[U-Boot] [PATCH 03/11] mvebu: Fix for non-DM ehci-marvell support

[Phil Sutter]

This mimics the relevant code in mach-kirkwood headers. The
*_winctrl_calcsize functions are identical, as well as the MVCPU_WIN_*
macros. Implementing shared headers/code between mvebu and kirkwood is
left for someone with a better knowledge of how u-boot is organized
internally.

Signed-off-by: Phil Sutter <phil at nwl.cc>
---
 arch/arm/mach-mvebu/cpu.c              | 21 +++++++++++++++++++++
 arch/arm/mach-mvebu/include/mach/cpu.h |  3 +++
 arch/arm/mach-mvebu/include/mach/soc.h |  9 ++++++++-
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c
index 895ad92..d3b9789 100644
--- a/arch/arm/mach-mvebu/cpu.c
+++ b/arch/arm/mach-mvebu/cpu.c
@@ -46,6 +46,27 @@ void reset_cpu(unsigned long ignored)
 		;
 }
 
+/*
+ * Window Size
+ * Used with the Base register to set the address window size and location.
+ * Must be programmed from LSB to MSB as sequence of ones followed by
+ * sequence of zeros. The number of ones specifies the size of the window in
+ * 64 KByte granularity (e.g., a value of 0x00FF specifies 256 = 16 MByte).
+ * NOTE: A value of 0x0 specifies 64-KByte size.
+ */
+unsigned int mvebu_winctrl_calcsize(unsigned int sizeval)
+{
+	int i;
+	unsigned int j = 0;
+	u32 val = sizeval >> 1;
+
+	for (i = 0; val >= 0x10000; i++) {
+		j |= (1 << i);
+		val = val >> 1;
+	}
+	return 0x0000ffff & j;
+}
+
 int mvebu_soc_family(void)
 {
 	u16 devid = (readl(MVEBU_REG_PCIE_DEVID) >> 16) & 0xffff;
diff --git a/arch/arm/mach-mvebu/include/mach/cpu.h b/arch/arm/mach-mvebu/include/mach/cpu.h
index 5e8bf0c..484638b 100644
--- a/arch/arm/mach-mvebu/include/mach/cpu.h
+++ b/arch/arm/mach-mvebu/include/mach/cpu.h
@@ -13,6 +13,9 @@
 
 #ifndef __ASSEMBLY__
 
+#define MVEBU_CPU_WIN_CTRL_DATA(size, target, attr, en) (en | (target << 4) \
+			| (attr << 8) | (mvebu_winctrl_calcsize(size) << 16))
+
 #define MVEBU_REG_PCIE_DEVID		(MVEBU_REG_PCIE_BASE + 0x00)
 #define MVEBU_REG_PCIE_REVID		(MVEBU_REG_PCIE_BASE + 0x08)
 
diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h
index 22abde0..a62a220 100644
--- a/arch/arm/mach-mvebu/include/mach/soc.h
+++ b/arch/arm/mach-mvebu/include/mach/soc.h
@@ -96,8 +96,15 @@
 #define SDRAM_MAX_CS		4
 #define SDRAM_ADDR_MASK		0xFF000000
 
+/* MVEBU USB Host controller */
+#define MVUSB0_BASE			MVEBU_AXP_USB_BASE
+#define MVUSB0_CPU_ATTR_DRAM_CS0	CPU_ATTR_DRAM_CS0
+#define MVUSB0_CPU_ATTR_DRAM_CS1	CPU_ATTR_DRAM_CS1
+#define MVUSB0_CPU_ATTR_DRAM_CS2	CPU_ATTR_DRAM_CS2
+#define MVUSB0_CPU_ATTR_DRAM_CS3	CPU_ATTR_DRAM_CS3
+
 /* MVEBU CPU memory windows */
-#define MVCPU_WIN_CTRL_DATA	CPU_WIN_CTRL_DATA
+#define MVCPU_WIN_CTRL_DATA	MVEBU_CPU_WIN_CTRL_DATA
 #define MVCPU_WIN_ENABLE	CPU_WIN_ENABLE
 #define MVCPU_WIN_DISABLE	CPU_WIN_DISABLE
 
-- 
2.5.3