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Diffstat (limited to 'src/cpu/samsung/exynos5250')
-rw-r--r--src/cpu/samsung/exynos5250/cpu.c3
-rw-r--r--src/cpu/samsung/exynos5250/cpu.h10
-rw-r--r--src/cpu/samsung/exynos5250/power.c31
-rw-r--r--src/cpu/samsung/exynos5250/power.h3
-rw-r--r--src/cpu/samsung/exynos5250/usb.c95
-rw-r--r--src/cpu/samsung/exynos5250/usb.h5
6 files changed, 50 insertions, 97 deletions
diff --git a/src/cpu/samsung/exynos5250/cpu.c b/src/cpu/samsung/exynos5250/cpu.c
index 9a44409402..1ad248d0d1 100644
--- a/src/cpu/samsung/exynos5250/cpu.c
+++ b/src/cpu/samsung/exynos5250/cpu.c
@@ -30,7 +30,6 @@
#include "dp-core.h"
#include "cpu.h"
#include "clk.h"
-#include "usb.h"
#include "chip.h"
static unsigned int cpu_id;
@@ -153,8 +152,6 @@ static void cpu_init(device_t dev)
{
printk(BIOS_INFO, "CPU: S5P%X @ %ldMHz\n",
cpu_id, get_arm_clk() / (1024*1024));
-
- usb_init(dev);
}
static void cpu_noop(device_t dev)
diff --git a/src/cpu/samsung/exynos5250/cpu.h b/src/cpu/samsung/exynos5250/cpu.h
index f4ab3edb21..4cc93916f6 100644
--- a/src/cpu/samsung/exynos5250/cpu.h
+++ b/src/cpu/samsung/exynos5250/cpu.h
@@ -44,9 +44,10 @@
#define EXYNOS5_DMC_CTRL_BASE 0x10DD0000
#define EXYNOS5_GPIO_PART1_BASE 0x11400000 /* A00..Y67 */
#define EXYNOS5_GPIO_PART2_BASE 0x11400c00 /* X00..X37 */
+#define EXYNOS5_USB_DRD_XHCI_BASE 0x12000000
+#define EXYNOS5_USB_DRD_PHY_BASE 0x12100000
#define EXYNOS5_USB_HOST_EHCI_BASE 0x12110000
-#define EXYNOS5_USBPHY_BASE 0x12130000
-#define EXYNOS5_USBOTG_BASE 0x12140000
+#define EXYNOS5_USB_HOST_PHY_BASE 0x12130000
#define EXYNOS5_MMC_BASE 0x12200000
#define EXYNOS5_MSHC_BASE 0x12240000
@@ -117,8 +118,9 @@
#define samsung_get_base_swreset() ((struct exynos5_swreset *)EXYNOS5_SWRESET)
#define samsung_get_base_sysreg() ((struct exynos5_sysreg *)EXYNOS5_SYSREG_BASE)
#define samsung_get_base_uart() ((struct exynos5_uart *)EXYNOS5_UART_BASE)
-#define samsung_get_base_usb_phy() ((struct exynos5_usb_phy *)EXYNOS5_USBPHY_BASE)
-#define samsung_get_base_usb_otg() ((struct exynos5_usb_otg *)EXYNOS5_USBOTG_BASE)
+#define samsung_get_base_usb_drd_phy() ((struct exynos5_usb_drd_phy *)EXYNOS5_USB_DRD_PHY_BASE)
+#define samsung_get_base_usb_host_phy() ((struct exynos5_usb_host_phy *)EXYNOS5_USB_HOST_PHY_BASE)
+#define samsung_get_base_usb_host_otg() ((struct exynos5_usb_host_otg *)EXYNOS5_USB_HOST_OTG_BASE)
#define samsung_get_base_watchdog() ((struct exynos5_watchdog *)EXYNOS5_WATCHDOG_BASE)
#define samsung_get_base_power() ((struct exynos5_power *)EXYNOS5_POWER_BASE)
#define samsung_get_base_i2s() ((struct exynos5_i2s *)EXYNOS5_I2S_BASE)
diff --git a/src/cpu/samsung/exynos5250/power.c b/src/cpu/samsung/exynos5250/power.c
index 029efc98fb..be055e35dd 100644
--- a/src/cpu/samsung/exynos5250/power.c
+++ b/src/cpu/samsung/exynos5250/power.c
@@ -24,7 +24,6 @@
#include <arch/hlt.h>
#include "cpu.h"
#include "power.h"
-#include "sysreg.h"
static void ps_hold_setup(void)
