diff options
author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-03-27 14:51:41 -0400 |
---|---|---|
committer | Nicolas Pitre <nico@marvell.com> | 2008-03-27 14:51:41 -0400 |
commit | 9dd0b194bf6804b1998f0fe261b2606ec7b58d72 (patch) | |
tree | c9fd5ab51dc256818c24a8a771dc068d021039e2 /arch/arm/mach-orion5x | |
parent | 159ffb3a04f6bc619643af680df406faafd0199d (diff) |
Orion: orion -> orion5x rename
Do a global s/orion/orion5x/ of the Orion 5x-specific bits (i.e.
not the plat-orion bits.)
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Saeed Bishara <saeed@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/mach-orion5x')
-rw-r--r-- | arch/arm/mach-orion5x/Kconfig | 41 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/Makefile | 6 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/Makefile.boot | 3 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/addr-map.c | 240 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/common.c | 391 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/common.h | 72 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/db88f5281-setup.c | 361 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/dns323-setup.c | 320 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/gpio.c | 226 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/irq.c | 211 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/kurobox_pro-setup.c | 243 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/pci.c | 559 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/rd88f5182-setup.c | 312 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/ts209-setup.c | 359 |
14 files changed, 3344 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig new file mode 100644 index 00000000000..01c66957d8f --- /dev/null +++ b/arch/arm/mach-orion5x/Kconfig @@ -0,0 +1,41 @@ +if ARCH_ORION5X + +menu "Orion Implementations" + +config MACH_DB88F5281 + bool "Marvell Orion-2 Development Board" + select I2C_BOARDINFO + help + Say 'Y' here if you want your kernel to support the + Marvell Orion-2 (88F5281) Development Board + +config MACH_RD88F5182 + bool "Marvell Orion-NAS Reference Design" + select I2C_BOARDINFO + help + Say 'Y' here if you want your kernel to support the + Marvell Orion-NAS (88F5182) RD2 + +config MACH_KUROBOX_PRO + bool "KuroBox Pro" + select I2C_BOARDINFO + help + Say 'Y' here if you want your kernel to support the + KuroBox Pro platform. + +config MACH_DNS323 + bool "D-Link DNS-323" + select I2C_BOARDINFO + help + Say 'Y' here if you want your kernel to support the + D-Link DNS-323 platform. + +config MACH_TS209 + bool "QNAP TS-109/TS-209" + help + Say 'Y' here if you want your kernel to support the + QNAP TS-109/TS-209 platform. + +endmenu + +endif diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile new file mode 100644 index 00000000000..d894caa5060 --- /dev/null +++ b/arch/arm/mach-orion5x/Makefile @@ -0,0 +1,6 @@ +obj-y += common.o addr-map.o pci.o gpio.o irq.o +obj-$(CONFIG_MACH_DB88F5281) += db88f5281-setup.o +obj-$(CONFIG_MACH_RD88F5182) += rd88f5182-setup.o +obj-$(CONFIG_MACH_KUROBOX_PRO) += kurobox_pro-setup.o +obj-$(CONFIG_MACH_DNS323) += dns323-setup.o +obj-$(CONFIG_MACH_TS209) += ts209-setup.o diff --git a/arch/arm/mach-orion5x/Makefile.boot b/arch/arm/mach-orion5x/Makefile.boot new file mode 100644 index 00000000000..67039c3e0c4 --- /dev/null +++ b/arch/arm/mach-orion5x/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-orion5x/addr-map.c b/arch/arm/mach-orion5x/addr-map.c new file mode 100644 index 00000000000..6b179371e0a --- /dev/null +++ b/arch/arm/mach-orion5x/addr-map.c @@ -0,0 +1,240 @@ +/* + * arch/arm/mach-orion5x/addr-map.c + * + * Address map functions for Marvell Orion 5x SoCs + * + * Maintainer: Tzachi Perelstein <tzachi@marvell.com> + * + * 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 <asm/hardware.h> +#include <asm/io.h> +#include "common.h" + +/* + * The Orion has fully programable address map. There's a separate address + * map for each of the device _master_ interfaces, e.g. CPU, PCI, PCIE, USB, + * Gigabit Ethernet, DMA/XOR engines, etc. Each interface has its own + * address decode windows that allow it to access any of the Orion resources. + * + * CPU address decoding -- + * Linux assumes that it is the boot loader that already setup the access to + * DDR and internal registers. + * Setup access to PCI and PCI-E IO/MEM space is issued by this file. + * Setup access to various devices located on the device bus interface (e.g. + * flashes, RTC, etc) should be issued by machine-setup.c according to + * specific board population (by using orion5x_setup_*_win()). + * + * Non-CPU Masters address decoding -- + * Unlike the CPU, we setup the access from Orion's master interfaces to DDR + * banks only (the typical use case). + * Setup access for each master to DDR is issued by common.c. + * + * Note: although orion_setbits() and orion_clrbits() are not atomic + * no locking is necessary here since code in this file is only called + * at boot time when there is no concurrency issues. + */ + +/* + * Generic Address Decode Windows bit settings + */ +#define TARGET_DDR 0 +#define TARGET_DEV_BUS 1 +#define TARGET_PCI 3 +#define TARGET_PCIE 4 +#define ATTR_DDR_CS(n) (((n) ==0) ? 0xe : \ + ((n) == 1) ? 0xd : \ + ((n) == 2) ? 0xb : \ + ((n) == 3) ? 0x7 : 0xf) +#define ATTR_PCIE_MEM 0x59 +#define ATTR_PCIE_IO 0x51 +#define ATTR_PCIE_WA 0x79 +#define ATTR_PCI_MEM 0x59 +#define ATTR_PCI_IO 0x51 +#define ATTR_DEV_CS0 0x1e +#define ATTR_DEV_CS1 0x1d +#define ATTR_DEV_CS2 0x1b +#define ATTR_DEV_BOOT 0xf +#define WIN_EN 1 + +/* + * Helpers to get DDR bank info + */ +#define DDR_BASE_CS(n) ORION5X_DDR_REG(0x1500 + ((n) * 8)) +#define DDR_SIZE_CS(n) ORION5X_DDR_REG(0x1504 + ((n) * 8)) +#define DDR_MAX_CS 4 +#define DDR_REG_TO_SIZE(reg) (((reg) | 0xffffff) + 1) +#define DDR_REG_TO_BASE(reg) ((reg) & 0xff000000) +#define DDR_BANK_EN 1 + +/* + * CPU Address Decode Windows registers + */ +#define CPU_WIN_CTRL(n) ORION5X_BRIDGE_REG(0x000 | ((n) << 4)) +#define CPU_WIN_BASE(n) ORION5X_BRIDGE_REG(0x004 | ((n) << 4)) +#define CPU_WIN_REMAP_LO(n) ORION5X_BRIDGE_REG(0x008 | ((n) << 4)) +#define CPU_WIN_REMAP_HI(n) ORION5X_BRIDGE_REG(0x00c | ((n) << 4)) + +/* + * Gigabit Ethernet Address Decode Windows registers + */ +#define ETH_WIN_BASE(win) ORION5X_ETH_REG(0x200 + ((win) * 8)) +#define ETH_WIN_SIZE(win) ORION5X_ETH_REG(0x204 + ((win) * 8)) +#define ETH_WIN_REMAP(win) ORION5X_ETH_REG(0x280 + ((win) * 4)) +#define ETH_WIN_EN ORION5X_ETH_REG(0x290) +#define ETH_WIN_PROT ORION5X_ETH_REG(0x294) +#define ETH_MAX_WIN 6 +#define ETH_MAX_REMAP_WIN 4 + + +struct mbus_dram_target_info orion5x_mbus_dram_info; + +static int __init orion5x_cpu_win_can_remap(int win) +{ + u32 dev, rev; + + orion5x_pcie_id(&dev, &rev); + if ((dev == MV88F5281_DEV_ID && win < 4) + || (dev == MV88F5182_DEV_ID && win < 2) + || (dev == MV88F5181_DEV_ID && win < 2)) + return 1; + + return 0; +} + +static void __init setup_cpu_win(int win, u32 base, u32 size, + u8 target, u8 attr, int remap) +{ + orion5x_write(CPU_WIN_BASE(win), base & 0xffff0000); + orion5x_write(CPU_WIN_CTRL(win), + ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1); + + if (orion5x_cpu_win_can_remap(win)) { + if (remap < 0) + remap = base; + + orion5x_write(CPU_WIN_REMAP_LO(win), remap & 0xffff0000); + orion5x_write(CPU_WIN_REMAP_HI(win), 0); + } +} + +void __init orion5x_setup_cpu_mbus_bridge(void) +{ + int i; + int cs; + + /* + * First, disable and clear windows. + */ + for (i = 0; i < 8; i++) { + orion5x_write(CPU_WIN_BASE(i), 0); + orion5x_write(CPU_WIN_CTRL(i), 0); + if (orion5x_cpu_win_can_remap(i)) { + orion5x_write(CPU_WIN_REMAP_LO(i), 0); + orion5x_write(CPU_WIN_REMAP_HI(i), 0); + } + } + + /* + * Setup windows for PCI+PCIe IO+MEM space. + */ + setup_cpu_win(0, ORION5X_PCIE_IO_PHYS_BASE, ORION5X_PCIE_IO_SIZE, + TARGET_PCIE, ATTR_PCIE_IO, ORION5X_PCIE_IO_BUS_BASE); + setup_cpu_win(1, ORION5X_PCI_IO_PHYS_BASE, ORION5X_PCI_IO_SIZE, + TARGET_PCI, ATTR_PCI_IO, ORION5X_PCI_IO_BUS_BASE); + setup_cpu_win(2, ORION5X_PCIE_MEM_PHYS_BASE, ORION5X_PCIE_MEM_SIZE, + TARGET_PCIE, ATTR_PCIE_MEM, -1); + setup_cpu_win(3, ORION5X_PCI_MEM_PHYS_BASE, ORION5X_PCI_MEM_SIZE, + TARGET_PCI, ATTR_PCI_MEM, -1); + + /* + * Setup MBUS dram target info. + */ + orion5x_mbus_dram_info.mbus_dram_target_id = TARGET_DDR; + + for (i = 0, cs = 0; i < 4; i++) { + u32 base = readl(DDR_BASE_CS(i)); + u32 size = readl(DDR_SIZE_CS(i)); + + /* + * Chip select enabled? + */ + if (size & 1) { + struct mbus_dram_window *w; + + w = &orion5x_mbus_dram_info.cs[cs++]; + w->cs_index = i; + w->mbus_attr = 0xf & ~(1 << i); + w->base = base & 0xff000000; + w->size = (size | 0x00ffffff) + 1; + } + } + orion5x_mbus_dram_info.num_cs = cs; +} + +void __init orion5x_setup_dev_boot_win(u32 base, u32 size) +{ + setup_cpu_win(4, base, size, TARGET_DEV_BUS, ATTR_DEV_BOOT, -1); +} + +void __init orion5x_setup_dev0_win(u32 base, u32 size) +{ + setup_cpu_win(5, base, size, TARGET_DEV_BUS, ATTR_DEV_CS0, -1); +} + +void __init orion5x_setup_dev1_win(u32 base, u32 size) +{ + setup_cpu_win(6, base, size, TARGET_DEV_BUS, ATTR_DEV_CS1, -1); +} + +void __init orion5x_setup_dev2_win(u32 base, u32 size) +{ + setup_cpu_win(7, base, size, TARGET_DEV_BUS, ATTR_DEV_CS2, -1); +} + +void __init orion5x_setup_pcie_wa_win(u32 base, u32 size) +{ + setup_cpu_win(7, base, size, TARGET_PCIE, ATTR_PCIE_WA, -1); +} + +void __init orion5x_setup_eth_wins(void) +{ + int i; + + /* + * First, disable and clear windows + */ + for (i = 0; i < ETH_MAX_WIN; i++) { + orion5x_write(ETH_WIN_BASE(i), 0); + orion5x_write(ETH_WIN_SIZE(i), 0); + orion5x_setbits(ETH_WIN_EN, 1 << i); + orion5x_clrbits(ETH_WIN_PROT, 0x3 << (i * 2)); + if (i < ETH_MAX_REMAP_WIN) + orion5x_write(ETH_WIN_REMAP(i), 0); + } + + /* + * Setup windows for DDR banks. + */ + for (i = 0; i < DDR_MAX_CS; i++) { + u32 base, size; + size = orion5x_read(DDR_SIZE_CS(i)); + base = orion5x_read(DDR_BASE_CS(i)); + if (size & DDR_BANK_EN) { + base = DDR_REG_TO_BASE(base); + size = DDR_REG_TO_SIZE(size); + orion5x_write(ETH_WIN_SIZE(i), (size-1) & 0xffff0000); + orion5x_write(ETH_WIN_BASE(i), (base & 0xffff0000) | + (ATTR_DDR_CS(i) << 8) | + TARGET_DDR); + orion5x_clrbits(ETH_WIN_EN, 1 << i); + orion5x_setbits(ETH_WIN_PROT, 0x3 << (i * 2)); + } + } +} diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c new file mode 100644 index 00000000000..439c7784af0 --- /dev/null +++ b/arch/arm/mach-orion5x/common.c @@ -0,0 +1,391 @@ +/* + * arch/arm/mach-orion5x/common.c + * + * Core functions for Marvell Orion 5x SoCs + * + * Maintainer: Tzachi Perelstein <tzachi@marvell.com> + * + * 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/mv643xx_i2c.h> +#include <linux/ata_platform.h> +#include <asm/page.h> +#include <asm/setup.h> +#include <asm/timex.