openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: mx25: dynamically allocate mxc-ehci devices 

According to the reference manual of the i.MX25 the host controller uses an
offset of 0x200 not 0x400 as was specified in the resources for mxc_usbh2.

Needs-Testing: yes
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-11-10 21:27:55 +01:00
parent e9f0bafb4f
commit 2c20b9f19a
9 changed files with 34 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/mach-mx25/Kconfig
View File

@ -5,16 +5,18 @@ comment "MX25 platforms:"
config MACH_MX25_3DS
bool "Support MX25PDK (3DS) Platform"
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_EHCI
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_ESDHC
config MACH_EUKREA_CPUIMX25
bool "Support Eukrea CPUIMX25 Platform"
select IMX_HAVE_PLATFORM_ESDHC
select IMX_HAVE_PLATFORM_FLEXCAN
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_EHCI
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_FLEXCAN
select IMX_HAVE_PLATFORM_ESDHC
select MXC_ULPI if USB_ULPI
choice

7
arch/arm/mach-mx25/devices-imx25.h
View File

@ -39,6 +39,13 @@ extern const struct imx_imx_uart_1irq_data imx25_imx_uart_data[] __initconst;
#define imx25_add_imx_uart3(pdata) imx25_add_imx_uart(3, pdata)
#define imx25_add_imx_uart4(pdata) imx25_add_imx_uart(4, pdata)
extern const struct imx_mxc_ehci_data imx25_mxc_ehci_otg_data __initconst;
#define imx25_add_mxc_ehci_otg(pdata) \
imx_add_mxc_ehci(&imx25_mxc_ehci_otg_data, pdata)
extern const struct imx_mxc_ehci_data imx25_mxc_ehci_hs_data __initconst;
#define imx25_add_mxc_ehci_hs(pdata) \
imx_add_mxc_ehci(&imx25_mxc_ehci_hs_data, pdata)
extern const struct imx_mxc_nand_data imx25_mxc_nand_data __initconst;
#define imx25_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx25_mxc_nand_data, pdata)

44
arch/arm/mach-mx25/devices.c
View File

@ -26,27 +26,16 @@ static u64 otg_dmamask = DMA_BIT_MASK(32);
static struct resource mxc_otg_resources[] = {
{
.start = MX25_OTG_BASE_ADDR,
.end = MX25_OTG_BASE_ADDR + 0x1ff,
.start = MX25_USB_OTG_BASE_ADDR,
.end = MX25_USB_OTG_BASE_ADDR + 0x1ff,
.flags = IORESOURCE_MEM,
}, {
.start = 37,
.end = 37,
.start = MX25_INT_USB_OTG,
.end = MX25_INT_USB_OTG,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_otg = {
.name = "mxc-ehci",
.id = 0,
.dev = {
.coherent_dma_mask = 0xffffffff,
.dma_mask = &otg_dmamask,
},
.resource = mxc_otg_resources,
.num_resources = ARRAY_SIZE(mxc_otg_resources),
};
/* OTG gadget device */
struct platform_device otg_udc_device = {
.name = "fsl-usb2-udc",
@ -59,31 +48,6 @@ struct platform_device otg_udc_device = {
.num_resources = ARRAY_SIZE(mxc_otg_resources),
};
static u64 usbh2_dmamask = DMA_BIT_MASK(32);
static struct resource mxc_usbh2_resources[] = {
{
.start = MX25_OTG_BASE_ADDR + 0x400,
.end = MX25_OTG_BASE_ADDR + 0x5ff,
.flags = IORESOURCE_MEM,
}, {
.start = 35,
.end = 35,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_usbh2 = {
.name = "mxc-ehci",
.id = 1,
.dev = {
.coherent_dma_mask = 0xffffffff,
.dma_mask = &usbh2_dmamask,
},
.resource = mxc_usbh2_resources,
.num_resources = ARRAY_SIZE(mxc_usbh2_resources),
};
static struct resource mxc_pwm_resources0[] = {
{
.start = 0x53fe0000,

2
arch/arm/mach-mx25/devices.h
View File

@ -1,6 +1,4 @@
extern struct platform_device mxc_otg;
extern struct platform_device otg_udc_device;
extern struct platform_device mxc_usbh2;
extern struct platform_device mxc_pwm_device0;
extern struct platform_device mxc_pwm_device1;
extern struct platform_device mxc_pwm_device2;

