
struct usb_platdata usb_plat;
-#endif
struct xhci_ctrl ctrl;
struct exynos_usb3_phy *usb3_phy;
struct xhci_hccr *hcd;
struct dwc3 *dwc3_reg;
-#ifndef CONFIG_DM_USB
- struct gpio_desc vbus_gpio;
-#endif
};
-#ifndef CONFIG_DM_USB
-static struct exynos_xhci exynos;
-#endif
-
-#ifdef CONFIG_DM_USB
static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
{
struct exynos_xhci_platdata *plat = dev_get_platdata(dev);
@@ -102,54 +90,6 @@ static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
return 0;
}
-#else
-static int exynos_usb3_parse_dt(const void *blob, struct exynos_xhci *exynos)
-{
- fdt_addr_t addr;
- unsigned int node;
- int depth;
-
- node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_XHCI);
- if (node <= 0) {
- debug("XHCI: Can't get device node for xhci\n");
- return -ENODEV;
- }
-
- /*
- * Get the base address for XHCI controller from the device node
- */
- addr = fdtdec_get_addr(blob, node, "reg");
- if (addr == FDT_ADDR_T_NONE) {
- debug("Can't get the XHCI register base address\n");
- return -ENXIO;
- }
- exynos->hcd = (struct xhci_hccr *)addr;
-
- /* Vbus gpio */
- gpio_request_by_name_nodev(blob, node, "samsung,vbus-gpio", 0,
- &exynos->vbus_gpio, GPIOD_IS_OUT);
-
- depth = 0;
- node = fdtdec_next_compatible_subnode(blob, node,
- COMPAT_SAMSUNG_EXYNOS5_USB3_PHY, &depth);
- if (node <= 0) {
- debug("XHCI: Can't get device node for usb3-phy controller\n");
- return -ENODEV;
- }
-
- /*
- * Get the base address for usbphy from the device node
- */
- exynos->usb3_phy = (struct exynos_usb3_phy *)fdtdec_get_addr(blob, node,
- "reg");
- if (exynos->usb3_phy == NULL) {
- debug("Can't get the usbphy register address\n");
- return -ENXIO;
- }
-
- return 0;
-}
-#endif
static void exynos5_usb3_phy_init(struct exynos_usb3_phy *phy)
{
@@ -340,53 +280,6 @@ static void exynos_xhci_core_exit(struct exynos_xhci *exynos)
exynos5_usb3_phy_exit(exynos->usb3_phy);
}
-#ifndef CONFIG_DM_USB
-int xhci_hcd_init(int index, struct xhci_hccr **hccr, struct xhci_hcor **hcor)
-{
- struct exynos_xhci *ctx = &exynos;
- int ret;
-
-#ifdef CONFIG_OF_CONTROL
- exynos_usb3_parse_dt(gd->fdt_blob, ctx);
-#else
- ctx->usb3_phy = (struct exynos_usb3_phy *)samsung_get_base_usb3_phy();
- ctx->hcd = (struct xhci_hccr *)samsung_get_base_usb_xhci();
-#endif
-
- ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET);
-
-#ifdef CONFIG_OF_CONTROL
- /* setup the Vbus gpio here */
- if (dm_gpio_is_valid(&ctx->vbus_gpio))
- dm_gpio_set_value(&ctx->vbus_gpio, 1);
-#endif
-
- ret = exynos_xhci_core_init(ctx);
- if (ret) {
- puts("XHCI: failed to initialize controller\n");
- return -EINVAL;
- }
-
- *hccr = (ctx->hcd);
- *hcor = (struct xhci_hcor *)((uint32_t) *hccr
- + HC_LENGTH(xhci_readl(&(*hccr)->cr_capbase)));
-
- debug("Exynos5-xhci: init hccr %x and hcor %x hc_length %d\n",
- (uint32_t)*hccr, (uint32_t)*hcor,
- (uint32_t)HC_LENGTH(xhci_readl(&(*hccr)->cr_capbase)));
-
- return 0;
-}
-
-void xhci_hcd_stop(int index)
-{
- struct exynos_xhci *ctx = &exynos;
-
- exynos_xhci_core_exit(ctx);
-}
-#endif
-
-#ifdef CONFIG_DM_USB
static int xhci_usb_probe(struct udevice *dev)
{
struct exynos_xhci_platdata *plat = dev_get_platdata(dev);
@@ -443,4 +336,3 @@ U_BOOT_DRIVER(usb_xhci) = {
.priv_auto_alloc_size = sizeof(struct exynos_xhci),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};
-#endif
diff --git a/include/fdtdec.h b/include/fdtdec.h
index c24fed2..b9d63ad 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -133,8 +133,6 @@ enum fdt_compat_id {
COMPAT_WOLFSON_WM8994_CODEC, /* Wolfson WM8994 Sound Codec */
COMPAT_GOOGLE_CROS_EC, /* Google CROS_EC Protocol */
COMPAT_GOOGLE_CROS_EC_KEYB, /* Google CROS_EC Keyboard */
- COMPAT_SAMSUNG_EXYNOS_EHCI, /* Exynos EHCI controller */
- COMPAT_SAMSUNG_EXYNOS5_XHCI, /* Exynos5 XHCI controller */
COMPAT_SAMSUNG_EXYNOS_USB_PHY, /* Exynos phy controller for usb2.0 */
COMPAT_SAMSUNG_EXYNOS5_USB3_PHY,/* Exynos phy controller for usb3.0 */
COMPAT_SAMSUNG_EXYNOS_TMU, /* Exynos TMU */
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index d3e725b..94460d0 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -41,8 +41,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
COMPAT(WOLFSON_WM8994_CODEC, "wolfson,wm8994-codec"),
COMPAT(GOOGLE_CROS_EC, "google,cros-ec"),
COMPAT(GOOGLE_CROS_EC_KEYB, "google,cros-ec-keyb"),
- COMPAT(SAMSUNG_EXYNOS_EHCI, "samsung,exynos-ehci"),
- COMPAT(SAMSUNG_EXYNOS5_XHCI, "samsung,exynos5250-xhci"),
COMPAT(SAMSUNG_EXYNOS_USB_PHY, "samsung,exynos-usb-phy"),
COMPAT(SAMSUNG_EXYNOS5_USB3_PHY, "samsung,exynos5250-usb3-phy"),
COMPAT(SAMSUNG_EXYNOS_TMU, "samsung,exynos-tmu"),
--
2.2.0.rc0.207.ga3a616c
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