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dm: usb: tegra: Drop legacy USB code

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Drop the code that doesn't use driver model for USB.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2015-03-25 12:23:06 -06:00
parent af28224546
commit 257bfd2e21
4 changed files with 0 additions and 159 deletions
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3
arch/arm/mach-tegra/board2.c
View File

@@ -161,9 +161,6 @@ int board_init(void)
#ifdef CONFIG_USB_EHCI_TEGRA
pin_mux_usb();
# ifndef CONFIG_DM_USB
usb_process_devicetree(gd->fdt_blob);
# endif
#endif
#ifdef CONFIG_LCD

150
drivers/usb/host/ehci-tegra.c
View File

@@ -35,12 +35,6 @@ DECLARE_GLOBAL_DATA_PTR;
#endif
#endif
#ifndef CONFIG_DM_USB
enum {
USB_PORTS_MAX = 3, /* Maximum ports we allow */
};
#endif
/* Parameters we need for USB */
enum {
PARAM_DIVN, /* PLL FEEDBACK DIVIDer */
@@ -82,9 +76,6 @@ struct fdt_usb {
unsigned ulpi:1; /* 1 if port has external ULPI transceiver */
unsigned enabled:1; /* 1 to enable, 0 to disable */
unsigned has_legacy_mode:1; /* 1 if this port has legacy mode */
#ifndef CONFIG_DM_USB
unsigned initialized:1; /* has this port already been initialized? */
#endif
enum usb_ctlr_type type;
enum usb_init_type init_type;
enum dr_mode dr_mode; /* dual role mode */
@@ -93,11 +84,6 @@ struct fdt_usb {
struct gpio_desc phy_reset_gpio; /* GPIO to reset ULPI phy */
};
#ifndef CONFIG_DM_USB
static struct fdt_usb port[USB_PORTS_MAX]; /* List of valid USB ports */
static unsigned port_count; /* Number of available ports */
#endif
/*
* This table has USB timing parameters for each Oscillator frequency we
* support. There are four sets of values:
@@ -173,8 +159,6 @@ static const u8 utmip_elastic_limit = 16;
static const u8 utmip_hs_sync_start_delay = 9;
struct fdt_usb_controller {
/* TODO(sjg@chromium.org): Remove when we only use driver model */
int compat;
/* flag to determine whether controller supports hostpc register */
u32 has_hostpc:1;
const unsigned *pll_parameter;
@@ -182,17 +166,14 @@ struct fdt_usb_controller {
static struct fdt_usb_controller fdt_usb_controllers[USB_CTRL_COUNT] = {
{
.compat = COMPAT_NVIDIA_TEGRA20_USB,
.has_hostpc = 0,
.pll_parameter = (const unsigned *)T20_usb_pll,
},
{
.compat = COMPAT_NVIDIA_TEGRA30_USB,
.has_hostpc = 1,
.pll_parameter = (const unsigned *)T30_usb_pll,
},
{
.compat = COMPAT_NVIDIA_TEGRA114_USB,
.has_hostpc = 1,
.pll_parameter = (const unsigned *)T114_usb_pll,
},
@@ -754,12 +735,6 @@ int usb_common_init(struct fdt_usb *config, enum usb_init_type init)
return -1;
}
#ifndef CONFIG_DM_USB
/* skip init, if the port is already initialized */
if (config->initialized && config->init_type == init)
return 0;
#endif
debug("%d, %d\n", config->utmi, config->ulpi);
if (config->utmi)
ret = init_utmi_usb_controller(config, init);
@@ -796,130 +771,6 @@ static const struct ehci_ops tegra_ehci_ops = {
.powerup_fixup = tegra_ehci_powerup_fixup,
};
#ifndef CONFIG_DM_USB
/*
* process_usb_nodes() - Process a list of USB nodes, adding them to our list
* of USB ports.
* @blob: fdt blob
* @node_list: list of nodes to process (any <=0 are ignored)
* @count: number of nodes to process
* @id: controller type (enum usb_ctlr_type)
*
* Return: 0 - ok, -1 - error
*/
static int process_usb_nodes(const void *blob, int node_list[], int count,
enum usb_ctlr_type id)
{
struct fdt_usb config;
int node, i;
int clk_done = 0;
port_count = 0;
for (i = 0; i < count; i++) {
if (port_count == USB_PORTS_MAX) {
printf("tegrausb: Cannot register more than %d ports\n",
USB_PORTS_MAX);
return -1;
}
debug("USB %d: ", i);
node = node_list[i];
if (!node)
continue;
if (fdt_decode_usb(blob, node, &config)) {
debug("Cannot decode USB node %s\n",
fdt_get_name(blob, node, NULL));
return -1;
}
if (!clk_done) {
config_clock(get_pll_timing(
&fdt_usb_controllers[id]));
clk_done = 1;
}
config.type = id;
config.initialized = 0;
/* add new USB port to the list of available ports */
port[port_count++] = config;
}
return 0;
}
int usb_process_devicetree(const void *blob)
{
int node_list[USB_PORTS_MAX];
int count, err = 0;
int i;
for (i = 0; i < ARRAY_SIZE(fdt_usb_controllers); i++) {
count = fdtdec_find_aliases_for_id(blob, "usb",
fdt_usb_controllers[i].compat, node_list,
USB_PORTS_MAX);
if (count) {
err = process_usb_nodes(blob, node_list, count, i);
if (err)
printf("%s: Error processing USB node!\n",
__func__);
return err;
}
}
return err;
}
/**
* Start up the given port number (ports are numbered from 0 on each board).
* This returns values for the appropriate hccr and hcor addresses to use for
* USB EHCI operations.
*
* @param index port number to start
* @param hccr returns start address of EHCI HCCR registers
* @param hcor returns start address of EHCI HCOR registers
* @return 0 if ok, -1 on error (generally invalid port number)
*/
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
struct fdt_usb *config;
struct usb_ctlr *usbctlr;
int ret;
if (index >= port_count)
return -1;
config = &port[index];
ehci_set_controller_priv(index, config, &tegra_ehci_ops);
ret = usb_common_init(config, init);
if (ret) {
printf("tegrausb: Cannot init port %d\n", index);
return ret;
}
config->initialized = 1;
usbctlr = config->reg;
*hccr = (struct ehci_hccr *)&usbctlr->cap_length;
*hcor = (struct ehci_hcor *)&usbctlr->usb_cmd;
return 0;
}
/*
* Bring down the specified USB controller
*/
int ehci_hcd_stop(int index)
{
usb_common_uninit(&port[index]);
port[index].initialized = 0;
return 0;
}
#endif /* !CONFIG_DM_USB */
#ifdef CONFIG_DM_USB
static int ehci_usb_ofdata_to_platdata(struct udevice *dev)
{
struct fdt_usb *priv = dev_get_priv(dev);
@@ -987,4 +838,3 @@ U_BOOT_DRIVER(usb_ehci) = {
.priv_auto_alloc_size = sizeof(struct fdt_usb),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};
#endif

