forked from Minki/linux
7e3819d820
Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
466 lines
12 KiB
C
466 lines
12 KiB
C
/*
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* arch/arm/plat-orion/common.c
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*
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* Marvell Orion SoC common setup code used by multiple mach-/common.c
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <linux/serial_8250.h>
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#include <linux/mbus.h>
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#include <linux/mv643xx_eth.h>
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#include <net/dsa.h>
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/* Fill in the resources structure and link it into the platform
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device structure. There is always a memory region, and nearly
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always an interrupt.*/
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static void fill_resources(struct platform_device *device,
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struct resource *resources,
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resource_size_t mapbase,
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resource_size_t size,
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unsigned int irq)
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{
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device->resource = resources;
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device->num_resources = 1;
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resources[0].flags = IORESOURCE_MEM;
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resources[0].start = mapbase;
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resources[0].end = mapbase + size;
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if (irq != NO_IRQ) {
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device->num_resources++;
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resources[1].flags = IORESOURCE_IRQ;
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resources[1].start = irq;
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resources[1].end = irq;
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}
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}
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/*****************************************************************************
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* UART
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****************************************************************************/
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static void __init uart_complete(
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struct platform_device *orion_uart,
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struct plat_serial8250_port *data,
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struct resource *resources,
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unsigned int membase,
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resource_size_t mapbase,
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unsigned int irq,
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unsigned int uartclk)
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{
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data->mapbase = mapbase;
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data->membase = (void __iomem *)membase;
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data->irq = irq;
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data->uartclk = uartclk;
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orion_uart->dev.platform_data = data;
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fill_resources(orion_uart, resources, mapbase, 0xff, irq);
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platform_device_register(orion_uart);
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}
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/*****************************************************************************
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* UART0
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****************************************************************************/
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static struct plat_serial8250_port orion_uart0_data[] = {
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{
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.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
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.iotype = UPIO_MEM,
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.regshift = 2,
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}, {
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},
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};
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static struct resource orion_uart0_resources[2];
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static struct platform_device orion_uart0 = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM,
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};
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void __init orion_uart0_init(unsigned int membase,
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resource_size_t mapbase,
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unsigned int irq,
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unsigned int uartclk)
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{
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uart_complete(&orion_uart0, orion_uart0_data, orion_uart0_resources,
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membase, mapbase, irq, uartclk);
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}
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/*****************************************************************************
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* UART1
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****************************************************************************/
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static struct plat_serial8250_port orion_uart1_data[] = {
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{
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.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
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.iotype = UPIO_MEM,
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.regshift = 2,
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}, {
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},
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};
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static struct resource orion_uart1_resources[2];
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static struct platform_device orion_uart1 = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM1,
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};
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void __init orion_uart1_init(unsigned int membase,
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resource_size_t mapbase,
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unsigned int irq,
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unsigned int uartclk)
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{
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uart_complete(&orion_uart1, orion_uart1_data, orion_uart1_resources,
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membase, mapbase, irq, uartclk);
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}
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/*****************************************************************************
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* UART2
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****************************************************************************/
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static struct plat_serial8250_port orion_uart2_data[] = {
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{
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.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
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.iotype = UPIO_MEM,
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.regshift = 2,
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}, {
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},
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};
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static struct resource orion_uart2_resources[2];
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static struct platform_device orion_uart2 = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM2,
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};
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void __init orion_uart2_init(unsigned int membase,
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resource_size_t mapbase,
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unsigned int irq,
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unsigned int uartclk)
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{
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uart_complete(&orion_uart2, orion_uart2_data, orion_uart2_resources,
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membase, mapbase, irq, uartclk);
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}
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/*****************************************************************************
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* UART3
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****************************************************************************/
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static struct plat_serial8250_port orion_uart3_data[] = {
