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authorJohn Crispin <john@phrozen.org>2019-01-11 15:22:38 +0100
committerPaul Burton <paul.burton@mips.com>2019-01-22 20:17:22 +0100
commit73d8e6aa7d208a222addd63339e35f7481bb1dc7 (patch)
treec8a028edfe1492208635de4ffb1f7d5ca2286221 /arch/mips/ath79
parentMIPS: ath79: drop machfiles (diff)
downloadlinux-73d8e6aa7d208a222addd63339e35f7481bb1dc7.tar.xz
linux-73d8e6aa7d208a222addd63339e35f7481bb1dc7.zip
MIPS: ath79: drop legacy pci code
With the target now being fully OF based, we can drop the legacy pci platform code. The only bits that we need to keep is the fixup code which we move to its own code file. Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'arch/mips/ath79')
-rw-r--r--arch/mips/ath79/Makefile1
-rw-r--r--arch/mips/ath79/pci.c273
-rw-r--r--arch/mips/ath79/pci.h35
3 files changed, 0 insertions, 309 deletions
diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile
index ab8e26fe7446..bd0c9b8b1b5b 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -11,7 +11,6 @@
obj-y := prom.o setup.o common.o clock.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-$(CONFIG_PCI) += pci.o
#
# Devices
diff --git a/arch/mips/ath79/pci.c b/arch/mips/ath79/pci.c
deleted file mode 100644
index b816cb4a25ff..000000000000
--- a/arch/mips/ath79/pci.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * Atheros AR71XX/AR724X specific PCI setup code
- *
- * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
- * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * Parts of this file are based on Atheros' 2.6.15 BSP
- *
- * 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/init.h>
-#include <linux/pci.h>
-#include <linux/resource.h>
-#include <linux/platform_device.h>
-#include <asm/mach-ath79/ar71xx_regs.h>
-#include <asm/mach-ath79/ath79.h>
-#include <asm/mach-ath79/irq.h>
-#include "pci.h"
-
-static int (*ath79_pci_plat_dev_init)(struct pci_dev *dev);
-static const struct ath79_pci_irq *ath79_pci_irq_map;
-static unsigned ath79_pci_nr_irqs;
-
-static const struct ath79_pci_irq ar71xx_pci_irq_map[] = {
- {
- .slot = 17,
- .pin = 1,
- .irq = ATH79_PCI_IRQ(0),
- }, {
- .slot = 18,
- .pin = 1,
- .irq = ATH79_PCI_IRQ(1),
- }, {
- .slot = 19,
- .pin = 1,
- .irq = ATH79_PCI_IRQ(2),
- }
-};
-
-static const struct ath79_pci_irq ar724x_pci_irq_map[] = {
- {
- .slot = 0,
- .pin = 1,
- .irq = ATH79_PCI_IRQ(0),
- }
-};
-
-static const struct ath79_pci_irq qca955x_pci_irq_map[] = {
- {
- .bus = 0,
- .slot = 0,
- .pin = 1,
- .irq = ATH79_PCI_IRQ(0),
- },
- {
- .bus = 1,
- .slot = 0,
- .pin = 1,
- .irq = ATH79_PCI_IRQ(1),
- },
-};
-
-int pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
-{
- int irq = -1;
- int i;
-
- if (ath79_pci_nr_irqs == 0 ||
- ath79_pci_irq_map == NULL) {
- if (soc_is_ar71xx()) {
- ath79_pci_irq_map = ar71xx_pci_irq_map;
- ath79_pci_nr_irqs = ARRAY_SIZE(ar71xx_pci_irq_map);
- } else if (soc_is_ar724x() ||
- soc_is_ar9342() ||
- soc_is_ar9344()) {
- ath79_pci_irq_map = ar724x_pci_irq_map;
- ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map);
- } else if (soc_is_qca955x()) {
- ath79_pci_irq_map = qca955x_pci_irq_map;
- ath79_pci_nr_irqs = ARRAY_SIZE(qca955x_pci_irq_map);
- } else {
- pr_crit("pci %s: invalid irq map\n",
- pci_name((struct pci_dev *) dev));
- return irq;
- }
- }
-
- for (i = 0; i < ath79_pci_nr_irqs; i++) {
- const struct ath79_pci_irq *entry;
-
- entry = &ath79_pci_irq_map[i];
- if (entry->bus == dev->bus->number &&
- entry->slot == slot &&
- entry->pin == pin) {
- irq = entry->irq;
- break;
- }
- }
-
- if (irq < 0)
- pr_crit("pci %s: no irq found for pin %u\n",
- pci_name((struct pci_dev *) dev), pin);
- else
- pr_info("pci %s: using irq %d for pin %u\n",
- pci_name((struct pci_dev *) dev), irq, pin);
-
- return irq;
-}
-
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- if (ath79_pci_plat_dev_init)
- return ath79_pci_plat_dev_init(dev);
-
- return 0;
-}
-
-void __init ath79_pci_set_irq_map(unsigned nr_irqs,
- const struct ath79_pci_irq *map)
-{
- ath79_pci_nr_irqs = nr_irqs;
- ath79_pci_irq_map = map;
-}
-
-void __init ath79_pci_set_plat_dev_init(int (*func)(struct pci_dev *dev))
-{
- ath79_pci_plat_dev_init = func;
-}
-
-static struct platform_device *
-ath79_register_pci_ar71xx(void)
