Without this the eMMC (root file system) cannot be used on N950/N9.
Any ideas for a proper solution?
Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
---
arch/arm/mach-omap2/board-generic.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 39c7838..8be49b3 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -20,6 +20,7 @@
#include <asm/mach/arch.h>
#include "common.h"
+#include "control.h"
#include "common-board-devices.h"
#include "dss-common.h"
@@ -51,12 +52,26 @@ static void __init legacy_init_ehci_clk(char *clkname)
}
}
+static void __init hsmmc2_input_clk(void)
+{
+ u32 reg;
+
+ reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
+ reg |= OMAP2_MMCSDIO2ADPCLKISEL;
+ omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
+}
+
static void __init omap_generic_init(void)
{
omap_sdrc_init(NULL, NULL);
of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
+ /* HACK: Configure the MMC input clock source on N950/N9. */
+ if (of_machine_is_compatible("nokia,omap3-n950") ||
+ of_machine_is_compatible("nokia,omap3-n9"))
+ hsmmc2_input_clk();
+
/*
* HACK: call display setup code for selected boards to enable omapdss.
* This will be removed when omapdss supports DT.
--
1.8.4.rc3
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