]> Pileus Git - ~andy/linux/commitdiff
ARM: mach-mx5/mx53_ard: Add support for i.MX53 ARD board
authorAndre Silva <andre.silva@freescale.com>
Fri, 10 Jun 2011 16:08:14 +0000 (13:08 -0300)
committerSascha Hauer <s.hauer@pengutronix.de>
Thu, 7 Jul 2011 08:01:07 +0000 (10:01 +0200)
Signed-off-by: Andre Silva <andre.silva@freescale.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
arch/arm/mach-mx5/Kconfig
arch/arm/mach-mx5/Makefile
arch/arm/mach-mx5/board-mx53_ard.c [new file with mode: 0644]
arch/arm/plat-mxc/include/mach/uncompress.h

index 3c9845552ca7b8e64b30a09ed7045a8c90ddbe50..695cdf017c5e511954364f371423ddfaaacdb8f5 100644 (file)
@@ -209,6 +209,14 @@ config MACH_MX53_LOCO
          Include support for MX53 LOCO platform. This includes specific
          configurations for the board and its peripherals.
 
+config MACH_MX53_ARD
+       bool "Support MX53 ARD platforms"
+       select SOC_IMX53
+       select IMX_HAVE_PLATFORM_IMX_UART
+       help
+         Include support for MX53 ARD platform. This includes specific
+         configurations for the board and its peripherals.
+
 endif # ARCH_MX53_SUPPORTED
 