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{
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.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
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.iotype = UPIO_MEM,
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.regshift = 2,
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}, {
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},
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};
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static struct resource orion_uart3_resources[2];
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static struct platform_device orion_uart3 = {
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.name = "serial8250",
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.id = 3,
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};
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void __init orion_uart3_init(unsigned int membase,
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resource_size_t mapbase,
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unsigned int irq,
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unsigned int uartclk)
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{
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uart_complete(&orion_uart3, orion_uart3_data, orion_uart3_resources,
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membase, mapbase, irq, uartclk);
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}
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/*****************************************************************************
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* SoC RTC
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****************************************************************************/
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static struct resource orion_rtc_resource[2];
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void __init orion_rtc_init(unsigned long mapbase,
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unsigned long irq)
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{
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orion_rtc_resource[0].start = mapbase;
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orion_rtc_resource[0].end = mapbase + SZ_32 - 1;
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orion_rtc_resource[0].flags = IORESOURCE_MEM;
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orion_rtc_resource[1].start = irq;
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orion_rtc_resource[1].end = irq;
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orion_rtc_resource[1].flags = IORESOURCE_IRQ;
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platform_device_register_simple("rtc-mv", -1, orion_rtc_resource, 2);
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}
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/*****************************************************************************
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* GE
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****************************************************************************/
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static __init void ge_complete(
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struct mv643xx_eth_shared_platform_data *orion_ge_shared_data,
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struct mbus_dram_target_info *mbus_dram_info, int tclk,
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struct resource *orion_ge_resource, unsigned long irq,
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struct platform_device *orion_ge_shared,
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struct mv643xx_eth_platform_data *eth_data,
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struct platform_device *orion_ge)
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{
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orion_ge_shared_data->dram = mbus_dram_info;
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orion_ge_shared_data->t_clk = tclk;
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orion_ge_resource->start = irq;
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orion_ge_resource->end = irq;
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eth_data->shared = orion_ge_shared;
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orion_ge->dev.platform_data = eth_data;
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platform_device_register(orion_ge_shared);
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platform_device_register(orion_ge);
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}
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/*****************************************************************************
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* GE00
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****************************************************************************/
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struct mv643xx_eth_shared_platform_data orion_ge00_shared_data;
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static struct resource orion_ge00_shared_resources[] = {
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{
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.name = "ge00 base",
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}, {
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.name = "ge00 err irq",
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},
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};
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static struct platform_device orion_ge00_shared = {
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.name = MV643XX_ETH_SHARED_NAME,
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.id = 0,
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.dev = {
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.platform_data = &orion_ge00_shared_data,
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},
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};
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static struct resource orion_ge00_resources[] = {
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{
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.name = "ge00 irq",
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device orion_ge00 = {
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.name = MV643XX_ETH_NAME,
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.id = 0,
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.num_resources = 1,
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.resource = orion_ge00_resources,
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.dev = {
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
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struct mbus_dram_target_info *mbus_dram_info,
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unsigned long mapbase,
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unsigned long irq,
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unsigned long irq_err,
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int tclk)
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{
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fill_resources(&orion_ge00_shared, orion_ge00_shared_resources,
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mapbase + 0x2000, SZ_16K - 1, irq_err);
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ge_complete(&orion_ge00_shared_data, mbus_dram_info, tclk,
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orion_ge00_resources, irq, &orion_ge00_shared,
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eth_data, &orion_ge00);
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}
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/*****************************************************************************
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* GE01
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****************************************************************************/
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struct mv643xx_eth_shared_platform_data orion_ge01_shared_data = {
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.shared_smi = &orion_ge00_shared,
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};
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static struct resource orion_ge01_shared_resources[] = {
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{
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.name = "ge01 base",
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}, {
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.name = "ge01 err irq",
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},
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};
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static struct platform_device orion_ge01_shared = {
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.name = MV643XX_ETH_SHARED_NAME,
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.id = 1,
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.dev = {
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.platform_data = &orion_ge01_shared_data,
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},
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};
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static struct resource orion_ge01_resources[] = {
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{
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.name = "ge01 irq",
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device orion_ge01 = {
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.name = MV643XX_ETH_NAME,
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.id = 1,
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.num_resources = 1,
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.resource = orion_ge01_resources,
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.dev = {
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
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struct mbus_dram_target_info *mbus_dram_info,
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unsigned long mapbase,
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unsigned long irq,
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unsigned long irq_err,
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int tclk)
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{
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fill_resources(&orion_ge01_shared, orion_ge01_shared_resources,
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mapbase + 0x2000, SZ_16K - 1, irq_err);
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ge_complete(&orion_ge01_shared_data, mbus_dram_info, tclk,
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orion_ge01_resources, irq, &orion_ge01_shared,
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eth_data, &orion_ge01);
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}
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/*****************************************************************************
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* GE10
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****************************************************************************/
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struct mv643xx_eth_shared_platform_data orion_ge10_shared_data = {
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.shared_smi = &orion_ge00_shared,
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};
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static struct resource orion_ge10_shared_resources[] = {
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{
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.name = "ge10 base",
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}, {
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.name = "ge10 err irq",
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},
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};
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static struct platform_device orion_ge10_shared = {
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.name = MV643XX_ETH_SHARED_NAME,
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.id = 1,
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.dev = {
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.platform_data = &orion_ge10_shared_data,
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},
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};
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static struct resource orion_ge10_resources[] = {
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{
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.name = "ge10 irq",
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device orion_ge10 = {
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.name = MV643XX_ETH_NAME,
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.id = 1,
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.num_resources = 2,
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.resource = orion_ge10_resources,
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.dev = {
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data,
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struct mbus_dram_target_info *mbus_dram_info,
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unsigned long mapbase,
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unsigned long irq,
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unsigned long irq_err,
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int tclk)
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{
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fill_resources(&orion_ge10_shared, orion_ge10_shared_resources,
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mapbase + 0x2000, SZ_16K - 1, irq_err);
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ge_complete(&orion_ge10_shared_data, mbus_dram_info, tclk,
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orion_ge10_resources, irq, &orion_ge10_shared,
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eth_data, &orion_ge10);
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}
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/*****************************************************************************
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* GE11
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****************************************************************************/
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struct mv643xx_eth_shared_platform_data orion_ge11_shared_data = {
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.shared_smi = &orion_ge00_shared,
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};
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static struct resource orion_ge11_shared_resources[] = {
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{
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.name = "ge11 base",
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}, {
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.name = "ge11 err irq",
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},
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};
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static struct platform_device orion_ge11_shared = {
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.name = MV643XX_ETH_SHARED_NAME,
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.id = 1,
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.dev = {
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.platform_data = &orion_ge11_shared_data,
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},
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};
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static struct resource orion_ge11_resources[] = {
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{
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.name = "ge11 irq",
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device orion_ge11 = {
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.name = MV643XX_ETH_NAME,
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.id = 1,
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.num_resources = 2,
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.resource = orion_ge11_resources,
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.dev = {
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
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struct mbus_dram_target_info *mbus_dram_info,
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unsigned long mapbase,
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unsigned long irq,
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unsigned long irq_err,
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int tclk)
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{
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fill_resources(&orion_ge11_shared, orion_ge11_shared_resources,
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mapbase + 0x2000, SZ_16K - 1, irq_err);
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ge_complete(&orion_ge11_shared_data, mbus_dram_info, tclk,
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orion_ge11_resources, irq, &orion_ge11_shared,
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eth_data, &orion_ge11);
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}
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/*****************************************************************************
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* Ethernet switch
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****************************************************************************/
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static struct resource orion_switch_resources[] = {
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{
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.start = 0,
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.end = 0,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device orion_switch_device = {
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.name = "dsa",
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.id = 0,
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.num_resources = 0,
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.resource = orion_switch_resources,
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};
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void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)
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{
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int i;
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if (irq != NO_IRQ) {
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orion_switch_resources[0].start = irq;
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orion_switch_resources[0].end = irq;
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orion_switch_device.num_resources = 1;
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}
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d->netdev = &orion_ge00.dev;
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for (i = 0; i < d->nr_chips; i++)
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d->chip[i].mii_bus = &orion_ge00_shared.dev;
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orion_switch_device.dev.platform_data = d;
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platform_device_register(&orion_switch_device);
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}
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