diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-g4evm.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-g4evm.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c new file mode 100644 index 00000000000..5acd623f93e --- /dev/null +++ b/arch/arm/mach-shmobile/board-g4evm.c @@ -0,0 +1,211 @@ +/* + * G4EVM 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/usb/r8a66597.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <mach/sh7377.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +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, +}; + +/* USBHS */ +void usb_host_port_power(int port, int power) +{ + if (!power) /* only power-on supported for now */ + return; + + /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ + __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); +} + +static struct r8a66597_platdata usb_host_data = { + .on_chip = 1, + .port_power = usb_host_port_power, +}; + +static struct resource usb_host_resources[] = { + [0] = { + .name = "USBHS", + .start = 0xe6890000, + .end = 0xe68900e5, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 65, + .end = 65, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb_host_device = { + .name = "r8a66597_hcd", + .id = 0, + .dev = { + .platform_data = &usb_host_data, + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(usb_host_resources), + .resource = usb_host_resources, +}; + +static struct platform_device *g4evm_devices[] __initdata = { + &nor_flash_device, + &usb_host_device, +}; + +static struct map_desc g4evm_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 g4evm_map_io(void) +{ + iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); + + /* setup early devices, clocks and console here as well */ + sh7377_add_early_devices(); + sh7367_clock_init(); /* use g3 clocks for now */ + shmobile_setup_console(); +} + +static void __init g4evm_init(void) +{ + sh7377_pinmux_init(); + + /* Lit DS14 LED */ + gpio_request(GPIO_PORT109, NULL); + gpio_direction_output(GPIO_PORT109, 1); + gpio_export(GPIO_PORT109, 1); + + /* Lit DS15 LED */ + gpio_request(GPIO_PORT110, NULL); + gpio_direction_output(GPIO_PORT110, 1); + gpio_export(GPIO_PORT110, 1); + + /* Lit DS16 LED */ + gpio_request(GPIO_PORT112, NULL); + gpio_direction_output(GPIO_PORT112, 1); + gpio_export(GPIO_PORT112, 1); + + /* Lit DS17 LED */ + gpio_request(GPIO_PORT113, NULL); + gpio_direction_output(GPIO_PORT113, 1); + gpio_export(GPIO_PORT113, 1); + + /* USBHS */ + gpio_request(GPIO_FN_VBUS_0, NULL); + gpio_request(GPIO_FN_PWEN, NULL); + gpio_request(GPIO_FN_OVCN, NULL); + gpio_request(GPIO_FN_OVCN2, NULL); + gpio_request(GPIO_FN_EXTLP, NULL); + gpio_request(GPIO_FN_IDIN, NULL); + + /* enable clock in SMSTPCR3 */ + __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c); + + /* setup USB phy */ + __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ + __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ + __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ + __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ + + sh7377_add_standard_devices(); + + platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); +} + +MACHINE_START(G4EVM, "g4evm") + .phys_io = 0xe6000000, + .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, + .map_io = g4evm_map_io, + .init_irq = sh7377_init_irq, + .init_machine = g4evm_init, + .timer = &shmobile_timer, +MACHINE_END |