mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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612544fbde
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
224 lines
5.1 KiB
C
224 lines
5.1 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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*/
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#include <linux/dma-mapping.h>
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/irqchip/mips-gic.h>
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#include <linux/leds.h>
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#include <linux/mtd/physmap.h>
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#include <linux/platform_device.h>
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#include <linux/serial_8250.h>
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#include <linux/smsc911x.h>
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#include <asm/mips-boards/sead3int.h>
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#define UART(base) \
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{ \
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.mapbase = base, \
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.irq = -1, \
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.uartclk = 14745600, \
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.iotype = UPIO_MEM32, \
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.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, \
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.regshift = 2, \
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}
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static struct plat_serial8250_port uart8250_data[] = {
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UART(0x1f000900), /* ttyS0 = USB */
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UART(0x1f000800), /* ttyS1 = RS232 */
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{ },
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};
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static struct platform_device uart8250_device = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM2,
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.dev = {
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.platform_data = uart8250_data,
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},
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};
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static struct smsc911x_platform_config sead3_smsc911x_data = {
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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};
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static struct resource sead3_net_resources[] = {
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{
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.start = 0x1f010000,
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.end = 0x1f01ffff,
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.flags = IORESOURCE_MEM
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}, {
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.flags = IORESOURCE_IRQ
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}
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};
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static struct platform_device sead3_net_device = {
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.name = "smsc911x",
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.id = 0,
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.dev = {
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.platform_data = &sead3_smsc911x_data,
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},
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.num_resources = ARRAY_SIZE(sead3_net_resources),
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.resource = sead3_net_resources
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};
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static struct mtd_partition sead3_mtd_partitions[] = {
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{
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.name = "User FS",
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.offset = 0x00000000,
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.size = 0x01fc0000,
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}, {
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.name = "Board Config",
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.offset = 0x01fc0000,
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.size = 0x00040000,
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.mask_flags = MTD_WRITEABLE
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},
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};
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static struct physmap_flash_data sead3_flash_data = {
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.width = 4,
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.nr_parts = ARRAY_SIZE(sead3_mtd_partitions),
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.parts = sead3_mtd_partitions
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};
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static struct resource sead3_flash_resource = {
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.start = 0x1c000000,
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.end = 0x1dffffff,
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.flags = IORESOURCE_MEM
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};
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static struct platform_device sead3_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &sead3_flash_data,
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},
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.num_resources = 1,
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.resource = &sead3_flash_resource,
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};
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#define LEDFLAGS(bits, shift) \
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((bits << 8) | (shift << 8))
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#define LEDBITS(id, shift, bits) \
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.name = id #shift, \
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.flags = LEDFLAGS(bits, shift)
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static struct led_info led_data_info[] = {
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{ LEDBITS("bit", 0, 1) },
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{ LEDBITS("bit", 1, 1) },
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{ LEDBITS("bit", 2, 1) },
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{ LEDBITS("bit", 3, 1) },
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{ LEDBITS("bit", 4, 1) },
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{ LEDBITS("bit", 5, 1) },
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{ LEDBITS("bit", 6, 1) },
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{ LEDBITS("bit", 7, 1) },
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{ LEDBITS("all", 0, 8) },
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};
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static struct led_platform_data led_data = {
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.num_leds = ARRAY_SIZE(led_data_info),
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.leds = led_data_info
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};
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static struct resource pled_resources[] = {
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{
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.start = 0x1f000210,
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.end = 0x1f000217,
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.flags = IORESOURCE_MEM
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}
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};
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static struct platform_device pled_device = {
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.name = "sead3::pled",
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.id = 0,
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.dev = {
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.platform_data = &led_data,
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},
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.num_resources = ARRAY_SIZE(pled_resources),
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.resource = pled_resources
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};
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static struct resource fled_resources[] = {
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{
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.start = 0x1f000218,
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.end = 0x1f00021f,
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.flags = IORESOURCE_MEM
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}
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};
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static struct platform_device fled_device = {
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.name = "sead3::fled",
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.id = 0,
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.dev = {
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.platform_data = &led_data,
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},
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.num_resources = ARRAY_SIZE(fled_resources),
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.resource = fled_resources
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};
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static struct platform_device sead3_led_device = {
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.name = "sead3-led",
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.id = -1,
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};
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static struct resource ehci_resources[] = {
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{
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.start = 0x1b200000,
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.end = 0x1b200fff,
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.flags = IORESOURCE_MEM
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}, {
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.flags = IORESOURCE_IRQ
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}
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};
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static u64 sead3_usbdev_dma_mask = DMA_BIT_MASK(32);
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static struct platform_device ehci_device = {
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.name = "sead3-ehci",
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.id = 0,
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.dev = {
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.dma_mask = &sead3_usbdev_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32)
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},
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.num_resources = ARRAY_SIZE(ehci_resources),
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.resource = ehci_resources
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};
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static struct platform_device *sead3_platform_devices[] __initdata = {
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&uart8250_device,
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&sead3_flash,
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&pled_device,
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&fled_device,
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&sead3_led_device,
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&ehci_device,
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&sead3_net_device,
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};
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static int __init sead3_platforms_device_init(void)
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{
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if (gic_present) {
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uart8250_data[0].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART0;
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uart8250_data[1].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART1;
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ehci_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_EHCI;
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sead3_net_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_NET;
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} else {
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uart8250_data[0].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART0;
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uart8250_data[1].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART1;
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ehci_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_EHCI;
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sead3_net_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_NET;
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}
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return platform_add_devices(sead3_platform_devices,
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ARRAY_SIZE(sead3_platform_devices));
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}
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device_initcall(sead3_platforms_device_init);
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