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Subject[PATCH 38/47] usb: musb: remove blackfin port
Date
The blackfin architecture is getting removed, so we can clean up
all the special cases in the musb driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/usb/musb/Kconfig | 10 +-
drivers/usb/musb/Makefile | 1 -
drivers/usb/musb/blackfin.c | 623 ----------------------------------------
drivers/usb/musb/blackfin.h | 81 ------
drivers/usb/musb/musb_core.c | 5 -
drivers/usb/musb/musb_core.h | 30 --
drivers/usb/musb/musb_debugfs.c | 2 -
drivers/usb/musb/musb_dma.h | 11 -
drivers/usb/musb/musb_gadget.c | 35 ---
drivers/usb/musb/musb_regs.h | 182 ------------
drivers/usb/musb/musbhsdma.c | 5 -
drivers/usb/musb/musbhsdma.h | 64 -----
include/linux/usb/musb.h | 7 -
13 files changed, 1 insertion(+), 1055 deletions(-)
delete mode 100644 drivers/usb/musb/blackfin.c
delete mode 100644 drivers/usb/musb/blackfin.h

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 5506a9c03c1f..490990e8b015 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -18,9 +18,6 @@ config USB_MUSB_HDRC
Texas Instruments families using this IP include DaVinci
(35x, 644x ...), OMAP 243x, OMAP 3, and TUSB 6010.

- Analog Devices parts using this IP include Blackfin BF54x,
- BF525 and BF527.
-
Allwinner SoCs using this IP include A10, A13, A20, ...

If you do not know what this is, please say N.
@@ -107,11 +104,6 @@ config USB_MUSB_DSPS
depends on ARCH_OMAP2PLUS || COMPILE_TEST
depends on OF_IRQ

-config USB_MUSB_BLACKFIN
- tristate "Blackfin"
- depends on (BF54x && !BF544) || (BF52x && ! BF522 && !BF523)
- depends on NOP_USB_XCEIV
-
config USB_MUSB_UX500
tristate "Ux500 platforms"
depends on ARCH_U8500 || COMPILE_TEST
@@ -149,7 +141,7 @@ config USB_UX500_DMA

config USB_INVENTRA_DMA
bool 'Inventra'
- depends on USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
+ depends on USB_MUSB_OMAP2PLUS
help
Enable DMA transfers using Mentor's engine.

diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile
index 79d4d5439164..3a88c79e650c 100644
--- a/drivers/usb/musb/Makefile
+++ b/drivers/usb/musb/Makefile
@@ -21,7 +21,6 @@ obj-$(CONFIG_USB_MUSB_DSPS) += musb_dsps.o
obj-$(CONFIG_USB_MUSB_TUSB6010) += tusb6010.o
obj-$(CONFIG_USB_MUSB_DAVINCI) += davinci.o
obj-$(CONFIG_USB_MUSB_DA8XX) += da8xx.o
-obj-$(CONFIG_USB_MUSB_BLACKFIN) += blackfin.o
obj-$(CONFIG_USB_MUSB_UX500) += ux500.o
obj-$(CONFIG_USB_MUSB_JZ4740) += jz4740.o
obj-$(CONFIG_USB_MUSB_SUNXI) += sunxi.o
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
deleted file mode 100644
index 0a98dcd66d19..000000000000
diff --git a/drivers/usb/musb/blackfin.h b/drivers/usb/musb/blackfin.h
deleted file mode 100644
index 5b149915b0f8..000000000000
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index c344ef4e5355..72bb03e7b751 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -126,7 +126,6 @@ EXPORT_SYMBOL_GPL(musb_get_mode);

/*-------------------------------------------------------------------------*/

-#ifndef CONFIG_BLACKFIN
static int musb_ulpi_read(struct usb_phy *phy, u32 reg)
{
void __iomem *addr = phy->io_priv;
@@ -208,10 +207,6 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 val, u32 reg)

return ret;
}
-#else
-#define musb_ulpi_read NULL
-#define musb_ulpi_write NULL
-#endif

static struct usb_phy_io_ops musb_ulpi_access = {
.read = musb_ulpi_read,
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 385841ee6f46..ac675b1a34c4 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -467,34 +467,6 @@ static inline char *musb_ep_xfertype_string(u8 type)
return s;
}

