diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch b/target/linux/brcm63xx/patches-4.4/336-MIPS-BCM63XX-dynamically-set-the-pcie-memory-windows.patch new file mode 100644 index 0000000..d6eb54d --- /dev/null +++ b/target/linux/brcm63xx/patches-4.4/336-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: |