forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
148 lines
3.1 KiB
148 lines
3.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
|
* linux/arch/arm/mach-sa1100/pleb.c |
|
*/ |
|
|
|
#include <linux/init.h> |
|
#include <linux/kernel.h> |
|
#include <linux/tty.h> |
|
#include <linux/ioport.h> |
|
#include <linux/platform_data/sa11x0-serial.h> |
|
#include <linux/platform_device.h> |
|
#include <linux/irq.h> |
|
#include <linux/io.h> |
|
#include <linux/mtd/partitions.h> |
|
#include <linux/smc91x.h> |
|
|
|
#include <mach/hardware.h> |
|
#include <asm/setup.h> |
|
#include <asm/mach-types.h> |
|
|
|
#include <asm/mach/arch.h> |
|
#include <asm/mach/map.h> |
|
#include <asm/mach/flash.h> |
|
#include <mach/irqs.h> |
|
|
|
#include "generic.h" |
|
|
|
|
|
/* |
|
* Ethernet IRQ mappings |
|
*/ |
|
|
|
#define PLEB_ETH0_P (0x20000300) /* Ethernet 0 in PCMCIA0 IO */ |
|
#define PLEB_ETH0_V (0xf6000300) |
|
|
|
#define GPIO_ETH0_IRQ GPIO_GPIO(21) |
|
#define GPIO_ETH0_EN GPIO_GPIO(26) |
|
|
|
#define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21 |
|
|
|
static struct resource smc91x_resources[] = { |
|
[0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000), |
|
#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */ |
|
[1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ), |
|
#endif |
|
}; |
|
|
|
static struct smc91x_platdata smc91x_platdata = { |
|
.flags = SMC91X_USE_16BIT | SMC91X_USE_8BIT | SMC91X_NOWAIT, |
|
}; |
|
|
|
static struct platform_device smc91x_device = { |
|
.name = "smc91x", |
|
.id = 0, |
|
.num_resources = ARRAY_SIZE(smc91x_resources), |
|
.resource = smc91x_resources, |
|
.dev = { |
|
.platform_data = &smc91x_platdata, |
|
}, |
|
}; |
|
|
|
static struct platform_device *devices[] __initdata = { |
|
&smc91x_device, |
|
}; |
|
|
|
|
|
/* |
|
* Pleb's memory map |
|
* has flash memory (typically 4 or 8 meg) selected by |
|
* the two SA1100 lowest chip select outputs. |
|
*/ |
|
static struct resource pleb_flash_resources[] = { |
|
[0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M), |
|
[1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M), |
|
}; |
|
|
|
|
|
static struct mtd_partition pleb_partitions[] = { |
|
{ |
|
.name = "blob", |
|
.offset = 0, |
|
.size = 0x00020000, |
|
}, { |
|
.name = "kernel", |
|
.offset = MTDPART_OFS_APPEND, |
|
.size = 0x000e0000, |
|
}, { |
|
.name = "rootfs", |
|
.offset = MTDPART_OFS_APPEND, |
|
.size = 0x00300000, |
|
} |
|
}; |
|
|
|
|
|
static struct flash_platform_data pleb_flash_data = { |
|
.map_name = "cfi_probe", |
|
.parts = pleb_partitions, |
|
.nr_parts = ARRAY_SIZE(pleb_partitions), |
|
}; |
|
|
|
|
|
static void __init pleb_init(void) |
|
{ |
|
sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources, |
|
ARRAY_SIZE(pleb_flash_resources)); |
|
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices)); |
|
} |
|
|
|
|
|
static void __init pleb_map_io(void) |
|
{ |
|
sa1100_map_io(); |
|
|
|
sa1100_register_uart(0, 3); |
|
sa1100_register_uart(1, 1); |
|
|
|
GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD); |
|
GPDR |= GPIO_UART_TXD; |
|
GPDR &= ~GPIO_UART_RXD; |
|
PPAR |= PPAR_UPR; |
|
|
|
/* |
|
* Fix expansion memory timing for network card |
|
*/ |
|
MECR = ((2<<10) | (2<<5) | (2<<0)); |
|
|
|
/* |
|
* Enable the SMC ethernet controller |
|
*/ |
|
GPDR |= GPIO_ETH0_EN; /* set to output */ |
|
GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */ |
|
|
|
GPDR &= ~GPIO_ETH0_IRQ; |
|
|
|
irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING); |
|
} |
|
|
|
MACHINE_START(PLEB, "PLEB") |
|
.map_io = pleb_map_io, |
|
.nr_irqs = SA1100_NR_IRQS, |
|
.init_irq = sa1100_init_irq, |
|
.init_time = sa1100_timer_init, |
|
.init_machine = pleb_init, |
|
.init_late = sa11x0_init_late, |
|
.restart = sa11x0_restart, |
|
MACHINE_END
|
|
|