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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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323cdfc191
Add platform device data for the SA11x0 MCP device. This allows platforms to customise the configuration of the SA11x0 MCP device according to their needs. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
/*
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* linux/arch/arm/mach-sa1100/shannon.c
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*/
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#include <linux/config.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/kernel.h>
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#include <linux/tty.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <asm/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/setup.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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#include <asm/mach/map.h>
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#include <asm/mach/serial_sa1100.h>
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#include <asm/arch/mcp.h>
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#include <asm/arch/shannon.h>
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#include "generic.h"
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static struct mtd_partition shannon_partitions[] = {
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{
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.name = "BLOB boot loader",
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.offset = 0,
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.size = 0x20000
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 0xe0000
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},
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{
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.name = "initrd",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL
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}
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};
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static struct flash_platform_data shannon_flash_data = {
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.map_name = "cfi_probe",
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.parts = shannon_partitions,
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.nr_parts = ARRAY_SIZE(shannon_partitions),
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};
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static struct resource shannon_flash_resource = {
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.start = SA1100_CS0_PHYS,
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.end = SA1100_CS0_PHYS + SZ_4M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct mcp_plat_data shannon_mcp_data = {
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.mccr0 = MCCR0_ADM,
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.sclk_rate = 11981000,
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};
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static void __init shannon_init(void)
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{
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sa11x0_set_flash_data(&shannon_flash_data, &shannon_flash_resource, 1);
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sa11x0_set_mcp_data(&shannon_mcp_data);
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}
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static void __init shannon_map_io(void)
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{
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sa1100_map_io();
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sa1100_register_uart(0, 3);
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sa1100_register_uart(1, 1);
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Ser1SDCR0 |= SDCR0_SUS;
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GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
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GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
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GPDR &= ~GPIO_UART_RXD;
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PPAR |= PPAR_UPR;
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/* reset the codec */
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GPCR = SHANNON_GPIO_CODEC_RESET;
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GPSR = SHANNON_GPIO_CODEC_RESET;
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}
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MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
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.phys_ram = 0xc0000000,
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.phys_io = 0x80000000,
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.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
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.boot_params = 0xc0000100,
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.map_io = shannon_map_io,
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.init_irq = sa1100_init_irq,
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.timer = &sa1100_timer,
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.init_machine = shannon_init,
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MACHINE_END
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