diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.6/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.6/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/target/linux/ar71xx/patches-3.6/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch b/target/linux/ar71xx/patches-3.6/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch deleted file mode 100644 index 38c43bccd..000000000 --- a/target/linux/ar71xx/patches-3.6/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch +++ /dev/null @@ -1,165 +0,0 @@ -From 93824983ceb36d4ce1f4a644031ec6fb5f332f1d Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Tue, 26 Jun 2012 15:14:47 +0200 -Subject: [PATCH 13/34] MIPS: pci-ar724x: setup command register of the PCI controller - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- - arch/mips/ath79/pci.c | 10 +++- - arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 2 + - arch/mips/pci/pci-ar724x.c | 63 ++++++++++++++++++++++++ - 3 files changed, 74 insertions(+), 1 deletions(-) - ---- a/arch/mips/ath79/pci.c -+++ b/arch/mips/ath79/pci.c -@@ -137,13 +137,14 @@ 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)); - -@@ -171,6 +172,11 @@ 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; -@@ -186,6 +192,7 @@ 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, -@@ -201,6 +208,7 @@ 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, ---- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -@@ -67,6 +67,8 @@ - - #define AR724X_PCI_CFG_BASE 0x14000000 - #define AR724X_PCI_CFG_SIZE 0x1000 -+#define AR724X_PCI_CRP_BASE (AR71XX_APB_BASE + 0x000c0000) -+#define AR724X_PCI_CRP_SIZE 0x1000 - #define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) - #define AR724X_PCI_CTRL_SIZE 0x100 - ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -29,9 +29,17 @@ - - #define AR7240_BAR0_WAR_VALUE 0xffff - -+#define AR724X_PCI_CMD_INIT (PCI_COMMAND_MEMORY | \ -+ PCI_COMMAND_MASTER | \ -+ PCI_COMMAND_INVALIDATE | \ -+ PCI_COMMAND_PARITY | \ -+ PCI_COMMAND_SERR | \ -+ PCI_COMMAND_FAST_BACK) -+ - struct ar724x_pci_controller { - void __iomem *devcfg_base; - void __iomem *ctrl_base; -+ void __iomem *crp_base; - - int irq; - int irq_base; -@@ -64,6 +72,51 @@ pci_bus_to_ar724x_controller(struct pci_ - return container_of(hose, struct ar724x_pci_controller, pci_controller); - } - -+static int ar724x_pci_local_write(struct ar724x_pci_controller *apc, -+ int where, int size, u32 value) -+{ -+ unsigned long flags; -+ void __iomem *base; -+ u32 data; -+ int s; -+ -+ WARN_ON(where & (size - 1)); -+ -+ if (!apc->link_up) -+ return PCIBIOS_DEVICE_NOT_FOUND; -+ -+ base = apc->crp_base; -+ -+ spin_lock_irqsave(&apc->lock, flags); -+ data = __raw_readl(base + (where & ~3)); -+ -+ switch (size) { -+ case 1: -+ s = ((where & 3) * 8); -+ data &= ~(0xff << s); -+ data |= ((value & 0xff) << s); -+ break; -+ case 2: -+ s = ((where & 2) * 8); -+ data &= ~(0xffff << s); -+ data |= ((value & 0xffff) << s); -+ break; -+ case 4: -+ data = value; -+ break; -+ default: -+ spin_unlock_irqrestore(&apc->lock, flags); -+ return PCIBIOS_BAD_REGISTER_NUMBER; -+ } -+ -+ __raw_writel(data, base + (where & ~3)); -+ /* flush write */ -+ __raw_readl(base + (where & ~3)); -+ spin_unlock_irqrestore(&apc->lock, flags); -+ -+ return PCIBIOS_SUCCESSFUL; -+} -+ - static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, - int size, uint32_t *value) - { -@@ -324,6 +377,14 @@ static int __devinit ar724x_pci_probe(st - if (!apc->devcfg_base) - return -EBUSY; - -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crp_base"); -+ if (!res) -+ return -EINVAL; -+ -+ apc->crp_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (apc->crp_base == NULL) -+ return -EBUSY; -+ - apc->irq = platform_get_irq(pdev, 0); - if (apc->irq < 0) - return -EINVAL; -@@ -360,6 +421,8 @@ static int __devinit ar724x_pci_probe(st - - ar724x_pci_irq_init(apc, id); - -+ ar724x_pci_local_write(apc, PCI_COMMAND, 4, AR724X_PCI_CMD_INIT); -+ - register_pci_controller(&apc->pci_controller); - - return 0; |