[ARM] 5280/1: pxa: prepare cm-x2xx.c and cm-x2xx-pci.[ch] for addition of CM-X255
- Change CM-X255 and CM-X270 common function prefix from cmx270 to cmx2xx - Split cmx2xx_init to common and CM-X270-specific parts - Use dynamic assignement for DM9000 resources and led GPIOs. Signed-off-by: Russ Dill <russ.dill@gmail.com> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>hifive-unleashed-5.1
Mike Rapoport
Russell King
parent
7d76e3f171
commit
da591937ba
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@ -1,5 +1,5 @@
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/*
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* linux/arch/arm/mach-pxa/cm-x270-pci.c
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* linux/arch/arm/mach-pxa/cm-x2xx-pci.c
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*
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* PCI bios-type initialisation for PCI machines
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*
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@ -28,7 +28,7 @@
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#include <asm/hardware/it8152.h>
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unsigned long it8152_base_address;
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static int cmx270_it8152_irq_gpio;
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static int cmx2xx_it8152_irq_gpio;
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/*
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* Only first 64MB of memory can be accessed via PCI.
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@ -36,13 +36,13 @@ static int cmx270_it8152_irq_gpio;
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* This is really ugly and we need a better way of specifying
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* DMA-capable regions of memory.
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*/
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void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size,
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void __init cmx2xx_pci_adjust_zones(int node, unsigned long *zone_size,
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unsigned long *zhole_size)
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{
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unsigned int sz = SZ_64M >> PAGE_SHIFT;
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if (machine_is_armcore()) {
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pr_info("Adjusting zones for CM-X270\n");
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pr_info("Adjusting zones for CM-X2XX\n");
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/*
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* Only adjust if > 64M on current system
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@ -57,29 +57,29 @@ void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size,
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}
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}
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static void cmx270_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
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static void cmx2xx_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
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{
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/* clear our parent irq */
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GEDR(cmx270_it8152_irq_gpio) = GPIO_bit(cmx270_it8152_irq_gpio);
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GEDR(cmx2xx_it8152_irq_gpio) = GPIO_bit(cmx2xx_it8152_irq_gpio);
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it8152_irq_demux(irq, desc);
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}
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void __cmx270_pci_init_irq(int irq_gpio)
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void __cmx2xx_pci_init_irq(int irq_gpio)
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{
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it8152_init_irq();
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cmx270_it8152_irq_gpio = irq_gpio;
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cmx2xx_it8152_irq_gpio = irq_gpio;
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set_irq_type(gpio_to_irq(irq_gpio), IRQ_TYPE_EDGE_RISING);
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set_irq_chained_handler(gpio_to_irq(irq_gpio), cmx270_it8152_irq_demux);
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set_irq_chained_handler(gpio_to_irq(irq_gpio), cmx2xx_it8152_irq_demux);
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}
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#ifdef CONFIG_PM
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static unsigned long sleep_save_ite[10];
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void __cmx270_pci_suspend(void)
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void __cmx2xx_pci_suspend(void)
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{
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/* save ITE state */
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sleep_save_ite[0] = __raw_readl(IT8152_INTC_PDCNIMR);
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@ -91,7 +91,7 @@ void __cmx270_pci_suspend(void)
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__raw_writel((0), IT8152_INTC_LPCNIRR);
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}
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void __cmx270_pci_resume(void)
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void __cmx2xx_pci_resume(void)
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{
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/* restore IT8152 state */
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__raw_writel((sleep_save_ite[0]), IT8152_INTC_PDCNIMR);
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@ -99,12 +99,12 @@ void __cmx270_pci_resume(void)
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__raw_writel((sleep_save_ite[2]), IT8152_INTC_LPNIAR);
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}
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#else
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void cmx270_pci_suspend(void) {}
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void cmx270_pci_resume(void) {}
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void cmx2xx_pci_suspend(void) {}
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void cmx2xx_pci_resume(void) {}
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#endif
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/* PCI IRQ mapping*/
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static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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static int __init cmx2xx_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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{
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int irq;
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@ -116,14 +116,14 @@ static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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/*
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Here comes the ugly part. The routing is baseboard specific,
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but defining a platform for each possible base of CM-X270 is
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unrealistic. Here we keep mapping for ATXBase and SB-X270.
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but defining a platform for each possible base of CM-X2XX is
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unrealistic. Here we keep mapping for ATXBase and SB-X2XX.