3
include/fdtdec.h
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@@ -128,9 +128,6 @@ static inline fdt_size_t fdt_resource_size(const struct fdt_resource *res)
*/
enum fdt_compat_id {
COMPAT_UNKNOWN,
COMPAT_NVIDIA_TEGRA20_USB, /* Tegra20 USB port */
COMPAT_NVIDIA_TEGRA30_USB, /* Tegra30 USB port */
COMPAT_NVIDIA_TEGRA114_USB, /* Tegra114 USB port */
COMPAT_NVIDIA_TEGRA20_EMC, /* Tegra20 memory controller */
COMPAT_NVIDIA_TEGRA20_EMC_TABLE, /* Tegra20 memory timing table */
COMPAT_NVIDIA_TEGRA20_KBC, /* Tegra20 Keyboard */

3
lib/fdtdec.c
View File

@@ -22,9 +22,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define COMPAT(id, name) name
static const char * const compat_names[COMPAT_COUNT] = {
COMPAT(UNKNOWN, "<none>"),
COMPAT(NVIDIA_TEGRA20_USB, "nvidia,tegra20-ehci"),
COMPAT(NVIDIA_TEGRA30_USB, "nvidia,tegra30-ehci"),
COMPAT(NVIDIA_TEGRA114_USB, "nvidia,tegra114-ehci"),
COMPAT(NVIDIA_TEGRA20_EMC, "nvidia,tegra20-emc"),
COMPAT(NVIDIA_TEGRA20_EMC_TABLE, "nvidia,tegra20-emc-table"),
COMPAT(NVIDIA_TEGRA20_KBC, "nvidia,tegra20-kbc"),