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usb: musb: add Kconfig options for each glue layer

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This will make things simpler when choosing which
glue layer to compile. It avoids a lot of magic
around the "default" Kconfig option and lets the
user choose what exactly s/he wants to compile.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2010-12-01 14:23:48 +02:00
parent 7421107b29
commit 7c92554642
8 changed files with 49 additions and 74 deletions
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5
arch/arm/mach-omap2/board-n8x0.c
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@ -46,8 +46,7 @@ static struct device *mmc_device;
#define TUSB6010_GPIO_ENABLE 0
#define TUSB6010_DMACHAN 0x3f
#if defined(CONFIG_USB_TUSB6010) || \
defined(CONFIG_USB_TUSB6010_MODULE)
#ifdef CONFIG_USB_MUSB_TUSB6010
/*
* Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
* 1.5 V voltage regulators of PM companion chip. Companion chip will then
@ -134,7 +133,7 @@ err:
static void __init n8x0_usb_init(void) {}
#endif /*CONFIG_USB_TUSB6010 */
#endif /*CONFIG_USB_MUSB_TUSB6010 */
static struct omap2_mcspi_device_config p54spi_mcspi_config = {

2
arch/arm/mach-omap2/usb-musb.c
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@ -31,7 +31,7 @@
#include <mach/am35xx.h>
#include <plat/usb.h>
#ifdef CONFIG_USB_MUSB_SOC
#if defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined (CONFIG_USB_MUSB_AM35X)
static struct resource musb_resources[] = {
[0] = { /* start and end set dynamically */

70
drivers/usb/musb/Kconfig
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@ -32,55 +32,35 @@ config USB_MUSB_HDRC
To compile this driver as a module, choose M here; the
module will be called "musb_hdrc".
config USB_MUSB_SOC
boolean
choice
prompt "Platform Glue Layer"
depends on USB_MUSB_HDRC
default y if ARCH_DAVINCI
default y if ARCH_OMAP2430
default y if ARCH_OMAP3
default y if ARCH_OMAP4
default y if (BF54x && !BF544)
default y if (BF52x && !BF522 && !BF523)
comment "DaVinci 35x and 644x USB support"
depends on USB_MUSB_HDRC && ARCH_DAVINCI_DMx
config USB_MUSB_DAVINCI
bool "DaVinci"
depends on ARCH_DAVINCI_DMx
comment "DA8xx/OMAP-L1x USB support"
depends on USB_MUSB_HDRC && ARCH_DAVINCI_DA8XX
config USB_MUSB_DA8XX
bool "DA8xx/OMAP-L1x"
depends on ARCH_DAVINCI_DA8XX
comment "OMAP 243x high speed USB support"
depends on USB_MUSB_HDRC && ARCH_OMAP2430
config USB_MUSB_TUSB6010
bool "TUSB6010"
depends on ARCH_OMAP
comment "OMAP 343x high speed USB support"
depends on USB_MUSB_HDRC && ARCH_OMAP3
comment "OMAP 44xx high speed USB support"
depends on USB_MUSB_HDRC && ARCH_OMAP4
comment "Blackfin high speed USB Support"
depends on USB_MUSB_HDRC && ((BF54x && !BF544) || (BF52x && !BF522 && !BF523))
config USB_MUSB_OMAP2PLUS
bool "OMAP2430 and onwards"
depends on ARCH_OMAP2PLUS
config USB_MUSB_AM35X
bool
depends on USB_MUSB_HDRC && !ARCH_OMAP2430 && !ARCH_OMAP4
select NOP_USB_XCEIV
default MACH_OMAP3517EVM
help
Select this option if your platform is based on AM35x. As
AM35x has an updated MUSB with CPPI4.1 DMA so this config
is introduced to differentiate musb ip between OMAP3x and
AM35x platforms.
bool "AM35x"
depends on ARCH_OMAP
config USB_TUSB6010
boolean "TUSB 6010 support"
depends on USB_MUSB_HDRC && !USB_MUSB_SOC
select NOP_USB_XCEIV
default y
help
The TUSB 6010 chip, from Texas Instruments, connects a discrete
HDRC core using a 16-bit parallel bus (NOR flash style) or VLYNQ
(a high speed serial link). It can use system-specific external
DMA controllers.
config USB_MUSB_BLACKFIN
bool "Blackfin"
depends on (BF54x && !BF544) || (BF52x && ! BF522 && !BF523)
endchoice
choice
prompt "Driver Mode"
@ -158,7 +138,7 @@ config USB_MUSB_HDRC_HCD
config MUSB_PIO_ONLY
bool 'Disable DMA (always use PIO)'
depends on USB_MUSB_HDRC
default USB_TUSB6010 || ARCH_DAVINCI_DA8XX || USB_MUSB_AM35X
default USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X
help
All data is copied between memory and FIFO by the CPU.
DMA controllers are ignored.
@ -171,21 +151,21 @@ config MUSB_PIO_ONLY
config USB_INVENTRA_DMA
bool
depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
default ARCH_OMAP2430 || ARCH_OMAP3 || BLACKFIN || ARCH_OMAP4
default USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
help
Enable DMA transfers using Mentor's engine.
config USB_TI_CPPI_DMA
bool
depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
default ARCH_DAVINCI
default USB_MUSB_DAVINCI
help
Enable DMA transfers when TI CPPI DMA is available.
config USB_TUSB_OMAP_DMA
bool
depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
depends on USB_TUSB6010
depends on USB_MUSB_TUSB6010
depends on ARCH_OMAP
default y
help

