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authorJelle van der Waa <jelle@vdwaa.nl>2016-02-09 23:59:33 +0100
committerHans de Goede <hdegoede@redhat.com>2016-02-23 20:59:10 +0100
commitdc44fd8ae4be0a88123a90ae2b3acdec45290ecf (patch)
tree931a7d47d5535c7078d9403ffa4c8210d1b31f91 /arch
parent0d8382ae70e7559eba873b4d8b2cf9a15aeccf20 (diff)
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sunxi: H3: Add support for the host usb-phys
Add support for phy 1-3. Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl> [hdegoede@redhat.com: use setclrbits_le32 instead of read-modify-write] Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/sunxi/usb_phy.c35
-rw-r--r--arch/arm/include/asm/arch-sunxi/clock_sun6i.h22
-rw-r--r--arch/arm/include/asm/arch-sunxi/cpu_sun4i.h8
3 files changed, 58 insertions, 7 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/usb_phy.c b/arch/arm/cpu/armv7/sunxi/usb_phy.c
index 19bb5a1..6ac96cc 100644
--- a/arch/arm/cpu/armv7/sunxi/usb_phy.c
+++ b/arch/arm/cpu/armv7/sunxi/usb_phy.c
@@ -31,6 +31,9 @@
#define SUNXI_EHCI_AHB_INCRX_ALIGN_EN (1 << 8)
#define SUNXI_EHCI_ULPI_BYPASS_EN (1 << 0)
+#define REG_PHY_UNK_H3 0x420
+#define REG_PMU_UNK_H3 0x810
+
static struct sunxi_usb_phy {
int usb_rst_mask;
int gpio_vbus;
@@ -39,19 +42,30 @@ static struct sunxi_usb_phy {
int id;
int init_count;
int power_on_count;
+ int base;
} sunxi_usb_phy[] = {
{
.usb_rst_mask = CCM_USB_CTRL_PHY0_RST | CCM_USB_CTRL_PHY0_CLK,
.id = 0,
+ .base = SUNXI_USB0_BASE,
},
{
.usb_rst_mask = CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK,
.id = 1,
+ .base = SUNXI_USB1_BASE,
},
#if CONFIG_SUNXI_USB_PHYS >= 3
{
.usb_rst_mask = CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK,
.id = 2,
+ .base = SUNXI_USB2_BASE,
+ },
+#endif
+#if CONFIG_SUNXI_USB_PHYS >= 4
+ {
+ .usb_rst_mask = CCM_USB_CTRL_PHY3_RST | CCM_USB_CTRL_PHY3_CLK,
+ .id = 3,
+ .base = SUNXI_USB3_BASE,
}
#endif
};
@@ -114,6 +128,15 @@ static void usb_phy_write(struct sunxi_usb_phy *phy, int addr,
}
}
+#if defined CONFIG_MACH_SUN8I_H3
+static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
+{
+ if (phy->id == 0)
+ clrbits_le32(SUNXI_USBPHY_BASE + REG_PHY_UNK_H3, 0x01);
+
+ clrbits_le32(phy->base + REG_PMU_UNK_H3, 0x02);
+}
+#else
static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
{
/* The following comments are machine
@@ -136,16 +159,14 @@ static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
return;
}
+#endif
-static void sunxi_usb_phy_passby(int index, int enable)
+static void sunxi_usb_phy_passby(struct sunxi_usb_phy *phy, int enable)
{
unsigned long bits = 0;
void *addr;
- if (index == 1)
- addr = (void *)SUNXI_USB1_BASE + SUNXI_USB_PMU_IRQ_ENABLE;
- else
- addr = (void *)SUNXI_USB2_BASE + SUNXI_USB_PMU_IRQ_ENABLE;
+ addr = (void *)phy->base + SUNXI_USB_PMU_IRQ_ENABLE;
bits = SUNXI_EHCI_AHB_ICHR8_EN |
SUNXI_EHCI_AHB_INCR4_BURST_EN |
@@ -181,7 +202,7 @@ void sunxi_usb_phy_init(int index)
sunxi_usb_phy_config(phy);
if (phy->id != 0)
- sunxi_usb_phy_passby(index, SUNXI_USB_PASSBY_EN);
+ sunxi_usb_phy_passby(phy, SUNXI_USB_PASSBY_EN);
}
void sunxi_usb_phy_exit(int index)
@@ -194,7 +215,7 @@ void sunxi_usb_phy_exit(int index)
return;
if (phy->id != 0)
- sunxi_usb_phy_passby(index, !SUNXI_USB_PASSBY_EN);
+ sunxi_usb_phy_passby(phy, !SUNXI_USB_PASSBY_EN);
clrbits_le32(&ccm->usb_clk_cfg, phy->usb_rst_mask);
}
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index 554d858..9de7754 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -229,8 +229,18 @@ struct sunxi_ccm_reg {
/* ahb_gate0 offsets */
#define AHB_GATE_OFFSET_USB_OHCI1 30
#define AHB_GATE_OFFSET_USB_OHCI0 29
+#ifdef CONFIG_MACH_SUN8I_H3
+/*
+ * These are EHCI1 - EHCI3 in the datasheet (EHCI0 is for the OTG) we call
+ * them 0 - 2 like they were called on older SoCs.
