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sun6i: ehci: Add sun6i ehci support

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Add support for the 2 ehci controllers found on the sun6i (A31) soc.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Acked-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Hans de Goede 2014-11-07 14:51:12 +01:00
parent 115200ceb0
commit 76946dfe69
7 changed files with 61 additions and 16 deletions
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3
arch/arm/include/asm/arch-sunxi/clock_sun4i.h
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@ -262,5 +262,8 @@ struct sunxi_ccm_reg {
#define CCM_USB_CTRL_PHY1_RST (0x1 << 1)
#define CCM_USB_CTRL_PHY2_RST (0x1 << 2)
#define CCM_USB_CTRL_PHYGATE (0x1 << 8)
/* These 2 are sun6i only, define them as 0 on sun4i */
#define CCM_USB_CTRL_PHY1_CLK 0
#define CCM_USB_CTRL_PHY2_CLK 0
#endif /* _SUNXI_CLOCK_SUN4I_H */

11
arch/arm/include/asm/arch-sunxi/clock_sun6i.h
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@ -193,6 +193,10 @@ struct sunxi_ccm_reg {
#define AXI_GATE_OFFSET_DRAM 0
#define AHB_GATE_OFFSET_USB_OHCI1 30
#define AHB_GATE_OFFSET_USB_OHCI0 29
#define AHB_GATE_OFFSET_USB_EHCI1 27
#define AHB_GATE_OFFSET_USB_EHCI0 26
#define AHB_GATE_OFFSET_MCTL 14
#define AHB_GATE_OFFSET_MMC3 11
#define AHB_GATE_OFFSET_MMC2 10
@ -205,6 +209,13 @@ struct sunxi_ccm_reg {
#define CCM_MMC_CTRL_ENABLE (0x1 << 31)
#define CCM_USB_CTRL_PHY1_RST (0x1 << 1)
#define CCM_USB_CTRL_PHY2_RST (0x1 << 2)
/* There is no global phy clk gate on sun6i, define as 0 */
#define CCM_USB_CTRL_PHYGATE 0
#define CCM_USB_CTRL_PHY1_CLK (0x1 << 9)
#define CCM_USB_CTRL_PHY2_CLK (0x1 << 10)
#define MDFS_CLK_DEFAULT 0x81000002 /* PLL6 / 3 */
#define CCM_DRAMCLK_CFG_DIV0(x) ((x - 1) << 8)

8
arch/arm/include/asm/arch-sunxi/cpu.h
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@ -37,16 +37,24 @@
#define SUNXI_MMC1_BASE 0x01c10000
#define SUNXI_MMC2_BASE 0x01c11000
#define SUNXI_MMC3_BASE 0x01c12000
#ifndef CONFIG_MACH_SUN6I
#define SUNXI_USB0_BASE 0x01c13000
#define SUNXI_USB1_BASE 0x01c14000
#endif
#define SUNXI_SS_BASE 0x01c15000
#define SUNXI_HDMI_BASE 0x01c16000
#define SUNXI_SPI2_BASE 0x01c17000
#define SUNXI_SATA_BASE 0x01c18000
#ifndef CONFIG_MACH_SUN6I
#define SUNXI_PATA_BASE 0x01c19000
#define SUNXI_ACE_BASE 0x01c1a000
#define SUNXI_TVE1_BASE 0x01c1b000
#define SUNXI_USB2_BASE 0x01c1c000
#else
#define SUNXI_USB0_BASE 0x01c19000
#define SUNXI_USB1_BASE 0x01c1a000
#define SUNXI_USB2_BASE 0x01c1b000
#endif
#define SUNXI_CSI1_BASE 0x01c1d000
#define SUNXI_TZASC_BASE 0x01c1e000
#define SUNXI_SPI3_BASE 0x01c1f000

2
board/sunxi/Kconfig
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@ -200,6 +200,7 @@ config MMC_SUNXI_SLOT_EXTRA
config USB1_VBUS_PIN
string "Vbus enable pin for usb1 (ehci0)"
default "PH6" if MACH_SUN4I || MACH_SUN7I
default "PH27" if MACH_SUN6I
---help---
Set the Vbus enable pin for usb1 (ehci0, usb0 is the otg). This takes
a string in the format understood by sunxi_name_to_gpio, e.g.
@ -208,6 +209,7 @@ config USB1_VBUS_PIN
config USB2_VBUS_PIN
string "Vbus enable pin for usb2 (ehci1)"
default "PH3" if MACH_SUN4I || MACH_SUN7I
default "PH24" if MACH_SUN6I
---help---
See USB1_VBUS_PIN help text.