-#ifdef CONFIG_BLACKFIN
-static inline int musb_read_fifosize(struct musb *musb,
- struct musb_hw_ep *hw_ep, u8 epnum)
-{
- musb->nr_endpoints++;
- musb->epmask |= (1 << epnum);
-
- if (epnum < 5) {
- hw_ep->max_packet_sz_tx = 128;
- hw_ep->max_packet_sz_rx = 128;
- } else {
- hw_ep->max_packet_sz_tx = 1024;
- hw_ep->max_packet_sz_rx = 1024;
- }
- hw_ep->is_shared_fifo = false;
-
- return 0;
-}
-
-static inline void musb_configure_ep0(struct musb *musb)
-{
- musb->endpoints[0].max_packet_sz_tx = MUSB_EP0_FIFOSIZE;
- musb->endpoints[0].max_packet_sz_rx = MUSB_EP0_FIFOSIZE;
- musb->endpoints[0].is_shared_fifo = true;
-}
-
-#else
-
static inline int musb_read_fifosize(struct musb *musb,
struct musb_hw_ep *hw_ep, u8 epnum)
{
@@ -531,8 +503,6 @@ static inline void musb_configure_ep0(struct musb *musb)
musb->endpoints[0].max_packet_sz_rx = MUSB_EP0_FIFOSIZE;
musb->endpoints[0].is_shared_fifo = true;
}
-#endif /* CONFIG_BLACKFIN */
-

/***************************** Glue it together *****************************/

diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index 7cf5a1bbdaff..7dac456f7ebc 100644
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -70,7 +70,6 @@ static const struct musb_register_map musb_regmap[] = {
{ "DMA_CNTLch7", 0x274, 16 },
{ "DMA_ADDRch7", 0x278, 32 },
{ "DMA_COUNTch7", 0x27C, 32 },
-#ifndef CONFIG_BLACKFIN
{ "ConfigData", MUSB_CONFIGDATA,8 },
{ "BabbleCtl", MUSB_BABBLE_CTL,8 },
{ "TxFIFOsz", MUSB_TXFIFOSZ, 8 },
@@ -79,7 +78,6 @@ static const struct musb_register_map musb_regmap[] = {
{ "RxFIFOadd", MUSB_RXFIFOADD, 16 },
{ "EPInfo", MUSB_EPINFO, 8 },
{ "RAMInfo", MUSB_RAMINFO, 8 },
-#endif
{ } /* Terminating Entry */
};

diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h
index a4241f4d430e..0fc8cd0c2a5c 100644
--- a/drivers/usb/musb/musb_dma.h
+++ b/drivers/usb/musb/musb_dma.h
@@ -80,17 +80,6 @@ struct musb_hw_ep;
#define is_cppi_enabled(musb) 0
#endif

-/* Anomaly 05000456 - USB Receive Interrupt Is Not Generated in DMA Mode 1
- * Only allow DMA mode 1 to be used when the USB will actually generate the
- * interrupts we expect.
- */
-#ifdef CONFIG_BLACKFIN
-# undef USE_MODE1
-# if !ANOMALY_05000456
-# define USE_MODE1
-# endif
-#endif
-
/*
* DMA channel status ... updated by the dma controller driver whenever that
* status changes, and protected by the overall controller spinlock.
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 293e5b8da565..58a41b54763b 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1680,40 +1680,6 @@ static int musb_gadget_pullup(struct usb_gadget *gadget, int is_on)
return 0;
}

-#ifdef CONFIG_BLACKFIN
-static struct usb_ep *musb_match_ep(struct usb_gadget *g,
- struct usb_endpoint_descriptor *desc,
- struct usb_ss_ep_comp_descriptor *ep_comp)
-{
- struct usb_ep *ep = NULL;
-
- switch (usb_endpoint_type(desc)) {
- case USB_ENDPOINT_XFER_ISOC:
- case USB_ENDPOINT_XFER_BULK:
- if (usb_endpoint_dir_in(desc))
- ep = gadget_find_ep_by_name(g, "ep5in");
- else
- ep = gadget_find_ep_by_name(g, "ep6out");
- break;
- case USB_ENDPOINT_XFER_INT:
- if (usb_endpoint_dir_in(desc))
- ep = gadget_find_ep_by_name(g, "ep1in");
- else
- ep = gadget_find_ep_by_name(g, "ep2out");
- break;
- default:
- break;
- }
-
- if (ep && usb_gadget_ep_match_desc(g, ep, desc, ep_comp))
- return ep;
-
- return NULL;
-}
-#else
-#define musb_match_ep NULL
-#endif
-
static int musb_gadget_start(struct usb_gadget *g,
struct usb_gadget_driver *driver);
static int musb_gadget_stop(struct usb_gadget *g);
@@ -1727,7 +1693,6 @@ static const struct usb_gadget_ops musb_gadget_operations = {
.pullup = musb_gadget_pullup,
.udc_start = musb_gadget_start,
.udc_stop = musb_gadget_stop,
- .match_ep = musb_match_ep,
};

