diff options
Diffstat (limited to 'arch/arm/mach-orion5x/common.c')
| -rw-r--r-- | arch/arm/mach-orion5x/common.c | 456 |
1 files changed, 199 insertions, 257 deletions
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index faf4e321191..6bbb7b55c6d 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -13,22 +13,27 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/dma-mapping.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 <linux/delay.h> +#include <linux/clk-provider.h> +#include <linux/cpu.h> +#include <net/dsa.h> #include <asm/page.h> #include <asm/setup.h> -#include <asm/timex.h> +#include <asm/system_misc.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 <mach/bridge-regs.h> +#include <mach/hardware.h> +#include <mach/orion5x.h> +#include <linux/platform_data/mtd-orion_nand.h> +#include <linux/platform_data/usb-ehci-orion.h> +#include <plat/time.h> +#include <plat/common.h> #include "common.h" /***************************************************************************** @@ -36,22 +41,12 @@ ****************************************************************************/ static struct map_desc orion5x_io_desc[] __initdata = { { - .virtual = ORION5X_REGS_VIRT_BASE, + .virtual = (unsigned long) 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, + .virtual = (unsigned long) ORION5X_PCIE_WA_VIRT_BASE, .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE), .length = ORION5X_PCIE_WA_SIZE, .type = MT_DEVICE, @@ -65,306 +60,210 @@ void __init orion5x_map_io(void) /***************************************************************************** - * EHCI + * CLK tree ****************************************************************************/ -static struct orion_ehci_data orion5x_ehci_data = { - .dram = &orion5x_mbus_dram_info, -}; +static struct clk *tclk; -static u64 ehci_dmamask = 0xffffffffUL; +void __init clk_init(void) +{ + tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, + orion5x_tclk); + orion_clkdev_init(tclk); +} /***************************************************************************** * EHCI0 ****************************************************************************/ -static struct resource orion5x_ehci0_resources[] = { - { - .start = ORION5X_USB0_PHYS_BASE, - .end = ORION5X_USB0_PHYS_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_ORION5X_USB0_CTRL, - .end = IRQ_ORION5X_USB0_CTRL, - .flags = IORESOURCE_IRQ, - }, -}; - -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), -}; - void __init orion5x_ehci0_init(void) { - platform_device_register(&orion5x_ehci0); + orion_ehci_init(ORION5X_USB0_PHYS_BASE, IRQ_ORION5X_USB0_CTRL, + EHCI_PHY_ORION); } /***************************************************************************** * EHCI1 ****************************************************************************/ -static struct resource orion5x_ehci1_resources[] = { - { - .start = ORION5X_USB1_PHYS_BASE, - .end = ORION5X_USB1_PHYS_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_ORION5X_USB1_CTRL, - .end = IRQ_ORION5X_USB1_CTRL, - .flags = IORESOURCE_IRQ, - }, -}; - -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), -}; - void __init orion5x_ehci1_init(void) { - platform_device_register(&orion5x_ehci1); + orion_ehci_1_init(ORION5X_USB1_PHYS_BASE, IRQ_ORION5X_USB1_CTRL); } /***************************************************************************** - * GigE + * GE00 ****************************************************************************/ -struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = { - .dram = &orion5x_mbus_dram_info, - .t_clk = ORION5X_TCLK, -}; - -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, - .dev = { - .platform_data = &orion5x_eth_shared_data, - }, - .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) { - eth_data->shared = &orion5x_eth_shared; - orion5x_eth.dev.platform_data = eth_data; - - platform_device_register(&orion5x_eth_shared); - platform_device_register(&orion5x_eth); + orion_ge00_init(eth_data, + ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM, + IRQ_ORION5X_ETH_ERR, + MV643XX_TX_CSUM_DEFAULT_LIMIT); } /***************************************************************************** - * I2C + * Ethernet switch ****************************************************************************/ -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 + 0x1f, - .flags = IORESOURCE_MEM, - }, { - .name = "i2c