diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1550.c')
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1550.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/arch/mips/alchemy/devboards/pb1550.c b/arch/mips/alchemy/devboards/pb1550.c deleted file mode 100644 index b37e7de8d92..00000000000 --- a/arch/mips/alchemy/devboards/pb1550.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Pb1550 board support. - * - * Copyright (C) 2009-2011 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/dma-mapping.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <asm/mach-au1x00/au1000.h> -#include <asm/mach-au1x00/au1xxx_dbdma.h> -#include <asm/mach-au1x00/au1550nd.h> -#include <asm/mach-au1x00/gpio.h> -#include <asm/mach-db1x00/bcsr.h> -#include "platform.h" - -const char *get_system_type(void) -{ - return "PB1550"; -} - -void __init board_setup(void) -{ - u32 pin_func; - - bcsr_init(PB1550_BCSR_PHYS_ADDR, - PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS); - - alchemy_gpio2_enable(); - - /* - * Enable PSC1 SYNC for AC'97. Normaly done in audio driver, - * but it is board specific code, so put it here. - */ - pin_func = au_readl(SYS_PINFUNC); - au_sync(); - pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; - au_writel(pin_func, SYS_PINFUNC); - - bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */ - - printk(KERN_INFO "AMD Alchemy Pb1550 Board\n"); -} - -/******************************************************************************/ - -static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin) -{ - if ((slot < 12) || (slot > 13) || pin == 0) - return -1; - if (slot == 12) { - switch (pin) { - case 1: return AU1500_PCI_INTB; - case 2: return AU1500_PCI_INTC; - case 3: return AU1500_PCI_INTD; - case 4: return AU1500_PCI_INTA; - } - } - 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 pb1550_pci_pd = { - .board_map_irq = pb1550_map_pci_irq, -}; - -static struct platform_device pb1550_pci_host = { - .dev.platform_data = &pb1550_pci_pd, - .name = "alchemy-pci", - .id = 0, - .num_resources = ARRAY_SIZE(alchemy_pci_host_res), - .resource = alchemy_pci_host_res, -}; - -static struct resource au1550_psc2_res[] = { - [0] = { - .start = AU1550_PSC2_PHYS_ADDR, - .end = AU1550_PSC2_PHYS_ADDR + 0xfff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AU1550_PSC2_INT, - .end = AU1550_PSC2_INT, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = AU1550_DSCR_CMD0_PSC2_TX, - .end = AU1550_DSCR_CMD0_PSC2_TX, - .flags = IORESOURCE_DMA, - }, - [3] = { - .start = AU1550_DSCR_CMD0_PSC2_RX, - .end = AU1550_DSCR_CMD0_PSC2_RX, - .flags = IORESOURCE_DMA, - }, -}; - -static struct platform_device pb1550_i2c_dev = { - .name = "au1xpsc_smbus", - .id = 0, /* bus number */ - .num_resources = ARRAY_SIZE(au1550_psc2_res), - .resource = au1550_psc2_res, -}; - -static struct mtd_partition pb1550_nand_parts[] = { - [0] = { - .name = "NAND FS 0", - .offset = 0, - .size = 8 * 1024 * 1024, - }, - [1] = { - .name = "NAND FS 1", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct au1550nd_platdata pb1550_nand_pd = { - .parts = pb1550_nand_parts, - .num_parts = ARRAY_SIZE(pb1550_nand_parts), - .devwidth = 0, /* x8 NAND default, needs fixing up */ -}; - -static struct resource pb1550_nand_res[] = { - [0] = { - .start = 0x20000000, - .end = 0x20000fff, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device pb1550_nand_dev = { - .name = "au1550-nand", - .id = -1, - .resource = pb1550_nand_res, - .num_resources = ARRAY_SIZE(pb1550_nand_res), - .dev = { - .platform_data = &pb1550_nand_pd, - }, -}; - -static void __init pb1550_nand_setup(void) -{ - int boot_swapboot = (au_readl(MEM_STSTAT) & (0x7 << 1)) | - ((bcsr_read(BCSR_STATUS) >> 6) & 0x1); - - switch (boot_swapboot) { - case 0: - case 2: - case 8: - case 0xC: - case 0xD: - /* x16 NAND Flash */ - pb1550_nand_pd.devwidth = 1; - /* fallthrough */ - case 1: - case 9: - case 3: - case 0xE: - case 0xF: - /* x8 NAND, already set up */ - platform_device_register(&pb1550_nand_dev); - } -} - -static int __init pb1550_dev_init(void) -{ - int swapped; - - irq_set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW); - irq_set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW); - irq_set_irq_type(AU1550_GPIO201_205_INT, IRQF_TRIGGER_HIGH); - - /* enable both PCMCIA card irqs in the shared line */ - alchemy_gpio2_enable_int(201); - alchemy_gpio2_enable_int(202); - - /* Pb1550, like all others, also has statuschange irqs; however they're - * wired up on one of the Au1550's shared GPIO201_205 line, which also - * services the PCMCIA card interrupts. So we ignore statuschange and - * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia - * drivers are used to shared irqs and b) statuschange isn't really use- - * ful anyway. - */ - 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, - AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0); - - db1x_register_pcmcia_socket( - AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000, - AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1, - AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008000000, - AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1, - AU1000_PCMCIA_IO_PHYS_ADDR + 0x008000000, - AU1000_PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1, - AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1); - - /* NAND setup */ - gpio_direction_input(206); /* GPIO206 high */ - pb1550_nand_setup(); - - swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT; - db1x_register_norflash(128 * 1024 * 1024, 4, swapped); - platform_device_register(&pb1550_pci_host); - platform_device_register(&pb1550_i2c_dev); - - return 0; -} -arch_initcall(pb1550_dev_init); |