// 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