ARM: mach-shmobile: add armadillo800eva board support.

This adds very basic armadillo800eva board (R-Mobile A1) support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 154 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
new file mode 100644
index 00000000000..28bc259c50d
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -0,0 +1,154 @@
+/*
+ * armadillo 800 eva board support
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <asm/page.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <mach/r8a7740.h>
+
+/*
+ * CON1         Camera Module
+ * CON2         Extension Bus
+ * CON3         HDMI Output
+ * CON4         Composite Video Output
+ * CON5         H-UDI JTAG
+ * CON6         ARM JTAG
+ * CON7         SD1
+ * CON8         SD2
+ * CON9         RTC BackUp
+ * CON10        Monaural Mic Input
+ * CON11        Stereo Headphone Output
+ * CON12        Audio Line Output(L)
+ * CON13        Audio Line Output(R)
+ * CON14        AWL13 Module
+ * CON15        Extension
+ * CON16        LCD1
+ * CON17        LCD2
+ * CON19        Power Input
+ * CON20        USB1
+ * CON21        USB2
+ * CON22        Serial
+ * CON23        LAN
+ * CON24        USB3
+ * LED1         Camera LED(Yellow)
+ * LED2         Power LED (Green)
+ * ED3-LED6     User LED(Yellow)
+ * LED7         LAN link LED(Green)
+ * LED8         LAN activity LED(Yellow)
+ */
+
+/*
+ * DipSwitch
+ *
+ *                    SW1
+ *
+ * -12345678-+---------------+----------------------------
+ *  1        | boot          | hermit
+ *  0        | boot          | OS auto boot
+ * -12345678-+---------------+----------------------------
+ *   00      | boot device   | eMMC
+ *   10      | boot device   | SDHI0 (CON7)
+ *   01      | boot device   | -
+ *   11      | boot device   | Extension Buss (CS0)
+ * -12345678-+---------------+----------------------------
+ *     0     | Extension Bus | D8-D15 disable, eMMC enable
+ *     1     | Extension Bus | D8-D15 enable,  eMMC disable
+ * -12345678-+---------------+----------------------------
+ *      0    | SDHI1         | COM8 enable,  COM14 disable
+ *      1    | SDHI1         | COM8 enable,  COM14 disable
+ * -12345678-+---------------+----------------------------
+ *        00 | JTAG          | SH-X2
+ *        10 | JTAG          | ARM
+ *        01 | JTAG          | -
+ *        11 | JTAG          | Boundary Scan
+ *-----------+---------------+----------------------------
+ */
+
+/*
+ * board devices
+ */
+static struct platform_device *eva_devices[] __initdata = {
+};
+
+/*
+ * board init
+ */
+static void __init eva_init(void)
+{
+        r8a7740_pinmux_init();
+
+        /* SCIFA1 */
+        gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
+        gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
+
+#ifdef CONFIG_CACHE_L2X0
+        /* Early BRESP enable, Shared attribute override enable, 32K*8way */
+        l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
+#endif
+
+        r8a7740_add_standard_devices();
+
+        platform_add_devices(eva_devices,
+                             ARRAY_SIZE(eva_devices));
+}
+
+static void __init eva_earlytimer_init(void)
+{
+        struct clk *xtal1;
+
+        r8a7740_clock_init(MD_CK0 | MD_CK2);
+
+        xtal1 = clk_get(NULL, "extal1");
+        if (!IS_ERR(xtal1)) {
+                /* armadillo 800 eva extal1 is 24MHz */
+                clk_set_rate(xtal1, 24000000);
+                clk_put(xtal1);
+        }
+
+        shmobile_earlytimer_init();
+}
+
+static void __init eva_add_early_devices(void)
+{
+        r8a7740_add_early_devices();
+
+        /* override timer setup with board-specific code */
+        shmobile_timer.init = eva_earlytimer_init;
+}
+
+MACHINE_START(ARMADILLO800EVA, "armadillo800eva")
+        .map_io         = r8a7740_map_io,
+        .init_early     = eva_add_early_devices,
+        .init_irq       = r8a7740_init_irq,
+        .handle_irq     = shmobile_handle_irq_intc,
+        .init_machine   = eva_init,
+        .timer          = &shmobile_timer,
+MACHINE_END