MIPS: Alchemy: merge devboard code into single per-board files.
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2884/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/alchemy/devboards/pb1100.c b/arch/mips/alchemy/devboards/pb1100.c
new file mode 100644
index 0000000..cff50d0
--- /dev/null
+++ b/arch/mips/alchemy/devboards/pb1100.c
@@ -0,0 +1,167 @@
+/*
+ * 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 defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+ {
+ 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 /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
+
+ /* 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);