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| author | Gabor Juhos <juhosg@openwrt.org> | 2013-02-03 14:52:47 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2013-02-17 01:25:39 +0100 |
| commit | 12401fc28d40aa5bf8bda6991a96b6d7a3dae3ac (patch) | |
| tree | d882d6fc588107ee1ba9a5c3d92660641451b2df /arch/mips/ath79/pci.c | |
| parent | 8b66d461187ff61c5755001af7296e6edde48423 (diff) | |
| download | lwn-12401fc28d40aa5bf8bda6991a96b6d7a3dae3ac.tar.gz lwn-12401fc28d40aa5bf8bda6991a96b6d7a3dae3ac.zip | |
MIPS: pci-ar724x: setup command register of the PCI controller
The command register of the PCI controller is
not initialized correctly by the bootloader on
some boards and this leads to non working PCI
bus.
Add code to initialize the command register
from the Linux code to avoid this.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4916/
Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/ath79/pci.c')
| -rw-r--r-- | arch/mips/ath79/pci.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/mips/ath79/pci.c b/arch/mips/ath79/pci.c index 45d1112de50d..942e3f9184f0 100644 --- a/arch/mips/ath79/pci.c +++ b/arch/mips/ath79/pci.c @@ -139,13 +139,14 @@ 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[5]; + struct resource res[6]; memset(res, 0, sizeof(res)); @@ -173,6 +174,11 @@ ath79_register_pci_ar724x(int id, 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; @@ -188,6 +194,7 @@ int __init ath79_register_pci(void) 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, @@ -203,6 +210,7 @@ int __init ath79_register_pci(void) 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, |