+ */
+#define AHB_GATE_OFFSET_USB_EHCI2 27
+#define AHB_GATE_OFFSET_USB_EHCI1 26
+#define AHB_GATE_OFFSET_USB_EHCI0 25
+#else
#define AHB_GATE_OFFSET_USB_EHCI1 27
#define AHB_GATE_OFFSET_USB_EHCI0 26
+#endif
#define AHB_GATE_OFFSET_USB0 24
#define AHB_GATE_OFFSET_MCTL 14
#define AHB_GATE_OFFSET_GMAC 17
@@ -263,13 +273,25 @@ struct sunxi_ccm_reg {
#define CCM_USB_CTRL_PHY0_RST (0x1 << 0)
#define CCM_USB_CTRL_PHY1_RST (0x1 << 1)
#define CCM_USB_CTRL_PHY2_RST (0x1 << 2)
+#define CCM_USB_CTRL_PHY3_RST (0x1 << 3)
/* There is no global phy clk gate on sun6i, define as 0 */
#define CCM_USB_CTRL_PHYGATE 0
#define CCM_USB_CTRL_PHY0_CLK (0x1 << 8)
#define CCM_USB_CTRL_PHY1_CLK (0x1 << 9)
#define CCM_USB_CTRL_PHY2_CLK (0x1 << 10)
+#define CCM_USB_CTRL_PHY3_CLK (0x1 << 11)
+#ifdef CONFIG_MACH_SUN8I_H3
+/*
+ * These are OHCI1 - OHCI3 in the datasheet (OHCI0 is for the OTG) we call
+ * them 0 - 2 like they were called on older SoCs.
+ */
+#define CCM_USB_CTRL_OHCI0_CLK (0x1 << 17)
+#define CCM_USB_CTRL_OHCI1_CLK (0x1 << 18)
+#define CCM_USB_CTRL_OHCI2_CLK (0x1 << 19)
+#else
#define CCM_USB_CTRL_OHCI0_CLK (0x1 << 16)
#define CCM_USB_CTRL_OHCI1_CLK (0x1 << 17)
+#endif
#define CCM_GMAC_CTRL_TX_CLK_SRC_MII 0x0
#define CCM_GMAC_CTRL_TX_CLK_SRC_EXT_RGMII 0x1
diff --git a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
index 0cdefdc..b6e11eb 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
@@ -52,10 +52,18 @@
#define SUNXI_USB2_BASE 0x01c1c000
#endif
#ifdef CONFIG_SUNXI_GEN_SUN6I
+#ifdef CONFIG_MACH_SUN8I_H3
+#define SUNXI_USBPHY_BASE 0x01c19000
+#define SUNXI_USB0_BASE 0x01c1a000
+#define SUNXI_USB1_BASE 0x01c1b000
+#define SUNXI_USB2_BASE 0x01c1c000
+#define SUNXI_USB3_BASE 0x01c1d000
+#else
#define SUNXI_USB0_BASE 0x01c19000
#define SUNXI_USB1_BASE 0x01c1a000
#define SUNXI_USB2_BASE 0x01c1b000
#endif
+#endif
#define SUNXI_CSI1_BASE 0x01c1d000
#define SUNXI_TZASC_BASE 0x01c1e000
#define SUNXI_SPI3_BASE 0x01c1f000