diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1100.c')
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1100.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/arch/mips/alchemy/devboards/pb1100.c b/arch/mips/alchemy/devboards/pb1100.c deleted file mode 100644 index 78c77a44a317..000000000000 --- a/arch/mips/alchemy/devboards/pb1100.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Pb1100 board platform device registration - * - * 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/gpio.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/dma-mapping.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 "PB1100"; -} - -void __init board_setup(void) -{ - volatile void __iomem *base = (volatile void __iomem *)0xac000000UL; - - bcsr_init(DB1000_BCSR_PHYS_ADDR, - DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS); - - /* Set AUX clock to 12 MHz * 8 = 96 MHz */ - au_writel(8, SYS_AUXPLL); - alchemy_gpio1_input_enable(); - udelay(100); - -#if IS_ENABLED(CONFIG_USB_OHCI_HCD) - { - u32 pin_func, sys_freqctrl, sys_clksrc; - - /* Configure pins GPIO[14:9] as GPIO */ - pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3; - - /* Zero and disable FREQ2 */ - sys_freqctrl = au_readl(SYS_FREQCTRL0); - sys_freqctrl &= ~0xFFF00000; - au_writel(sys_freqctrl, SYS_FREQCTRL0); - - /* Zero and disable USBH/USBD/IrDA clock */ - sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_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_CIR | SYS_CS_DIR | SYS_CS_MIR_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 48 MHz FREQ2 into USBH/USBD/IrDA - */ - sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT; - au_writel(sys_clksrc, SYS_CLKSRC); - - /* Setup the static bus controller */ - au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */ - au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */ - au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */ - - /* - * Get USB Functionality pin state (device vs host drive pins). - */ - 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) */ - - /* 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 (!(readb(base + 0x28) & 0x20)) { - writeb(readb(base + 0x28) | 0x20, base + 0x28); - au_sync(); - } - /* Put the clock in BCD mode. */ - if (readb(base + 0x2C) & 0x4) { /* reg B */ - writeb(readb(base + 0x2c) & ~0x4, base + 0x2c); - au_sync(); - } -} - -/******************************************************************************/ - -static struct resource au1100_lcd_resources[] = { - [0] = { - .start = AU1100_LCD_PHYS_ADDR, - .end = AU1100_LCD_PHYS_ADDR + 0x800 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AU1100_LCD_INT, - .end = AU1100_LCD_INT, - .flags = IORESOURCE_IRQ, - } -}; - -static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32); - -static struct platform_device au1100_lcd_device = { - .name = "au1100-lcd", - .id = 0, - .dev = { - .dma_mask = &au1100_lcd_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(au1100_lcd_resources), - .resource = au1100_lcd_resources, -}; - -static int __init pb1100_dev_init(void) -{ - int swapped; - - irq_set_irq_type(AU1100_GPIO9_INT, IRQF_TRIGGER_LOW); /* PCCD# */ - irq_set_irq_type(AU1100_GPIO10_INT, IRQF_TRIGGER_LOW); /* PCSTSCHG# */ - irq_set_irq_type(AU1100_GPIO11_INT, IRQF_TRIGGER_LOW); /* PCCard# */ - irq_set_irq_type(AU1100_GPIO13_INT, IRQF_TRIGGER_LOW); /* DC_IRQ# */ - - /* PCMCIA. single socket, identical to Pb1500 */ - 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, - AU1100_GPIO11_INT, AU1100_GPIO9_INT, /* card / insert */ - /*AU1100_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(&au1100_lcd_device); - - return 0; -} -device_initcall(pb1100_dev_init); |