If CONFIG_OF_CONTROL is defined, search device tree nodes that are compatible with "panasonic,uniphier-ehci" and take the base address from their "reg" property.
Signed-off-by: Masahiro Yamada yamada.m@jp.panasonic.com Cc: Marek Vasut marex@denx.de ---
arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c | 1 - arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c | 1 - arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c | 1 - arch/arm/dts/uniphier-ph1-ld4-ref.dts | 8 +++++ arch/arm/dts/uniphier-ph1-ld4.dtsi | 18 +++++++++++ arch/arm/dts/uniphier-ph1-pro4-ref.dts | 8 +++++ arch/arm/dts/uniphier-ph1-pro4.dtsi | 12 +++++++ arch/arm/dts/uniphier-ph1-sld8-ref.dts | 8 +++++ arch/arm/dts/uniphier-ph1-sld8.dtsi | 18 +++++++++++ drivers/usb/host/ehci-uniphier.c | 38 ++++++++++++++++++++++- 10 files changed, 109 insertions(+), 4 deletions(-)
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c index 62f5b01..9d51299 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c @@ -14,7 +14,6 @@ SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK) SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK) SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK)
-/* USB : TODO for Masahiro Yamada: move base address to Device Tree */ struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = { { .base = 0x5a800100, diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c index 1843d04..31ee2a2 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c @@ -14,7 +14,6 @@ SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK) SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK) SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK)
-/* USB : TODO for Masahiro Yamada: move base address to Device Tree */ struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = { { .base = 0x5a800100, diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c index 72ec599..ea0691d 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c @@ -14,7 +14,6 @@ SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK) SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK) SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK)
-/* USB : TODO for Masahiro Yamada: move base address to Device Tree */ struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = { { .base = 0x5a800100, diff --git a/arch/arm/dts/uniphier-ph1-ld4-ref.dts b/arch/arm/dts/uniphier-ph1-ld4-ref.dts index 49642e1..14b6091 100644 --- a/arch/arm/dts/uniphier-ph1-ld4-ref.dts +++ b/arch/arm/dts/uniphier-ph1-ld4-ref.dts @@ -32,3 +32,11 @@ &uart1 { status = "okay"; }; + +&usb0 { + status = "okay"; +}; + +&usb1 { + status = "okay"; +}; diff --git a/arch/arm/dts/uniphier-ph1-ld4.dtsi b/arch/arm/dts/uniphier-ph1-ld4.dtsi index c1c2c62..80074c5 100644 --- a/arch/arm/dts/uniphier-ph1-ld4.dtsi +++ b/arch/arm/dts/uniphier-ph1-ld4.dtsi @@ -56,5 +56,23 @@ reg = <0x54006b00 0x20>; clock-frequency = <36864000>; }; + + usb0: usb@5a800100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a800100 0x100>; + }; + + usb1: usb@5a810100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a810100 0x100>; + }; + + usb2: usb@5a820100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a820100 0x100>; + }; }; }; diff --git a/arch/arm/dts/uniphier-ph1-pro4-ref.dts b/arch/arm/dts/uniphier-ph1-pro4-ref.dts index cfed70b..e724d4e 100644 --- a/arch/arm/dts/uniphier-ph1-pro4-ref.dts +++ b/arch/arm/dts/uniphier-ph1-pro4-ref.dts @@ -32,3 +32,11 @@ &uart1 { status = "okay"; }; + +&usb0 { + status = "okay"; +}; + +&usb1 { + status = "okay"; +}; diff --git a/arch/arm/dts/uniphier-ph1-pro4.dtsi b/arch/arm/dts/uniphier-ph1-pro4.dtsi index b53fbc5..dd84269 100644 --- a/arch/arm/dts/uniphier-ph1-pro4.dtsi +++ b/arch/arm/dts/uniphier-ph1-pro4.dtsi @@ -62,5 +62,17 @@ reg = <0x54006b00 0x20>; clock-frequency = <73728000>; }; + + usb0: usb@5a800100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a800100 0x100>; + }; + + usb1: usb@5a810100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a810100 0x100>; + }; }; }; diff --git a/arch/arm/dts/uniphier-ph1-sld8-ref.dts b/arch/arm/dts/uniphier-ph1-sld8-ref.dts index d38df3c..27ddeda 100644 --- a/arch/arm/dts/uniphier-ph1-sld8-ref.dts +++ b/arch/arm/dts/uniphier-ph1-sld8-ref.dts @@ -32,3 +32,11 @@ &uart1 { status = "okay"; }; + +&usb0 { + status = "okay"; +}; + +&usb1 { + status = "okay"; +}; diff --git a/arch/arm/dts/uniphier-ph1-sld8.dtsi b/arch/arm/dts/uniphier-ph1-sld8.dtsi index 9a8da5e..43a39f5 100644 --- a/arch/arm/dts/uniphier-ph1-sld8.dtsi +++ b/arch/arm/dts/uniphier-ph1-sld8.dtsi @@ -56,5 +56,23 @@ reg = <0x54006b00 0x20>; clock-frequency = <80000000>; }; + + usb0: usb@5a800100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a800100 0x100>; + }; + + usb1: usb@5a810100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a810100 0x100>; + }; + + usb2: usb@5a820100 { + compatible = "panasonic,uniphier-ehci", "usb-ehci"; + status = "disabled"; + reg = <0x5a820100 0x100>; + }; }; }; diff --git a/drivers/usb/host/ehci-uniphier.c b/drivers/usb/host/ehci-uniphier.c index 77f6c9d..32a4375 100644 --- a/drivers/usb/host/ehci-uniphier.c +++ b/drivers/usb/host/ehci-uniphier.c @@ -6,10 +6,43 @@ */
#include <common.h> +#include <linux/err.h> #include <usb.h> #include <asm/arch/ehci-uniphier.h> #include "ehci.h"
+#ifdef CONFIG_OF_CONTROL +#include <fdtdec.h> +DECLARE_GLOBAL_DATA_PTR; + +#define FDT gd->fdt_blob +#define COMPAT "panasonic,uniphier-ehci" + +static int get_uniphier_ehci_base(int index, struct ehci_hccr **base) +{ + int offset; + + for (offset = fdt_node_offset_by_compatible(FDT, 0, COMPAT); + offset >= 0; + offset = fdt_node_offset_by_compatible(FDT, offset, COMPAT)) { + if (index == 0) { + *base = (struct ehci_hccr *) + fdtdec_get_addr(FDT, offset, "reg"); + return 0; + } + index--; + } + + return -ENODEV; /* not found */ +} +#else +static int get_uniphier_ehci_base(int index, struct ehci_hccr **base) +{ + *base = (struct ehci_hccr *)uniphier_ehci_platdata[index].base; + return 0; +} +#endif + /* * Create the appropriate control structures to manage * a new EHCI host controller. @@ -17,12 +50,15 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { + int ret; struct ehci_hccr *cr; struct ehci_hcor *or;
uniphier_ehci_reset(index, 0);
- cr = (struct ehci_hccr *)(uniphier_ehci_platdata[index].base); + ret = get_uniphier_ehci_base(index, &cr); + if (ret < 0) + return ret; or = (void *)cr + HC_LENGTH(ehci_readl(&cr->cr_capbase));
*hccr = cr;