irq", - .start = IRQ_ORION5X_I2C, - .end = IRQ_ORION5X_I2C, - .flags = IORESOURCE_IRQ, - }, -}; +void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq) +{ + orion_ge00_switch_init(d, 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, - }, -}; +/***************************************************************************** + * I2C + ****************************************************************************/ void __init orion5x_i2c_init(void) { - platform_device_register(&orion5x_i2c); + orion_i2c_init(I2C_PHYS_BASE, IRQ_ORION5X_I2C, 8); + } /***************************************************************************** * SATA ****************************************************************************/ -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); + orion_sata_init(sata_data, ORION5X_SATA_PHYS_BASE, IRQ_ORION5X_SATA); } /***************************************************************************** - * UART0 + * SPI ****************************************************************************/ -static struct plat_serial8250_port orion5x_uart0_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, - }, { - }, -}; - -static struct resource orion5x_uart0_resources[] = { - { - .start = UART0_PHYS_BASE, - .end = UART0_PHYS_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_ORION5X_UART0, - .end = IRQ_ORION5X_UART0, - .flags = IORESOURCE_IRQ, - }, -}; +void __init orion5x_spi_init(void) +{ + orion_spi_init(SPI_PHYS_BASE); +} -static struct platform_device orion5x_uart0 = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = orion5x_uart0_data, - }, - .resource = orion5x_uart0_resources, - .num_resources = ARRAY_SIZE(orion5x_uart0_resources), -}; +/***************************************************************************** + * UART0 + ****************************************************************************/ void __init orion5x_uart0_init(void) { - platform_device_register(&orion5x_uart0); + orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, + IRQ_ORION5X_UART0, tclk); } - /***************************************************************************** * UART1 ****************************************************************************/ -static struct plat_serial8250_port orion5x_uart1_data[] = { - { - .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, - }, { - }, -}; +void __init orion5x_uart1_init(void) +{ + orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, + IRQ_ORION5X_UART1, tclk); +} -static struct resource orion5x_uart1_resources[] = { - { - .start = UART1_PHYS_BASE, - .end = UART1_PHYS_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_ORION5X_UART1, - .end = IRQ_ORION5X_UART1, - .flags = IORESOURCE_IRQ, - }, -}; +/***************************************************************************** + * XOR engine + ****************************************************************************/ +void __init orion5x_xor_init(void) +{ + orion_xor0_init(ORION5X_XOR_PHYS_BASE, + ORION5X_XOR_PHYS_BASE + 0x200, + IRQ_ORION5X_XOR0, IRQ_ORION5X_XOR1); +} -static struct platform_device orion5x_uart1 = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM1, - .dev = { - .platform_data = orion5x_uart1_data, - }, - .resource = orion5x_uart1_resources, - .num_resources = ARRAY_SIZE(orion5x_uart1_resources), -}; +/***************************************************************************** + * Cryptographic Engines and Security Accelerator (CESA) + ****************************************************************************/ +static void __init orion5x_crypto_init(void) +{ + mvebu_mbus_add_window_by_id(ORION_MBUS_SRAM_TARGET, + ORION_MBUS_SRAM_ATTR, + ORION5X_SRAM_PHYS_BASE, + ORION5X_SRAM_SIZE); + orion_crypto_init(ORION5X_CRYPTO_PHYS_BASE, ORION5X_SRAM_PHYS_BASE, + SZ_8K, IRQ_ORION5X_CESA); +} -void __init orion5x_uart1_init(void) +/***************************************************************************** + * Watchdog + ****************************************************************************/ +static void __init orion5x_wdt_init(void) { - platform_device_register(&orion5x_uart1); + orion_wdt_init(); } /***************************************************************************** * Time handling ****************************************************************************/ -static void orion5x_timer_init(void) +void __init orion5x_init_early(void) { - orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK); + u32 rev, dev; + const char *mbus_soc_name; + + orion_time_set_base(TIMER_VIRT_BASE); + + /* Initialize the MBUS driver */ + orion5x_pcie_id(&dev, &rev); + if (dev == MV88F5281_DEV_ID) + mbus_soc_name = "marvell,orion5x-88f5281-mbus"; + else if (dev == MV88F5182_DEV_ID) + mbus_soc_name = "marvell,orion5x-88f5182-mbus"; + else if (dev == MV88F5181_DEV_ID) + mbus_soc_name = "marvell,orion5x-88f5181-mbus"; + else if (dev == MV88F6183_DEV_ID) + mbus_soc_name = "marvell,orion5x-88f6183-mbus"; + else + mbus_soc_name = NULL; + mvebu_mbus_init(mbus_soc_name, ORION5X_BRIDGE_WINS_BASE, + ORION5X_BRIDGE_WINS_SZ, + ORION5X_DDR_WINS_BASE, ORION5X_DDR_WINS_SZ); } -struct sys_timer orion5x_timer = { - .init = orion5x_timer_init, -}; +void orion5x_setup_wins(void) +{ + /* + * The PCIe windows will no longer be statically allocated + * here once Orion5x is migrated to the pci-mvebu driver. + */ + mvebu_mbus_add_window_remap_by_id(ORION_MBUS_PCIE_IO_TARGET, + ORION_MBUS_PCIE_IO_ATTR, + ORION5X_PCIE_IO_PHYS_BASE, + ORION5X_PCIE_IO_SIZE, + ORION5X_PCIE_IO_BUS_BASE); + mvebu_mbus_add_window_by_id(ORION_MBUS_PCIE_MEM_TARGET, + ORION_MBUS_PCIE_MEM_ATTR, + ORION5X_PCIE_MEM_PHYS_BASE, + ORION5X_PCIE_MEM_SIZE); + mvebu_mbus_add_window_remap_by_id(ORION_MBUS_PCI_IO_TARGET, + ORION_MBUS_PCI_IO_ATTR, + ORION5X_PCI_IO_PHYS_BASE, + ORION5X_PCI_IO_SIZE, + ORION5X_PCI_IO_BUS_BASE); + mvebu_mbus_add_window_by_id(ORION_MBUS_PCI_MEM_TARGET, + ORION_MBUS_PCI_MEM_ATTR, + ORION5X_PCI_MEM_PHYS_BASE, + ORION5X_PCI_MEM_SIZE); +} + +int orion5x_tclk; + +static int __init orion5x_find_tclk(void) +{ + u32 dev, rev; + + orion5x_pcie_id(&dev, &rev); + if (dev == MV88F6183_DEV_ID && + (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0) + return 133333333; + + return 166666667; +} + +void __init orion5x_timer_init(void) +{ + orion5x_tclk = orion5x_find_tclk(); + + orion_time_init(ORION5X_BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, + IRQ_ORION5X_BRIDGE, orion5x_tclk); +} /***************************************************************************** @@ -373,7 +272,7 @@ struct sys_timer orion5x_timer = { /* * Identify device ID and rev from PCIe configuration header space '0'. */ -static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) +void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) { orion5x_pcie_id(dev, rev); @@ -382,6 +281,8 @@ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) *dev_name = "MV88F5281-D2"; } else if (*rev == MV88F5281_REV_D1) { *dev_name = "MV88F5281-D1"; + } else if (*rev == MV88F5281_REV_D0) { + *dev_name = "MV88F5281-D0"; } else { *dev_name = "MV88F5281-Rev-Unsupported"; } @@ -399,6 +300,12 @@ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) } else { *dev_name = "MV88F5181(L)-Rev-Unsupported"; } + } else if (*dev == MV88F6183_DEV_ID) { + if (*rev == MV88F6183_REV_B0) { + *dev_name = "MV88F6183-Rev-B0"; + } else { + *dev_name = "MV88F6183-Rev-Unsupported"; + } } else { *dev_name = "Device-Unknown"; } @@ -410,20 +317,55 @@ void __init orion5x_init(void) u32 dev, rev; orion5x_id(&dev, &rev, &dev_name); - printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK); + printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk); /* * Setup Orion address map */ - orion5x_setup_cpu_mbus_bridge(); + orion5x_setup_wins(); + + /* Setup root of clk tree */ + clk_init(); + + /* + * Don't issue "Wait for Interrupt" instruction if we are + * running on D0 5281 silicon. + */ + if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) { + printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n"); + cpu_idle_poll_ctrl(true); + } + + /* + * The 5082/5181l/5182/6082/6082l/6183 have crypto + * while 5180n/5181/5281 don't have crypto. + */ + if ((dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0) || + dev == MV88F5182_DEV_ID || dev == MV88F6183_DEV_ID) + orion5x_crypto_init(); + + /* + * Register watchdog driver + */ + orion5x_wdt_init(); +} + +void orion5x_restart(enum reboot_mode mode, const char *cmd) +{ + /* + * Enable and issue soft reset + */ + orion5x_setbits(RSTOUTn_MASK, (1 << 2)); + orion5x_setbits(CPU_SOFT_RESET, 1); + mdelay(200); + orion5x_clrbits(CPU_SOFT_RESET, 1); } /* * 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) +void __init tag_fixup_mem32(struct tag *t, char **from) { for (; t->hdr.size; t = tag_next(t)) if (t->hdr.tag == ATAG_MEM && |