This patch wires up LED debugging for the MMCIF boot
on the mackerel, which is all that is required to get MMCIF
boot functioning.
Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
.../mach-shmobile/include/mach/mmcif-mackerel.h | 39 ++++++++++++++++++++
arch/arm/mach-shmobile/include/mach/mmcif.h | 2 +
2 files changed, 41 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-shmobile/include/mach/mmcif-mackerel.h
diff --git a/arch/arm/mach-shmobile/include/mach/mmcif-mackerel.h b/arch/arm/mach-shmobile/include/mach/mmcif-mackerel.h
new file mode 100644
index 0000000..e07fb3f
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/mmcif-mackerel.h
@@ -0,0 +1,39 @@
+#ifndef MMCIF_MACKEREL_H
+#define MMCIF_MACKEREL_H
+
+#define PORT0CR 0xe6051000
+#define PORT1CR 0xe6051001
+#define PORT2CR 0xe6051002
+#define PORT159CR 0xe605009f
+
+#define PORTR031_000DR 0xe6055000
+#define PORTL159_128DR 0xe6054010
+
+static inline void mmcif_init_progress(void)
+{
+ /* Initialise LEDS0-3
+ * registers: PORT0CR-PORT2CR,PORT159CR (LED0-LED3 Control)
+ * value: 0x10 - enable output
+ */
+ __raw_writeb(0x10, PORT0CR);
+ __raw_writeb(0x10, PORT1CR);
+ __raw_writeb(0x10, PORT2CR);
+ __raw_writeb(0x10, PORT159CR);
+}
+
+static inline void mmcif_update_progress(int n)
+{
+ unsigned a = 0, b = 0;
+
+ if (n < 3)
+ a = 1 << n;
+ else
+ b = 1 << 31;
+
+ __raw_writel((__raw_readl(PORTR031_000DR) & ~0x7) | a,
+ PORTR031_000DR);
+ __raw_writel((__raw_readl(PORTL159_128DR) & ~(1 << 31)) | b,
+ PORTL159_128DR);
+}
+
+#endif /* MMCIF_MACKEREL_H */
diff --git a/arch/arm/mach-shmobile/include/mach/mmcif.h b/arch/arm/mach-shmobile/include/mach/mmcif.h
index 0812f1e..f4dc327 100644
--- a/arch/arm/mach-shmobile/include/mach/mmcif.h
+++ b/arch/arm/mach-shmobile/include/mach/mmcif.h
@@ -9,6 +9,8 @@
#ifdef CONFIG_MACH_AP4EVB
#include "mach/mmcif-ap4eb.h"
+#elif CONFIG_MACH_MACKEREL
+#include "mach/mmcif-mackerel.h"
#else
#error "unsupported board."
#endif
--
1.7.2.3
--
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