From: Richard Genoud <richard.genoud@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCHv2 2/4] at91sam9x5: enable USB support for 9x5ek board.
Date: Wed, 28 Nov 2012 12:48:07 +0100 [thread overview]
Message-ID: <1354103289-967-3-git-send-email-richard.genoud@gmail.com> (raw)
In-Reply-To: <1354103289-967-1-git-send-email-richard.genoud@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
---
arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c | 10 ++++++++++
arch/arm/include/asm/arch-at91/at91sam9x5.h | 2 ++
board/atmel/at91sam9x5ek/at91sam9x5ek.c | 3 +++
drivers/usb/host/ohci-at91.c | 6 ++++--
4 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
index 9348552..f2a05c8 100644
--- a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
@@ -193,6 +193,16 @@ void at91_spi1_hw_init(unsigned long cs_mask)
}
#endif
+#if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI)
+void at91_uhp_hw_init(void)
+{
+ /* Enable VBus on UHP ports */
+ at91_set_pio_output(AT91_PIO_PORTD, 18, 0); /* port A */
+ at91_set_pio_output(AT91_PIO_PORTD, 19, 0); /* port B */
+ at91_set_pio_output(AT91_PIO_PORTD, 20, 0); /* port C */
+}
+#endif
+
#ifdef CONFIG_MACB
void at91_macb_hw_init(void)
{
diff --git a/arch/arm/include/asm/arch-at91/at91sam9x5.h b/arch/arm/include/asm/arch-at91/at91sam9x5.h
index 0e728c9..de0f1b1 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9x5.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9x5.h
@@ -154,6 +154,8 @@
#define ATMEL_PIO_PORTS 4
#define CPU_HAS_PIO3
#define PIO_SCDR_DIV (0x3fff << 0) /* Slow Clock Divider Mask */
+#define ATMEL_PMC_UHP AT91SAM926x_PMC_UHP
+#define ATMEL_ID_UHP ATMEL_ID_UHPHS
/*
* at91sam9x5 specific prototypes
diff --git a/board/atmel/at91sam9x5ek/at91sam9x5ek.c b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
index edb0886..8773e6f 100644
--- a/board/atmel/at91sam9x5ek/at91sam9x5ek.c
+++ b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
@@ -295,6 +295,9 @@ int board_init(void)
at91_macb_hw_init();
#endif
+#if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI)
+ at91_uhp_hw_init();
+#endif
#ifdef CONFIG_LCD
at91sam9x5ek_lcd_hw_init();
#endif
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 9532dd9..efd711d 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -41,7 +41,8 @@ int usb_cpu_init(void)
writel(get_pllb_init(), &pmc->pllbr);
while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
;
-#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
+#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) || \
+ defined(CONFIG_AT91SAM9X5)
/* Enable UPLL */
writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN,
&pmc->uckr);
@@ -81,7 +82,8 @@ int usb_cpu_stop(void)
writel(0, &pmc->pllbr);
while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != 0)
;
-#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
+#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) || \
+ defined(CONFIG_AT91SAM9X5)
/* Disable UPLL */
writel(readl(&pmc->uckr) & (~AT91_PMC_UPLLEN), &pmc->uckr);
while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU)
--
1.7.2.5
next prev parent reply other threads:[~2012-11-28 11:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-28 11:48 [U-Boot] [PATCHv2 0/4]enable USB OHCI on sam9x5ek boards Richard Genoud
2012-11-28 11:48 ` [U-Boot] [PATCHv2 1/4] usb documentation: fix typo Richard Genoud
2012-11-28 11:48 ` Richard Genoud [this message]
2012-11-29 5:22 ` [U-Boot] [PATCHv2 2/4] at91sam9x5: enable USB support for 9x5ek board Bo Shen
2012-11-30 9:06 ` Richard Genoud
2012-11-28 11:48 ` [U-Boot] [PATCHv2 3/4] at91sam9x5ek: regroup FAT/DOS features Richard Genoud
2012-11-28 11:48 ` [U-Boot] [PATCHv2 4/4] at91sam9x5ek: add USB configuration Richard Genoud
2012-11-29 5:22 ` Bo Shen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1354103289-967-3-git-send-email-richard.genoud@gmail.com \
--to=richard.genoud@gmail.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox