diff options
Diffstat (limited to 'arch/arm/mach-kirkwood')
23 files changed, 1730 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig new file mode 100644 index 00000000000..3600cd9f051 --- /dev/null +++ b/arch/arm/mach-kirkwood/Kconfig @@ -0,0 +1,25 @@ +if ARCH_KIRKWOOD + +menu "Marvell Kirkwood Implementations" + +config MACH_DB88F6281_BP + bool "Marvell DB-88F6281-BP Development Board" + help + Say 'Y' here if you want your kernel to support the + Marvell DB-88F6281-BP Development Board. + +config MACH_RD88F6192_NAS + bool "Marvell RD-88F6192-NAS Reference Board" + help + Say 'Y' here if you want your kernel to support the + Marvell RD-88F6192-NAS Reference Board. + +config MACH_RD88F6281 + bool "Marvell RD-88F6281 Reference Board" + help + Say 'Y' here if you want your kernel to support the + Marvell RD-88F6281 Reference Board. + +endmenu + +endif diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile new file mode 100644 index 00000000000..e14bf40bfb0 --- /dev/null +++ b/arch/arm/mach-kirkwood/Makefile @@ -0,0 +1,5 @@ +obj-y += common.o addr-map.o irq.o pcie.o + +obj-$(CONFIG_MACH_DB88F6281_BP) += db88f6281-bp-setup.o +obj-$(CONFIG_MACH_RD88F6192_NAS) += rd88f6192-nas-setup.o +obj-$(CONFIG_MACH_RD88F6192_NAS) += rd88f6281-setup.o diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot new file mode 100644 index 00000000000..67039c3e0c4 --- /dev/null +++ b/arch/arm/mach-kirkwood/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-kirkwood/addr-map.c b/arch/arm/mach-kirkwood/addr-map.c new file mode 100644 index 00000000000..5db4f0bbe5e --- /dev/null +++ b/arch/arm/mach-kirkwood/addr-map.c @@ -0,0 +1,147 @@ +/* + * arch/arm/mach-kirkwood/addr-map.c + * + * Address map functions for Marvell Kirkwood SoCs + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/mbus.h> +#include <linux/io.h> +#include <mach/hardware.h> +#include "common.h" + +/* + * Generic Address Decode Windows bit settings + */ +#define TARGET_DDR 0 +#define TARGET_DEV_BUS 1 +#define TARGET_PCIE 4 +#define ATTR_DEV_SPI_ROM 0x1e +#define ATTR_DEV_BOOT 0x1d +#define ATTR_DEV_NAND 0x2f +#define ATTR_DEV_CS3 0x37 +#define ATTR_DEV_CS2 0x3b +#define ATTR_DEV_CS1 0x3d +#define ATTR_DEV_CS0 0x3e +#define ATTR_PCIE_IO 0xe0 +#define ATTR_PCIE_MEM 0xe8 + +/* + * Helpers to get DDR bank info + */ +#define DDR_BASE_CS_OFF(n) (0x0000 + ((n) << 3)) +#define DDR_SIZE_CS_OFF(n) (0x0004 + ((n) << 3)) + +/* + * CPU Address Decode Windows registers + */ +#define WIN_OFF(n) (BRIDGE_VIRT_BASE + 0x0000 + ((n) << 4)) +#define WIN_CTRL_OFF 0x0000 +#define WIN_BASE_OFF 0x0004 +#define WIN_REMAP_LO_OFF 0x0008 +#define WIN_REMAP_HI_OFF 0x000c + + +struct mbus_dram_target_info kirkwood_mbus_dram_info; +static int __initdata win_alloc_count; + +static int __init cpu_win_can_remap(int win) +{ + if (win < 4) + return 1; + + return 0; +} + +static void __init setup_cpu_win(int win, u32 base, u32 size, + u8 target, u8 attr, int remap) +{ + void __iomem *addr = (void __iomem *)WIN_OFF(win); + u32 ctrl; + + base &= 0xffff0000; + ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1; + + writel(base, addr + WIN_BASE_OFF); + writel(ctrl, addr + WIN_CTRL_OFF); + if (cpu_win_can_remap(win)) { + if (remap < 0) + remap = base; + + writel(remap & 0xffff0000, addr + WIN_REMAP_LO_OFF); + writel(0, addr + WIN_REMAP_HI_OFF); + } +} + +void __init kirkwood_setup_cpu_mbus(void) +{ + void __iomem *addr; + int i; + int cs; + + /* + * First, disable and clear windows. + */ + for (i = 0; i < 8; i++) { + addr = (void __iomem *)WIN_OFF(i); + + writel(0, addr + WIN_BASE_OFF); + writel(0, addr + WIN_CTRL_OFF); + if (cpu_win_can_remap(i)) { + writel(0, addr + WIN_REMAP_LO_OFF); + writel(0, addr + WIN_REMAP_HI_OFF); + } + } + + /* + * Setup windows for PCIe IO+MEM space. + */ + setup_cpu_win(0, KIRKWOOD_PCIE_IO_PHYS_BASE, KIRKWOOD_PCIE_IO_SIZE, + TARGET_PCIE, ATTR_PCIE_IO, KIRKWOOD_PCIE_IO_BUS_BASE); + setup_cpu_win(1, KIRKWOOD_PCIE_MEM_PHYS_BASE, KIRKWOOD_PCIE_MEM_SIZE, + TARGET_PCIE, ATTR_PCIE_MEM, -1); + + /* + * Setup window for NAND controller. + */ + setup_cpu_win(2, KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE, + TARGET_DEV_BUS, ATTR_DEV_NAND, -1); + + win_alloc_count = 3; + + /* + * Setup MBUS dram target info. + */ + kirkwood_mbus_dram_info.mbus_dram_target_id = TARGET_DDR; + + addr = (void __iomem *)DDR_WINDOW_CPU_BASE; + + for (i = 0, cs = 0; i < 4; i++) { + u32 base = readl(addr + DDR_BASE_CS_OFF(i)); + u32 size = readl(addr + DDR_SIZE_CS_OFF(i)); + + /* + * Chip select enabled? + */ + if (size & 1) { + struct mbus_dram_window *w; + + w = &kirkwood_mbus_dram_info.cs[cs++]; + w->cs_index = i; + w->mbus_attr = 0xf & ~(1 << i); + w->base = base & 0xffff0000; + w->size = (size | 0x0000ffff) + 1; + } + } + kirkwood_mbus_dram_info.num_cs = cs; +} + +void __init kirkwood_setup_sram_win(u32 base, u32 size) +{ + setup_cpu_win(win_alloc_count++, base, size, 0x03, 0x00, -1); +} diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c new file mode 100644 index 00000000000..85cad05d8c5 --- /dev/null +++ b/arch/arm/mach-kirkwood/common.c @@ -0,0 +1,616 @@ +/* + * arch/arm/mach-kirkwood/common.c + * + * Core functions for Marvell Kirkwood SoCs + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/mbus.h> +#include <linux/mv643xx_eth.h> +#include <linux/ata_platform.h> +#include <linux/spi/orion_spi.h> +#include <asm/page.h> +#include <asm/timex.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <mach/kirkwood.h> +#include <plat/cache-feroceon-l2.h> +#include <plat/ehci-orion.h> +#include <plat/mv_xor.h> +#include <plat/orion_nand.h> +#include <plat/time.h> +#include "common.h" + +/***************************************************************************** + * I/O Address Mapping + ****************************************************************************/ +static struct map_desc kirkwood_io_desc[] __initdata = { + { + .virtual = KIRKWOOD_PCIE_IO_VIRT_BASE, + .pfn = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE), + .length = KIRKWOOD_PCIE_IO_SIZE, + .type = MT_DEVICE, + }, { + .virtual = KIRKWOOD_REGS_VIRT_BASE, + .pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE), + .length = KIRKWOOD_REGS_SIZE, + .type = MT_DEVICE, + }, +}; + +void __init kirkwood_map_io(void) +{ + iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc)); +} + + +/***************************************************************************** + * EHCI + ****************************************************************************/ +static struct orion_ehci_data kirkwood_ehci_data = { + .dram = &kirkwood_mbus_dram_info, +}; + +static u64 ehci_dmamask = 0xffffffffUL; + + +/***************************************************************************** + * EHCI0 + ****************************************************************************/ +static struct resource kirkwood_ehci_resources[] = { + { + .start = USB_PHYS_BASE, + .end = USB_PHYS_BASE + 0x0fff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_KIRKWOOD_USB, + .end = IRQ_KIRKWOOD_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_ehci = { + .name = "orion-ehci", + .id = 0, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &kirkwood_ehci_data, + }, + .resource = kirkwood_ehci_resources, + .num_resources = ARRAY_SIZE(kirkwood_ehci_resources), +}; + +void __init kirkwood_ehci_init(void) +{ + platform_device_register(&kirkwood_ehci); +} + + +/***************************************************************************** + * GE00 + ****************************************************************************/ +struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = { + .dram = &kirkwood_mbus_dram_info, +}; + +static struct resource kirkwood_ge00_shared_resources[] = { + { + .name = "ge00 base", + .start = GE00_PHYS_BASE + 0x2000, + .end = GE00_PHYS_BASE + 0x3fff, + .flags = IORESOURCE_MEM, + }, { + .name = "ge00 err irq", + .start = IRQ_KIRKWOOD_GE00_ERR, + .end = IRQ_KIRKWOOD_GE00_ERR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_ge00_shared = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 0, + .dev = { + .platform_data = &kirkwood_ge00_shared_data, + }, + .num_resources = ARRAY_SIZE(kirkwood_ge00_shared_resources), + .resource = kirkwood_ge00_shared_resources, +}; + +static struct resource kirkwood_ge00_resources[] = { + { + .name = "ge00 irq", + .start = IRQ_KIRKWOOD_GE00_SUM, + .end = IRQ_KIRKWOOD_GE00_SUM, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_ge00 = { + .name = MV643XX_ETH_NAME, + .id = 0, + .num_resources = 1, + .resource = kirkwood_ge00_resources, +}; + +void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) +{ + eth_data->shared = &kirkwood_ge00_shared; + kirkwood_ge00.dev.platform_data = eth_data; + + platform_device_register(&kirkwood_ge00_shared); + platform_device_register(&kirkwood_ge00); +} + + +/***************************************************************************** + * SoC RTC + ****************************************************************************/ +static struct resource kirkwood_rtc_resource = { + .start = RTC_PHYS_BASE, + .end = RTC_PHYS_BASE + SZ_16 - 1, + .flags = IORESOURCE_MEM, +}; + +void __init kirkwood_rtc_init(void) +{ + platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1); +} + + +/***************************************************************************** + * SATA + ****************************************************************************/ +static struct resource kirkwood_sata_resources[] = { + { + .name = "sata base", + .start = SATA_PHYS_BASE, + .end = SATA_PHYS_BASE + 0x5000 - 1, + .flags = IORESOURCE_MEM, + }, { + .name = "sata irq", + .start = IRQ_KIRKWOOD_SATA, + .end = IRQ_KIRKWOOD_SATA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_sata = { + .name = "sata_mv", + .id = 0, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(kirkwood_sata_resources), + .resource = kirkwood_sata_resources, +}; + +void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data) +{ + sata_data->dram = &kirkwood_mbus_dram_info; + kirkwood_sata.dev.platform_data = sata_data; + platform_device_register(&kirkwood_sata); +} + + +/***************************************************************************** + * SPI + ****************************************************************************/ +static struct orion_spi_info kirkwood_spi_plat_data = { +}; + +static struct resource kirkwood_spi_resources[] = { + { + .start = SPI_PHYS_BASE, + .end = SPI_PHYS_BASE + SZ_512 - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device kirkwood_spi = { + .name = "orion_spi", + .id = 0, + .resource = kirkwood_spi_resources, + .dev = { + .platform_data = &kirkwood_spi_plat_data, + }, + .num_resources = ARRAY_SIZE(kirkwood_spi_resources), +}; + +void __init kirkwood_spi_init() +{ + platform_device_register(&kirkwood_spi); +} + + +/***************************************************************************** + * UART0 + ****************************************************************************/ +static struct plat_serial8250_port kirkwood_uart0_data[] = { + { + .mapbase = UART0_PHYS_BASE, + .membase = (char *)UART0_VIRT_BASE, + .irq = IRQ_KIRKWOOD_UART_0, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 0, + }, { + }, +}; + +static struct resource kirkwood_uart0_resources[] = { + { + .start = UART0_PHYS_BASE, + .end = UART0_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_KIRKWOOD_UART_0, + .end = IRQ_KIRKWOOD_UART_0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_uart0 = { + .name = "serial8250", + .id = 0, + .dev = { + .platform_data = kirkwood_uart0_data, + }, + .resource = kirkwood_uart0_resources, + .num_resources = ARRAY_SIZE(kirkwood_uart0_resources), +}; + +void __init kirkwood_uart0_init(void) +{ + platform_device_register(&kirkwood_uart0); +} + + +/***************************************************************************** + * UART1 + ****************************************************************************/ +static struct plat_serial8250_port kirkwood_uart1_data[] = { + { + .mapbase = UART1_PHYS_BASE, + .membase = (char *)UART1_VIRT_BASE, + .irq = IRQ_KIRKWOOD_UART_1, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 0, + }, { + }, +}; + +static struct resource kirkwood_uart1_resources[] = { + { + .start = UART1_PHYS_BASE, + .end = UART1_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_KIRKWOOD_UART_1, + .end = IRQ_KIRKWOOD_UART_1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_uart1 = { + .name = "serial8250", + .id = 1, + .dev = { + .platform_data = kirkwood_uart1_data, + }, + .resource = kirkwood_uart1_resources, + .num_resources = ARRAY_SIZE(kirkwood_uart1_resources), +}; + +void __init kirkwood_uart1_init(void) +{ + platform_device_register(&kirkwood_uart1); +} + + +/***************************************************************************** + * XOR + ****************************************************************************/ +static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = { + .dram = &kirkwood_mbus_dram_info, +}; + +static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK; + + +/***************************************************************************** + * XOR0 + ****************************************************************************/ +static struct resource kirkwood_xor0_shared_resources[] = { + { + .name = "xor 0 low", + .start = XOR0_PHYS_BASE, + .end = XOR0_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, { + .name = "xor 0 high", + .start = XOR0_HIGH_PHYS_BASE, + .end = XOR0_HIGH_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device kirkwood_xor0_shared = { + .name = MV_XOR_SHARED_NAME, + .id = 0, + .dev = { + .platform_data = &kirkwood_xor_shared_data, + }, + .num_resources = ARRAY_SIZE(kirkwood_xor0_shared_resources), + .resource = kirkwood_xor0_shared_resources, +}; + +static struct resource kirkwood_xor00_resources[] = { + [0] = { + .start = IRQ_KIRKWOOD_XOR_00, + .end = IRQ_KIRKWOOD_XOR_00, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data kirkwood_xor00_data = { + .shared = &kirkwood_xor0_shared, + .hw_id = 0, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device kirkwood_xor00_channel = { + .name = MV_XOR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(kirkwood_xor00_resources), + .resource = kirkwood_xor00_resources, + .dev = { + .dma_mask = &kirkwood_xor_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *)&kirkwood_xor00_data, + }, +}; + +static struct resource kirkwood_xor01_resources[] = { + [0] = { + .start = IRQ_KIRKWOOD_XOR_01, + .end = IRQ_KIRKWOOD_XOR_01, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data kirkwood_xor01_data = { + .shared = &kirkwood_xor0_shared, + .hw_id = 1, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device kirkwood_xor01_channel = { + .name = MV_XOR_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(kirkwood_xor01_resources), + .resource = kirkwood_xor01_resources, + .dev = { + .dma_mask = &kirkwood_xor_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *)&kirkwood_xor01_data, + }, +}; + +void __init kirkwood_xor0_init(void) +{ + platform_device_register(&kirkwood_xor0_shared); + + /* + * two engines can't do memset simultaneously, this limitation + * satisfied by removing memset support from one of the engines. + */ + dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask); + dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask); + platform_device_register(&kirkwood_xor00_channel); + + dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask); + dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask); + dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask); + platform_device_register(&kirkwood_xor01_channel); +} + + +/***************************************************************************** + * XOR1 + ****************************************************************************/ +static struct resource kirkwood_xor1_shared_resources[] = { + { + .name = "xor 1 low", + .start = XOR1_PHYS_BASE, + .end = XOR1_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, { + .name = "xor 1 high", + .start = XOR1_HIGH_PHYS_BASE, + .end = XOR1_HIGH_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device kirkwood_xor1_shared = { + .name = MV_XOR_SHARED_NAME, + .id = 1, + .dev = { + .platform_data = &kirkwood_xor_shared_data, + }, + .num_resources = ARRAY_SIZE(kirkwood_xor1_shared_resources), + .resource = kirkwood_xor1_shared_resources, +}; + +static struct resource kirkwood_xor10_resources[] = { + [0] = { + .start = IRQ_KIRKWOOD_XOR_10, + .end = IRQ_KIRKWOOD_XOR_10, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data kirkwood_xor10_data = { + .shared = &kirkwood_xor1_shared, + .hw_id = 0, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device kirkwood_xor10_channel = { + .name = MV_XOR_NAME, + .id = 2, + .num_resources = ARRAY_SIZE(kirkwood_xor10_resources), + .resource = kirkwood_xor10_resources, + .dev = { + .dma_mask = &kirkwood_xor_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *)&kirkwood_xor10_data, + }, +}; + +static struct resource kirkwood_xor11_resources[] = { + [0] = { + .start = IRQ_KIRKWOOD_XOR_11, + .end = IRQ_KIRKWOOD_XOR_11, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data kirkwood_xor11_data = { + .shared = &kirkwood_xor1_shared, + .hw_id = 1, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device kirkwood_xor11_channel = { + .name = MV_XOR_NAME, + .id = 3, + .num_resources = ARRAY_SIZE(kirkwood_xor11_resources), + .resource = kirkwood_xor11_resources, + .dev = { + .dma_mask = &kirkwood_xor_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *)&kirkwood_xor11_data, + }, +}; + +void __init kirkwood_xor1_init(void) +{ + platform_device_register(&kirkwood_xor1_shared); + + /* + * two engines can't do memset simultaneously, this limitation + * satisfied by removing memset support from one of the engines. + */ + dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask); + dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask); + platform_device_register(&kirkwood_xor10_channel); + + dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask); + dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask); + dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask); + platform_device_register(&kirkwood_xor11_channel); +} + + +/***************************************************************************** + * Time handling + ****************************************************************************/ +int kirkwood_tclk; + +int __init kirkwood_find_tclk(void) +{ + u32 dev, rev; + + kirkwood_pcie_id(&dev, &rev); + if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0) + return 200000000; + + return 166666667; +} + +static void kirkwood_timer_init(void) +{ + kirkwood_tclk = kirkwood_find_tclk(); + orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); +} + +struct sys_timer kirkwood_timer = { + .init = kirkwood_timer_init, +}; + + +/***************************************************************************** + * General + ****************************************************************************/ +/* + * Identify device ID and revision. + */ +static char * __init kirkwood_id(void) +{ + u32 dev, rev; + + kirkwood_pcie_id(&dev, &rev); + + if (dev == MV88F6281_DEV_ID) { + if (rev == MV88F6281_REV_Z0) + return "MV88F6281-Z0"; + else if (rev == MV88F6281_REV_A0) + return "MV88F6281-A0"; + else + return "MV88F6281-Rev-Unsupported"; + } else if (dev == MV88F6192_DEV_ID) { + if (rev == MV88F6192_REV_Z0) + return "MV88F6192-Z0"; + else if (rev == MV88F6192_REV_A0) + return "MV88F6192-A0"; + else + return "MV88F6192-Rev-Unsupported"; + } else if (dev == MV88F6180_DEV_ID) { + if (rev == MV88F6180_REV_A0) + return "MV88F6180-Rev-A0"; + else + return "MV88F6180-Rev-Unsupported"; + } else { + return "Device-Unknown"; + } +} + +static void __init kirkwood_l2_init(void) +{ +#ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH + writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG); + feroceon_l2_init(1); +#else + writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG); + feroceon_l2_init(0); +#endif +} + +void __init kirkwood_init(void) +{ + printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n", + kirkwood_id(), kirkwood_tclk); + kirkwood_ge00_shared_data.t_clk = kirkwood_tclk; + kirkwood_spi_plat_data.tclk = kirkwood_tclk; + kirkwood_uart0_data[0].uartclk = kirkwood_tclk; + kirkwood_uart1_data[0].uartclk = kirkwood_tclk; + + kirkwood_setup_cpu_mbus(); + +#ifdef CONFIG_CACHE_FEROCEON_L2 + kirkwood_l2_init(); +#endif +} diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h new file mode 100644 index 00000000000..8fa0f6a2763 --- /dev/null +++ b/arch/arm/mach-kirkwood/common.h @@ -0,0 +1,44 @@ +/* + * arch/arm/mach-kirkwood/common.h + * + * Core functions for Marvell Kirkwood SoCs + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ARCH_KIRKWOOD_COMMON_H +#define __ARCH_KIRKWOOD_COMMON_H + +struct mv643xx_eth_platform_data; +struct mv_sata_platform_data; + +/* + * Basic Kirkwood init functions used early by machine-setup. + */ +void kirkwood_map_io(void); +void kirkwood_init(void); +void kirkwood_init_irq(void); + +extern struct mbus_dram_target_info kirkwood_mbus_dram_info; +void kirkwood_setup_cpu_mbus(void); +void kirkwood_setup_sram_win(u32 base, u32 size); + +void kirkwood_pcie_id(u32 *dev, u32 *rev); + +void kirkwood_ehci_init(void); +void kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data); +void kirkwood_pcie_init(void); +void kirkwood_rtc_init(void); +void kirkwood_sata_init(struct mv_sata_platform_data *sata_data); +void kirkwood_spi_init(void); +void kirkwood_uart0_init(void); +void kirkwood_uart1_init(void); +void kirkwood_xor0_init(void); +void kirkwood_xor1_init(void); + +extern struct sys_timer kirkwood_timer; + + +#endif diff --git a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c new file mode 100644 index 00000000000..a14c2948c62 --- /dev/null +++ b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c @@ -0,0 +1,67 @@ +/* + * arch/arm/mach-kirkwood/db88f6281-bp-setup.c + * + * Marvell DB-88F6281-BP Development Board Setup + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/irq.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/nand.h> +#include <linux/timer.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/pci.h> +#include <mach/kirkwood.h> +#include "common.h" + +static struct mv643xx_eth_platform_data db88f6281_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static struct mv_sata_platform_data db88f6281_sata_data = { + .n_ports = 2, +}; + +static void __init db88f6281_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_init(); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&db88f6281_ge00_data); + kirkwood_rtc_init(); + kirkwood_sata_init(&db88f6281_sata_data); + kirkwood_uart0_init(); +} + +static int __init db88f6281_pci_init(void) +{ + if (machine_is_db88f6281_bp()) + kirkwood_pcie_init(); + + return 0; +} +subsys_initcall(db88f6281_pci_init); + +MACHINE_START(DB88F6281_BP, "Marvell DB-88F6281-BP Development Board") + /* Maintainer: Saeed Bishara <saeed@marvell.com> */ + .phys_io = KIRKWOOD_REGS_PHYS_BASE, + .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = db88f6281_init, + .map_io = kirkwood_map_io, + .init_irq = kirkwood_init_irq, + .timer = &kirkwood_timer, +MACHINE_END diff --git a/arch/arm/mach-kirkwood/include/mach/debug-macro.S b/arch/arm/mach-kirkwood/include/mach/debug-macro.S new file mode 100644 index 00000000000..c0cc5b5c82a --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/debug-macro.S @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-kirkwood/include/mach/debug-macro.S + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <mach/kirkwood.h> + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =KIRKWOOD_REGS_PHYS_BASE + ldrne \rx, =KIRKWOOD_REGS_VIRT_BASE + orr \rx, \rx, #0x00012000 + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> diff --git a/arch/arm/mach-kirkwood/include/mach/dma.h b/arch/arm/mach-kirkwood/include/mach/dma.h new file mode 100644 index 00000000000..40a8c178f10 --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/dma.h @@ -0,0 +1 @@ +/* empty */ diff --git a/arch/arm/mach-kirkwood/include/mach/entry-macro.S b/arch/arm/mach-kirkwood/include/mach/entry-macro.S new file mode 100644 index 00000000000..83e0cba77b3 --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/entry-macro.S @@ -0,0 +1,40 @@ +/* + * arch/arm/mach-kirkwood/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for Marvell Kirkwood platforms + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <mach/kirkwood.h> + + .macro disable_fiq + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =IRQ_VIRT_BASE + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + @ check low interrupts + ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF] + ldr \tmp, [\base, #IRQ_MASK_LOW_OFF] + mov \irqnr, #31 + ands \irqstat, \irqstat, \tmp + bne 1001f + + @ if no low interrupts set, check high interrupts + ldr \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF] + ldr \tmp, [\base, #IRQ_MASK_HIGH_OFF] + mov \irqnr, #63 + ands \irqstat, \irqstat, \tmp + + @ find first active interrupt source +1001: clzne \irqstat, \irqstat + subne \irqnr, \irqnr, \irqstat + .endm diff --git a/arch/arm/mach-kirkwood/include/mach/hardware.h b/arch/arm/mach-kirkwood/include/mach/hardware.h new file mode 100644 index 00000000000..cde85283f7d --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/hardware.h @@ -0,0 +1,21 @@ +/* + * arch/arm/mach-kirkwood/include/mach/hardware.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include "kirkwood.h" + +#define pcibios_assign_all_busses() 1 + +#define PCIBIOS_MIN_IO 0x00001000 +#define PCIBIOS_MIN_MEM 0x01000000 +#define PCIMEM_BASE KIRKWOOD_PCIE_MEM_PHYS_BASE /* mem base for VGA */ + + +#endif diff --git a/arch/arm/mach-kirkwood/include/mach/io.h b/arch/arm/mach-kirkwood/include/mach/io.h new file mode 100644 index 00000000000..be07be0ef52 --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/io.h @@ -0,0 +1,26 @@ +/* + * arch/arm/mach-kirkwood/include/mach/io.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_IO_H +#define __ASM_ARCH_IO_H + +#include "kirkwood.h" + +#define IO_SPACE_LIMIT 0xffffffff + +static inline void __iomem *__io(unsigned long addr) +{ + return (void __iomem *)((addr - KIRKWOOD_PCIE_IO_PHYS_BASE) + + KIRKWOOD_PCIE_IO_VIRT_BASE); +} + +#define __io(a) __io(a) +#define __mem_pci(a) (a) + + +#endif diff --git a/arch/arm/mach-kirkwood/include/mach/irqs.h b/arch/arm/mach-kirkwood/include/mach/irqs.h new file mode 100644 index 00000000000..ffab89f21c1 --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/irqs.h @@ -0,0 +1,64 @@ +/* + * arch/arm/mach-kirkwood/include/mach/irqs.h + * + * IRQ definitions for Marvell Kirkwood SoCs + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_IRQS_H +#define __ASM_ARCH_IRQS_H + +#include "kirkwood.h" /* need GPIO_MAX */ + +/* + * Low Interrupt Controller + */ +#define IRQ_KIRKWOOD_HIGH_SUM 0 +#define IRQ_KIRKWOOD_BRIDGE 1 +#define IRQ_KIRKWOOD_HOST2CPU 2 +#define IRQ_KIRKWOOD_CPU2HOST 3 +#define IRQ_KIRKWOOD_XOR_00 5 +#define IRQ_KIRKWOOD_XOR_01 6 +#define IRQ_KIRKWOOD_XOR_10 7 +#define IRQ_KIRKWOOD_XOR_11 8 +#define IRQ_KIRKWOOD_PCIE 9 +#define IRQ_KIRKWOOD_GE00_SUM 11 +#define IRQ_KIRKWOOD_GE01_SUM 15 +#define IRQ_KIRKWOOD_USB 19 +#define IRQ_KIRKWOOD_SATA 21 +#define IRQ_KIRKWOOD_CRYPTO 22 +#define IRQ_KIRKWOOD_SPI 23 +#define IRQ_KIRKWOOD_I2S 24 +#define IRQ_KIRKWOOD_TS_0 26 +#define IRQ_KIRKWOOD_SDIO 28 +#define IRQ_KIRKWOOD_TWSI 29 +#define IRQ_KIRKWOOD_AVB 30 +#define IRQ_KIRKWOOD_TDMI 31 + +/* + * High Interrupt Controller + */ +#define IRQ_KIRKWOOD_UART_0 33 +#define IRQ_KIRKWOOD_UART_1 34 +#define IRQ_KIRKWOOD_GPIO_LOW_0_7 35 +#define IRQ_KIRKWOOD_GPIO_LOW_8_15 36 +#define IRQ_KIRKWOOD_GPIO_LOW_16_23 37 +#define IRQ_KIRKWOOD_GPIO_LOW_24_31 38 +#define IRQ_KIRKWOOD_GPIO_HIGH_0_7 39 +#define IRQ_KIRKWOOD_GPIO_HIGH_8_15 40 +#define IRQ_KIRKWOOD_GPIO_HIGH_16_23 41 +#define IRQ_KIRKWOOD_GE00_ERR 46 + +/* + * KIRKWOOD General Purpose Pins + */ +#define IRQ_KIRKWOOD_GPIO_START 64 +#define NR_GPIO_IRQS GPIO_MAX + +#define NR_IRQS (IRQ_KIRKWOOD_GPIO_START + NR_GPIO_IRQS) + + +#endif diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h new file mode 100644 index 00000000000..eae42406fd8 --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h @@ -0,0 +1,123 @@ +/* + * arch/arm/mach-kirkwood/include/mach/kirkwood.h + * + * Generic definitions for Marvell Kirkwood SoC flavors: + * 88F6180, 88F6192 and 88F6281. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_KIRKWOOD_H +#define __ASM_ARCH_KIRKWOOD_H + +/* + * Marvell Kirkwood address maps. + * + * phys + * e0000000 PCIe Memory space + * f1000000 on-chip peripheral registers + * f2000000 PCIe I/O space + * f3000000 NAND controller address window + * + * virt phys size + * fee00000 f1000000 1M on-chip peripheral registers + * fef00000 f2000000 1M PCIe I/O space + */ + +#define KIRKWOOD_NAND_MEM_PHYS_BASE 0xf3000000 +#define KIRKWOOD_NAND_MEM_SIZE SZ_64K /* 1K is sufficient, but 64K + * is the minimal window size + */ + +#define KIRKWOOD_PCIE_IO_PHYS_BASE 0xf2000000 +#define KIRKWOOD_PCIE_IO_VIRT_BASE 0xfef00000 +#define KIRKWOOD_PCIE_IO_BUS_BASE 0x00000000 +#define KIRKWOOD_PCIE_IO_SIZE SZ_1M + +#define KIRKWOOD_REGS_PHYS_BASE 0xf1000000 +#define KIRKWOOD_REGS_VIRT_BASE 0xfee00000 +#define KIRKWOOD_REGS_SIZE SZ_1M + +#define KIRKWOOD_PCIE_MEM_PHYS_BASE 0xe0000000 +#define KIRKWOOD_PCIE_MEM_SIZE SZ_128M + +/* + * MBUS bridge registers. + */ +#define BRIDGE_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x20000) +#define CPU_CONTROL (BRIDGE_VIRT_BASE | 0x0104) +#define CPU_RESET 0x00000002 +#define RSTOUTn_MASK (BRIDGE_VIRT_BASE | 0x0108) +#define SOFT_RESET_OUT_EN 0x00000004 +#define SYSTEM_SOFT_RESET (BRIDGE_VIRT_BASE | 0x010c) +#define SOFT_RESET 0x00000001 +#define BRIDGE_CAUSE (BRIDGE_VIRT_BASE | 0x0110) +#define BRIDGE_MASK (BRIDGE_VIRT_BASE | 0x0114) +#define BRIDGE_INT_TIMER0 0x0002 +#define BRIDGE_INT_TIMER1 0x0004 +#define BRIDGE_INT_TIMER1_CLR (~0x0004) +#define IRQ_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0200) +#define IRQ_CAUSE_LOW_OFF 0x0000 +#define IRQ_MASK_LOW_OFF 0x0004 +#define IRQ_CAUSE_HIGH_OFF 0x0010 +#define IRQ_MASK_HIGH_OFF 0x0014 +#define TIMER_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0300) +#define L2_CONFIG_REG (BRIDGE_VIRT_BASE | 0x0128) +#define L2_WRITETHROUGH 0x00000010 + +/* + * Supported devices and revisions. + */ +#define MV88F6281_DEV_ID 0x6281 +#define MV88F6281_REV_Z0 0 +#define MV88F6281_REV_A0 2 + +#define MV88F6192_DEV_ID 0x6192 +#define MV88F6192_REV_Z0 0 +#define MV88F6192_REV_A0 2 + +#define MV88F6180_DEV_ID 0x6180 +#define MV88F6180_REV_A0 2 + +/* + * Register Map + */ +#define DDR_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x00000) +#define DDR_WINDOW_CPU_BASE (DDR_VIRT_BASE | 0x1500) + +#define DEV_BUS_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x10000) +#define DEV_BUS_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x10000) +#define SAMPLE_AT_RESET (DEV_BUS_VIRT_BASE | 0x0030) +#define DEVICE_ID (DEV_BUS_VIRT_BASE | 0x0034) +#define RTC_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x0300) +#define SPI_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x0600) +#define UART0_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x2000) +#define UART0_VIRT_BASE (DEV_BUS_VIRT_BASE | 0x2000) +#define UART1_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x2100) +#define UART1_VIRT_BASE (DEV_BUS_VIRT_BASE | 0x2100) + +#define PCIE_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x40000) + +#define USB_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x50000) + +#define XOR0_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x60800) +#define XOR0_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x60800) +#define XOR1_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x60900) +#define XOR1_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x60900) +#define XOR0_HIGH_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x60A00) +#define XOR0_HIGH_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x60A00) +#define XOR1_HIGH_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x60B00) +#define XOR1_HIGH_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x60B00) + +#define GE00_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x70000) +#define GE01_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x74000) + +#define SATA_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x80000) + + +#define GPIO_MAX 50 + + +#endif diff --git a/arch/arm/mach-kirkwood/include/mach/memory.h b/arch/arm/mach-kirkwood/include/mach/memory.h new file mode 100644 index 00000000000..b5fb34bdccd --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/memory.h @@ -0,0 +1,14 @@ +/* + * arch/arm/mach-kirkwood/include/mach/memory.h + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x00000000) + +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + + +#endif diff --git a/arch/arm/mach-kirkwood/include/mach/system.h b/arch/arm/mach-kirkwood/include/mach/system.h new file mode 100644 index 00000000000..8510f6cfdab --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/system.h @@ -0,0 +1,37 @@ +/* + * arch/arm/mach-kirkwood/include/mach/system.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include <mach/hardware.h> +#include <mach/kirkwood.h> + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode) +{ + /* + * Enable soft reset to assert RSTOUTn. + */ + writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK); + + /* + * Assert soft reset. + */ + writel(SOFT_RESET, SYSTEM_SOFT_RESET); + + while (1) + ; +} + + +#endif diff --git a/arch/arm/mach-kirkwood/include/mach/timex.h b/arch/arm/mach-kirkwood/include/mach/timex.h new file mode 100644 index 00000000000..c923cd169b9 --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/timex.h @@ -0,0 +1,10 @@ +/* + * arch/arm/mach-kirkwood/include/mach/timex.