From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 1/1] beagle: add missing mmc twl and control init
Date: Thu, 7 Mar 2013 00:45:18 +0100 [thread overview]
Message-ID: <1362613518-15456-1-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1362425866-1356-3-git-send-email-s.hauer@pengutronix.de>
take from xloader
with this the mmc work even when booting from nand
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
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next prev parent reply other threads:[~2013-03-06 23:49 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 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-03-07 2:06 ` [PATCH 1/1] beagle: add missing mmc twl and control init Alexander Aring
2013-03-08 7:41 ` Sascha Hauer
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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