 endif
index 0b9338cec516bf9061ba65da27851a965509d6ad..df67fefdc6cb3f3dfed79cc504142d5dd8485092 100644 (file)
@@ -12,6 +12,7 @@ obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
 obj-$(CONFIG_MACH_MX53_EVK) += board-mx53_evk.o
 obj-$(CONFIG_MACH_MX53_SMD) += board-mx53_smd.o
 obj-$(CONFIG_MACH_MX53_LOCO) += board-mx53_loco.o
+obj-$(CONFIG_MACH_MX53_ARD) += board-mx53_ard.o
 obj-$(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/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c
new file mode 100644 (file)
index 0000000..7e1859b
--- /dev/null
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2011 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 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 <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/smsc911x.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx53.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include "crm_regs.h"
+#include "devices-imx53.h"
+
+#define ARD_ETHERNET_INT_B     IMX_GPIO_NR(2, 31)
+
+static iomux_v3_cfg_t mx53_ard_pads[] = {
+       /* UART1 */
+       MX53_PAD_PATA_DIOW__UART1_TXD_MUX,
+       MX53_PAD_PATA_DMACK__UART1_RXD_MUX,
+       /* WEIM for CS1 */
+       MX53_PAD_EIM_EB3__GPIO2_31, /* ETHERNET_INT_B */
+       MX53_PAD_EIM_D16__EMI_WEIM_D_16,
+       MX53_PAD_EIM_D17__EMI_WEIM_D_17,
+       MX53_PAD_EIM_D18__EMI_WEIM_D_18,
+       MX53_PAD_EIM_D19__EMI_WEIM_D_19,
+       MX53_PAD_EIM_D20__EMI_WEIM_D_20,
+       MX53_PAD_EIM_D21__EMI_WEIM_D_21,
+       MX53_PAD_EIM_D22__EMI_WEIM_D_22,
+       MX53_PAD_EIM_D23__EMI_WEIM_D_23,
+       MX53_PAD_EIM_D24__EMI_WEIM_D_24,
+       MX53_PAD_EIM_D25__EMI_WEIM_D_25,
+       MX53_PAD_EIM_D26__EMI_WEIM_D_26,
+       MX53_PAD_EIM_D27__EMI_WEIM_D_27,
+       MX53_PAD_EIM_D28__EMI_WEIM_D_28,
+       MX53_PAD_EIM_D29__EMI_WEIM_D_29,
+       MX53_PAD_EIM_D30__EMI_WEIM_D_30,
+       MX53_PAD_EIM_D31__EMI_WEIM_D_31,
+       MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
+       MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
+       MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
+       MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
+       MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
+       MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
+       MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
+       MX53_PAD_EIM_OE__EMI_WEIM_OE,
+       MX53_PAD_EIM_RW__EMI_WEIM_RW,
+       MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
+};
+
+static struct resource ard_smsc911x_resources[] = {
+       {
+               .start = MX53_CS1_64MB_BASE_ADDR,
+               .end = MX53_CS1_64MB_BASE_ADDR + SZ_32M - 1,
+               .flags = IORESOURCE_MEM,
+       },
+       {
+               .start =  gpio_to_irq(ARD_ETHERNET_INT_B),
+               .end =  gpio_to_irq(ARD_ETHERNET_INT_B),
+               .flags = IORESOURCE_IRQ,
+       },
+};
+
+struct smsc911x_platform_config ard_smsc911x_config = {
+       .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+       .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+       .flags = SMSC911X_USE_32BIT,
+};
+
+static struct platform_device ard_smsc_lan9220_device = {
+       .name = "smsc911x",
+       .id = -1,
+       .num_resources = ARRAY_SIZE(ard_smsc911x_resources),
+       .resource = ard_smsc911x_resources,
+       .dev = {
+               .platform_data = &ard_smsc911x_config,
+       },
+};
+
+static void __init mx53_ard_io_init(void)
+{
+       mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
+                               ARRAY_SIZE(mx53_ard_pads));
+
+       gpio_request(ARD_ETHERNET_INT_B, "eth-int-b");
+       gpio_direction_input(ARD_ETHERNET_INT_B);
+}
+
+ /* Config CS1 settings for ethernet controller */
+static int weim_cs_config(void)
+{
+       u32 reg;
+       void __iomem *weim_base, *iomuxc_base;
+
+       weim_base = ioremap(MX53_WEIM_BASE_ADDR, SZ_4K);
+       if (!weim_base)
+               return -ENOMEM;
+
+       iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K);
+       if (!iomuxc_base)
+               return -ENOMEM;
+
+       /* CS1 timings for LAN9220 */
+       writel(0x20001, (weim_base + 0x18));
+       writel(0x0, (weim_base + 0x1C));
+       writel(0x16000202, (weim_base + 0x20));
+       writel(0x00000002, (weim_base + 0x24));
+       writel(0x16002082, (weim_base + 0x28));
+       writel(0x00000000, (weim_base + 0x2C));
+       writel(0x00000000, (weim_base + 0x90));
+
+       /* specify 64 MB on CS1 and CS0 on GPR1 */
+       reg = readl(iomuxc_base + 0x4);
+       reg &= ~0x3F;
+       reg |= 0x1B;
+       writel(reg, (iomuxc_base + 0x4));
+
+       iounmap(iomuxc_base);
+       iounmap(weim_base);
+
+       return 0;
+}
+
+static struct platform_device *devices[] __initdata = {
+       &ard_smsc_lan9220_device,
+};
+
+static void __init mx53_ard_board_init(void)
+{
+       imx53_soc_init();
+       imx53_add_imx_uart(0, NULL);
+
+       mx53_ard_io_init();
+       weim_cs_config();
+       platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static void __init mx53_ard_timer_init(void)
+{
+       mx53_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mx53_ard_timer = {
+       .init   = mx53_ard_timer_init,
+};
+
+MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board")
+       .map_io = mx53_map_io,
+       .init_early = imx53_init_early,
+       .init_irq = mx53_init_irq,
+       .timer = &mx53_ard_timer,
+       .init_machine = mx53_ard_board_init,
+MACHINE_END
index d85e2d1c0324449ca1209a1b572e216255e350ed..88fd40452567a30aeb6f2b55ba1e3f4684959a78 100644 (file)
@@ -117,6 +117,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
        case MACH_TYPE_MX53_EVK:
        case MACH_TYPE_MX53_LOCO:
        case MACH_TYPE_MX53_SMD:
+       case MACH_TYPE_MX53_ARD:
                uart_base = MX53_UART1_BASE_ADDR;
                break;
        default: