mxc: Add i.MX27LITE board support

Sascha Hauer wrote:
> On Tue, Jun 02, 2009 at 04:18:42PM -0400, Daniel Schaeffer wrote:
>> Add basic support for the Logic i.MX27LITE board.
>>
>> Signed-off-by: Daniel Schaeffer <daniel.schaeffer@timesys.com>
>
> Besides the comment made by Fabio this looks ok to me.
>
> Sascha
>
>

Fixed issues pointed out by Fabio and Magnus, and rebased to mxc-master head.

Signed-off-by: Daniel Schaeffer <daniel.schaeffer@timesys.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

5 files changed, 127 insertions, 0 deletions

diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
index 61550443a233..c77da586b71d 100644
--- a/arch/arm/mach-mx2/Kconfig
+++ b/arch/arm/mach-mx2/Kconfig
@@ -59,4 +59,12 @@ config MACH_MX27_3DS
         help
           Include support for MX27PDK platform. This includes specific
           configurations for the board and its peripherals.
+
+config MACH_MX27LITE
+        bool "LogicPD MX27 LITEKIT platform"
+        depends on MACH_MX27
+        help
+          Include support for MX27 LITEKIT platform. This includes specific
+          configurations for the board and its peripherals.
+
 endif
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile
index d140e2dcf942..b9b1cca4e9bc 100644
--- a/arch/arm/mach-mx2/Makefile
+++ b/arch/arm/mach-mx2/Makefile
@@ -16,3 +16,5 @@ obj-$(CONFIG_MACH_MX27ADS) += mx27ads.o
 obj-$(CONFIG_MACH_PCM038) += pcm038.o
 obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o
 obj-$(CONFIG_MACH_MX27_3DS) += mx27pdk.o
+obj-$(CONFIG_MACH_MX27LITE) += mx27lite.o
+
diff --git a/arch/arm/mach-mx2/mx27lite.c b/arch/arm/mach-mx2/mx27lite.c
new file mode 100644
index 000000000000..3ae11cb8c04b
--- /dev/null
+++ b/arch/arm/mach-mx2/mx27lite.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ * Copyright 2009 Daniel Schaeffer (daniel.schaeffer@timesys.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; 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.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux.h>
+#include <mach/board-mx27lite.h>
+
+#include "devices.h"
+
+static unsigned int mx27lite_pins[] = {
+        /* UART1 */
+        PE12_PF_UART1_TXD,
+        PE13_PF_UART1_RXD,
+        PE14_PF_UART1_CTS,
+        PE15_PF_UART1_RTS,
+        /* FEC */
+        PD0_AIN_FEC_TXD0,
+        PD1_AIN_FEC_TXD1,
+        PD2_AIN_FEC_TXD2,
+        PD3_AIN_FEC_TXD3,
+        PD4_AOUT_FEC_RX_ER,
+        PD5_AOUT_FEC_RXD1,
+        PD6_AOUT_FEC_RXD2,
+        PD7_AOUT_FEC_RXD3,
+        PD8_AF_FEC_MDIO,
+        PD9_AIN_FEC_MDC,
+        PD10_AOUT_FEC_CRS,
+        PD11_AOUT_FEC_TX_CLK,
+        PD12_AOUT_FEC_RXD0,
+        PD13_AOUT_FEC_RX_DV,
+        PD14_AOUT_FEC_RX_CLK,
+        PD15_AOUT_FEC_COL,
+        PD16_AIN_FEC_TX_ER,
+        PF23_AIN_FEC_TX_EN,
+};
+
+static struct imxuart_platform_data uart_pdata = {
+        .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+        &mxc_fec_device,
+};
+
+static void __init mx27lite_init(void)
+{
+        mxc_gpio_setup_multiple_pins(mx27lite_pins, ARRAY_SIZE(mx27lite_pins),
+                "imx27lite");
+        mxc_register_device(&mxc_uart_device0, &uart_pdata);
+        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}
+
+static void __init mx27lite_timer_init(void)
+{
+        mx27_clocks_init(26000000);
+}
+
+static struct sys_timer mx27lite_timer = {
+        .init   = mx27lite_timer_init,
+};
+
+MACHINE_START(IMX27LITE, "LogicPD i.MX27LITE")
+        .phys_io        = AIPI_BASE_ADDR,
+        .io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+        .boot_params    = PHYS_OFFSET + 0x100,
+        .map_io         = mx27_map_io,
+        .init_irq       = mxc_init_irq,
+        .init_machine   = mx27lite_init,
+        .timer          = &mx27lite_timer,
+MACHINE_END
diff --git a/arch/arm/plat-mxc/include/mach/board-mx27lite.h b/arch/arm/plat-mxc/include/mach/board-mx27lite.h
new file mode 100644
index 000000000000..a870f8ea2443
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/board-mx27lite.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_MXC_BOARD_MX27LITE_H__
+#define __ASM_ARCH_MXC_BOARD_MX27LITE_H__
+
+/* mandatory for CONFIG_DEBUG_LL */
+
+#define MXC_LL_UART_PADDR       UART1_BASE_ADDR
+#define MXC_LL_UART_VADDR       AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
+
+#endif /* __ASM_ARCH_MXC_BOARD_MX27LITE_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index e280978eef60..bbc5f6753cfb 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -49,6 +49,9 @@
 #ifdef CONFIG_MACH_MX35_3DS
 #include <mach/board-mx35pdk.h>
 #endif
+#ifdef CONFIG_MACH_MX27LITE
+#include <mach/board-mx27lite.h>
+#endif
                 .macro  addruart,rx
                 mrc     p15, 0, \rx, c1, c0
                 tst     \rx, #1                 @ MMU enabled?