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path: root/target/linux/ar71xx/patches-4.14/953-qca955x-pci-reset-fixes.patch
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Diffstat (limited to 'target/linux/ar71xx/patches-4.14/953-qca955x-pci-reset-fixes.patch')
-rw-r--r--target/linux/ar71xx/patches-4.14/953-qca955x-pci-reset-fixes.patch120
1 files changed, 0 insertions, 120 deletions
diff --git a/target/linux/ar71xx/patches-4.14/953-qca955x-pci-reset-fixes.patch b/target/linux/ar71xx/patches-4.14/953-qca955x-pci-reset-fixes.patch
deleted file mode 100644
index 0acca2a08f..0000000000
--- a/target/linux/ar71xx/patches-4.14/953-qca955x-pci-reset-fixes.patch
+++ /dev/null
@@ -1,120 +0,0 @@
---- a/arch/mips/ath79/common.c
-+++ b/arch/mips/ath79/common.c
-@@ -153,6 +153,24 @@ void ath79_device_reset_clear(u32 mask)
- }
- EXPORT_SYMBOL_GPL(ath79_device_reset_clear);
-
-+void ath79_device_reset2_clear(u32 mask)
-+{
-+ unsigned long flags;
-+ u32 reg;
-+ u32 t;
-+
-+ if (soc_is_qca955x())
-+ reg = QCA955X_RESET_REG_RESET2_MODULE;
-+ else
-+ panic("Reset register not defined for this SOC");
-+
-+ spin_lock_irqsave(&ath79_device_reset_lock, flags);
-+ t = ath79_reset_rr(reg);
-+ ath79_reset_wr(reg, t & ~mask);
-+ spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
-+}
-+EXPORT_SYMBOL_GPL(ath79_device_reset2_clear);
-+
- u32 ath79_device_reset_get(u32 mask)
- {
- unsigned long flags;
---- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
-+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
-@@ -411,6 +411,7 @@
- #define QCA955X_PLL_CPU_CONFIG_REG 0x00
- #define QCA955X_PLL_DDR_CONFIG_REG 0x04
- #define QCA955X_PLL_CLK_CTRL_REG 0x08
-+#define QCA955X_PLL_PCIE_CONFIG_REG 0x0c
- #define QCA955X_PLL_ETH_XMII_CONTROL_REG 0x28
- #define QCA955X_PLL_ETH_SGMII_CONTROL_REG 0x48
- #define QCA955X_PLL_ETH_SGMII_SERDES_REG 0x4c
-@@ -565,6 +566,7 @@
- #define QCA953X_RESET_REG_PCIE_WMAC_INT_STATUS 0xac
-
- #define QCA955X_RESET_REG_RESET_MODULE 0x1c
-+#define QCA955X_RESET_REG_RESET2_MODULE 0xc4
- #define QCA955X_RESET_REG_BOOTSTRAP 0xb0
- #define QCA955X_RESET_REG_EXT_INT_STATUS 0xac
-
---- a/arch/mips/include/asm/mach-ath79/ath79.h
-+++ b/arch/mips/include/asm/mach-ath79/ath79.h
-@@ -178,6 +178,7 @@ static inline u32 ath79_reset_rr(unsigne
-
- void ath79_device_reset_set(u32 mask);
- void ath79_device_reset_clear(u32 mask);
-+void ath79_device_reset2_clear(u32 mask);
- u32 ath79_device_reset_get(u32 mask);
-
- void ath79_cpu_irq_init(unsigned irq_wb_chan2, unsigned irq_wb_chan3);
---- a/arch/mips/pci/pci-ar724x.c
-+++ b/arch/mips/pci/pci-ar724x.c
-@@ -335,18 +335,37 @@ static void ar724x_pci_hw_init(struct ar
- int wait = 0;
-
- /* deassert PCIe host controller and PCIe PHY reset */
-- ath79_device_reset_clear(AR724X_RESET_PCIE);
-- ath79_device_reset_clear(AR724X_RESET_PCIE_PHY);
-+ if (soc_is_qca955x()) {
-+ ath79_device_reset_clear(QCA955X_RESET_PCIE);
-+ mdelay(10);
-+ ath79_device_reset_clear(QCA955X_RESET_PCIE_PHY);
-+ mdelay(10);
-+ ath79_device_reset2_clear(QCA955X_RESET_PCIE);
-+ mdelay(10);
-+ ath79_device_reset2_clear(QCA955X_RESET_PCIE_PHY);
-+ mdelay(10);
-+ } else {
-+ ath79_device_reset_clear(AR724X_RESET_PCIE);
-+ ath79_device_reset_clear(AR724X_RESET_PCIE_PHY);
-+ }
-
- /* remove the reset of the PCIE PLL */
-- ppl = ath79_pll_rr(AR724X_PLL_REG_PCIE_CONFIG);
-- ppl &= ~AR724X_PLL_REG_PCIE_CONFIG_PPL_RESET;
-- ath79_pll_wr(AR724X_PLL_REG_PCIE_CONFIG, ppl);
-+ if (!soc_is_qca955x()) {
-+ ppl = ath79_pll_rr(AR724X_PLL_REG_PCIE_CONFIG);
-+ ppl &= ~AR724X_PLL_REG_PCIE_CONFIG_PPL_RESET;
-+ ath79_pll_wr(AR724X_PLL_REG_PCIE_CONFIG, ppl);
-+ }
-
- /* deassert bypass for the PCIE PLL */
-- ppl = ath79_pll_rr(AR724X_PLL_REG_PCIE_CONFIG);
-- ppl &= ~AR724X_PLL_REG_PCIE_CONFIG_PPL_BYPASS;
-- ath79_pll_wr(AR724X_PLL_REG_PCIE_CONFIG, ppl);
-+ if (soc_is_qca955x()) {
-+ ppl = ath79_pll_rr(QCA955X_PLL_PCIE_CONFIG_REG);
-+ ppl &= ~AR724X_PLL_REG_PCIE_CONFIG_PPL_BYPASS;
-+ ath79_pll_wr(QCA955X_PLL_PCIE_CONFIG_REG, ppl);
-+ } else {
-+ ppl = ath79_pll_rr(AR724X_PLL_REG_PCIE_CONFIG);
-+ ppl &= ~AR724X_PLL_REG_PCIE_CONFIG_PPL_BYPASS;
-+ ath79_pll_wr(AR724X_PLL_REG_PCIE_CONFIG, ppl);
-+ }
-
- /* set PCIE Application Control to ready */
- app = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_APP);
-@@ -422,8 +441,14 @@ static int ar724x_pci_probe(struct platf
- * Do the full PCIE Root Complex Initialization Sequence if the PCIe
- * host controller is in reset.
- */
-- if (ath79_reset_rr(AR724X_RESET_REG_RESET_MODULE) & AR724X_RESET_PCIE)
-- ar724x_pci_hw_init(apc);
-+ if (soc_is_qca955x()) {
-+ if (ath79_reset_rr(QCA955X_RESET_REG_RESET_MODULE) & QCA955X_RESET_PCIE ||
-+ ath79_reset_rr(QCA955X_RESET_REG_RESET2_MODULE) & QCA955X_RESET_PCIE)
-+ ar724x_pci_hw_init(apc);
-+ } else {
-+ if (ath79_reset_rr(AR724X_RESET_REG_RESET_MODULE) & AR724X_RESET_PCIE)
-+ ar724x_pci_hw_init(apc);
-+ }
-
- apc->link_up = ar724x_pci_check_link(apc);
- if (!apc->link_up)