diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-ag5evm.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-ag5evm.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c new file mode 100644 index 00000000000..bade04accc8 --- /dev/null +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -0,0 +1,159 @@ +/* + * arch/arm/mach-shmobile/board-ag5evm.c + * + * Copyright (C) 2010 Takashi Yoshii <yoshii.takashi.zj@renesas.com> + * Copyright (C) 2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.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; 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/io.h> +#include <linux/dma-mapping.h> +#include <linux/serial_sci.h> +#include <linux/smsc911x.h> +#include <linux/gpio.h> +#include <mach/hardware.h> +#include <mach/sh73a0.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/hardware/gic.h> +#include <asm/hardware/cache-l2x0.h> +#include <asm/traps.h> + +static struct resource smsc9220_resources[] = { + [0] = { + .start = 0x14000000, + .end = 0x14000000 + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(33), /* PINT1 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct smsc911x_platform_config smsc9220_platdata = { + .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, + .phy_interface = PHY_INTERFACE_MODE_MII, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, +}; + +static struct platform_device eth_device = { + .name = "smsc911x", + .id = 0, + .dev = { + .platform_data = &smsc9220_platdata, + }, + .resource = smsc9220_resources, + .num_resources = ARRAY_SIZE(smsc9220_resources), +}; + +static struct platform_device *ag5evm_devices[] __initdata = { + ð_device, +}; + +static struct map_desc ag5evm_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 ag5evm_map_io(void) +{ + iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc)); + + /* setup early devices and console here as well */ + sh73a0_add_early_devices(); + shmobile_setup_console(); +} + +#define PINTC_ADDR 0xe6900000 +#define PINTER0A (PINTC_ADDR + 0xa0) +#define PINTCR0A (PINTC_ADDR + 0xb0) + +void __init ag5evm_init_irq(void) +{ + /* setup PINT: enable PINTA2 as active low */ + __raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A); + __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A); + + gic_dist_init(0, __io(0xf0001000), 29); + gic_cpu_init(0, __io(0xf0000100)); +} + +#define PORT144CR 0xe6052090 +#define PORT145CR 0xe6052091 + +#define PORT154CR 0xe605209a +#define PORT155CR 0xe605209b +#define PORT156CR 0xe605209c +#define PORT157CR 0xe605209d + +#define PORTR159_128DR 0xe6056004 + +static void __init ag5evm_init(void) +{ + /* enable SCIFA2 */ + __raw_writeb(0x12, PORT154CR); /* TXD */ + __raw_writeb(0x22, PORT155CR); /* RXD */ + __raw_writeb(0x12, PORT156CR); /* RTS */ + __raw_writeb(0x22, PORT157CR); /* CTS */ + + /* enable SMSC911X */ + __raw_writeb(0x20, PORT144CR); /* PINTA2 */ + __raw_writeb(0x10, PORT145CR); /* RESET */ + __raw_writel(__raw_readl(PORTR159_128DR) & ~(1 << 17), PORTR159_128DR); + +#ifdef CONFIG_CACHE_L2X0 + /* Shared attribute override enable, 64K*8way */ + l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff); +#endif + sh73a0_add_standard_devices(); + platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices)); +} + +static void __init ag5evm_timer_init(void) +{ + sh73a0_clock_init(); + shmobile_timer.init(); + return; +} + +struct sys_timer ag5evm_timer = { + .init = ag5evm_timer_init, +}; + +MACHINE_START(AG5EVM, "ag5evm") + .map_io = ag5evm_map_io, + .init_irq = ag5evm_init_irq, + .init_machine = ag5evm_init, + .timer = &ag5evm_timer, +MACHINE_END |