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*/
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/* ATXBASE PCI slot */
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if (slot == 7)
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return IT8152_PCI_INTA;
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/* ATXBase/SB-x270 CardBus */
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/* ATXBase/SB-X2XX CardBus */
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if (slot == 8 || slot == 0)
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return IT8152_PCI_INTB;
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@ -144,9 +144,9 @@ static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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return(0);
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}
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static void cmx270_pci_preinit(void)
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static void cmx2xx_pci_preinit(void)
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{
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pr_info("Initializing CM-X270 PCI subsystem\n");
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pr_info("Initializing CM-X2XX PCI subsystem\n");
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__raw_writel(0x800, IT8152_PCI_CFG_ADDR);
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if (__raw_readl(IT8152_PCI_CFG_DATA) == 0x81521283) {
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@ -200,21 +200,21 @@ static void cmx270_pci_preinit(void)
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}
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}
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static struct hw_pci cmx270_pci __initdata = {
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static struct hw_pci cmx2xx_pci __initdata = {
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.swizzle = pci_std_swizzle,
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.map_irq = cmx270_pci_map_irq,
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.map_irq = cmx2xx_pci_map_irq,
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.nr_controllers = 1,
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.setup = it8152_pci_setup,
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.scan = it8152_pci_scan_bus,
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.preinit = cmx270_pci_preinit,
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.preinit = cmx2xx_pci_preinit,
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};
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static int __init cmx270_init_pci(void)
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static int __init cmx2xx_init_pci(void)
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{
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if (machine_is_armcore())
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pci_common_init(&cmx270_pci);
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pci_common_init(&cmx2xx_pci);
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return 0;
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}
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subsys_initcall(cmx270_init_pci);
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subsys_initcall(cmx2xx_init_pci);
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@ -1,13 +1,13 @@
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extern void __cmx270_pci_init_irq(int irq_gpio);
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extern void __cmx270_pci_suspend(void);
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extern void __cmx270_pci_resume(void);
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extern void __cmx2xx_pci_init_irq(int irq_gpio);
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extern void __cmx2xx_pci_suspend(void);
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extern void __cmx2xx_pci_resume(void);
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#ifdef CONFIG_PCI
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#define cmx270_pci_init_irq(x) __cmx270_pci_init_irq(x)
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#define cmx270_pci_suspend(x) __cmx270_pci_suspend(x)
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#define cmx270_pci_resume(x) __cmx270_pci_resume(x)
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#define cmx2xx_pci_init_irq(x) __cmx2xx_pci_init_irq(x)
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#define cmx2xx_pci_suspend(x) __cmx2xx_pci_suspend(x)
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#define cmx2xx_pci_resume(x) __cmx2xx_pci_resume(x)
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#else
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#define cmx270_pci_init_irq(x) do {} while (0)
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#define cmx270_pci_suspend(x) do {} while (0)
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#define cmx270_pci_resume(x) do {} while (0)
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#define cmx2xx_pci_init_irq(x) do {} while (0)
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#define cmx2xx_pci_suspend(x) do {} while (0)
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#define cmx2xx_pci_resume(x) do {} while (0)
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#endif
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@ -1,5 +1,5 @@
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/*
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* linux/arch/arm/mach-pxa/cm-x270.c
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* linux/arch/arm/mach-pxa/cm-x2xx.c
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*
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* Copyright (C) 2007, 2008 CompuLab, Ltd.