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/arch/hardware.h> +#include <asm/arch/orion5x.h> +#include <asm/plat-orion/ehci-orion.h> +#include <asm/plat-orion/orion_nand.h> +#include <asm/plat-orion/time.h> +#include "common.h" + +/***************************************************************************** + * I/O Address Mapping + ****************************************************************************/ +static struct map_desc orion5x_io_desc[] __initdata = { + { + .virtual = ORION5X_REGS_VIRT_BASE, + .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE), + .length = ORION5X_REGS_SIZE, + .type = MT_DEVICE + }, + { + .virtual = ORION5X_PCIE_IO_VIRT_BASE, + .pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE), + .length = ORION5X_PCIE_IO_SIZE, + .type = MT_DEVICE + }, + { + .virtual = ORION5X_PCI_IO_VIRT_BASE, + .pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE), + .length = ORION5X_PCI_IO_SIZE, + .type = MT_DEVICE + }, + { + .virtual = ORION5X_PCIE_WA_VIRT_BASE, + .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE), + .length = ORION5X_PCIE_WA_SIZE, + .type = MT_DEVICE + }, +}; + +void __init orion5x_map_io(void) +{ + iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc)); +} + +/***************************************************************************** + * UART + ****************************************************************************/ + +static struct resource orion5x_uart_resources[] = { + { + .start = UART0_PHYS_BASE, + .end = UART0_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_ORION5X_UART0, + .end = IRQ_ORION5X_UART0, + .flags = IORESOURCE_IRQ, + }, + { + .start = UART1_PHYS_BASE, + .end = UART1_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_ORION5X_UART1, + .end = IRQ_ORION5X_UART1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct plat_serial8250_port orion5x_uart_data[] = { + { + .mapbase = UART0_PHYS_BASE, + .membase = (char *)UART0_VIRT_BASE, + .irq = IRQ_ORION5X_UART0, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = ORION5X_TCLK, + }, + { + .mapbase = UART1_PHYS_BASE, + .membase = (char *)UART1_VIRT_BASE, + .irq = IRQ_ORION5X_UART1, + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = ORION5X_TCLK, + }, + { }, +}; + +static struct platform_device orion5x_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = orion5x_uart_data, + }, + .resource = orion5x_uart_resources, + .num_resources = ARRAY_SIZE(orion5x_uart_resources), +}; + +/******************************************************************************* + * USB Controller - 2 interfaces + ******************************************************************************/ + +static struct resource orion5x_ehci0_resources[] = { + { + .start = ORION5X_USB0_PHYS_BASE, + .end = ORION5X_USB0_PHYS_BASE + SZ_4K, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_ORION5X_USB0_CTRL, + .end = IRQ_ORION5X_USB0_CTRL, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource orion5x_ehci1_resources[] = { + { + .start = ORION5X_USB1_PHYS_BASE, + .end = ORION5X_USB1_PHYS_BASE + SZ_4K, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_ORION5X_USB1_CTRL, + .end = IRQ_ORION5X_USB1_CTRL, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct orion_ehci_data orion5x_ehci_data = { + .dram = &orion5x_mbus_dram_info, +}; + +static u64 ehci_dmamask = 0xffffffffUL; + +static struct platform_device orion5x_ehci0 = { + .name = "orion-ehci", + .id = 0, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &orion5x_ehci_data, + }, + .resource = orion5x_ehci0_resources, + .num_resources = ARRAY_SIZE(orion5x_ehci0_resources), +}; + +static struct platform_device orion5x_ehci1 = { + .name = "orion-ehci", + .id = 1, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &orion5x_ehci_data, + }, + .resource = orion5x_ehci1_resources, + .num_resources = ARRAY_SIZE(orion5x_ehci1_resources), +}; + +/***************************************************************************** + * Gigabit Ethernet port + * (The Orion and Discovery (MV643xx) families use the same Ethernet driver) + ****************************************************************************/ + +static struct resource orion5x_eth_shared_resources[] = { + { + .start = ORION5X_ETH_PHYS_BASE + 0x2000, + .end = ORION5X_ETH_PHYS_BASE + 0x3fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device orion5x_eth_shared = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 0, + .num_resources = 1, + .resource = orion5x_eth_shared_resources, +}; + +static struct resource orion5x_eth_resources[] = { + { + .name = "eth irq", + .start = IRQ_ORION5X_ETH_SUM, + .end = IRQ_ORION5X_ETH_SUM, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device orion5x_eth = { + .name = MV643XX_ETH_NAME, + .id = 0, + .num_resources = 1, + .resource = orion5x_eth_resources, +}; + +void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) +{ + orion5x_eth.dev.platform_data = eth_data; + platform_device_register(&orion5x_eth_shared); + platform_device_register(&orion5x_eth); +} + +/***************************************************************************** + * I2C controller + * (The Orion and Discovery (MV643xx) families share the same I2C controller) + ****************************************************************************/ + +static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = { + .freq_m = 8, /* assumes 166 MHz TCLK */ + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource orion5x_i2c_resources[] = { + { + .name = "i2c base", + .start = I2C_PHYS_BASE, + .end = I2C_PHYS_BASE + 0x20 -1, + .flags = IORESOURCE_MEM, + }, + { + .name = "i2c irq", + .start = IRQ_ORION5X_I2C, + .end = IRQ_ORION5X_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device orion5x_i2c = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(orion5x_i2c_resources), + .resource = orion5x_i2c_resources, + .dev = { + .platform_data = &orion5x_i2c_pdata, + }, +}; + +/***************************************************************************** + * Sata port + ****************************************************************************/ +static struct resource orion5x_sata_resources[] = { + { + .name = "sata base", + .start = ORION5X_SATA_PHYS_BASE, + .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "sata irq", + .start = IRQ_ORION5X_SATA, + .end = IRQ_ORION5X_SATA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device orion5x_sata = { + .name = "sata_mv", + .id = 0, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(orion5x_sata_resources), + .resource = orion5x_sata_resources, +}; + +void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) +{ + sata_data->dram = &orion5x_mbus_dram_info; + orion5x_sata.dev.platform_data = sata_data; + platform_device_register(&orion5x_sata); +} + +/***************************************************************************** + * Time handling + ****************************************************************************/ + +static void orion5x_timer_init(void) +{ + orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK); +} + +struct sys_timer orion5x_timer = { + .init = orion5x_timer_init, +}; + +/***************************************************************************** + * General + ****************************************************************************/ + +/* + * Identify device ID and rev from PCIE configuration header space '0'. + */ +static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) +{ + orion5x_pcie_id(dev, rev); + + if (*dev == MV88F5281_DEV_ID) { + if (*rev == MV88F5281_REV_D2) { + *dev_name = "MV88F5281-D2"; + } else if (*rev == MV88F5281_REV_D1) { + *dev_name = "MV88F5281-D1"; + } else { + *dev_name = "MV88F5281-Rev-Unsupported"; + } + } else if (*dev == MV88F5182_DEV_ID) { + if (*rev == MV88F5182_REV_A2) { + *dev_name = "MV88F5182-A2"; + } else { + *dev_name = "MV88F5182-Rev-Unsupported"; + } + } else if (*dev == MV88F5181_DEV_ID) { + if (*rev == MV88F5181_REV_B1) { + *dev_name = "MV88F5181-Rev-B1"; + } else { + *dev_name = "MV88F5181-Rev-Unsupported"; + } + } else { + *dev_name = "Device-Unknown"; + } +} + +void __init orion5x_init(void) +{ + char *dev_name; + u32 dev, rev; + + orion5x_id(&dev, &rev, &dev_name); + printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK); + + /* + * Setup Orion address map + */ + orion5x_setup_cpu_mbus_bridge(); + orion5x_setup_eth_wins(); + + /* + * Register devices. + */ + platform_device_register(&orion5x_uart); + platform_device_register(&orion5x_ehci0); + if (dev == MV88F5182_DEV_ID) + platform_device_register(&orion5x_ehci1); + platform_device_register(&orion5x_i2c); +} + +/* + * Many orion-based systems have buggy bootloader implementations. + * This is a common fixup for bogus memory tags. + */ +void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t, + char **from, struct meminfo *meminfo) +{ + for (; t->hdr.size; t = tag_next(t)) + if (t->hdr.tag == ATAG_MEM && + (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK || + t->u.mem.start & ~PAGE_MASK)) { + printk(KERN_WARNING + "Clearing invalid memory bank %dKB@0x%08x\n", + t->u.mem.size / 1024, t->u.mem.start); + t->hdr.tag = 0; + } +} diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h new file mode 100644 index 00000000000..f4c4c9a72a7 --- /dev/null +++ b/arch/arm/mach-orion5x/common.h @@ -0,0 +1,72 @@ +#ifndef __ARCH_ORION5X_COMMON_H +#define __ARCH_ORION5X_COMMON_H + +/* + * Basic Orion init functions used early by machine-setup. + */ + +void orion5x_map_io(void); +void orion5x_init_irq(void); +void orion5x_init(void); +extern struct sys_timer orion5x_timer; + +/* + * Enumerations and functions for Orion windows mapping. Used by Orion core + * functions to map its interfaces and by the machine-setup to map its on- + * board devices. Details in /mach-orion/addr-map.c + */ +extern struct mbus_dram_target_info orion5x_mbus_dram_info; +void orion5x_setup_cpu_mbus_bridge(void); +void orion5x_setup_dev_boot_win(u32 base, u32 size); +void orion5x_setup_dev0_win(u32 base, u32 size); +void orion5x_setup_dev1_win(u32 base, u32 size); +void orion5x_setup_dev2_win(u32 base, u32 size); +void orion5x_setup_pcie_wa_win(u32 base, u32 size); +void orion5x_setup_eth_wins(void); + +/* + * Shared code used internally by other Orion core functions. + * (/mach-orion/pci.c) + */ + +struct pci_sys_data; +struct pci_bus; + +void orion5x_pcie_id(u32 *dev, u32 *rev); +int orion5x_pcie_local_bus_nr(void); +int orion5x_pci_local_bus_nr(void); +int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys); +struct pci_bus *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys); + +/* + * Valid GPIO pins according to MPP setup, used by machine-setup. + * (/mach-orion/gpio.c). + */ + +void orion5x_gpio_set_valid_pins(u32 pins); +void gpio_display(void); /* debug */ + +/* + * Pull in Orion Ethernet platform_data, used by machine-setup + */ + +struct mv643xx_eth_platform_data; + +void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data); + +/* + * Orion Sata platform_data, used by machine-setup + */ + +struct mv_sata_platform_data; + +void orion5x_sata_init(struct mv_sata_platform_data *sata_data); + +struct machine_desc; +struct meminfo; +struct tag; +extern void __init tag_fixup_mem32(struct machine_desc *, struct tag *, + char **, struct meminfo *); + + +#endif diff --git a/arch/arm/mach-orion5x/db88f5281-setup.c b/arch/arm/mach-orion5x/db88f5281-setup.c new file mode 100644 index 00000000000..872aed37232 --- /dev/null +++ b/arch/arm/mach-orion5x/db88f5281-setup.c @@ -0,0 +1,361 @@ +/* + * arch/arm/mach-orion5x/db88f5281-setup.c + * + * Marvell Orion-2 Development Board Setup + * + * Maintainer: Tzachi Perelstein <tzachi@marvell.com> + * + * 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/mv643xx_eth.h> +#include <linux/i2c.h> +#include <asm/mach-types.h> +#include <asm/gpio.h> +#include <asm/mach/arch.h> +#include <asm/mach/pci.h> +#include <asm/arch/orion5x.h> +#include <asm/plat-orion/orion_nand.h> +#include "common.h" + +/***************************************************************************** + * DB-88F5281 on board devices + ****************************************************************************/ + +/* + * 512K NOR flash Device bus boot chip select + */ + +#define DB88F5281_NOR_BOOT_BASE 0xf4000000 +#define DB88F5281_NOR_BOOT_SIZE SZ_512K + +/* + * 7-Segment on Device bus chip select 0 + */ + +#define DB88F5281_7SEG_BASE 0xfa000000 +#define DB88F5281_7SEG_SIZE SZ_1K + +/* + * 32M NOR flash on Device bus chip select 1 + */ + +#define DB88F5281_NOR_BASE 0xfc000000 +#define DB88F5281_NOR_SIZE SZ_32M + +/* + * 32M NAND flash on Device bus chip select 2 + */ + +#define DB88F5281_NAND_BASE 0xfa800000 +#define DB88F5281_NAND_SIZE SZ_1K + +/* + * PCI + */ + +#define DB88F5281_PCI_SLOT0_OFFS 7 +#define DB88F5281_PCI_SLOT0_IRQ_PIN 12 +#define DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN 13 + +/***************************************************************************** + * 512M NOR Flash on Device bus Boot CS + ****************************************************************************/ + +static struct physmap_flash_data db88f5281_boot_flash_data = { + .width = 1, /* 8 bit bus width */ +}; + +static struct resource db88f5281_boot_flash_resource = { + .flags = IORESOURCE_MEM, + .start = DB88F5281_NOR_BOOT_BASE, + .end = DB88F5281_NOR_BOOT_BASE + DB88F5281_NOR_BOOT_SIZE - 1, +}; + +static struct platform_device db88f5281_boot_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &db88f5281_boot_flash_data, + }, + .num_resources = 1, + .resource = &db88f5281_boot_flash_resource, +}; + +/***************************************************************************** + * 32M NOR Flash on Device bus CS1 + ****************************************************************************/ + +static struct physmap_flash_data db88f5281_nor_flash_data = { + .width = 4, /* 32 bit bus width */ +}; + +static struct resource db88f5281_nor_flash_resource = { + .flags = IORESOURCE_MEM, + .start = DB88F5281_NOR_BASE, + .end = DB88F5281_NOR_BASE + DB88F5281_NOR_SIZE - 1, +}; + +static struct platform_device db88f5281_nor_flash = { + .name = "physmap-flash", + .id = 1, + .dev = { + .platform_data = &db88f5281_nor_flash_data, + }, + .num_resources = 1, + .resource = &db88f5281_nor_flash_resource, +}; + +/***************************************************************************** + * 32M NAND Flash on Device bus CS2 + ****************************************************************************/ + +static struct mtd_partition db88f5281_nand_parts[] = { + { + .name = "kernel", + .offset = 0, + .size = SZ_2M, + }, + { + .name = "root", + .offset = SZ_2M, + .size = (SZ_16M - SZ_2M), + }, + { + .name = "user", + .offset = SZ_16M, + .size = SZ_8M, + }, + { + .name = "recovery", + .offset = (SZ_16M + SZ_8M), + .size = SZ_8M, + }, +}; + +static struct resource db88f5281_nand_resource = { + .flags = IORESOURCE_MEM, + .start = DB88F5281_NAND_BASE, + .end = DB88F5281_NAND_BASE + DB88F5281_NAND_SIZE - 1, +}; + +static struct orion_nand_data db88f5281_nand_data = { + .parts = db88f5281_nand_parts, + .nr_parts = ARRAY_SIZE(db88f5281_nand_parts), + .cle = 0, + .ale = 1, + .width = 8, +}; + +static struct platform_device db88f5281_nand_flash = { + .name = "orion_nand", + .id = -1, + .dev = { + .platform_data = &db88f5281_nand_data, + }, + .resource = &db88f5281_nand_resource, + .num_resources = 1, +}; + +/***************************************************************************** + * 7-Segment on Device bus CS0 + * Dummy counter every 2 sec + ****************************************************************************/ + +static void __iomem *db88f5281_7seg; +static struct timer_list db88f5281_timer; + +static void db88f5281_7seg_event(unsigned long data) +{ + static int count = 0; + writel(0, db88f5281_7seg + (count << 4)); + count = (count + 1) & 7; + mod_timer(&db88f5281_timer, jiffies + 2 * HZ); +} + +static int __init db88f5281_7seg_init(void) +{ + if (machine_is_db88f5281()) { + db88f5281_7seg = ioremap(DB88F5281_7SEG_BASE, + DB88F5281_7SEG_SIZE); + if (!db88f5281_7seg) { + printk(KERN_ERR "Failed to ioremap db88f5281_7seg\n"); + return -EIO; + } + setup_timer(&db88f5281_timer, db88f5281_7seg_event, 0); + mod_timer(&db88f5281_timer, jiffies + 2 * HZ); + } + + return 0; +} + +__initcall(db88f5281_7seg_init); + +/***************************************************************************** + * PCI + ****************************************************************************/ + +void __init db88f5281_pci_preinit(void) +{ + int pin; + + /* + * Configure PCI GPIO IRQ pins + */ + pin = DB88F5281_PCI_SLOT0_IRQ_PIN; + if (gpio_request(pin, "PCI Int1") == 0) { + if (gpio_direction_input(pin) == 0) { + set_irq_type(gpio_to_irq(pin), IRQT_LOW); + } else { + printk(KERN_ERR "db88f5281_pci_preinit faield to " + "set_irq_type pin %d\n", pin); + gpio_free(pin); + } + } else { + printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin); + } + + pin = DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN; + if (gpio_request(pin, "PCI Int2") == 0) { + if (gpio_direction_input(pin) == 0) { + set_irq_type(gpio_to_irq(pin), IRQT_LOW); + } else { + printk(KERN_ERR "db88f5281_pci_preinit faield " + "to set_irq_type pin %d\n", pin); + gpio_free(pin); + } + } else { + printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin); + } +} + +static int __init db88f5281_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + /* + * PCIE IRQ is connected internally (not GPIO) + */ + if (dev->bus->number == orion5x_pcie_local_bus_nr()) + return IRQ_ORION5X_PCIE0_INT; + + /* + * PCI IRQs are connected via GPIOs + */ + switch (slot - |