/* ----------------------------------------------------------------------- */
diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
index a4beba184798..88466622c89f 100644
--- a/drivers/usb/musb/musb_regs.h
+++ b/drivers/usb/musb/musb_regs.h
@@ -195,8 +195,6 @@
#define MUSB_HUBADDR_MULTI_TT 0x80


-#ifndef CONFIG_BLACKFIN
-
/*
* Common USB registers
*/
@@ -416,184 +414,4 @@ static inline u8 musb_read_txhubport(struct musb *musb, u8 epnum)
musb->io.busctl_offset(epnum, MUSB_TXHUBPORT));
}

-#else /* CONFIG_BLACKFIN */
-
-#define USB_BASE USB_FADDR
-#define USB_OFFSET(reg) (reg - USB_BASE)
-
-/*
- * Common USB registers
- */
-#define MUSB_FADDR USB_OFFSET(USB_FADDR) /* 8-bit */
-#define MUSB_POWER USB_OFFSET(USB_POWER) /* 8-bit */
-#define MUSB_INTRTX USB_OFFSET(USB_INTRTX) /* 16-bit */
-#define MUSB_INTRRX USB_OFFSET(USB_INTRRX)
-#define MUSB_INTRTXE USB_OFFSET(USB_INTRTXE)
-#define MUSB_INTRRXE USB_OFFSET(USB_INTRRXE)
-#define MUSB_INTRUSB USB_OFFSET(USB_INTRUSB) /* 8 bit */
-#define MUSB_INTRUSBE USB_OFFSET(USB_INTRUSBE)/* 8 bit */
-#define MUSB_FRAME USB_OFFSET(USB_FRAME)
-#define MUSB_INDEX USB_OFFSET(USB_INDEX) /* 8 bit */
-#define MUSB_TESTMODE USB_OFFSET(USB_TESTMODE)/* 8 bit */
-
-/*
- * Additional Control Registers
- */
-
-#define MUSB_DEVCTL USB_OFFSET(USB_OTG_DEV_CTL) /* 8 bit */
-
-#define MUSB_LINKINFO USB_OFFSET(USB_LINKINFO)/* 8 bit */
-#define MUSB_VPLEN USB_OFFSET(USB_VPLEN) /* 8 bit */
-#define MUSB_HS_EOF1 USB_OFFSET(USB_HS_EOF1) /* 8 bit */
-#define MUSB_FS_EOF1 USB_OFFSET(USB_FS_EOF1) /* 8 bit */
-#define MUSB_LS_EOF1 USB_OFFSET(USB_LS_EOF1) /* 8 bit */
-
-/* Offsets to endpoint registers */
-#define MUSB_TXMAXP 0x00
-#define MUSB_TXCSR 0x04
-#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
-#define MUSB_RXMAXP 0x08
-#define MUSB_RXCSR 0x0C
-#define MUSB_RXCOUNT 0x10
-#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
-#define MUSB_TXTYPE 0x14
-#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
-#define MUSB_TXINTERVAL 0x18
-#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
-#define MUSB_RXTYPE 0x1C
-#define MUSB_RXINTERVAL 0x20
-#define MUSB_TXCOUNT 0x28
-
-/* Offsets to endpoint registers in indexed model (using INDEX register) */
-#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
- (0x40 + (_offset))
-
-/* Offsets to endpoint registers in flat models */
-#define MUSB_FLAT_OFFSET(_epnum, _offset) \
- (USB_OFFSET(USB_EP_NI0_TXMAXP) + (0x40 * (_epnum)) + (_offset))
-
-/* Not implemented - HW has separate Tx/Rx FIFO */
-#define MUSB_TXCSR_MODE 0x0000
-
-static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
-{
-}
-
-static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
-{
-}
-
-static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
-{
-}
-
-static inline void musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
-{
-}
-
-static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
-{
-}
-
-static inline u8 musb_read_txfifosz(void __iomem *mbase)
-{
- return 0;
-}
-
-static inline u16 musb_read_txfifoadd(void __iomem *mbase)
-{
- return 0;
-}
-
-static inline u8 musb_read_rxfifosz(void __iomem *mbase)
-{
- return 0;
-}
-
-static inline u16 musb_read_rxfifoadd(void __iomem *mbase)
-{
- return 0;
-}
-
-static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
-{
- return 0;
-}
-
-static inline u8 musb_read_configdata(void __iomem *mbase)
-{
- return 0;
-}
-
-static inline u16 musb_read_hwvers(void __iomem *mbase)
-{
- /*
- * This register is invisible on Blackfin, actually the MUSB
- * RTL version of Blackfin is 1.9, so just hardcode its value.
- */
- return MUSB_HWVERS_1900;
-}
-
-static inline void musb_write_rxfunaddr(void __iomem *mbase, u8 epnum,
- u8 qh_addr_req)
-{
-}
-
-static inline void musb_write_rxhubaddr(void __iomem *mbase, u8 epnum,
- u8 qh_h_addr_reg)
-{
-}
-
-static inline void musb_write_rxhubport(void __iomem *mbase, u8 epnum,
- u8 qh_h_port_reg)
-{
-}
-
-static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
- u8 qh_addr_reg)
-{
-}
-
-static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
- u8 qh_addr_reg)
-{
-}
-
-static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
- u8 qh_h_port_reg)
-{
-}
-
-static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
-{
- return 0;
-}
-
-static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
-{
- return 0;
-}
-
-static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
-{
- return 0;
-}
-
-static inline u8 musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
-{
- return 0;
-}
-
-static inline u8 musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
-{
- return 0;
-}
-
-static inline u8 musb_read_txhubport(void __iomem *mbase, u8 epnum)
-{
- return 0;
-}
-
-#endif /* CONFIG_BLACKFIN */
-
#endif /* __MUSB_REGS_H__ */
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 21fb9e6622f3..4389fc3422bd 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -235,11 +235,6 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data)