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* Mike Rapoport <mike@compulab.co.il>
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@ -38,20 +38,23 @@
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#include "cm-x2xx-pci.h"
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/* virtual addresses for statically mapped regions */
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#define CMX270_VIRT_BASE (0xe8000000)
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#define CMX270_IT8152_VIRT (CMX270_VIRT_BASE)
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#define CMX2XX_VIRT_BASE (0xe8000000)
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#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
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#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
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#define DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
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#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
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/* leds */
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#define CMX270_GPIO_RED (93)
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#define CMX270_GPIO_GREEN (94)
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/* GPIO IRQ usage */
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#define GPIO10_ETHIRQ (10)
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#define GPIO22_IT8152_IRQ (22)
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#define CMX270_GPIO_IT8152_IRQ (22)
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#define GPIO83_MMC_IRQ (83)
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#define GPIO95_GFXIRQ (95)
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#define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
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#define CMX270_IT8152_IRQ IRQ_GPIO(GPIO22_IT8152_IRQ)
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#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
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#define CMX270_GFXIRQ IRQ_GPIO(GPIO95_GFXIRQ)
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@ -160,13 +163,13 @@ static unsigned long cmx270_pin_config[] = {
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#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
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static struct resource cmx270_dm9000_resource[] = {
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[0] = {
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.start = DM9000_PHYS_BASE,
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.end = DM9000_PHYS_BASE + 4,
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.start = CMX270_DM9000_PHYS_BASE,
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.end = CMX270_DM9000_PHYS_BASE + 3,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = DM9000_PHYS_BASE + 8,
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.end = DM9000_PHYS_BASE + 8 + 500,
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.start = CMX270_DM9000_PHYS_BASE + 8,
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.end = CMX270_DM9000_PHYS_BASE + 8 + 500,
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.flags = IORESOURCE_MEM,
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},
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[2] = {
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@ -180,37 +183,37 @@ static struct dm9000_plat_data cmx270_dm9000_platdata = {
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.flags = DM9000_PLATF_32BITONLY,
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};
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static struct platform_device cmx270_dm9000_device = {
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static struct platform_device cmx2xx_dm9000_device = {
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.name = "dm9000",
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.id = 0,
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.num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
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.resource = cmx270_dm9000_resource,
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.dev = {
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.platform_data = &cmx270_dm9000_platdata,
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}
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};
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static void __init cmx270_init_dm9000(void)
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static void __init cmx2xx_init_dm9000(void)
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{
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platform_device_register(&cmx270_dm9000_device);
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cmx2xx_dm9000_device.resource = cmx270_dm9000_resource,
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platform_device_register(&cmx2xx_dm9000_device);
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}
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#else
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static inline void cmx270_init_dm9000(void) {}
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static inline void cmx2xx_init_dm9000(void) {}
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#endif
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/* UCB1400 touchscreen controller */
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#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
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static struct platform_device cmx270_ts_device = {
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static struct platform_device cmx2xx_ts_device = {
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.name = "ucb1400_ts",
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.id = -1,
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};
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static void __init cmx270_init_touchscreen(void)
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static void __init cmx2xx_init_touchscreen(void)
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{
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platform_device_register(&cmx270_ts_device);
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platform_device_register(&cmx2xx_ts_device);
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}
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#else
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static inline void cmx270_init_touchscreen(void) {}
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static inline void cmx2xx_init_touchscreen(void) {}
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#endif
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/* V3020 RTC */
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@ -242,45 +245,45 @@ static void __init cmx270_init_rtc(void)
