diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1500.c')
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1500.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/arch/mips/alchemy/devboards/pb1500.c b/arch/mips/alchemy/devboards/pb1500.c deleted file mode 100644 index 232fee942000..000000000000 --- a/arch/mips/alchemy/devboards/pb1500.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Pb1500 board support. - * - * Copyright (C) 2009 Manuel Lauss - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/delay.h> -#include <linux/dma-mapping.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <asm/mach-au1x00/au1000.h> -#include <asm/mach-db1x00/bcsr.h> -#include <prom.h> -#include "platform.h" - -const char *get_system_type(void) -{ - return "PB1500"; -} - -void __init board_setup(void) -{ - u32 pin_func; - u32 sys_freqctrl, sys_clksrc; - - bcsr_init(DB1000_BCSR_PHYS_ADDR, - DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS); - - sys_clksrc = sys_freqctrl = pin_func = 0; - /* Set AUX clock to 12 MHz * 8 = 96 MHz */ - au_writel(8, SYS_AUXPLL); - alchemy_gpio1_input_enable(); - udelay(100); - - /* GPIO201 is input for PCMCIA card detect */ - /* GPIO203 is input for PCMCIA interrupt request */ - alchemy_gpio_direction_input(201); - alchemy_gpio_direction_input(203); - -#if IS_ENABLED(CONFIG_USB_OHCI_HCD) - - /* Zero and disable FREQ2 */ - sys_freqctrl = au_readl(SYS_FREQCTRL0); - sys_freqctrl &= ~0xFFF00000; - au_writel(sys_freqctrl, SYS_FREQCTRL0); - - /* zero and disable USBH/USBD clocks */ - sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | - SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); - au_writel(sys_clksrc, SYS_CLKSRC); - - sys_freqctrl = au_readl(SYS_FREQCTRL0); - sys_freqctrl &= ~0xFFF00000; - - sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | - SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); - - /* FREQ2 = aux/2 = 48 MHz */ - sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2; - au_writel(sys_freqctrl, SYS_FREQCTRL0); - - /* - * Route 48MHz FREQ2 into USB Host and/or Device - */ - sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT; - au_writel(sys_clksrc, SYS_CLKSRC); - - pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB; - /* 2nd USB port is USB host */ - pin_func |= SYS_PF_USB; - au_writel(pin_func, SYS_PINFUNC); -#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */ - -#ifdef CONFIG_PCI - { - void __iomem *base = - (void __iomem *)KSEG1ADDR(AU1500_PCI_PHYS_ADDR); - /* Setup PCI bus controller */ - __raw_writel(0x00003fff, base + PCI_REG_CMEM); - __raw_writel(0xf0000000, base + PCI_REG_MWMASK_DEV); - __raw_writel(0, base + PCI_REG_MWBASE_REV_CCL); - __raw_writel(0x02a00356, base + PCI_REG_STATCMD); - __raw_writel(0x00003c04, base + PCI_REG_PARAM); - __raw_writel(0x00000008, base + PCI_REG_MBAR); - wmb(); - } -#endif - - /* Enable sys bus clock divider when IDLE state or no bus activity. */ - au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); - - /* Enable the RTC if not already enabled */ - if (!(au_readl(0xac000028) & 0x20)) { - printk(KERN_INFO "enabling clock ...\n"); - au_writel((au_readl(0xac000028) | 0x20), 0xac000028); - } - /* Put the clock in BCD mode */ - if (au_readl(0xac00002c) & 0x4) { /* reg B */ - au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c); - au_sync(); - } -} - -/******************************************************************************/ - -static int pb1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin) -{ - if ((slot < 12) || (slot > 13) || pin == 0) - return -1; - if (slot == 12) - return (pin == 1) ? AU1500_PCI_INTA : 0xff; - if (slot == 13) { - switch (pin) { - case 1: return AU1500_PCI_INTA; - case 2: return AU1500_PCI_INTB; - case 3: return AU1500_PCI_INTC; - case 4: return AU1500_PCI_INTD; - } - } - return -1; -} - -static struct resource alchemy_pci_host_res[] = { - [0] = { - .start = AU1500_PCI_PHYS_ADDR, - .end = AU1500_PCI_PHYS_ADDR + 0xfff, - .flags = IORESOURCE_MEM, - }, -}; - -static struct alchemy_pci_platdata pb1500_pci_pd = { - .board_map_irq = pb1500_map_pci_irq, - .pci_cfg_set = PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H | - PCI_CONFIG_CH | -#if defined(__MIPSEB__) - PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM, -#else - 0, -#endif -}; - -static struct platform_device pb1500_pci_host = { - .dev.platform_data = &pb1500_pci_pd, - .name = "alchemy-pci", - .id = 0, - .num_resources = ARRAY_SIZE(alchemy_pci_host_res), - .resource = alchemy_pci_host_res, -}; - -static int __init pb1500_dev_init(void) -{ - int swapped; - - irq_set_irq_type(AU1500_GPIO9_INT, IRQF_TRIGGER_LOW); /* CD0# */ - irq_set_irq_type(AU1500_GPIO10_INT, IRQF_TRIGGER_LOW); /* CARD0 */ - irq_set_irq_type(AU1500_GPIO11_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */ - irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH); - irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW); - irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW); - irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW); - irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW); - - /* PCMCIA. single socket, identical to Pb1100 */ - db1x_register_pcmcia_socket( - AU1000_PCMCIA_ATTR_PHYS_ADDR, - AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1, - AU1000_PCMCIA_MEM_PHYS_ADDR, - AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, - AU1000_PCMCIA_IO_PHYS_ADDR, - AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, - AU1500_GPIO11_INT, AU1500_GPIO9_INT, /* card / insert */ - /*AU1500_GPIO10_INT*/0, 0, 0); /* stschg / eject / id */ - - swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT; - db1x_register_norflash(64 * 1024 * 1024, 4, swapped); - platform_device_register(&pb1500_pci_host); - - return 0; -} -arch_initcall(pb1500_dev_init); |