3
configs/Mele_M9_defconfig
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@ -1,4 +1,5 @@
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="USB_EHCI"
CONFIG_FDTFILE="sun6i-a31-m9.dtb"
+S:CONFIG_ARM=y
+S:CONFIG_ARCH_SUNXI=y
@ -13,3 +14,5 @@ CONFIG_FDTFILE="sun6i-a31-m9.dtb"
# HDMI power ?
+S:CONFIG_AXP221_ALDO2_VOLT=1800
+S:CONFIG_AXP221_ALDO3_VOLT=3000
# No Vbus gpio for usb1
+S:CONFIG_USB1_VBUS_PIN=""

45
drivers/usb/host/ehci-sunxi.c
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@ -10,16 +10,14 @@
*/
#include <asm/arch/clock.h>
#include <asm/arch/cpu.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <common.h>
#include "ehci.h"
#define SUNXI_USB1_IO_BASE 0x01c14000
#define SUNXI_USB2_IO_BASE 0x01c1c000
#define SUNXI_USB_PMU_IRQ_ENABLE 0x800
#define SUNXI_USB_CSR 0x01c13404
#define SUNXI_USB_CSR 0x404
#define SUNXI_USB_PASSBY_EN 1
#define SUNXI_EHCI_AHB_ICHR8_EN (1 << 10)
@ -32,23 +30,28 @@ static struct sunxi_ehci_hcd {
int usb_rst_mask;
int ahb_clk_mask;
int gpio_vbus;
void *csr;
int irq;
int id;
} sunxi_echi_hcd[] = {
{
.usb_rst_mask = CCM_USB_CTRL_PHY1_RST,
.usb_rst_mask = CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK,
.ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
.csr = (void *)SUNXI_USB_CSR,
#ifndef CONFIG_MACH_SUN6I
.irq = 39,
#else
.irq = 72,
#endif
.id = 1,
},
#if (CONFIG_USB_MAX_CONTROLLER_COUNT > 1)
{
.usb_rst_mask = CCM_USB_CTRL_PHY2_RST,
.usb_rst_mask = CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK,
.ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI1,
.csr = (void *)SUNXI_USB_CSR,
#ifndef CONFIG_MACH_SUN6I
.irq = 40,
#else
.irq = 74,
#endif
.id = 2,
}
#endif
@ -58,13 +61,17 @@ static int enabled_hcd_count;
static void *get_io_base(int hcd_id)
{
if (hcd_id == 1)
return (void *)SUNXI_USB1_IO_BASE;
else if (hcd_id == 2)
return (void *)SUNXI_USB2_IO_BASE;
else
switch (hcd_id) {
case 0:
return (void *)SUNXI_USB0_BASE;
case 1:
return (void *)SUNXI_USB1_BASE;
case 2:
return (void *)SUNXI_USB2_BASE;
default:
return NULL;
}
}
static int get_vbus_gpio(int hcd_id)
{
@ -79,7 +86,7 @@ static void usb_phy_write(struct sunxi_ehci_hcd *sunxi_ehci, int addr,
int data, int len)
{
int j = 0, usbc_bit = 0;
void *dest = sunxi_ehci->csr;
void *dest = get_io_base(0) + SUNXI_USB_CSR;
usbc_bit = 1 << (sunxi_ehci->id * 2);
for (j = 0; j < len; j++) {
@ -112,7 +119,7 @@ static void sunxi_usb_phy_init(struct sunxi_ehci_hcd *sunxi_ehci)
usb_phy_write(sunxi_ehci, 0x20, 0x14, 5);
/* threshold adjustment disconnect */
#ifdef CONFIG_MACH_SUN4I
#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN6I
usb_phy_write(sunxi_ehci, 0x2a, 3, 2);
#else
usb_phy_write(sunxi_ehci, 0x2a, 2, 2);
@ -145,6 +152,9 @@ static void sunxi_ehci_enable(struct sunxi_ehci_hcd *sunxi_ehci)
setbits_le32(&ccm->usb_clk_cfg, sunxi_ehci->usb_rst_mask);
setbits_le32(&ccm->ahb_gate0, sunxi_ehci->ahb_clk_mask);
#ifdef CONFIG_MACH_SUN6I
setbits_le32(&ccm->ahb_reset0_cfg, sunxi_ehci->ahb_clk_mask);
#endif
sunxi_usb_phy_init(sunxi_ehci);
@ -163,6 +173,9 @@ static void sunxi_ehci_disable(struct sunxi_ehci_hcd *sunxi_ehci)
sunxi_usb_passby(sunxi_ehci, !SUNXI_USB_PASSBY_EN);
#ifdef CONFIG_MACH_SUN6I
clrbits_le32(&ccm->ahb_reset0_cfg, sunxi_ehci->ahb_clk_mask);
#endif
clrbits_le32(&ccm->ahb_gate0, sunxi_ehci->ahb_clk_mask);
clrbits_le32(&ccm->usb_clk_cfg, sunxi_ehci->usb_rst_mask);
}

5
include/configs/sun6i.h
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@ -18,6 +18,11 @@
#define CONFIG_SYS_PROMPT "sun6i# "
#ifdef CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_SUNXI
#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
#endif
/*
* Include common sunxi configuration where most the settings are
*/