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platform_device_register(&cmx270_rtc_device);
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}
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#else
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static inline void cmx270_init_rtc(void) {}
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static inline void cmx2xx_init_rtc(void) {}
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#endif
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/* CM-X270 LEDs */
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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static struct gpio_led cmx270_leds[] = {
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static struct gpio_led cmx2xx_leds[] = {
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[0] = {
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.name = "cm-x270:red",
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.name = "cm-x2xx:red",
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.default_trigger = "nand-disk",
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.gpio = 93,
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.active_low = 1,
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},
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[1] = {
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.name = "cm-x270:green",
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.name = "cm-x2xx:green",
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.default_trigger = "heartbeat",
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.gpio = 94,
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.active_low = 1,
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},
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};
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static struct gpio_led_platform_data cmx270_gpio_led_pdata = {
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.num_leds = ARRAY_SIZE(cmx270_leds),
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.leds = cmx270_leds,
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static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
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.num_leds = ARRAY_SIZE(cmx2xx_leds),
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.leds = cmx2xx_leds,
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};
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static struct platform_device cmx270_led_device = {
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static struct platform_device cmx2xx_led_device = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &cmx270_gpio_led_pdata,
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.platform_data = &cmx2xx_gpio_led_pdata,
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},
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};
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static void __init cmx270_init_leds(void)
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static void __init cmx2xx_init_leds(void)
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{
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platform_device_register(&cmx270_led_device);
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cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
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cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
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platform_device_register(&cmx2xx_led_device);
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}
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#else
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static inline void cmx270_init_leds(void) {}
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static inline void cmx2xx_init_leds(void) {}
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#endif
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/* 2700G graphics */
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@ -543,32 +546,32 @@ static struct pxafb_mach_info generic_stn_640x480 = {
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.cmap_static = 0,
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};
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static struct pxafb_mach_info *cmx270_display = &generic_crt_640x480;
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static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
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static int __init cmx270_set_display(char *str)
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static int __init cmx2xx_set_display(char *str)
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{
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int disp_type = simple_strtol(str, NULL, 0);
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switch (disp_type) {
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case MTYPE_STN320x240:
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cmx270_display = &generic_stn_320x240;
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cmx2xx_display = &generic_stn_320x240;
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break;
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case MTYPE_TFT640x480:
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cmx270_display = &generic_tft_640x480;
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cmx2xx_display = &generic_tft_640x480;
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break;
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case MTYPE_CRT640x480:
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cmx270_display = &generic_crt_640x480;
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cmx2xx_display = &generic_crt_640x480;
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break;
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case MTYPE_CRT800x600:
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cmx270_display = &generic_crt_800x600;
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cmx2xx_display = &generic_crt_800x600;
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break;
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case MTYPE_TFT320x240:
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cmx270_display = &generic_tft_320x240;
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cmx2xx_display = &generic_tft_320x240;
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break;
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case MTYPE_STN640x480:
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cmx270_display = &generic_stn_640x480;
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cmx2xx_display = &generic_stn_640x480;
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break;
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default: /* fallback to CRT 640x480 */
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cmx270_display = &generic_crt_640x480;