int_hsdma = musb_readb(mbase, MUSB_HSDMA_INTR);

-#ifdef CONFIG_BLACKFIN
- /* Clear DMA interrupt flags */
- musb_writeb(mbase, MUSB_HSDMA_INTR, int_hsdma);
-#endif
-
if (!int_hsdma) {
musb_dbg(musb, "spurious DMA irq");

diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h
index 44f7983df0a1..93665135aff1 100644
--- a/drivers/usb/musb/musbhsdma.h
+++ b/drivers/usb/musb/musbhsdma.h
@@ -6,8 +6,6 @@
* Copyright (C) 2005-2007 by Texas Instruments
*/

-#ifndef CONFIG_BLACKFIN
-
#define MUSB_HSDMA_BASE 0x200
#define MUSB_HSDMA_INTR (MUSB_HSDMA_BASE + 0)
#define MUSB_HSDMA_CONTROL 0x4
@@ -34,68 +32,6 @@
musb_writel(mbase, \
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT), \
len)
-#else
-
-#define MUSB_HSDMA_BASE 0x400
-#define MUSB_HSDMA_INTR (MUSB_HSDMA_BASE + 0)
-#define MUSB_HSDMA_CONTROL 0x04
-#define MUSB_HSDMA_ADDR_LOW 0x08
-#define MUSB_HSDMA_ADDR_HIGH 0x0C
-#define MUSB_HSDMA_COUNT_LOW 0x10
-#define MUSB_HSDMA_COUNT_HIGH 0x14
-
-#define MUSB_HSDMA_CHANNEL_OFFSET(_bchannel, _offset) \
- (MUSB_HSDMA_BASE + (_bchannel * 0x20) + _offset)
-
-static inline u32 musb_read_hsdma_addr(void __iomem *mbase, u8 bchannel)
-{
- u32 addr = musb_readw(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_HIGH));
-
- addr = addr << 16;
-
- addr |= musb_readw(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_LOW));
-
- return addr;
-}
-
-static inline void musb_write_hsdma_addr(void __iomem *mbase,
- u8 bchannel, dma_addr_t dma_addr)
-{
- musb_writew(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_LOW),
- dma_addr);
- musb_writew(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_HIGH),
- (dma_addr >> 16));
-}
-
-static inline u32 musb_read_hsdma_count(void __iomem *mbase, u8 bchannel)
-{
- u32 count = musb_readw(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH));
-
- count = count << 16;
-
- count |= musb_readw(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW));
-
- return count;
-}
-
-static inline void musb_write_hsdma_count(void __iomem *mbase,
- u8 bchannel, u32 len)
-{
- musb_writew(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW),len);
- musb_writew(mbase,
- MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH),
- (len >> 16));
-}
-
-#endif /* CONFIG_BLACKFIN */
-
/* control register (16-bit): */
#define MUSB_HSDMA_ENABLE_SHIFT 0
#define MUSB_HSDMA_TRANSMIT_SHIFT 1
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index 5d19e6730475..9eb908a98033 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -89,13 +89,6 @@ struct musb_hdrc_config {
u8 ram_bits; /* ram address size */

struct musb_hdrc_eps_bits *eps_bits __deprecated;
-#ifdef CONFIG_BLACKFIN
- /* A GPIO controlling VRSEL in Blackfin */
- unsigned int gpio_vrsel;
- unsigned int gpio_vrsel_active;
- /* musb CLKIN in Blackfin in MHZ */
- unsigned char clkin;
-#endif
u32 maximum_speed;
};

--
2.9.0
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