ar71xx: nuke 3.2 support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31360 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 134 deletions

diff --git a/target/linux/ar71xx/patches-3.2/111-MIPS-ath79-add-a-workaround-for-a-PCI-controller-bug.patch b/target/linux/ar71xx/patches-3.2/111-MIPS-ath79-add-a-workaround-for-a-PCI-controller-bug.patch
deleted file mode 100644
index 11391abe6..000000000
--- a/target/linux/ar71xx/patches-3.2/111-MIPS-ath79-add-a-workaround-for-a-PCI-controller-bug.patch
+++ /dev/null
@@ -1,134 +0,0 @@
-From b2ee3bd8706521c9bbf43405c767010927c101e5 Mon Sep 17 00:00:00 2001
-From: Gabor Juhos <juhosg@openwrt.org>
-Date: Mon, 21 Nov 2011 17:57:51 +0100
-Subject: [PATCH 11/35] MIPS: ath79: add a workaround for a PCI controller bug in AR7240 SoCs
-
-The PCI controller of the AR724X SoCs has a hardware
-bag. If the BAR0 register of the PCI device is set to
-the proper base address, the memory address space of
-the device is not accessible.
-
-When the device driver tries to access the memory
-address space of the PCI device, it leads to data
-bus error, similiar to this:
-
-Data bus error, epc == 801f69a0, ra == 801f698c
-Oops[#1]:
-Cpu 0
-$ 0   : 00000000 00000061 deadbeef 000000ff
-$ 4   : 00000000 000000ff 00000014 00000000
-$ 8   : ff000000 fffffffc 00000000 00000000
-$12   : 000001f5 00000006 00000000 6e637920
-$16   : 81ca4000 81ca0260 81ca4000 804d70f0
-$20   : fffffff4 0000002b 803ad4c4 00000000
-$24   : 00000003 00000000
-$28   : 81c20000 81c21c60 00000000 801f698c
-Hi    : 00000000
-Lo    : 00000000
-epc   : 801f69a0 ath9k_hw_init+0xd0/0xa70
-    Not tainted
-ra    : 801f698c ath9k_hw_init+0xbc/0xa70
-Status: 1000c103    KERNEL EXL IE
-Cause : 1080001c
-PrId  : 00019374 (MIPS 24Kc)
-Modules linked in:
-Process swapper (pid: 1, threadinfo=81c20000, task=81c18000, tls=00000000)
-Stack : 00000000 00000000 00000000 00000000 81c21c78 81ca0260 00000000 804d70f0
-        81ca0260 81c21cc0 81ca0e80 81ca0260 81ca4000 804d70f0 fffffff4 0000002b
-        803ad4c4 00000000 00000000 801e3ae8 81c9d080 81ca0e80 b0000000 800b9b9c
-        00000008 81c9d000 8031aeb0 802d38a0 00000000 81c14c00 81c14c60 00000000
-        81ca0e80 81ca0260 b0000000 801f08a4 81c9c820 81c21d48 81c9c820 80144320
-        ...
-Call Trace:
-[<801f69a0>] ath9k_hw_init+0xd0/0xa70
-[<801e3ae8>] ath9k_init_device+0x174/0x680
-[<801f08a4>] ath_pci_probe+0x27c/0x380
-[<8019e490>] pci_device_probe+0x74/0x9c
-[<801bfadc>] driver_probe_device+0x9c/0x1b4
-[<801bfcb0>] __driver_attach+0xbc/0xc4
-[<801bea0c>] bus_for_each_dev+0x5c/0x98
-[<801bf394>] bus_add_driver+0x1d0/0x2a4
-[<801c0364>] driver_register+0x8c/0x16c
-[<8019e72c>] __pci_register_driver+0x4c/0xe4
-[<803d3d40>] ath9k_init+0x3c/0x88
-[<80060930>] do_one_initcall+0x3c/0x1cc
-[<803c297c>] kernel_init+0xa4/0x138
-[<80063c04>] kernel_thread_helper+0x10/0x18
-
-Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
-
-v2: - apply the workaround on AR7240 only
-    - remove unrelated defines
----
- arch/mips/pci/pci-ar724x.c |   36 +++++++++++++++++++++++++++++++++++-
- 1 files changed, 35 insertions(+), 1 deletions(-)
-
---- a/arch/mips/pci/pci-ar724x.c
-+++ b/arch/mips/pci/pci-ar724x.c
-@@ -9,6 +9,7 @@
-  */
- 
- #include <linux/pci.h>
-+#include <asm/mach-ath79/ath79.h>
- #include <asm/mach-ath79/pci.h>
- 
- #define AR724X_PCI_CFG_BASE	0x14000000
-@@ -16,9 +17,14 @@
- #define AR724X_PCI_MEM_BASE	0x10000000
- #define AR724X_PCI_MEM_SIZE	0x08000000
- 
-+#define AR7240_BAR0_WAR_VALUE	0xffff
-+
- static DEFINE_SPINLOCK(ar724x_pci_lock);
- static void __iomem *ar724x_pci_devcfg_base;
- 
-+static u32 ar724x_pci_bar0_value;
-+static bool ar724x_pci_bar0_is_cached;
-+
- static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where,
- 			    int size, uint32_t *value)
- {
-@@ -56,7 +62,14 @@ static int ar724x_pci_read(struct pci_bu
- 	}
- 
- 	spin_unlock_irqrestore(&ar724x_pci_lock, flags);
--	*value = data;
-+
-+	if (where == PCI_BASE_ADDRESS_0 && size == 4 &&
-+	    ar724x_pci_bar0_is_cached) {
-+		/* use the cached value */
-+		*value = ar724x_pci_bar0_value;
-+	} else {
-+		*value = data;
-+	}
- 
- 	return PCIBIOS_SUCCESSFUL;
- }
-@@ -72,6 +85,27 @@ static int ar724x_pci_write(struct pci_b
- 	if (devfn)
- 		return PCIBIOS_DEVICE_NOT_FOUND;
- 
-+	if (soc_is_ar7240() && where == PCI_BASE_ADDRESS_0 && size == 4) {
-+		if (value != 0xffffffff) {
-+			/*
-+			 * WAR for a hw issue. If the BAR0 register of the
-+			 * device is set to the proper base address, the
-+			 * memory space of the device is not accessible.
-+			 *
-+			 * Cache the intended value so it can be read back,
-+			 * and write a SoC specific constant value to the
-+			 * BAR0 register in order to make the device memory
-+			 * accessible.
-+			 */
-+			ar724x_pci_bar0_is_cached = true;
-+			ar724x_pci_bar0_value = value;
-+
-+			value = AR7240_BAR0_WAR_VALUE;
-+		} else {
-+			ar724x_pci_bar0_is_cached = false;
-+		}
-+	}
-+
- 	base = ar724x_pci_devcfg_base;
- 
- 	spin_lock_irqsave(&ar724x_pci_lock, flags);