ARM i.MX53: Make MX53 EVK bootable

1. Add entries to Kconfig
2. Add machine definition
3. Add Uart platform data, pad setting and base address
4. Adjust GPIO irq number

Signed-off-by: Yong Shen <yong.shen@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

5 files changed, 119 insertions, 0 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 7c31757..55254b6 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -7,6 +7,9 @@ config ARCH_MX50
 config ARCH_MX51
 	bool
 
+config ARCH_MX53
+	bool
+
 config SOC_IMX50
 	bool
 	select MXC_TZIC
@@ -23,6 +26,12 @@ config	SOC_IMX51
 	select ARCH_HAS_CPUFREQ
 	select ARCH_MX51
 
+config	SOC_IMX53
+	bool
+	select MXC_TZIC
+	select ARCH_MXC_IOMUX_V3
+	select ARCH_MX53
+
 comment "MX5 platforms:"
 
 config MACH_MX51_BABBAGE
@@ -111,6 +120,15 @@ config MACH_MX51_EFIKAMX
 	  Include support for Genesi Efika MX nettop. This includes specific
 	  configurations for the board and its peripherals.
 
+config MACH_MX53_EVK
+	bool "Support MX53 EVK platforms"
+	select SOC_IMX53
+	select IMX_HAVE_PLATFORM_IMX_UART
+	help
+	  Include support for MX53 EVK platform. This includes specific
+	  configurations for the board and its peripherals.
+
+
 config MACH_MX50_RDP
 	bool "Support MX50 reference design platform"
 	depends on BROKEN
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index d99d7ab..0c398ba 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
 obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
 obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
 obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
+obj-$(CONFIG_MACH_MX53_EVK) += board-mx53_evk.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
 obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o
diff --git a/arch/arm/mach-mx5/Makefile.boot b/arch/arm/mach-mx5/Makefile.boot
index 854748f..e928be1 100644
--- a/arch/arm/mach-mx5/Makefile.boot
+++ b/arch/arm/mach-mx5/Makefile.boot
@@ -4,3 +4,6 @@ initrd_phys-$(CONFIG_ARCH_MX50)	:= 0x70800000
    zreladdr-$(CONFIG_ARCH_MX51)	:= 0x90008000
 params_phys-$(CONFIG_ARCH_MX51)	:= 0x90000100
 initrd_phys-$(CONFIG_ARCH_MX51)	:= 0x90800000
+   zreladdr-$(CONFIG_ARCH_MX53)	:= 0x70008000
+params_phys-$(CONFIG_ARCH_MX53)	:= 0x70000100
+initrd_phys-$(CONFIG_ARCH_MX53)	:= 0x70800000
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
new file mode 100644
index 0000000..fa97d0d
--- /dev/null
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.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.
+
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx53.h>
+
+#include "crm_regs.h"
+#include "devices-imx53.h"
+
+static iomux_v3_cfg_t mx53_evk_pads[] = {
+	MX53_PAD_CSI0_D10__UART1_TXD,
+	MX53_PAD_CSI0_D11__UART1_RXD,
+	MX53_PAD_ATA_DIOW__UART1_TXD,
+	MX53_PAD_ATA_DMACK__UART1_RXD,
+
+	MX53_PAD_ATA_BUFFER_EN__UART2_RXD,
+	MX53_PAD_ATA_DMARQ__UART2_TXD,
+	MX53_PAD_ATA_DIOR__UART2_RTS,
+	MX53_PAD_ATA_INTRQ__UART2_CTS,
+
+	MX53_PAD_ATA_CS_0__UART3_TXD,
+	MX53_PAD_ATA_CS_1__UART3_RXD,
+	MX53_PAD_ATA_DA_1__UART3_CTS,
+	MX53_PAD_ATA_DA_2__UART3_RTS,
+};
+
+static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static inline void mx53_evk_init_uart(void)
+{
+	imx53_add_imx_uart(0, &mx53_evk_uart_pdata);
+	imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
+	imx53_add_imx_uart(2, &mx53_evk_uart_pdata);
+}
+
+static void __init mx53_evk_board_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
+					ARRAY_SIZE(mx53_evk_pads));
+	mx53_evk_init_uart();
+}
+
+static void __init mx53_evk_timer_init(void)
+{
+	mx53_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mx53_evk_timer = {
+	.init	= mx53_evk_timer_init,
+};
+
+MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
+	.map_io = mx53_map_io,
+	.init_irq = mx53_init_irq,
+	.init_machine = mx53_evk_board_init,
+	.timer = &mx53_evk_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
new file mode 100644
index 0000000..9d0ec25
--- /dev/null
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org>
+ *
+ * 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 <mach/mx53.h>
+#include <mach/devices-common.h>
+
+extern const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst;
+#define imx53_add_imx_uart(id, pdata)	\
+	imx_add_imx_uart_1irq(&imx53_imx_uart_data[id], pdata)