summaryrefslogtreecommitdiff
path: root/arch/arm/mach-shmobile/board-ap4evb.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-shmobile/board-ap4evb.c')
-rw-r--r--arch/arm/mach-shmobile/board-ap4evb.c333
1 files changed, 333 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
new file mode 100644
index 000000000000..1c2ec96ce261
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -0,0 +1,333 @@
+/*
+ * AP4EVB board support
+ *
+ * Copyright (C) 2010 Magnus Damm
+ * Copyright (C) 2008 Yoshihiro Shimoda
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/io.h>
+#include <linux/smsc911x.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/input/sh_keysc.h>
+#include <mach/common.h>
+#include <mach/sh7372.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+/*
+ * Address Interface BusWidth note
+ * ------------------------------------------------------------------
+ * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
+ * 0x0800_0000 user area -
+ * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
+ * 0x1400_0000 Ether (LAN9220) 16bit
+ * 0x1600_0000 user area - cannot use with NAND
+ * 0x1800_0000 user area -
+ * 0x1A00_0000 -
+ * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
+ */
+
+/*
+ * NOR Flash ROM
+ *
+ * SW1 | SW2 | SW7 | NOR Flash ROM
+ * bit1 | bit1 bit2 | bit1 | Memory allocation
+ * ------+------------+------+------------------
+ * OFF | ON OFF | ON | Area 0
+ * OFF | ON OFF | OFF | Area 4
+ */
+
+/*
+ * NAND Flash ROM
+ *
+ * SW1 | SW2 | SW7 | NAND Flash ROM
+ * bit1 | bit1 bit2 | bit2 | Memory allocation
+ * ------+------------+------+------------------
+ * OFF | ON OFF | ON | FCE 0
+ * OFF | ON OFF | OFF | FCE 1
+ */
+
+/*
+ * SMSC 9220
+ *
+ * SW1 SMSC 9220
+ * -----------------------
+ * ON access disable
+ * OFF access enable
+ */
+
+/*
+ * KEYSC
+ *
+ * SW43 KEYSC
+ * -------------------------
+ * ON enable
+ * OFF disable
+ */
+
+/* MTD */
+static struct mtd_partition nor_flash_partitions[] = {
+ {
+ .name = "loader",
+ .offset = 0x00000000,
+ .size = 512 * 1024,
+ },
+ {
+ .name = "bootenv",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 512 * 1024,
+ },
+ {
+ .name = "kernel_ro",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 8 * 1024 * 1024,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 8 * 1024 * 1024,
+ },
+ {
+ .name = "data",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data nor_flash_data = {
+ .width = 2,
+ .parts = nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+ [0] = {
+ .start = 0x00000000,
+ .end = 0x08000000 - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device nor_flash_device = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &nor_flash_data,
+ },
+ .num_resources = ARRAY_SIZE(nor_flash_resources),
+ .resource = nor_flash_resources,
+};
+
+/* SMSC 9220 */
+static struct resource smc911x_resources[] = {
+ {
+ .start = 0x14000000,
+ .end = 0x16000000 - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = 6,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
+static struct smsc911x_platform_config smsc911x_info = {
+ .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device smc911x_device = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smc911x_resources),
+ .resource = smc911x_resources,
+ .dev = {
+ .platform_data = &smsc911x_info,
+ },
+};
+
+/* KEYSC (Needs SW43 set to ON) */
+static struct sh_keysc_info keysc_info = {
+ .mode = SH_KEYSC_MODE_1,
+ .scan_timing = 3,
+ .delay = 2500,
+ .keycodes = {
+ KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
+ KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
+ KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
+ KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
+ KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
+ },
+};
+
+static struct resource keysc_resources[] = {
+ [0] = {
+ .name = "KEYSC",
+ .start = 0xe61b0000,
+ .end = 0xe61b0063,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 79,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device keysc_device = {
+ .name = "sh_keysc",
+ .id = 0, /* "keysc0" clock */
+ .num_resources = ARRAY_SIZE(keysc_resources),
+ .resource = keysc_resources,
+ .dev = {
+ .platform_data = &keysc_info,
+ },
+};
+
+/* SDHI0 */
+static struct resource sdhi0_resources[] = {
+ [0] = {
+ .name = "SDHI0",
+ .start = 0xe6850000,
+ .end = 0xe68501ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 96,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device sdhi0_device = {
+ .name = "sh_mobile_sdhi",
+ .num_resources = ARRAY_SIZE(sdhi0_resources),
+ .resource = sdhi0_resources,
+ .id = 0,
+};
+
+static struct platform_device *ap4evb_devices[] __initdata = {
+ &nor_flash_device,
+ &smc911x_device,
+ &keysc_device,
+ &sdhi0_device,
+};
+
+static struct map_desc ap4evb_io_desc[] __initdata = {
+ /* create a 1:1 entity map for 0xe6xxxxxx
+ * used by CPGA, INTC and PFC.
