[U-Boot] [PATCH 2/8] usb: r8a66597: Make CONFIG_RZA_USB default
Marek Vasut
marek.vasut at gmail.com
Thu Aug 15 06:57:05 UTC 2019
No other platforms use this r8a66597 controller but RZ/A1,
make RZ/A1 support the default and drop all the other SoC
support to remove ifdeffery.
Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
Cc: Chris Brandt <chris.brandt at renesas.com>
---
drivers/usb/host/r8a66597-hcd.c | 35 -----------------------------
drivers/usb/host/r8a66597.h | 39 ---------------------------------
2 files changed, 74 deletions(-)
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 8cca09f6d8..d144b57a61 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -70,20 +70,6 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
}
} while ((tmp & USBE) != USBE);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
-#if !defined(CONFIG_RZA_USB)
- r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0);
-
- i = 0;
- r8a66597_bset(r8a66597, XCKE, SYSCFG0);
- do {
- udelay(1000);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 500) {
- printf("register access fail.\n");
- return -1;
- }
- } while ((tmp & SCKE) != SCKE);
-#else
/*
* RZ/A Only:
* Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0
@@ -96,28 +82,18 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
setbits(le16, R8A66597_BASE0, UPLLE);
mdelay(1);
r8a66597_bset(r8a66597, SUSPM, SUSPMODE0);
-#endif /* CONFIG_RZA_USB */
return 0;
}
static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
{
-#if !defined(CONFIG_RZA_USB)
- r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
- udelay(1);
- r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
- r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
- r8a66597_bclr(r8a66597, USBE, SYSCFG0);
-#else
r8a66597_bclr(r8a66597, SUSPM, SUSPMODE0);
clrbits(le16, R8A66597_BASE0, UPLLE);
mdelay(1);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
mdelay(1);
-
-#endif
}
static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
@@ -127,10 +103,6 @@ static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
val = port ? DRPD : DCFM | DRPD;
r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
-
-#if !defined(CONFIG_RZA_USB)
- r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
-#endif
}
static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
@@ -160,9 +132,6 @@ static int enable_controller(struct r8a66597 *r8a66597)
if (ret < 0)
return ret;
-#if !defined(CONFIG_RZA_USB)
- r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG);
-#endif
r8a66597_bset(r8a66597, USBE, SYSCFG0);
r8a66597_bset(r8a66597, INTL, SOFCFG);
@@ -280,16 +249,13 @@ static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
unsigned long setup_addr = USBREQ;
u16 intsts1;
int timeout = 3000;
-#if defined(CONFIG_RZA_USB)
u16 dcpctr;
-#endif
u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
r8a66597_write(r8a66597, make_devsel(devsel) |
(8 << dev->maxpacketsize), DCPMAXP);
r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
-#if defined(CONFIG_RZA_USB)
dcpctr = r8a66597_read(r8a66597, DCPCTR);
if ((dcpctr & PID) == PID_BUF) {
if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
@@ -298,7 +264,6 @@ static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
return -ETIMEDOUT;
}
}
-#endif
for (i = 0; i < 4; i++) {
r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h
index 4859e26355..1e370cdd6c 100644
--- a/drivers/usb/host/r8a66597.h
+++ b/drivers/usb/host/r8a66597.h
@@ -89,27 +89,14 @@
#define SUSPMODE0 0x102 /* RZ/A only */
/* System Configuration Control Register */
-#if !defined(CONFIG_RZA_USB)
-#define XTAL 0xC000 /* b15-14: Crystal selection */
-#define XTAL48 0x8000 /* 48MHz */
-#define XTAL24 0x4000 /* 24MHz */
-#define XTAL12 0x0000 /* 12MHz */
-#define XCKE 0x2000 /* b13: External clock enable */
-#define PLLC 0x0800 /* b11: PLL control */
-#define SCKE 0x0400 /* b10: USB clock enable */
-#define PCSDIS 0x0200 /* b9: not CS wakeup */
-#define LPSME 0x0100 /* b8: Low power sleep mode */
-#endif
#define HSE 0x0080 /* b7: Hi-speed enable */
#define DCFM 0x0040 /* b6: Controller function select */
#define DRPD 0x0020 /* b5: D+/- pull down control */
#define DPRPU 0x0010 /* b4: D+ pull up control */
-#if defined(CONFIG_RZA_USB)
#define XTAL 0x0004 /* b2: Crystal selection */
#define XTAL12 0x0004 /* 12MHz */
#define XTAL48 0x0000 /* 48MHz */
#define UPLLE 0x0002 /* b1: internal PLL control */
-#endif
#define USBE 0x0001 /* b0: USB module operation enable */
/* System Configuration Status Register */
@@ -178,11 +165,7 @@
#define REW 0x4000 /* b14: Buffer rewind */
#define DCLRM 0x2000 /* b13: DMA buffer clear mode */
#define DREQE 0x1000 /* b12: DREQ output enable */
-#if !defined(CONFIG_RZA_USB)
-#define MBW 0x0400 /* b10: Maximum bit width for FIFO access */
-#else
#define MBW 0x0800 /* b10: Maximum bit width for FIFO access */
-#endif
#define MBW_8 0x0000 /* 8bit */
#define MBW_16 0x0400 /* 16bit */
#define MBW_32 0x0800 /* 32bit */
@@ -427,7 +410,6 @@ static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
int len)
{
int i;
-#if defined(CONFIG_RZA_USB)
unsigned long fifoaddr = r8a66597->reg + offset;
unsigned long count;
unsigned long *p = buf;
@@ -440,13 +422,6 @@ static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
unsigned long tmp = inl(fifoaddr);
memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03);
}
-#else
- unsigned short *p = buf;
-
- len = (len + 1) / 2;
- for (i = 0; i < len; i++)
- p[i] = inw(r8a66597->reg + offset);
-#endif
}
static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
@@ -461,7 +436,6 @@ static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
{
int i;
unsigned long fifoaddr = r8a66597->reg + offset;
-#if defined(CONFIG_RZA_USB)
unsigned long count;
unsigned char *pb;
unsigned long *p = buf;
@@ -479,19 +453,6 @@ static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
outb(pb[i], fifoaddr + 3 - i);
}
}
-#else
- int odd = len & 0x0001;
- unsigned short *p = buf;
-
- len = len / 2;
- for (i = 0; i < len; i++)
- outw(p[i], fifoaddr);
-
- if (odd) {
- unsigned char *pb = (unsigned char *)(buf + len);
- outb(*pb, fifoaddr);
- }
-#endif
}
static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
--
2.20.1
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