^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/arch/arm/mach-sa1100/pleb.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/tty.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/platform_data/sa11x0-serial.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/mtd/partitions.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/smc91x.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <mach/hardware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <asm/mach/flash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <mach/irqs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include "generic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * Ethernet IRQ mappings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define PLEB_ETH0_P (0x20000300) /* Ethernet 0 in PCMCIA0 IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define PLEB_ETH0_V (0xf6000300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define GPIO_ETH0_IRQ GPIO_GPIO(21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define GPIO_ETH0_EN GPIO_GPIO(26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static struct resource smc91x_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) [0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) [1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static struct smc91x_platdata smc91x_platdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .flags = SMC91X_USE_16BIT | SMC91X_USE_8BIT | SMC91X_NOWAIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static struct platform_device smc91x_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .name = "smc91x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .num_resources = ARRAY_SIZE(smc91x_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .resource = smc91x_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .platform_data = &smc91x_platdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct platform_device *devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) &smc91x_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * Pleb's memory map
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * has flash memory (typically 4 or 8 meg) selected by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * the two SA1100 lowest chip select outputs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static struct resource pleb_flash_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) [0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) [1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static struct mtd_partition pleb_partitions[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .name = "blob",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .offset = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .size = 0x00020000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .name = "kernel",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .offset = MTDPART_OFS_APPEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .size = 0x000e0000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .name = "rootfs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .offset = MTDPART_OFS_APPEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .size = 0x00300000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static struct flash_platform_data pleb_flash_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .map_name = "cfi_probe",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .parts = pleb_partitions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .nr_parts = ARRAY_SIZE(pleb_partitions),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static void __init pleb_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) ARRAY_SIZE(pleb_flash_resources));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) platform_add_devices(devices, ARRAY_SIZE(devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) static void __init pleb_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) sa1100_map_io();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) sa1100_register_uart(0, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) sa1100_register_uart(1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) GPDR |= GPIO_UART_TXD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) GPDR &= ~GPIO_UART_RXD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) PPAR |= PPAR_UPR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * Fix expansion memory timing for network card
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) MECR = ((2<<10) | (2<<5) | (2<<0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * Enable the SMC ethernet controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) GPDR |= GPIO_ETH0_EN; /* set to output */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) GPDR &= ~GPIO_ETH0_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) MACHINE_START(PLEB, "PLEB")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .map_io = pleb_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .nr_irqs = SA1100_NR_IRQS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .init_irq = sa1100_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) .init_time = sa1100_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) .init_machine = pleb_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .init_late = sa11x0_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .restart = sa11x0_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) MACHINE_END
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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