9
arch/arm/mach-mx25/mach-cpuimx25.c
View File

@ -39,7 +39,6 @@
#include <mach/mx25.h>
#include <mach/mxc_nand.h>
#include <mach/imxfb.h>
#include <mach/mxc_ehci.h>
#include <mach/iomux-mx25.h>
#include "devices-imx25.h"
@ -87,12 +86,12 @@ static struct i2c_board_info eukrea_cpuimx25_i2c_devices[] = {
},
};
static struct mxc_usbh_platform_data otg_pdata = {
static const struct mxc_usbh_platform_data otg_pdata __initconst = {
.portsc = MXC_EHCI_MODE_UTMI,
.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
};
static struct mxc_usbh_platform_data usbh2_pdata = {
static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
.portsc = MXC_EHCI_MODE_SERIAL,
.flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
MXC_EHCI_IPPUE_DOWN,
@ -134,11 +133,11 @@ static void __init eukrea_cpuimx25_init(void)
imx25_add_imx_i2c0(&eukrea_cpuimx25_i2c0_data);
if (otg_mode_host)
mxc_register_device(&mxc_otg, &otg_pdata);
imx25_add_mxc_ehci_otg(&otg_pdata);
else
mxc_register_device(&otg_udc_device, &otg_device_pdata);
mxc_register_device(&mxc_usbh2, &usbh2_pdata);
imx25_add_mxc_ehci_hs(&usbh2_pdata);
#ifdef CONFIG_MACH_EUKREA_MBIMXSD25_BASEBOARD
eukrea_mbimxsd25_baseboard_init();

2
arch/arm/mach-mx25/mach-mx25_3ds.c
View File

@ -192,7 +192,7 @@ static void __init mx25pdk_init(void)
ARRAY_SIZE(mx25pdk_pads));
imx25_add_imx_uart0(&uart_pdata);
mxc_register_device(&mxc_usbh2, NULL);
imx25_add_mxc_ehci_hs(NULL);
imx25_add_mxc_nand(&mx25pdk_nand_board_info);
mxc_register_device(&mx25_rtc_device, NULL);
mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata);

7
arch/arm/plat-mxc/devices/platform-mxc-ehci.c
View File

@ -16,6 +16,13 @@
.irq = soc ## _INT_USB_ ## hs, \
}
#ifdef CONFIG_ARCH_MX25
const struct imx_mxc_ehci_data imx25_mxc_ehci_otg_data __initconst =
imx_mxc_ehci_data_entry_single(MX25, 0, OTG);
const struct imx_mxc_ehci_data imx25_mxc_ehci_hs_data __initconst =
imx_mxc_ehci_data_entry_single(MX25, 1, HS);
#endif /* ifdef CONFIG_ARCH_MX25 */
#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_ehci_data imx27_mxc_ehci_otg_data __initconst =
imx_mxc_ehci_data_entry_single(MX27, 0, OTG);

4
arch/arm/plat-mxc/ehci.c
View File

@ -71,7 +71,7 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
unsigned int v;
#if defined(CONFIG_ARCH_MX25)
if (cpu_is_mx25()) {
v = readl(MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
v = readl(MX25_IO_ADDRESS(MX25_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
switch (port) {
@ -108,7 +108,7 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
return -EINVAL;
}
writel(v, MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
writel(v, MX25_IO_ADDRESS(MX25_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
return 0;
}

6
arch/arm/plat-mxc/include/mach/mx25.h
View File

@ -43,7 +43,9 @@
#define MX25_LCDC_BASE_ADDR 0x53fbc000
#define MX25_KPP_BASE_ADDR 0x43fa8000
#define MX25_SDMA_BASE_ADDR 0x53fd4000
#define MX25_OTG_BASE_ADDR 0x53ff4000
#define MX25_USB_BASE_ADDR 0x53ff4000
#define MX25_USB_OTG_BASE_ADDR (MX25_USB_BASE_ADDR + 0x0000)
#define MX25_USB_HS_BASE_ADDR (MX25_USB_BASE_ADDR + 0x0200)
#define MX25_CSI_BASE_ADDR 0x53ff8000
#define MX25_IO_P2V(x) IMX_IO_P2V(x)
@ -67,6 +69,8 @@
#define MX25_INT_UART2 32
#define MX25_INT_NFC 33
#define MX25_INT_SDMA 34
#define MX25_INT_USB_HS 35
#define MX25_INT_USB_OTG 37
#define MX25_INT_LCDC 39
#define MX25_INT_UART5 40
#define MX25_INT_CAN1 43