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#define CLOCK_TICK_RATE (100 * HZ) + diff --git a/arch/arm/mach-kirkwood/include/mach/uncompress.h b/arch/arm/mach-kirkwood/include/mach/uncompress.h new file mode 100644 index 00000000000..75d5497df3a --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/uncompress.h @@ -0,0 +1,47 @@ +/* + * arch/arm/mach-kirkwood/include/mach/uncompress.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/serial_reg.h> +#include <mach/kirkwood.h> + +#define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE) + +static void putc(const char c) +{ + unsigned char *base = SERIAL_BASE; + int i; + + for (i = 0; i < 0x1000; i++) { + if (base[UART_LSR << 2] & UART_LSR_THRE) + break; + barrier(); + } + + base[UART_TX << 2] = c; +} + +static void flush(void) +{ + unsigned char *base = SERIAL_BASE; + unsigned char mask; + int i; + + mask = UART_LSR_TEMT | UART_LSR_THRE; + + for (i = 0; i < 0x1000; i++) { + if ((base[UART_LSR << 2] & mask) == mask) + break; + barrier(); + } +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/arch/arm/mach-kirkwood/include/mach/vmalloc.h b/arch/arm/mach-kirkwood/include/mach/vmalloc.h new file mode 100644 index 00000000000..8f48260dcda --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/vmalloc.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-kirkwood/include/mach/vmalloc.h + */ + +#define VMALLOC_END 0xfe800000 diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c new file mode 100644 index 00000000000..5790643ffe0 --- /dev/null +++ b/arch/arm/mach-kirkwood/irq.c @@ -0,0 +1,22 @@ +/* + * arch/arm/mach-kirkwood/irq.c + * + * Kirkwood IRQ handling. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <plat/irq.h> +#include "common.h" + +void __init kirkwood_init_irq(void) +{ + orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF)); + orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF)); +} diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c new file mode 100644 index 00000000000..f6b08f207c8 --- /dev/null +++ b/arch/arm/mach-kirkwood/pcie.c @@ -0,0 +1,186 @@ +/* + * arch/arm/mach-kirkwood/pcie.c + * + * PCIe functions for Marvell Kirkwood SoCs + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/mbus.h> +#include <asm/mach/pci.h> +#include <plat/pcie.h> +#include "common.h" + + +#define PCIE_BASE ((void __iomem *)PCIE_VIRT_BASE) + +void __init kirkwood_pcie_id(u32 *dev, u32 *rev) +{ + *dev = orion_pcie_dev_id(PCIE_BASE); + *rev = orion_pcie_rev(PCIE_BASE); +} + +static int pcie_valid_config(int bus, int dev) +{ + /* + * Don't go out when trying to access -- + * 1. nonexisting device on local bus + * 2. where there's no device connected (no link) + */ + if (bus == 0 && dev == 0) + return 1; + + if (!orion_pcie_link_up(PCIE_BASE)) + return 0; + + if (bus == 0 && dev != 1) + return 0; + + return 1; +} + + +/* + * PCIe config cycles are done by programming the PCIE_CONF_ADDR register + * and then reading the PCIE_CONF_DATA register. Need to make sure these + * transactions are atomic. + */ +static DEFINE_SPINLOCK(kirkwood_pcie_lock); + +static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, + int size, u32 *val) +{ + unsigned long flags; + int ret; + + if (pcie_valid_config(bus->number, PCI_SLOT(devfn)) == 0) { + *val = 0xffffffff; + return PCIBIOS_DEVICE_NOT_FOUND; + } + + spin_lock_irqsave(&kirkwood_pcie_lock, flags); + ret = orion_pcie_rd_conf(PCIE_BASE, bus, devfn, where, size, val); + spin_unlock_irqrestore(&kirkwood_pcie_lock, flags); + + return ret; +} + +static int pcie_wr_conf(struct pci_bus *bus, u32 devfn, + int where, int size, u32 val) +{ + unsigned long flags; + int ret; + + if (pcie_valid_config(bus->number, PCI_SLOT(devfn)) == 0) + return PCIBIOS_DEVICE_NOT_FOUND; + + spin_lock_irqsave(&kirkwood_pcie_lock, flags); + ret = orion_pcie_wr_conf(PCIE_BASE, bus, devfn, where, size, val); + spin_unlock_irqrestore(&kirkwood_pcie_lock, flags); + + return ret; +} + +static struct pci_ops pcie_ops = { + .read = pcie_rd_conf, + .write = pcie_wr_conf, +}; + + +static int kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) +{ + struct resource *res; + + /* + * Generic PCIe unit setup. + */ + orion_pcie_setup(PCIE_BASE, &kirkwood_mbus_dram_info); + + /* + * Request resources. + */ + res = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL); + if (!res) + panic("pcie_setup unable to alloc resources"); + + /* + * IORESOURCE_IO + */ + res[0].name = "PCIe I/O Space"; + res[0].flags = IORESOURCE_IO; + res[0].start = KIRKWOOD_PCIE_IO_PHYS_BASE; + res[0].end = res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1; + if (request_resource(&ioport_resource, &res[0])) + panic("Request PCIe IO resource failed\n"); + sys->resource[0] = &res[0]; + + /* + * IORESOURCE_MEM + */ + res[1].name = "PCIe Memory Space"; + res[1].flags = IORESOURCE_MEM; + res[1].start = KIRKWOOD_PCIE_MEM_PHYS_BASE; + res[1].end = res[1].start + KIRKWOOD_PCIE_MEM_SIZE - 1; + if (request_resource(&iomem_resource, &res[1])) + panic("Request PCIe Memory resource failed\n"); + sys->resource[1] = &res[1]; + + sys->resource[2] = NULL; + sys->io_offset = 0; + + return 1; +} + +static void __devinit rc_pci_fixup(struct pci_dev *dev) +{ + /* + * Prevent enumeration of root complex. + */ + if (dev->bus->parent == NULL && dev->devfn == 0) { + int i; + + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + dev->resource[i].start = 0; + dev->resource[i].end = 0; + dev->resource[i].flags = 0; + } + } +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup); + +static struct pci_bus __init * +kirkwood_pcie_scan_bus(int nr, struct pci_sys_data *sys) +{ + struct pci_bus *bus; + + if (nr == 0) { + bus = pci_scan_bus(sys->busnr, &pcie_ops, sys); + } else { + bus = NULL; + BUG(); + } + + return bus; +} + +static int __init kirkwood_pcie_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + return IRQ_KIRKWOOD_PCIE; +} + +static struct hw_pci kirkwood_pci __initdata = { + .nr_controllers = 1, + .swizzle = pci_std_swizzle, + .setup = kirkwood_pcie_setup, + .scan = kirkwood_pcie_scan_bus, + .map_irq = kirkwood_pcie_map_irq, +}; + +void __init kirkwood_pcie_init(void) +{ + pci_common_init(&kirkwood_pci); +} diff --git a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c new file mode 100644 index 00000000000..b1d1a87a682 --- /dev/null +++ b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c @@ -0,0 +1,92 @@ +/* + * arch/arm/mach-kirkwood/rd88f6192-nas-setup.c + * + * Marvell RD-88F6192-NAS Reference Board Setup + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/irq.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/nand.h> +#include <linux/timer.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/spi/orion_spi.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/pci.h> +#include <mach/kirkwood.h> +#include "common.h" + +#define RD88F6192_GPIO_USB_VBUS 10 + +static struct mv643xx_eth_platform_data rd88f6192_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static struct mv_sata_platform_data rd88f6192_sata_data = { + .n_ports = 2, +}; + +static const struct flash_platform_data rd88F6192_spi_slave_data = { + .type = "m25p128", +}; + +static struct spi_board_info __initdata rd88F6192_spi_slave_info[] = { + { + .modalias = "m25p80", + .platform_data = &rd88F6192_spi_slave_data, + .irq = -1, + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +static void __init rd88f6192_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_init(); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&rd88f6192_ge00_data); + kirkwood_rtc_init(); + kirkwood_sata_init(&rd88f6192_sata_data); + spi_register_board_info(rd88F6192_spi_slave_info, + ARRAY_SIZE(rd88F6192_spi_slave_info)); + kirkwood_spi_init(); + kirkwood_uart0_init(); + kirkwood_xor0_init(); + kirkwood_xor1_init(); +} + +static int __init rd88f6192_pci_init(void) +{ + if (machine_is_rd88f6192_nas()) + kirkwood_pcie_init(); + + return 0; +} +subsys_initcall(rd88f6192_pci_init); + +MACHINE_START(RD88F6192_NAS, "Marvell RD-88F6192-NAS Development Board") + /* Maintainer: Saeed Bishara <saeed@marvell.com> */ + .phys_io = KIRKWOOD_REGS_PHYS_BASE, + .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = rd88f6192_init, + .map_io = kirkwood_map_io, + .init_irq = kirkwood_init_irq, + .timer = &kirkwood_timer, +MACHINE_END diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c new file mode 100644 index 00000000000..f785093e433 --- /dev/null +++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c @@ -0,0 +1,115 @@ +/* + * arch/arm/mach-kirkwood/rd88f6281-setup.c + * + * Marvell RD-88F6281 Reference Board Setup + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/irq.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/nand.h> +#include <linux/timer.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/ethtool.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/pci.h> +#include <mach/kirkwood.h> +#include <plat/orion_nand.h> +#include "common.h" + +static struct mtd_partition rd88f6281_nand_parts[] = { + { + .name = "u-boot", + .offset = 0, + .size = SZ_1M + }, { + .name = "uImage", + .offset = MTDPART_OFS_NXTBLK, + .size = SZ_2M + }, { + .name = "root", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL + }, +}; + +static struct resource rd88f6281_nand_resource = { + .flags = IORESOURCE_MEM, + .start = KIRKWOOD_NAND_MEM_PHYS_BASE, + .end = KIRKWOOD_NAND_MEM_PHYS_BASE + + KIRKWOOD_NAND_MEM_SIZE - 1, +}; + +static struct orion_nand_data rd88f6281_nand_data = { + .parts = rd88f6281_nand_parts, + .nr_parts = ARRAY_SIZE(rd88f6281_nand_parts), + .cle = 0, + .ale = 1, + .width = 8, + .chip_delay = 25, +}; + +static struct platform_device rd88f6281_nand_flash = { + .name = "orion_nand", + .id = -1, + .dev = { + .platform_data = &rd88f6281_nand_data, + }, + .resource = &rd88f6281_nand_resource, + .num_resources = 1, +}; + +static struct mv643xx_eth_platform_data rd88f6281_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_NONE, + .speed = SPEED_1000, + .duplex = DUPLEX_FULL, +}; + +static struct mv_sata_platform_data rd88f6281_sata_data = { + .n_ports = 2, +}; + +static void __init rd88f6281_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_init(); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&rd88f6281_ge00_data); + kirkwood_rtc_init(); + kirkwood_sata_init(&rd88f6281_sata_data); + kirkwood_uart0_init(); + + platform_device_register(&rd88f6281_nand_flash); +} + +static int __init rd88f6281_pci_init(void) +{ + if (machine_is_rd88f6281()) + kirkwood_pcie_init(); + + return 0; +} +subsys_initcall(rd88f6281_pci_init); + +MACHINE_START(RD88F6281, "Marvell RD-88F6281 Reference Board") + /* Maintainer: Saeed Bishara <saeed@marvell.com> */ + .phys_io = KIRKWOOD_REGS_PHYS_BASE, + .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = rd88f6281_init, + .map_io = kirkwood_map_io, + .init_irq = kirkwood_init_irq, + .timer = &kirkwood_timer, +MACHINE_END |