[ARM] mmp: add support for Marvell MMP2

Marvell MMP2 (aka ARMADA610) is a SoC based on PJ4 core. It's
ARMv6 compatible.  Support basic interrupt handler and timer,
and basic support for MMP2 based FLINT platform.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 83 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c
new file mode 100644
index 000000000000..a9ca93d97412
--- /dev/null
+++ b/arch/arm/mach-mmp/mmp2.c
@@ -0,0 +1,83 @@
+/*
+ * linux/arch/arm/mach-mmp/mmp2.c
+ *
+ * code name MMP2
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <mach/addr-map.h>
+#include <mach/regs-apbc.h>
+#include <mach/regs-apmu.h>
+#include <mach/cputype.h>
+#include <mach/irqs.h>
+#include <mach/mfp.h>
+#include <mach/devices.h>
+
+#include "common.h"
+#include "clock.h"
+
+#define MFPR_VIRT_BASE  (APB_VIRT_BASE + 0x1e000)
+
+/* APB peripheral clocks */
+static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
+static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);
+static APBC_CLK(uart3, MMP2_UART3, 1, 26000000);
+static APBC_CLK(uart4, MMP2_UART4, 1, 26000000);
+static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000);
+static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000);
+static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
+static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
+static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
+static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
+static APBC_CLK(rtc, MMP2_RTC, 0, 32768);
+
+static APMU_CLK(nand, NAND, 0xbf, 100000000);
+
+static struct clk_lookup mmp2_clkregs[] = {
+        INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
+        INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
+        INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
+        INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL),
+        INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL),
+        INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL),
+        INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL),
+        INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL),
+        INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
+        INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
+        INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
+};
+
+static int __init mmp2_init(void)
+{
+        if (cpu_is_mmp2()) {
+                mfp_init_base(MFPR_VIRT_BASE);
+                clks_register(ARRAY_AND_SIZE(mmp2_clkregs));
+        }
+
+        return 0;
+}
+postcore_initcall(mmp2_init);
+
+/* on-chip devices */
+MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5);
+MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21);
+MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23);
+MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19);
+MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70);
+MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70);
+MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70);
+MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70);
+MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70);
+MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70);
+MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29);
+