{
@@ -65,36 +64,6 @@ void power_enable_dp_phy(void)
setbits_le32(&power->dptx_phy_control, DPTX_PHY_ENABLE);
}
-void power_enable_usb_phy(void)
-{
- struct exynos5_sysreg *sysreg =
- samsung_get_base_sysreg();
- struct exynos5_power *power =
- samsung_get_base_power();
- unsigned int phy_cfg;
-
- /* Setting USB20PHY_CONFIG register to USB 2.0 HOST link */
- phy_cfg = readl(&sysreg->usb20_phy_cfg);
- if (phy_cfg & USB20_PHY_CFG_EN) {
- printk(BIOS_DEBUG, "USB 2.0 HOST link already selected\n");
- } else {
- phy_cfg |= USB20_PHY_CFG_EN;
- writel(phy_cfg, &sysreg->usb20_phy_cfg);
- }
-
- /* Enabling USBHOST_PHY */
- setbits_le32(&power->usb_host_phy_ctrl, POWER_USB_HOST_PHY_CTRL_EN);
-}
-
-void power_disable_usb_phy(void)
-{
- struct exynos5_power *power =
- samsung_get_base_power();
-
- /* Disabling USBHost_PHY */
- clrbits_le32(&power->usb_host_phy_ctrl, POWER_USB_HOST_PHY_CTRL_EN);
-}
-
void power_enable_hw_thermal_trip(void)
{
struct exynos5_power *power =
diff --git a/src/cpu/samsung/exynos5250/power.h b/src/cpu/samsung/exynos5250/power.h
index 5483d92de4..2b57e18ec4 100644
--- a/src/cpu/samsung/exynos5250/power.h
+++ b/src/cpu/samsung/exynos5250/power.h
@@ -73,9 +73,6 @@ void power_shutdown(void);
/* Enable DPTX PHY */
void power_enable_dp_phy(void);
-void power_enable_usb_phy(void);
-void power_disable_usb_phy(void);
-
/* Initialize the pmic voltages to power up the system */
int power_init(void);
diff --git a/src/cpu/samsung/exynos5250/usb.c b/src/cpu/samsung/exynos5250/usb.c
index 5084707e36..9e990a1137 100644
--- a/src/cpu/samsung/exynos5250/usb.c
+++ b/src/cpu/samsung/exynos5250/usb.c
@@ -18,75 +18,72 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <delay.h>
+#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
-#include <arch/io.h>
-#include <delay.h>
+#include "cpu.h"
#include "gpio.h"
#include "power.h"
-#include "cpu.h"
+#include "sysreg.h"
#include "usb.h"
-#include "chip.h"
-/* Enable VBUS */
-static int usb_vbus_init(int vbus_gpio)
-{
- /* Enable VBUS power switch */
- gpio_direction_output(GPIO_X11, 1);
- /* VBUS turn ON time */
- mdelay(3);
-
- return 0;
-}
-
-/* Setup the EHCI host controller. */
-
-static void setup_usb_phy(struct usb_phy *usb, int hsic_gpio)
+void setup_usb_host_phy(int hsic_gpio)
{
unsigned int hostphy_ctrl0;
+ struct exynos5_sysreg *sysreg = samsung_get_base_sysreg();
+ struct exynos5_power *power = samsung_get_base_power();
+ struct exynos5_usb_host_phy *phy = samsung_get_base_usb_host_phy();
- power_enable_usb_phy();
+ setbits_le32(&sysreg->usb20_phy_cfg, USB20_PHY_CFG_EN);
+ setbits_le32(&power->usb_host_phy_ctrl, POWER_USB_HOST_PHY_CTRL_EN);
- /* Setting up host and device simultaneously */
- hostphy_ctrl0 = readl(&usb->usbphyctrl0);
- hostphy_ctrl0 &= ~(HOST_CTRL0_FSEL_MASK | HOST_CTRL0_COMMONON_N |
+ printk(BIOS_DEBUG, "Powering up USB HOST PHY (%s HSIC)\n",
+ hsic_gpio ? "with" : "without");
+