21
drivers/usb/musb/Makefile
View File

@ -8,22 +8,19 @@ obj-$(CONFIG_USB_MUSB_HDRC) += musb_hdrc.o
musb_hdrc-y := musb_core.o
musb_hdrc-$(CONFIG_ARCH_DAVINCI_DMx) += davinci.o
musb_hdrc-$(CONFIG_ARCH_DAVINCI_DA8XX) += da8xx.o
musb_hdrc-$(CONFIG_USB_TUSB6010) += tusb6010.o
musb_hdrc-$(CONFIG_ARCH_OMAP2430) += omap2430.o
ifeq ($(CONFIG_USB_MUSB_AM35X),y)
musb_hdrc-$(CONFIG_ARCH_OMAP3430) += am35x.o
else
musb_hdrc-$(CONFIG_ARCH_OMAP3430) += omap2430.o
endif
musb_hdrc-$(CONFIG_ARCH_OMAP4) += omap2430.o
musb_hdrc-$(CONFIG_BF54x) += blackfin.o
musb_hdrc-$(CONFIG_BF52x) += blackfin.o
musb_hdrc-$(CONFIG_USB_GADGET_MUSB_HDRC) += musb_gadget_ep0.o musb_gadget.o
musb_hdrc-$(CONFIG_USB_MUSB_HDRC_HCD) += musb_virthub.o musb_host.o
musb_hdrc-$(CONFIG_DEBUG_FS) += musb_debugfs.o
# Hardware Glue Layer
musb_hdrc-$(CONFIG_USB_MUSB_DAVINCI) += davinci.o
musb_hdrc-$(CONFIG_USB_MUSB_DA8XX) += da8xx.o
musb_hdrc-$(CONFIG_USB_MUSB_TUSB6010) += tusb6010.o
musb_hdrc-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o
musb_hdrc-$(CONFIG_USB_MUSB_AM35X) += am35x.o
musb_hdrc-$(CONFIG_USB_MUSB_BLACKFIN) += blackfin.o
# the kconfig must guarantee that only one of the
# possible I/O schemes will be enabled at a time ...
# PIO only, or DMA (several potential schemes).