-{
- struct platform_device *pdev;
- struct resource res[4];
-
- memset(res, 0, sizeof(res));
-
- res[0].name = "cfg_base";
- res[0].flags = IORESOURCE_MEM;
- res[0].start = AR71XX_PCI_CFG_BASE;
- res[0].end = AR71XX_PCI_CFG_BASE + AR71XX_PCI_CFG_SIZE - 1;
-
- res[1].flags = IORESOURCE_IRQ;
- res[1].start = ATH79_CPU_IRQ(2);
- res[1].end = ATH79_CPU_IRQ(2);
-
- res[2].name = "io_base";
- res[2].flags = IORESOURCE_IO;
- res[2].start = 0;
- res[2].end = 0;
-
- res[3].name = "mem_base";
- res[3].flags = IORESOURCE_MEM;
- res[3].start = AR71XX_PCI_MEM_BASE;
- res[3].end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1;
-
- pdev = platform_device_register_simple("ar71xx-pci", -1,
- res, ARRAY_SIZE(res));
- return pdev;
-}
-
-static struct platform_device *
-ath79_register_pci_ar724x(int id,
- unsigned long cfg_base,
- unsigned long ctrl_base,
- unsigned long crp_base,
- unsigned long mem_base,
- unsigned long mem_size,
- unsigned long io_base,
- int irq)
-{
- struct platform_device *pdev;
- struct resource res[6];
-
- memset(res, 0, sizeof(res));
-
- res[0].name = "cfg_base";
- res[0].flags = IORESOURCE_MEM;
- res[0].start = cfg_base;
- res[0].end = cfg_base + AR724X_PCI_CFG_SIZE - 1;
-
- res[1].name = "ctrl_base";
- res[1].flags = IORESOURCE_MEM;
- res[1].start = ctrl_base;
- res[1].end = ctrl_base + AR724X_PCI_CTRL_SIZE - 1;
-
- res[2].flags = IORESOURCE_IRQ;
- res[2].start = irq;
- res[2].end = irq;
-
- res[3].name = "mem_base";
- res[3].flags = IORESOURCE_MEM;
- res[3].start = mem_base;
- res[3].end = mem_base + mem_size - 1;
-
- res[4].name = "io_base";
- res[4].flags = IORESOURCE_IO;
- res[4].start = io_base;
- res[4].end = io_base;
-
- res[5].name = "crp_base";
- res[5].flags = IORESOURCE_MEM;
- res[5].start = crp_base;
- res[5].end = crp_base + AR724X_PCI_CRP_SIZE - 1;
-
- pdev = platform_device_register_simple("ar724x-pci", id,
- res, ARRAY_SIZE(res));
- return pdev;
-}
-
-int __init ath79_register_pci(void)
-{
- struct platform_device *pdev = NULL;
-
- if (soc_is_ar71xx()) {
- pdev = ath79_register_pci_ar71xx();
- } else if (soc_is_ar724x()) {
- pdev = ath79_register_pci_ar724x(-1,
- AR724X_PCI_CFG_BASE,
- AR724X_PCI_CTRL_BASE,
- AR724X_PCI_CRP_BASE,
- AR724X_PCI_MEM_BASE,
- AR724X_PCI_MEM_SIZE,
- 0,
- ATH79_CPU_IRQ(2));
- } else if (soc_is_ar9342() ||
- soc_is_ar9344()) {
- u32 bootstrap;
-
- bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);
- if ((bootstrap & AR934X_BOOTSTRAP_PCIE_RC) == 0)
- return -ENODEV;
-
- pdev = ath79_register_pci_ar724x(-1,
- AR724X_PCI_CFG_BASE,
- AR724X_PCI_CTRL_BASE,
- AR724X_PCI_CRP_BASE,
- AR724X_PCI_MEM_BASE,
- AR724X_PCI_MEM_SIZE,
- 0,
- ATH79_IP2_IRQ(0));
- } else if (soc_is_qca9558()) {
- pdev = ath79_register_pci_ar724x(0,
- QCA955X_PCI_CFG_BASE0,
- QCA955X_PCI_CTRL_BASE0,
- QCA955X_PCI_CRP_BASE0,
- QCA955X_PCI_MEM_BASE0,
- QCA955X_PCI_MEM_SIZE,
- 0,
- ATH79_IP2_IRQ(0));
-
- pdev = ath79_register_pci_ar724x(1,
- QCA955X_PCI_CFG_BASE1,
- QCA955X_PCI_CTRL_BASE1,
- QCA955X_PCI_CRP_BASE1,
- QCA955X_PCI_MEM_BASE1,
- QCA955X_PCI_MEM_SIZE,
- 1,
- ATH79_IP3_IRQ(2));
- } else {
- /* No PCI support */
- return -ENODEV;
- }
-
- if (!pdev)
- pr_err("unable to register PCI controller device\n");
-
- return pdev ? 0 : -ENODEV;
-}
diff --git a/arch/mips/ath79/pci.h b/arch/mips/ath79/pci.h
deleted file mode 100644
index 1d00a3803c37..000000000000
--- a/arch/mips/ath79/pci.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Atheros AR71XX/AR724X PCI support
- *
- * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
- * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * 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.
- */
-
-#ifndef _ATH79_PCI_H
-#define _ATH79_PCI_H
-
-struct ath79_pci_irq {
- int bus;
- u8 slot;
- u8 pin;
- int irq;
-};
-
-#ifdef CONFIG_PCI
-void ath79_pci_set_irq_map(unsigned nr_irqs, const struct ath79_pci_irq *map);
-void ath79_pci_set_plat_dev_init(int (*func)(struct pci_dev *dev));
-int ath79_register_pci(void);
-#else
-static inline void
-ath79_pci_set_irq_map(unsigned nr_irqs, const struct ath79_pci_irq *map) {}
-static inline void
-ath79_pci_set_plat_dev_init(int (*func)(struct pci_dev *)) {}
-static inline int ath79_register_pci(void) { return 0; }
-#endif
-
-#endif /* _ATH79_PCI_H */