+ hostphy_ctrl0 = readl(&phy->usbphyctrl0);
+ hostphy_ctrl0 &= ~(HOST_CTRL0_FSEL_MASK |
+ HOST_CTRL0_COMMONON_N |
/* HOST Phy setting */
HOST_CTRL0_PHYSWRST |
HOST_CTRL0_PHYSWRSTALL |
HOST_CTRL0_SIDDQ |
HOST_CTRL0_FORCESUSPEND |
HOST_CTRL0_FORCESLEEP);
- hostphy_ctrl0 |= ( /* Setting up the ref freq */
- CLK_24MHZ << 16 |
- /* HOST Phy setting */
- HOST_CTRL0_LINKSWRST |
- HOST_CTRL0_UTMISWRST);
- writel(hostphy_ctrl0, &usb->usbphyctrl0);
+ hostphy_ctrl0 |= (/* Setting up the ref freq */
+ CLK_24MHZ << 16 |
+ /* HOST Phy setting */
+ HOST_CTRL0_LINKSWRST |
+ HOST_CTRL0_UTMISWRST);
+ writel(hostphy_ctrl0, &phy->usbphyctrl0);
udelay(10);
- clrbits_le32(&usb->usbphyctrl0,
- HOST_CTRL0_LINKSWRST | HOST_CTRL0_UTMISWRST);
+ clrbits_le32(&phy->usbphyctrl0,
+ HOST_CTRL0_LINKSWRST |
+ HOST_CTRL0_UTMISWRST);
udelay(20);
/* EHCI Ctrl setting */
- setbits_le32(&usb->ehcictrl,
+ setbits_le32(&phy->ehcictrl,
EHCICTRL_ENAINCRXALIGN |
EHCICTRL_ENAINCR4 |
- EHCICTRL_ENAINCR8 | EHCICTRL_ENAINCR16);
+ EHCICTRL_ENAINCR8 |
+ EHCICTRL_ENAINCR16);
/* HSIC USB Hub initialization. */
- // FIXME board specific?
- gpio_direction_output(hsic_gpio, 0);
- udelay(100);
- gpio_direction_output(hsic_gpio, 1);
- udelay(5000);
+ if (hsic_gpio) {
+ gpio_direction_output(hsic_gpio, 0);
+ udelay(100);
+ gpio_direction_output(hsic_gpio, 1);
+ udelay(5000);
- clrbits_le32(&usb->hsicphyctrl1,
- HOST_CTRL0_SIDDQ |
- HOST_CTRL0_FORCESLEEP |
- HOST_CTRL0_FORCESUSPEND);
- setbits_le32(&usb->hsicphyctrl1, HOST_CTRL0_PHYSWRST);
- udelay(10);
- clrbits_le32(&usb->hsicphyctrl1, HOST_CTRL0_PHYSWRST);
+ clrbits_le32(&phy->hsicphyctrl1,
+ HOST_CTRL0_SIDDQ |
+ HOST_CTRL0_FORCESLEEP |
+ HOST_CTRL0_FORCESUSPEND);
+ setbits_le32(&phy->hsicphyctrl1, HOST_CTRL0_PHYSWRST);
+ udelay(10);
+ clrbits_le32(&phy->hsicphyctrl1, HOST_CTRL0_PHYSWRST);
+ }
/* At this point we need to wait for 50ms before talking to
* the USB controller (PHY clock and power setup time)
@@ -94,13 +91,3 @@ static void setup_usb_phy(struct usb_phy *usb, int hsic_gpio)
* will have passed.
*/
}
-
-void usb_init(device_t dev)
-{
- struct usb_phy *usb;
- struct cpu_samsung_exynos5250_config *conf = dev->chip_info;
-
- usb_vbus_init(conf->usb_vbus_gpio);
- usb = (struct usb_phy *) samsung_get_base_usb_phy();
- setup_usb_phy(usb, conf->usb_hsic_gpio);
-}
diff --git a/src/cpu/samsung/exynos5250/usb.h b/src/cpu/samsung/exynos5250/usb.h
index 45a7b53b0a..c963436602 100644
--- a/src/cpu/samsung/exynos5250/usb.h
+++ b/src/cpu/samsung/exynos5250/usb.h
@@ -40,7 +40,7 @@
#define EHCICTRL_ENAINCR16 (1 << 26)
/* Register map for PHY control */
-struct usb_phy {
+struct exynos5_usb_host_phy {
uint32_t usbphyctrl0;
uint32_t usbphytune0;
uint32_t reserved1[2];
@@ -57,6 +57,7 @@ struct usb_phy {
uint32_t usbotgtune;
};
-void usb_init(device_t dev);
+/* Leave hsic_gpio at 0 to not enable HSIC. */
+void setup_usb_host_phy(int hsic_gpio);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 13:08:32 +0000