+ */
+ {
+ .virtual = 0xe6000000,
+ .pfn = __phys_to_pfn(0xe6000000),
+ .length = 256 << 20,
+ .type = MT_DEVICE_NONSHARED
+ },
+};
+
+static void __init ap4evb_map_io(void)
+{
+ iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
+
+ /* setup early devices, clocks and console here as well */
+ sh7372_add_early_devices();
+ sh7367_clock_init(); /* use g3 clocks for now */
+ shmobile_setup_console();
+}
+
+static void __init ap4evb_init(void)
+{
+ sh7372_pinmux_init();
+
+ /* enable SCIFA0 */
+ gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
+ gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
+
+ /* enable SMSC911X */
+ gpio_request(GPIO_FN_CS5A, NULL);
+ gpio_request(GPIO_FN_IRQ6_39, NULL);
+
+ /* enable LED 1 - 4 */
+ gpio_request(GPIO_PORT185, NULL);
+ gpio_request(GPIO_PORT186, NULL);
+ gpio_request(GPIO_PORT187, NULL);
+ gpio_request(GPIO_PORT188, NULL);
+ gpio_direction_output(GPIO_PORT185, 1);
+ gpio_direction_output(GPIO_PORT186, 1);
+ gpio_direction_output(GPIO_PORT187, 1);
+ gpio_direction_output(GPIO_PORT188, 1);
+ gpio_export(GPIO_PORT185, 0);
+ gpio_export(GPIO_PORT186, 0);
+ gpio_export(GPIO_PORT187, 0);
+ gpio_export(GPIO_PORT188, 0);
+
+ /* enable Debug switch (S6) */
+ gpio_request(GPIO_PORT32, NULL);
+ gpio_request(GPIO_PORT33, NULL);
+ gpio_request(GPIO_PORT34, NULL);
+ gpio_request(GPIO_PORT35, NULL);
+ gpio_direction_input(GPIO_PORT32);
+ gpio_direction_input(GPIO_PORT33);
+ gpio_direction_input(GPIO_PORT34);
+ gpio_direction_input(GPIO_PORT35);
+ gpio_export(GPIO_PORT32, 0);
+ gpio_export(GPIO_PORT33, 0);
+ gpio_export(GPIO_PORT34, 0);
+ gpio_export(GPIO_PORT35, 0);
+
+ /* enable KEYSC */
+ gpio_request(GPIO_FN_KEYOUT0, NULL);
+ gpio_request(GPIO_FN_KEYOUT1, NULL);
+ gpio_request(GPIO_FN_KEYOUT2, NULL);
+ gpio_request(GPIO_FN_KEYOUT3, NULL);
+ gpio_request(GPIO_FN_KEYOUT4, NULL);
+ gpio_request(GPIO_FN_KEYIN0_136, NULL);
+ gpio_request(GPIO_FN_KEYIN1_135, NULL);
+ gpio_request(GPIO_FN_KEYIN2_134, NULL);
+ gpio_request(GPIO_FN_KEYIN3_133, NULL);
+ gpio_request(GPIO_FN_KEYIN4, NULL);
+
+ /* SDHI0 */
+ gpio_request(GPIO_FN_SDHICD0, NULL);
+ gpio_request(GPIO_FN_SDHIWP0, NULL);
+ gpio_request(GPIO_FN_SDHICMD0, NULL);
+ gpio_request(GPIO_FN_SDHICLK0, NULL);
+ gpio_request(GPIO_FN_SDHID0_3, NULL);
+ gpio_request(GPIO_FN_SDHID0_2, NULL);
+ gpio_request(GPIO_FN_SDHID0_1, NULL);
+ gpio_request(GPIO_FN_SDHID0_0, NULL);
+
+ sh7372_add_standard_devices();
+
+ platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
+}
+
+MACHINE_START(AP4EVB, "ap4evb")
+ .phys_io = 0xe6000000,
+ .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
+ .map_io = ap4evb_map_io,
+ .init_irq = sh7372_init_irq,
+ .init_machine = ap4evb_init,
+ .timer = &shmobile_timer,
+MACHINE_END