summaryrefslogtreecommitdiff
path: root/target/linux/brcm63xx/patches-3.10/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm63xx/patches-3.10/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch')
-rw-r--r--target/linux/brcm63xx/patches-3.10/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch70
1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.10/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch b/target/linux/brcm63xx/patches-3.10/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch
new file mode 100644
index 0000000..d6eb54d
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.10/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch
@@ -0,0 +1,70 @@
+From aa05464973bc176478af462ca7c53a9239c651d4 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jogo@openwrt.org>
+Date: Sun, 8 Dec 2013 03:13:06 +0100
+Subject: [PATCH 46/53] MIPS: BCM63XX: dynamically set the pcie memory windows
+
+Different SoCs use different memory windows (and sizes), so don't
+hardcode it.
+---
+ arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h | 8 ++++----
+ arch/mips/pci/pci-bcm63xx.c | 15 ++++++++++-----
+ 2 files changed, 14 insertions(+), 9 deletions(-)
+
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
+@@ -40,10 +40,10 @@
+ #define BCM_CB_MEM_END_PA (BCM_CB_MEM_BASE_PA + \
+ BCM_CB_MEM_SIZE - 1)
+
+-#define BCM_PCIE_MEM_BASE_PA 0x10f00000
+-#define BCM_PCIE_MEM_SIZE (1 * 1024 * 1024)
+-#define BCM_PCIE_MEM_END_PA (BCM_PCIE_MEM_BASE_PA + \
+- BCM_PCIE_MEM_SIZE - 1)
++#define BCM_PCIE_MEM_BASE_PA_6328 0x10f00000
++#define BCM_PCIE_MEM_SIZE_6328 (1 * 1024 * 1024)
++#define BCM_PCIE_MEM_END_PA_6328 (BCM_PCIE_MEM_BASE_PA_6328 + \
++ BCM_PCIE_MEM_SIZE_6328 - 1)
+
+ /*
+ * Internal registers are accessed through KSEG3
+--- a/arch/mips/pci/pci-bcm63xx.c
++++ b/arch/mips/pci/pci-bcm63xx.c
+@@ -77,8 +77,8 @@ struct pci_controller bcm63xx_cb_control
+
+ static struct resource bcm_pcie_mem_resource = {
+ .name = "bcm63xx PCIe memory space",
+- .start = BCM_PCIE_MEM_BASE_PA,
+- .end = BCM_PCIE_MEM_END_PA,
++ .start = 0,
++ .end = 0,
+ .flags = IORESOURCE_MEM,
+ };
+
+@@ -195,12 +195,12 @@ static int __init bcm63xx_register_pcie(
+ bcm_pcie_writel(val, PCIE_CONFIG2_REG);
+
+ /* set bar0 to little endian */
+- val = (BCM_PCIE_MEM_BASE_PA >> 20) << BASEMASK_BASE_SHIFT;
+- val |= (BCM_PCIE_MEM_BASE_PA >> 20) << BASEMASK_MASK_SHIFT;
++ val = (bcm_pcie_mem_resource.start >> 20) << BASEMASK_BASE_SHIFT;
++ val |= (bcm_pcie_mem_resource.end >> 20) << BASEMASK_MASK_SHIFT;
+ val |= BASEMASK_REMAP_EN;
+ bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_BASEMASK_REG);
+
+- val = (BCM_PCIE_MEM_BASE_PA >> 20) << REBASE_ADDR_BASE_SHIFT;
++ val = (bcm_pcie_mem_resource.start >> 20) << REBASE_ADDR_BASE_SHIFT;
+ bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_REBASE_ADDR_REG);
+
+ register_pci_controller(&bcm63xx_pcie_controller);
+@@ -334,6 +334,11 @@ static int __init bcm63xx_pci_init(void)
+ if (!bcm63xx_pci_enabled)
+ return -ENODEV;
+
++ if (BCMCPU_IS_6328() || BCMCPU_IS_6362()) {
++ bcm_pcie_mem_resource.start = BCM_PCIE_MEM_BASE_PA_6328;
++ bcm_pcie_mem_resource.end = BCM_PCIE_MEM_END_PA_6328;
++ }
++
+ switch (bcm63xx_get_cpu_id()) {
+ case BCM6328_CPU_ID:
+ case BCM6362_CPU_ID: