From d4b8b8d62fcb34be61c325efa6f91d937d19a616 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 14 Jul 2013 18:00:34 +0000 Subject: ralink: drop v3.8 support Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37311 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../0062-PCI-MIPS-adds-rt2880-pci-support.patch | 329 --------------------- 1 file changed, 329 deletions(-) delete mode 100644 target/linux/ramips/patches-3.8/0062-PCI-MIPS-adds-rt2880-pci-support.patch (limited to 'target/linux/ramips/patches-3.8/0062-PCI-MIPS-adds-rt2880-pci-support.patch') diff --git a/target/linux/ramips/patches-3.8/0062-PCI-MIPS-adds-rt2880-pci-support.patch b/target/linux/ramips/patches-3.8/0062-PCI-MIPS-adds-rt2880-pci-support.patch deleted file mode 100644 index 108455d1c2..0000000000 --- a/target/linux/ramips/patches-3.8/0062-PCI-MIPS-adds-rt2880-pci-support.patch +++ /dev/null @@ -1,329 +0,0 @@ -From ac237657b04e464f28e8fe428d032386ca8b0b31 Mon Sep 17 00:00:00 2001 -From: John Crispin -Date: Thu, 21 Mar 2013 18:27:29 +0100 -Subject: [PATCH 62/79] PCI: MIPS: adds rt2880 pci support - -Add support for the pci found on the rt2880 SoC. - -Signed-off-by: John Crispin ---- - arch/mips/pci/Makefile | 1 + - arch/mips/pci/pci-rt2880.c | 281 ++++++++++++++++++++++++++++++++++++++++++++ - arch/mips/ralink/Kconfig | 1 + - 3 files changed, 283 insertions(+) - create mode 100644 arch/mips/pci/pci-rt2880.c - -diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile -index ce995d3..c7c18ce 100644 ---- a/arch/mips/pci/Makefile -+++ b/arch/mips/pci/Makefile -@@ -42,6 +42,7 @@ obj-$(CONFIG_SIBYTE_BCM1x80) += pci-bcm1480.o pci-bcm1480ht.o - obj-$(CONFIG_SNI_RM) += fixup-sni.o ops-sni.o - obj-$(CONFIG_LANTIQ) += fixup-lantiq.o - obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o -+obj-$(CONFIG_SOC_RT2880) += pci-rt2880.o - obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o - obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o - obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o -diff --git a/arch/mips/pci/pci-rt2880.c b/arch/mips/pci/pci-rt2880.c -new file mode 100644 -index 0000000..e2c4730 ---- /dev/null -+++ b/arch/mips/pci/pci-rt2880.c -@@ -0,0 +1,281 @@ -+/* -+ * Ralink RT288x SoC PCI register definitions -+ * -+ * Copyright (C) 2009 John Crispin -+ * Copyright (C) 2009 Gabor Juhos -+ * -+ * Parts of this file are based on Ralink's 2.6.21 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 -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+#define RT2880_PCI_BASE 0x00440000 -+#define RT288X_CPU_IRQ_PCI 4 -+ -+#define RT2880_PCI_MEM_BASE 0x20000000 -+#define RT2880_PCI_MEM_SIZE 0x10000000 -+#define RT2880_PCI_IO_BASE 0x00460000 -+#define RT2880_PCI_IO_SIZE 0x00010000 -+ -+#define RT2880_PCI_REG_PCICFG_ADDR 0x00 -+#define RT2880_PCI_REG_PCIMSK_ADDR 0x0c -+#define RT2880_PCI_REG_BAR0SETUP_ADDR 0x10 -+#define RT2880_PCI_REG_IMBASEBAR0_ADDR 0x18 -+#define RT2880_PCI_REG_CONFIG_ADDR 0x20 -+#define RT2880_PCI_REG_CONFIG_DATA 0x24 -+#define RT2880_PCI_REG_MEMBASE 0x28 -+#define RT2880_PCI_REG_IOBASE 0x2c -+#define RT2880_PCI_REG_ID 0x30 -+#define RT2880_PCI_REG_CLASS 0x34 -+#define RT2880_PCI_REG_SUBID 0x38 -+#define RT2880_PCI_REG_ARBCTL 0x80 -+ -+static void __iomem *rt2880_pci_base; -+static DEFINE_SPINLOCK(rt2880_pci_lock); -+ -+static u32 rt2880_pci_reg_read(u32 reg) -+{ -+ return readl(rt2880_pci_base + reg); -+} -+ -+static void rt2880_pci_reg_write(u32 val, u32 reg) -+{ -+ writel(val, rt2880_pci_base + reg); -+} -+ -+static inline u32 rt2880_pci_get_cfgaddr(unsigned int bus, unsigned int slot, -+ unsigned int func, unsigned int where) -+{ -+ return ((bus << 16) | (slot << 11) | (func << 8) | (where & 0xfc) | -+ 0x80000000); -+} -+ -+static int rt2880_pci_config_read(struct pci_bus *bus, unsigned int devfn, -+ int where, int size, u32 *val) -+{ -+ unsigned long flags; -+ u32 address; -+ u32 data; -+ -+ address = rt2880_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn), -+ PCI_FUNC(devfn), where); -+ -+ spin_lock_irqsave(&rt2880_pci_lock, flags); -+ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); -+ data = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); -+ spin_unlock_irqrestore(&rt2880_pci_lock, flags); -+ -+ switch (size) { -+ case 1: -+ *val = (data >> ((where & 3) << 3)) & 0xff; -+ break; -+ case 2: -+ *val = (data >> ((where & 3) << 3)) & 0xffff; -+ break; -+ case 4: -+ *val = data; -+ break; -+ } -+ -+ return PCIBIOS_SUCCESSFUL; -+} -+ -+static int rt2880_pci_config_write(struct pci_bus *bus, unsigned int devfn, -+ int where, int size, u32 val) -+{ -+ unsigned long flags; -+ u32 address; -+ u32 data; -+ -+ address = rt2880_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn), -+ PCI_FUNC(devfn), where); -+ -+ spin_lock_irqsave(&rt2880_pci_lock, flags); -+ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); -+ data = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); -+ -+ switch (size) { -+ case 1: -+ data = (data & ~(0xff << ((where & 3) << 3))) | -+ (val << ((where & 3) << 3)); -+ break; -+ case 2: -+ data = (data & ~(0xffff << ((where & 3) << 3))) | -+ (val << ((where & 3) << 3)); -+ break; -+ case 4: -+ data = val; -+ break; -+ } -+ -+ rt2880_pci_reg_write(data, RT2880_PCI_REG_CONFIG_DATA); -+ spin_unlock_irqrestore(&rt2880_pci_lock, flags); -+ -+ return PCIBIOS_SUCCESSFUL; -+} -+ -+static struct pci_ops rt2880_pci_ops = { -+ .read = rt2880_pci_config_read, -+ .write = rt2880_pci_config_write, -+}; -+ -+static struct resource rt2880_pci_mem_resource = { -+ .name = "PCI MEM space", -+ .start = RT2880_PCI_MEM_BASE, -+ .end = RT2880_PCI_MEM_BASE + RT2880_PCI_MEM_SIZE - 1, -+ .flags = IORESOURCE_MEM, -+}; -+ -+static struct resource rt2880_pci_io_resource = { -+ .name = "PCI IO space", -+ .start = RT2880_PCI_IO_BASE, -+ .end = RT2880_PCI_IO_BASE + RT2880_PCI_IO_SIZE - 1, -+ .flags = IORESOURCE_IO, -+}; -+ -+static struct pci_controller rt2880_pci_controller = { -+ .pci_ops = &rt2880_pci_ops, -+ .mem_resource = &rt2880_pci_mem_resource, -+ .io_resource = &rt2880_pci_io_resource, -+}; -+ -+static inline u32 rt2880_pci_read_u32(unsigned long reg) -+{ -+ unsigned long flags; -+ u32 address; -+ u32 ret; -+ -+ address = rt2880_pci_get_cfgaddr(0, 0, 0, reg); -+ -+ spin_lock_irqsave(&rt2880_pci_lock, flags); -+ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); -+ ret = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); -+ spin_unlock_irqrestore(&rt2880_pci_lock, flags); -+ -+ return ret; -+} -+ -+static inline void rt2880_pci_write_u32(unsigned long reg, u32 val) -+{ -+ unsigned long flags; -+ u32 address; -+ -+ address = rt2880_pci_get_cfgaddr(0, 0, 0, reg); -+ -+ spin_lock_irqsave(&rt2880_pci_lock, flags); -+ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); -+ rt2880_pci_reg_write(val, RT2880_PCI_REG_CONFIG_DATA); -+ spin_unlock_irqrestore(&rt2880_pci_lock, flags); -+} -+ -+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -+{ -+ u16 cmd; -+ int irq = -1; -+ -+ if (dev->bus->number != 0) -+ return irq; -+ -+ switch (PCI_SLOT(dev->devfn)) { -+ case 0x00: -+ rt2880_pci_write_u32(PCI_BASE_ADDRESS_0, 0x08000000); -+ (void) rt2880_pci_read_u32(PCI_BASE_ADDRESS_0); -+ break; -+ case 0x11: -+ irq = RT288X_CPU_IRQ_PCI; -+ break; -+ default: -+ printk("%s:%s[%d] trying to alloc unknown pci irq\n", -+ __FILE__, __func__, __LINE__); -+ BUG(); -+ break; -+ } -+ -+ pci_write_config_byte((struct pci_dev*)dev, PCI_CACHE_LINE_SIZE, 0x14); -+ pci_write_config_byte((struct pci_dev*)dev, PCI_LATENCY_TIMER, 0xFF); -+ pci_read_config_word((struct pci_dev*)dev, PCI_COMMAND, &cmd); -+ cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | -+ PCI_COMMAND_INVALIDATE | PCI_COMMAND_FAST_BACK | -+ PCI_COMMAND_SERR | PCI_COMMAND_WAIT | PCI_COMMAND_PARITY; -+ pci_write_config_word((struct pci_dev*)dev, PCI_COMMAND, cmd); -+ pci_write_config_byte((struct pci_dev*)dev, PCI_INTERRUPT_LINE, -+ dev->irq); -+ return irq; -+} -+ -+static int rt288x_pci_probe(struct platform_device *pdev) -+{ -+ void __iomem *io_map_base; -+ int i; -+ -+ rt2880_pci_base = ioremap_nocache(RT2880_PCI_BASE, PAGE_SIZE); -+ -+ io_map_base = ioremap(RT2880_PCI_IO_BASE, RT2880_PCI_IO_SIZE); -+ rt2880_pci_controller.io_map_base = (unsigned long) io_map_base; -+ set_io_port_base((unsigned long) io_map_base); -+ -+ ioport_resource.start = RT2880_PCI_IO_BASE; -+ ioport_resource.end = RT2880_PCI_IO_BASE + RT2880_PCI_IO_SIZE - 1; -+ -+ rt2880_pci_reg_write(0, RT2880_PCI_REG_PCICFG_ADDR); -+ for(i = 0; i < 0xfffff; i++) {} -+ -+ rt2880_pci_reg_write(0x79, RT2880_PCI_REG_ARBCTL); -+ rt2880_pci_reg_write(0x07FF0001, RT2880_PCI_REG_BAR0SETUP_ADDR); -+ rt2880_pci_reg_write(RT2880_PCI_MEM_BASE, RT2880_PCI_REG_MEMBASE); -+ rt2880_pci_reg_write(RT2880_PCI_IO_BASE, RT2880_PCI_REG_IOBASE); -+ rt2880_pci_reg_write(0x08000000, RT2880_PCI_REG_IMBASEBAR0_ADDR); -+ rt2880_pci_reg_write(0x08021814, RT2880_PCI_REG_ID); -+ rt2880_pci_reg_write(0x00800001, RT2880_PCI_REG_CLASS); -+ rt2880_pci_reg_write(0x28801814, RT2880_PCI_REG_SUBID); -+ rt2880_pci_reg_write(0x000c0000, RT2880_PCI_REG_PCIMSK_ADDR); -+ -+ rt2880_pci_write_u32(PCI_BASE_ADDRESS_0, 0x08000000); -+ (void) rt2880_pci_read_u32(PCI_BASE_ADDRESS_0); -+ -+ register_pci_controller(&rt2880_pci_controller); -+ return 0; -+} -+ -+int pcibios_plat_dev_init(struct pci_dev *dev) -+{ -+ return 0; -+} -+ -+static const struct of_device_id rt288x_pci_match[] = { -+ { .compatible = "ralink,rt288x-pci" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, rt288x_pci_match); -+ -+static struct platform_driver rt288x_pci_driver = { -+ .probe = rt288x_pci_probe, -+ .driver = { -+ .name = "rt288x-pci", -+ .owner = THIS_MODULE, -+ .of_match_table = rt288x_pci_match, -+ }, -+}; -+ -+int __init pcibios_init(void) -+{ -+ int ret = platform_driver_register(&rt288x_pci_driver); -+ if (ret) -+ pr_info("rt288x-pci: Error registering platform driver!"); -+ return ret; -+} -+ -+arch_initcall(pcibios_init); -diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig -index 38540a4..2d39329 100644 ---- a/arch/mips/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -8,6 +8,7 @@ choice - - config SOC_RT288X - bool "RT288x" -+ select HW_HAS_PCI - - config SOC_RT305X - bool "RT305x" --- -1.7.10.4 - -- cgit v1.2.3