diff options
Diffstat (limited to 'arch/arm/mach-cns3xxx/cns3420vb.c')
| -rw-r--r-- | arch/arm/mach-cns3xxx/cns3420vb.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/arch/arm/mach-cns3xxx/cns3420vb.c b/arch/arm/mach-cns3xxx/cns3420vb.c deleted file mode 100644 index 9099560aa462..000000000000 --- a/arch/arm/mach-cns3xxx/cns3420vb.c +++ /dev/null @@ -1,252 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Cavium Networks CNS3420 Validation Board - * - * Copyright 2000 Deep Blue Solutions Ltd - * Copyright 2008 ARM Limited - * Copyright 2008 Cavium Networks - * Scott Shu - * Copyright 2010 MontaVista Software, LLC. - * Anton Vorontsov <avorontsov@mvista.com> - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/compiler.h> -#include <linux/io.h> -#include <linux/dma-mapping.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/physmap.h> -#include <linux/mtd/partitions.h> -#include <linux/usb/ehci_pdriver.h> -#include <linux/usb/ohci_pdriver.h> -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/time.h> -#include "cns3xxx.h" -#include "pm.h" -#include "core.h" -#include "devices.h" - -/* - * NOR Flash - */ -static struct mtd_partition cns3420_nor_partitions[] = { - { - .name = "uboot", - .size = 0x00040000, - .offset = 0, - .mask_flags = MTD_WRITEABLE, - }, { - .name = "kernel", - .size = 0x004C0000, - .offset = MTDPART_OFS_APPEND, - }, { - .name = "filesystem", - .size = 0x7000000, - .offset = MTDPART_OFS_APPEND, - }, { - .name = "filesystem2", - .size = 0x0AE0000, - .offset = MTDPART_OFS_APPEND, - }, { - .name = "ubootenv", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - }, -}; - -static struct physmap_flash_data cns3420_nor_pdata = { - .width = 2, - .parts = cns3420_nor_partitions, - .nr_parts = ARRAY_SIZE(cns3420_nor_partitions), -}; - -static struct resource cns3420_nor_res = { - .start = CNS3XXX_FLASH_BASE, - .end = CNS3XXX_FLASH_BASE + SZ_128M - 1, - .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT, -}; - -static struct platform_device cns3420_nor_pdev = { - .name = "physmap-flash", - .id = 0, - .resource = &cns3420_nor_res, - .num_resources = 1, - .dev = { - .platform_data = &cns3420_nor_pdata, - }, -}; - -/* - * UART - */ -static void __init cns3420_early_serial_setup(void) -{ -#ifdef CONFIG_SERIAL_8250_CONSOLE - static struct uart_port cns3420_serial_port = { - .membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT, - .mapbase = CNS3XXX_UART0_BASE, - .irq = IRQ_CNS3XXX_UART0, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, - .regshift = 2, - .uartclk = 24000000, - .line = 0, - .type = PORT_16550A, - .fifosize = 16, - }; - - early_serial_setup(&cns3420_serial_port); -#endif -} - -/* - * USB - */ -static struct resource cns3xxx_usb_ehci_resources[] = { - [0] = { - .start = CNS3XXX_USB_BASE, - .end = CNS3XXX_USB_BASE + SZ_16M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CNS3XXX_USB_EHCI, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32); - -static int csn3xxx_usb_power_on(struct platform_device *pdev) -{ - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - * - * Set USB AHB INCR length to 16 - */ - if (atomic_inc_return(&usb_pwr_ref) == 1) { - cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); - cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); - cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST); - __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)), - MISC_CHIP_CONFIG_REG); - } - - return 0; -} - -static void csn3xxx_usb_power_off(struct platform_device *pdev) -{ - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - */ - if (atomic_dec_return(&usb_pwr_ref) == 0) - cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); -} - -static struct usb_ehci_pdata cns3xxx_usb_ehci_pdata = { - .power_on = csn3xxx_usb_power_on, - .power_off = csn3xxx_usb_power_off, -}; - -static struct platform_device cns3xxx_usb_ehci_device = { - .name = "ehci-platform", - .num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources), - .resource = cns3xxx_usb_ehci_resources, - .dev = { - .dma_mask = &cns3xxx_usb_ehci_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &cns3xxx_usb_ehci_pdata, - }, -}; - -static struct resource cns3xxx_usb_ohci_resources[] = { - [0] = { - .start = CNS3XXX_USB_OHCI_BASE, - .end = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CNS3XXX_USB_OHCI, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32); - -static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = { - .num_ports = 1, - .power_on = csn3xxx_usb_power_on, - .power_off = csn3xxx_usb_power_off, -}; - -static struct platform_device cns3xxx_usb_ohci_device = { - .name = "ohci-platform", - .num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources), - .resource = cns3xxx_usb_ohci_resources, - .dev = { - .dma_mask = &cns3xxx_usb_ohci_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &cns3xxx_usb_ohci_pdata, - }, -}; - -/* - * Initialization - */ -static struct platform_device *cns3420_pdevs[] __initdata = { - &cns3420_nor_pdev, - &cns3xxx_usb_ehci_device, - &cns3xxx_usb_ohci_device, -}; - -static void __init cns3420_init(void) -{ - cns3xxx_l2x0_init(); - - platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs)); - - cns3xxx_ahci_init(); - cns3xxx_sdhci_init(); - - pm_power_off = cns3xxx_power_off; -} - -static struct map_desc cns3420_io_desc[] __initdata = { - { - .virtual = CNS3XXX_UART0_BASE_VIRT, - .pfn = __phys_to_pfn(CNS3XXX_UART0_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, -}; - -static void __init cns3420_map_io(void) -{ - cns3xxx_map_io(); - iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc)); - - cns3420_early_serial_setup(); -} - -MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board") - .atag_offset = 0x100, - .map_io = cns3420_map_io, - .init_irq = cns3xxx_init_irq, - .init_time = cns3xxx_timer_init, - .init_machine = cns3420_init, - .init_late = cns3xxx_pcie_init_late, - .restart = cns3xxx_restart, -MACHINE_END |