From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/1] beagle: add missing mmc twl and control init
Date: Fri, 8 Mar 2013 08:41:08 +0100 [thread overview]
Message-ID: <20130308074108.GX1906@pengutronix.de> (raw)
In-Reply-To: <1362613518-15456-1-git-send-email-plagnioj@jcrosoft.com>
On Thu, Mar 07, 2013 at 12:45:18AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> take from xloader
>
> with this the mmc work even when booting from nand
Which beagle board revision do you have? With this patch the MMC
doesn't work at all anymore, even when booting from it.
Sascha
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> ---
> arch/arm/boards/beagle/board.c | 29 ++++++++++++++++++++++++++++-
> 1 file changed, 28 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boards/beagle/board.c b/arch/arm/boards/beagle/board.c
> index bed4651..6e69e87 100644
> --- a/arch/arm/boards/beagle/board.c
> +++ b/arch/arm/boards/beagle/board.c
> @@ -63,6 +63,7 @@
> #include <linux/err.h>
> #include <usb/ehci.h>
> #include <mach/xload.h>
> +#include <mfd/twl4030.h>
>
> #ifdef CONFIG_DRIVER_SERIAL_NS16550
>
> @@ -109,6 +110,32 @@ static struct gpmc_nand_platform_data nand_plat = {
> .nand_cfg = &omap3_nand_cfg,
> };
>
> +/* T2 Register definitions */
> +#define CONTROL_DEV_CONF0 0x48002274
> +#define CONTROL_PBIAS_LITE 0x48002520
> +
> +static void beagle_add_mmc(void)
> +{
> + unsigned int value = 0;
> + struct twl4030 *t = twl4030_get();
> +
> + if (!t) {
> + pr_warn("twl4030 not ready to setup mmc\n");
> + } else {
> + twl4030_reg_write(t, TWL4030_USB_OTHER_FUNC_CTRL_CLR, 0x20);
> + twl4030_reg_write(t, TWL4030_USB_OTHER_IFC_CTRL_CLR, 0x2);
> + }
> +
> + value = readl(CONTROL_PBIAS_LITE);
> + value |= (1 << 2) | (1 << 1) | (1 << 9);
> + writel(value, CONTROL_PBIAS_LITE);
> +
> + value = readl(CONTROL_DEV_CONF0);
> + writel(value | (1 << 24), CONTROL_PBIAS_LITE);
> +
> + omap3_add_mmc1(NULL);
> +}
> +
> static int beagle_mem_init(void)
> {
> omap_add_ram0(SZ_128M);
> @@ -132,7 +159,7 @@ static int beagle_devices_init(void)
> #endif
> omap_add_gpmc_nand_device(&nand_plat);
>
> - omap3_add_mmc1(NULL);
> + beagle_add_mmc();
>
> armlinux_set_bootparams((void *)0x80000100);
> armlinux_set_architecture(MACH_TYPE_OMAP3_BEAGLE);
> --
> 1.7.10.4
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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next prev parent reply other threads:[~2013-03-08 7:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-04 19:37 [PATCH] OMAP3 updates Sascha Hauer
2013-03-04 19:37 ` [PATCH 1/2] ARM: OMAP3: invalidate L2 cache using ROM API Sascha Hauer
2013-03-04 19:37 ` [PATCH 2/2] ARM: OMAP: beagle: Add missing MMC iomux setup Sascha Hauer
2013-03-06 23:45 ` [PATCH 1/1] beagle: add missing mmc twl and control init Jean-Christophe PLAGNIOL-VILLARD
2013-03-07 2:06 ` Alexander Aring
2013-03-08 7:41 ` Sascha Hauer [this message]
2013-03-08 12:21 ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-08 12:45 ` Sascha Hauer
2013-03-08 12:42 ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-08 13:00 ` Sascha Hauer
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