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authorManuel Lauss <manuel.lauss@googlemail.com>2011-11-10 12:06:21 +0000
committerRalf Baechle <ralf@linux-mips.org>2011-12-07 22:02:06 +0000
commit7c4b24da07d99b5473de7cc7ba3f67d85b889bc0 (patch)
treeec1369de73ee0e682c07377b933706600a6725ff /arch/mips/alchemy/devboards/db1x00.c
parent8e026910fcd46c3cfcdf5cff7ebba013bb8ec85c (diff)
downloadop-kernel-dev-7c4b24da07d99b5473de7cc7ba3f67d85b889bc0.zip
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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>
Diffstat (limited to 'arch/mips/alchemy/devboards/db1x00.c')
-rw-r--r--arch/mips/alchemy/devboards/db1x00.c256
1 files changed, 256 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/db1x00.c b/arch/mips/alchemy/devboards/db1x00.c
new file mode 100644
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--- /dev/null
+++ b/arch/mips/alchemy/devboards/db1x00.c
@@ -0,0 +1,256 @@
+/*
+ * DBAu1000/1500/1100 board support
+ *
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 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/dma-mapping.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1000_dma.h>
+#include <asm/mach-db1x00/bcsr.h>
+#include <asm/reboot.h>
+#include <prom.h>
+#include "platform.h"
+
+struct pci_dev;
+
+const char *get_system_type(void)
+{
+ return "Alchemy Db1x00";
+}
+
+void __init board_setup(void)
+{
+#ifdef CONFIG_MIPS_DB1000
+ printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1500
+ printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1100
+ printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
+#endif
+ /* initialize board register space */
+ bcsr_init(DB1000_BCSR_PHYS_ADDR,
+ DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
+
+#if defined(CONFIG_IRDA) && defined(CONFIG_AU1000_FIR)
+ {
+ u32 pin_func;
+
+ /* Set IRFIRSEL instead of GPIO15 */
+ pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;
+ au_writel(pin_func, SYS_PINFUNC);
+ /* Power off until the driver is in use */
+ bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK,
+ BCSR_RESETS_IRDA_MODE_OFF);
+ }
+#endif
+ bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */
+
+ /* Enable GPIO[31:0] inputs */
+ alchemy_gpio1_input_enable();
+}
+
+/* DB1xxx PCMCIA interrupt sources:
+ * CD0/1 GPIO0/3
+ * STSCHG0/1 GPIO1/4
+ * CARD0/1 GPIO2/5
+ */
+
+#define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT)
+
+#if defined(CONFIG_MIPS_DB1000)
+#define DB1XXX_PCMCIA_CD0 AU1000_GPIO0_INT
+#define DB1XXX_PCMCIA_STSCHG0 AU1000_GPIO1_INT
+#define DB1XXX_PCMCIA_CARD0 AU1000_GPIO2_INT
+#define DB1XXX_PCMCIA_CD1 AU1000_GPIO3_INT
+#define DB1XXX_PCMCIA_STSCHG1 AU1000_GPIO4_INT
+#define DB1XXX_PCMCIA_CARD1 AU1000_GPIO5_INT
+#elif defined(CONFIG_MIPS_DB1100)
+#define DB1XXX_PCMCIA_CD0 AU1100_GPIO0_INT
+#define DB1XXX_PCMCIA_STSCHG0 AU1100_GPIO1_INT
+#define DB1XXX_PCMCIA_CARD0 AU1100_GPIO2_INT
+#define DB1XXX_PCMCIA_CD1 AU1100_GPIO3_INT
+#define DB1XXX_PCMCIA_STSCHG1 AU1100_GPIO4_INT
+#define DB1XXX_PCMCIA_CARD1 AU1100_GPIO5_INT
+#elif defined(CONFIG_MIPS_DB1500)
+#define DB1XXX_PCMCIA_CD0 AU1500_GPIO0_INT
+#define DB1XXX_PCMCIA_STSCHG0 AU1500_GPIO1_INT
+#define DB1XXX_PCMCIA_CARD0 AU1500_GPIO2_INT
+#define DB1XXX_PCMCIA_CD1 AU1500_GPIO3_INT
+#define DB1XXX_PCMCIA_STSCHG1 AU1500_GPIO4_INT
+#define DB1XXX_PCMCIA_CARD1 AU1500_GPIO5_INT
+
+static int db1500_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 db1500_pci_pd = {
+ .board_map_irq = db1500_map_pci_irq,
+};
+
+static struct platform_device db1500_pci_host_dev = {
+ .dev.platform_data = &db1500_pci_pd,
+ .name = "alchemy-pci",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(alchemy_pci_host_res),
+ .resource = alchemy_pci_host_res,
+};
+
+static int __init db1500_pci_init(void)
+{
+ return platform_device_register(&db1500_pci_host_dev);
+}
+/* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
+arch_initcall(db1500_pci_init);
+#endif
+
+#ifdef CONFIG_MIPS_DB1100
+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,
+};
+#endif
+
+static struct resource alchemy_ac97c_res[] = {
+ [0] = {
+ .start = AU1000_AC97_PHYS_ADDR,
+ .end = AU1000_AC97_PHYS_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMA_ID_AC97C_TX,
+ .end = DMA_ID_AC97C_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMA_ID_AC97C_RX,
+ .end = DMA_ID_AC97C_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device alchemy_ac97c_dev = {
+ .name = "alchemy-ac97c",
+ .id = -1,
+ .resource = alchemy_ac97c_res,
+ .num_resources = ARRAY_SIZE(alchemy_ac97c_res),
+};
+
+static struct platform_device alchemy_ac97c_dma_dev = {
+ .name = "alchemy-pcm-dma",
+ .id = 0,
+};
+
+static struct platform_device db1x00_codec_dev = {
+ .name = "ac97-codec",
+ .id = -1,
+};
+
+static struct platform_device db1x00_audio_dev = {
+ .name = "db1000-audio",
+};
+
+static int __init db1xxx_dev_init(void)
+{
+ irq_set_irq_type(DB1XXX_PCMCIA_CD0, IRQ_TYPE_EDGE_BOTH);
+ irq_set_irq_type(DB1XXX_PCMCIA_CD1, IRQ_TYPE_EDGE_BOTH);
+ irq_set_irq_type(DB1XXX_PCMCIA_CARD0, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(DB1XXX_PCMCIA_CARD1, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(DB1XXX_PCMCIA_STSCHG0, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(DB1XXX_PCMCIA_STSCHG1, IRQ_TYPE_LEVEL_LOW);
+
+ 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,
+ DB1XXX_PCMCIA_CARD0, DB1XXX_PCMCIA_CD0,
+ /*DB1XXX_PCMCIA_STSCHG0*/0, 0, 0);
+
+ db1x_register_pcmcia_socket(
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004400000 - 1,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x004010000 - 1,
+ DB1XXX_PCMCIA_CARD1, DB1XXX_PCMCIA_CD1,
+ /*DB1XXX_PCMCIA_STSCHG1*/0, 0, 1);
+#ifdef CONFIG_MIPS_DB1100
+ platform_device_register(&au1100_lcd_device);
+#endif
+ platform_device_register(&db1x00_codec_dev);
+ platform_device_register(&alchemy_ac97c_dma_dev);
+ platform_device_register(&alchemy_ac97c_dev);
+ platform_device_register(&db1x00_audio_dev);
+
+ db1x_register_norflash(32 << 20, 4 /* 32bit */, F_SWAPPED);
+ return 0;
+}
+device_initcall(db1xxx_dev_init);
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