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Diffstat (limited to 'arch/arm/mach-ns9xxx/board-a9m9750dev.c')
-rw-r--r--arch/arm/mach-ns9xxx/board-a9m9750dev.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/arch/arm/mach-ns9xxx/board-a9m9750dev.c b/arch/arm/mach-ns9xxx/board-a9m9750dev.c
deleted file mode 100644
index e27687d53504..000000000000
--- a/arch/arm/mach-ns9xxx/board-a9m9750dev.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * arch/arm/mach-ns9xxx/board-a9m9750dev.c
- *
- * Copyright (C) 2006,2007 by Digi International Inc.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-#include <linux/irq.h>
-
-#include <asm/mach/map.h>
-#include <asm/gpio.h>
-
-#include <mach/board.h>
-#include <mach/processor-ns9360.h>
-#include <mach/regs-sys-ns9360.h>
-#include <mach/regs-mem.h>
-#include <mach/regs-bbu.h>
-#include <mach/regs-board-a9m9750dev.h>
-
-#include "board-a9m9750dev.h"
-
-static struct map_desc board_a9m9750dev_io_desc[] __initdata = {
- { /* FPGA on CS0 */
- .virtual = io_p2v(NS9XXX_CSxSTAT_PHYS(0)),
- .pfn = __phys_to_pfn(NS9XXX_CSxSTAT_PHYS(0)),
- .length = NS9XXX_CS0STAT_LENGTH,
- .type = MT_DEVICE,
- },
-};
-
-void __init board_a9m9750dev_map_io(void)
-{
- iotable_init(board_a9m9750dev_io_desc,
- ARRAY_SIZE(board_a9m9750dev_io_desc));
-}
-
-static void a9m9750dev_fpga_ack_irq(struct irq_data *d)
-{
- /* nothing */
-}
-
-static void a9m9750dev_fpga_mask_irq(struct irq_data *d)
-{
- u8 ier;
-
- ier = __raw_readb(FPGA_IER);
-
- ier &= ~(1 << (d->irq - FPGA_IRQ(0)));
-
- __raw_writeb(ier, FPGA_IER);
-}
-
-static void a9m9750dev_fpga_maskack_irq(struct irq_data *d)
-{
- a9m9750dev_fpga_mask_irq(d);
- a9m9750dev_fpga_ack_irq(d);
-}
-
-static void a9m9750dev_fpga_unmask_irq(struct irq_data *d)
-{
- u8 ier;
-
- ier = __raw_readb(FPGA_IER);
-
- ier |= 1 << (d->irq - FPGA_IRQ(0));
-
- __raw_writeb(ier, FPGA_IER);
-}
-
-static struct irq_chip a9m9750dev_fpga_chip = {
- .irq_ack = a9m9750dev_fpga_ack_irq,
- .irq_mask = a9m9750dev_fpga_mask_irq,
- .irq_mask_ack = a9m9750dev_fpga_maskack_irq,
- .irq_unmask = a9m9750dev_fpga_unmask_irq,
-};
-
-static void a9m9750dev_fpga_demux_handler(unsigned int irq,
- struct irq_desc *desc)
-{
- u8 stat = __raw_readb(FPGA_ISR);
-
- desc->irq_data.chip->irq_mask_ack(&desc->irq_data);
-
- while (stat != 0) {
- int irqno = fls(stat) - 1;
-
- stat &= ~(1 << irqno);
-
- generic_handle_irq(FPGA_IRQ(irqno));
- }
-
- desc->irq_data.chip->irq_unmask(&desc->irq_data);
-}
-
-void __init board_a9m9750dev_init_irq(void)
-{
- u32 eic;
- int i;
-
- if (gpio_request(11, "board a9m9750dev extirq2") == 0)
- ns9360_gpio_configure(11, 0, 1);
- else
- printk(KERN_ERR "%s: cannot get gpio 11 for IRQ_NS9XXX_EXT2\n",
- __func__);
-
- for (i = FPGA_IRQ(0); i <= FPGA_IRQ(7); ++i) {
- irq_set_chip_and_handler(i, &a9m9750dev_fpga_chip,
- handle_level_irq);
- set_irq_flags(i, IRQF_VALID);
- }
-
- /* IRQ_NS9XXX_EXT2: level sensitive + active low */
- eic = __raw_readl(SYS_EIC(2));
- REGSET(eic, SYS_EIC, PLTY, AL);
- REGSET(eic, SYS_EIC, LVEDG, LEVEL);
- __raw_writel(eic, SYS_EIC(2));
-
- irq_set_chained_handler(IRQ_NS9XXX_EXT2,
- a9m9750dev_fpga_demux_handler);
-}
-
-void __init board_a9m9750dev_init_machine(void)
-{
- u32 reg;
-
- /* setup static CS0: memory base ... */
- reg = __raw_readl(SYS_SMCSSMB(0));
- REGSETIM(reg, SYS_SMCSSMB, CSxB, NS9XXX_CSxSTAT_PHYS(0) >> 12);
- __raw_writel(reg, SYS_SMCSSMB(0));
-
- /* ... and mask */
- reg = __raw_readl(SYS_SMCSSMM(0));
- REGSETIM(reg, SYS_SMCSSMM, CSxM, 0xfffff);
- REGSET(reg, SYS_SMCSSMM, CSEx, EN);
- __raw_writel(reg, SYS_SMCSSMM(0));
-
- /* setup static CS0: memory configuration */
- reg = __raw_readl(MEM_SMC(0));
- REGSET(reg, MEM_SMC, PSMC, OFF);
- REGSET(reg, MEM_SMC, BSMC, OFF);
- REGSET(reg, MEM_SMC, EW, OFF);
- REGSET(reg, MEM_SMC, PB, 1);
- REGSET(reg, MEM_SMC, PC, AL);
- REGSET(reg, MEM_SMC, PM, DIS);
- REGSET(reg, MEM_SMC, MW, 8);
- __raw_writel(reg, MEM_SMC(0));
-
- /* setup static CS0: timing */
- __raw_writel(0x2, MEM_SMWED(0));
- __raw_writel(0x2, MEM_SMOED(0));
- __raw_writel(0x6, MEM_SMRD(0));
- __raw_writel(0x6, MEM_SMWD(0));
-}