aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/alchemy/devboards/pb1500.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1500.c')
-rw-r--r--arch/mips/alchemy/devboards/pb1500.c198
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 232fee94200..00000000000
--- 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);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-30 23:37:40 +0000