9
drivers/usb/musb/musb_core.c
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@ -230,7 +230,7 @@ static struct otg_io_access_ops musb_ulpi_access = {
/*-------------------------------------------------------------------------*/
#if !defined(CONFIG_USB_TUSB6010) && !defined(CONFIG_BLACKFIN)
#if !defined(CONFIG_USB_MUSB_TUSB6010) && !defined(CONFIG_USB_MUSB_BLACKFIN)
/*
* Load an endpoint's FIFO
@ -1068,9 +1068,8 @@ static void musb_shutdown(struct platform_device *pdev)
* We don't currently use dynamic fifo setup capability to do anything
* more than selecting one of a bunch of predefined configurations.
*/
#if defined(CONFIG_USB_TUSB6010) || \
defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) \
|| defined(CONFIG_ARCH_OMAP4)
#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_OMAP2PLUS) \
|| defined(CONFIG_USB_MUSB_AM35X)
static ushort __initdata fifo_mode = 4;
#else
static ushort __initdata fifo_mode = 2;
@ -1495,7 +1494,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
struct musb_hw_ep *hw_ep = musb->endpoints + i;
hw_ep->fifo = MUSB_FIFO_OFFSET(i) + mbase;
#ifdef CONFIG_USB_TUSB6010
#ifdef CONFIG_USB_MUSB_TUSB6010
hw_ep->fifo_async = musb->async + 0x400 + MUSB_FIFO_OFFSET(i);
hw_ep->fifo_sync = musb->sync + 0x400 + MUSB_FIFO_OFFSET(i);
hw_ep->fifo_sync_va =

8
drivers/usb/musb/musb_core.h
View File

@ -222,7 +222,7 @@ enum musb_g_ep0_state {
#endif
/* TUSB mapping: "flat" plus ep0 special cases */
#if defined(CONFIG_USB_TUSB6010)
#if defined(CONFIG_USB_MUSB_TUSB6010)
#define musb_ep_select(_mbase, _epnum) \
musb_writeb((_mbase), MUSB_INDEX, (_epnum))
#define MUSB_EP_OFFSET MUSB_TUSB_OFFSET
@ -293,7 +293,7 @@ struct musb_hw_ep {
void __iomem *fifo;
void __iomem *regs;
#ifdef CONFIG_USB_TUSB6010
#ifdef CONFIG_USB_MUSB_TUSB6010
void __iomem *conf;
#endif
@ -310,7 +310,7 @@ struct musb_hw_ep {
struct dma_channel *tx_channel;
struct dma_channel *rx_channel;
#ifdef CONFIG_USB_TUSB6010
#ifdef CONFIG_USB_MUSB_TUSB6010
/* TUSB has "asynchronous" and "synchronous" dma modes */
dma_addr_t fifo_async;
dma_addr_t fifo_sync;
@ -432,7 +432,7 @@ struct musb {
void __iomem *ctrl_base;
void __iomem *mregs;
#ifdef CONFIG_USB_TUSB6010
#ifdef CONFIG_USB_MUSB_TUSB6010
dma_addr_t async;
dma_addr_t sync;
void __iomem *sync_va;

4
drivers/usb/musb/musb_io.h
View File

@ -74,7 +74,7 @@ static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
{ __raw_writel(data, addr + offset); }
#ifdef CONFIG_USB_TUSB6010
#ifdef CONFIG_USB_MUSB_TUSB6010
/*
* TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
@ -114,7 +114,7 @@ static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
{ __raw_writeb(data, addr + offset); }
#endif /* CONFIG_USB_TUSB6010 */
#endif /* CONFIG_USB_MUSB_TUSB6010 */
#else

4
drivers/usb/musb/musb_regs.h
View File

@ -234,7 +234,7 @@
#define MUSB_TESTMODE 0x0F /* 8 bit */
/* Get offset for a given FIFO from musb->mregs */
#ifdef CONFIG_USB_TUSB6010
#ifdef CONFIG_USB_MUSB_TUSB6010
#define MUSB_FIFO_OFFSET(epnum) (0x200 + ((epnum) * 0x20))
#else
#define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
@ -295,7 +295,7 @@
#define MUSB_FLAT_OFFSET(_epnum, _offset) \
(0x100 + (0x10*(_epnum)) + (_offset))
#ifdef CONFIG_USB_TUSB6010
#ifdef CONFIG_USB_MUSB_TUSB6010
/* TUSB6010 EP0 configuration register is special */
#define MUSB_TUSB_OFFSET(_epnum, _offset) \
(0x10 + _offset)