You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
4.1 KiB
120 lines
4.1 KiB
--- 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)
|
|
|