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cmx2xx_display = &generic_crt_640x480;
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break;
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}
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return 1;
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@ -577,18 +580,18 @@ static int __init cmx270_set_display(char *str)
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/*
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This should be done really early to get proper configuration for
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frame buffer.
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Indeed, pxafb parameters can be used istead, but CM-X270 bootloader
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Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
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has limitied line length for kernel command line, and also it will
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break compatibitlty with proprietary releases already in field.
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*/
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__setup("monitor=", cmx270_set_display);
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__setup("monitor=", cmx2xx_set_display);
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static void __init cmx270_init_display(void)
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static void __init cmx2xx_init_display(void)
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{
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set_pxa_fb_info(cmx270_display);
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set_pxa_fb_info(cmx2xx_display);
|
||||
}
|
||||
#else
|
||||
static inline void cmx270_init_display(void) {}
|
||||
static inline void cmx2xx_init_display(void) {}
|
||||
#endif
|
||||
|
||||
/* PXA27x OHCI controller setup */
|
||||
|
|
@ -679,9 +682,9 @@ static inline void cmx270_init_mmc(void) {}
|
|||
#ifdef CONFIG_PM
|
||||
static unsigned long sleep_save_msc[10];
|
||||
|
||||
static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
|
||||
static int cmx2xx_suspend(struct sys_device *dev, pm_message_t state)
|
||||
{
|
||||
cmx270_pci_suspend();
|
||||
cmx2xx_pci_suspend();
|
||||
|
||||
/* save MSC registers */
|
||||
sleep_save_msc[0] = MSC0;
|
||||
|
|
@ -703,9 +706,9 @@ static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int cmx270_resume(struct sys_device *dev)
|
||||
static int cmx2xx_resume(struct sys_device *dev)
|
||||
{
|
||||
cmx270_pci_resume();
|
||||
cmx2xx_pci_resume();
|
||||
|
||||
/* restore MSC registers */
|
||||
MSC0 = sleep_save_msc[0];
|
||||
|
|
@ -715,92 +718,98 @@ static int cmx270_resume(struct sys_device *dev)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static struct sysdev_class cmx270_pm_sysclass = {
|
||||
static struct sysdev_class cmx2xx_pm_sysclass = {
|
||||
.name = "pm",
|
||||
.resume = cmx270_resume,
|
||||
.suspend = cmx270_suspend,
|
||||
.resume = cmx2xx_resume,
|
||||
.suspend = cmx2xx_suspend,
|
||||
};
|
||||
|
||||
static struct sys_device cmx270_pm_device = {
|
||||
.cls = &cmx270_pm_sysclass,
|
||||
static struct sys_device cmx2xx_pm_device = {
|
||||
.cls = &cmx2xx_pm_sysclass,
|
||||
};
|
||||
|
||||
static int __init cmx270_pm_init(void)
|
||||
static int __init cmx2xx_pm_init(void)
|
||||
{
|
||||
int error;
|
||||
error = sysdev_class_register(&cmx270_pm_sysclass);
|
||||
error = sysdev_class_register(&cmx2xx_pm_sysclass);
|
||||
if (error == 0)
|
||||
error = sysdev_register(&cmx270_pm_device);
|
||||
error = sysdev_register(&cmx2xx_pm_device);
|
||||
return error;
|
||||
}
|
||||
#else
|
||||
static int __init cmx270_pm_init(void) { return 0; }
|
||||
static int __init cmx2xx_pm_init(void) { return 0; }
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
|
||||
static void __init cmx270_init_ac97(void)
|
||||
static void __init cmx2xx_init_ac97(void)
|
||||
{
|
||||
pxa_set_ac97_info(NULL);
|
||||
}
|
||||
#else
|
||||
static inline void cmx270_init_ac97(void) {}
|
||||
static inline void cmx2xx_init_ac97(void) {}
|
||||
#endif
|
||||
|
||||
static void __init cmx270_init(void)
|
||||
{
|
||||
cmx270_pm_init();
|
||||
|
||||
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
|
||||
|
||||
cmx270_init_dm9000();
|
||||
cmx270_init_rtc();
|
||||
cmx270_init_display();
|
||||
cmx270_init_mmc();
|
||||
cmx270_init_ohci();
|
||||
cmx270_init_ac97();
|
||||
cmx270_init_touchscreen();
|
||||
cmx270_init_leds();
|
||||
cmx270_init_2700G();
|
||||
}
|
||||
|
||||
static void __init cmx270_init_irq(void)
|
||||
static void __init cmx2xx_init(void)
|
||||
{
|
||||
cmx2xx_pm_init();
|
||||
|
||||
cmx270_init();
|
||||
|
||||
cmx2xx_init_dm9000();
|
||||
cmx2xx_init_display();
|
||||
cmx2xx_init_ac97();
|
||||
cmx2xx_init_touchscreen();
|
||||
cmx2xx_init_leds();
|
||||
}
|
||||
|
||||
static void __init cmx2xx_init_irq(void)
|
||||
{
|
||||
pxa27x_init_irq();
|
||||
|
||||
cmx270_pci_init_irq(GPIO22_IT8152_IRQ);
|
||||
cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PCI
|
||||
/* Map PCI companion statically */
|
||||
static struct map_desc cmx270_io_desc[] __initdata = {
|
||||
static struct map_desc cmx2xx_io_desc[] __initdata = {
|
||||
[0] = { /* PCI bridge */
|
||||
.virtual = CMX270_IT8152_VIRT,
|
||||
.virtual = CMX2XX_IT8152_VIRT,
|
||||
.pfn = __phys_to_pfn(PXA_CS4_PHYS),
|
||||
.length = SZ_64M,
|
||||
.type = MT_DEVICE
|
||||
},
|
||||
};
|
||||
|
||||
static void __init cmx270_map_io(void)
|
||||
static void __init cmx2xx_map_io(void)
|
||||
{
|
||||
pxa_map_io();
|
||||
iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
|
||||
iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
|
||||
|
||||
it8152_base_address = CMX270_IT8152_VIRT;
|
||||
it8152_base_address = CMX2XX_IT8152_VIRT;
|
||||
}
|
||||
#else
|
||||
static void __init cmx270_map_io(void)
|
||||
static void __init cmx2xx_map_io(void)
|
||||
{
|
||||
pxa_map_io();
|
||||
}
|
||||
#endif
|
||||
|
||||
MACHINE_START(ARMCORE, "Compulab CM-x270")
|
||||
MACHINE_START(ARMCORE, "Compulab CM-X2XX")
|
||||
.boot_params = 0xa0000100,
|
||||
.phys_io = 0x40000000,
|
||||
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
||||
.map_io = cmx270_map_io,
|
||||
.init_irq = cmx270_init_irq,
|
||||
.map_io = cmx2xx_map_io,
|
||||
.init_irq = cmx2xx_init_irq,
|
||||
.timer = &pxa_timer,
|
||||
.init_machine = cmx270_init,
|
||||
.init_machine = cmx2xx_init,
|
||||
MACHINE_END
|
||||
|
|
|
|||
|
|
@ -40,11 +40,11 @@
|
|||
#define NODE_MEM_SIZE_BITS 26
|
||||
|
||||
#if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
|
||||
void cmx270_pci_adjust_zones(int node, unsigned long *size,
|
||||
void cmx2xx_pci_adjust_zones(int node, unsigned long *size,
|
||||
unsigned long *holes);
|
||||
|
||||
#define arch_adjust_zones(node, size, holes) \
|
||||
cmx270_pci_adjust_zones(node, size, holes)
|
||||
cmx2xx_pci_adjust_zones(node, size, holes)
|
||||
|
||||
#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_64M - 1)
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue