mx31: add support for the bugbase 1.3 from buglabs

Note that the hardware schematics and documentations can be obtained
  here: http://www.bugcommunity.com/wiki/index.php/BUGbase

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index de80d98..4f57f13 100644 (file)
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -199,6 +199,15 @@ config MACH_KZM_ARM11_01
          Include support for KZM-ARM11-01. This includes specific
          configurations for the board and its peripherals.
 
+config MACH_BUG
+       bool "Support Buglabs BUGBase platform"
+       select SOC_IMX31
+       select IMX_HAVE_PLATFORM_IMX_UART
+       default y
+       help
+         Include support for BUGBase 1.3 platform. This includes specific
+         configurations for the board and its peripherals.
+
 config MACH_EUKREA_CPUIMX35
        bool "Support Eukrea CPUIMX35 Platform"
        select SOC_IMX35

diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
index 224d07a..a54faf2 100644 (file)
--- a/arch/arm/mach-mx3/Makefile
+++ b/arch/arm/mach-mx3/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_MACH_PCM043)     += mach-pcm043.o
 obj-$(CONFIG_MACH_ARMADILLO5X0) += mach-armadillo5x0.o
 obj-$(CONFIG_MACH_MX35_3DS)    += mach-mx35_3ds.o
 obj-$(CONFIG_MACH_KZM_ARM11_01)        += mach-kzm_arm11_01.o
+obj-$(CONFIG_MACH_BUG)         += mach-bug.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX35)     += mach-cpuimx35.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD)  += eukrea_mbimxsd-baseboard.o
 obj-$(CONFIG_MACH_VPR200)      += mach-vpr200.o

diff --git a/arch/arm/mach-mx3/mach-bug.c b/arch/arm/mach-mx3/mach-bug.c
new file mode 100644 (file)
index 0000000..d137d70
--- /dev/null
+++ b/arch/arm/mach-mx3/mach-bug.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ * Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2011 Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <mach/iomux-mx3.h>
+#include <mach/imx-uart.h>
+#include <mach/hardware.h>
+#include <mach/common.h>
+
+#include <asm/mach/time.h>
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include "devices-imx31.h"
+
+static const struct imxuart_platform_data uart_pdata __initconst = {
+       .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static const unsigned int bug_pins[] __initconst = {
+       MX31_PIN_PC_RST__CTS5,
+       MX31_PIN_PC_VS2__RTS5,
+       MX31_PIN_PC_BVD2__TXD5,
+       MX31_PIN_PC_BVD1__RXD5,
+};
+
+static void __init bug_board_init(void)
+{
+       mxc_iomux_setup_multiple_pins(bug_pins,
+                                     ARRAY_SIZE(bug_pins), "uart-4");
+       imx31_add_imx_uart4(&uart_pdata);
+}
+
+static void __init bug_timer_init(void)
+{
+       mx31_clocks_init(26000000);
+}
+
+static struct sys_timer bug_timer = {
+       .init = bug_timer_init,
+};
+
+MACHINE_START(BUG, "BugLabs BUGBase")
+       .map_io = mx31_map_io,
+       .init_early = imx31_init_early,
+       .init_irq = mx31_init_irq,
+       .timer = &bug_timer,
+       .init_machine = bug_board_init,
+MACHINE_END

diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 7412558..4864b0a 100644 (file)
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -62,6 +62,7 @@ static inline void flush(void)
 #define MX2X_UART1_BASE_ADDR   0x1000a000
 #define MX3X_UART1_BASE_ADDR   0x43F90000
 #define MX3X_UART2_BASE_ADDR   0x43F94000
+#define MX3X_UART5_BASE_ADDR   0x43FB4000
 #define MX51_UART1_BASE_ADDR   0x73fbc000
 #define MX50_UART1_BASE_ADDR   0x53fbc000
 #define MX53_UART1_BASE_ADDR   0x53fbc000
@@ -102,6 +103,9 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
        case MACH_TYPE_MAGX_ZN5:
                uart_base = MX3X_UART2_BASE_ADDR;
                break;
+       case MACH_TYPE_BUG:
+               uart_base = MX3X_UART5_BASE_ADDR;
+               break;
        case MACH_TYPE_MX51_BABBAGE:
        case MACH_TYPE_EUKREA_CPUIMX51SD:
        case MACH_TYPE_MX51_3DS: