diff options
Diffstat (limited to 'target/linux/ath79/patches-4.14/0017-MIPS-ath79-add-support-for-qca956x-soc.patch')
| -rw-r--r-- | target/linux/ath79/patches-4.14/0017-MIPS-ath79-add-support-for-qca956x-soc.patch | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-4.14/0017-MIPS-ath79-add-support-for-qca956x-soc.patch b/target/linux/ath79/patches-4.14/0017-MIPS-ath79-add-support-for-qca956x-soc.patch new file mode 100644 index 0000000000..052d23c8ba --- /dev/null +++ b/target/linux/ath79/patches-4.14/0017-MIPS-ath79-add-support-for-qca956x-soc.patch @@ -0,0 +1,431 @@ +From 6aeb24b9508bbe91f89cd4eb21d0d7582d971146 Mon Sep 17 00:00:00 2001 +From: Weijie Gao <hackpascal@gmail.com> +Date: Tue, 6 Mar 2018 08:48:31 +0100 +Subject: [PATCH 17/27] MIPS: ath79: add support for qca956x soc + +This patch adds soc support for QCA9561 and TP9343. +TP9343 is a reduced version of QCA9561, which can be found in TP-LINK routers in China. +The qca956x_wmac has not yet been supported by ath9k. + +tested on TL-WDR6500 and TL-WR882N v1 (Chinese version) + +Signed-off-by: Weijie Gao <hackpascal@gmail.com> +--- + arch/mips/ath79/Kconfig | 2 +- + arch/mips/ath79/clock.c | 96 ++++++++++++++++++++++++++++++++ + arch/mips/ath79/common.c | 4 ++ + arch/mips/ath79/dev-common.c | 7 ++- + arch/mips/ath79/early_printk.c | 2 + + arch/mips/ath79/irq.c | 87 ++++++++++++++++++++++++++++- + arch/mips/ath79/pci.c | 12 ++++ + arch/mips/ath79/setup.c | 17 +++++- + arch/mips/include/asm/mach-ath79/ath79.h | 22 ++++++++ + 9 files changed, 245 insertions(+), 4 deletions(-) + +diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig +index b03f5c8b9d1e..ad56cdbc8abd 100644 +--- a/arch/mips/ath79/Kconfig ++++ b/arch/mips/ath79/Kconfig +@@ -119,7 +119,7 @@ config ATH79_DEV_USB + def_bool n + + config ATH79_DEV_WMAC +- depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA953X || SOC_QCA955X) ++ depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA953X || SOC_QCA955X || SOC_QCA956X) + def_bool n + + endif +diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c +index b9595b2d1b65..65701b45fb1b 100644 +--- a/arch/mips/ath79/clock.c ++++ b/arch/mips/ath79/clock.c +@@ -525,6 +525,100 @@ static void __init qca955x_clocks_init(void) + clk_add_alias("uart", NULL, "ref", NULL); + } + ++static void __init qca956x_clocks_init(void) ++{ ++ unsigned long ref_rate; ++ unsigned long cpu_rate; ++ unsigned long ddr_rate; ++ unsigned long ahb_rate; ++ u32 pll, out_div, ref_div, nint, hfrac, lfrac, clk_ctrl, postdiv; ++ u32 cpu_pll, ddr_pll; ++ u32 bootstrap; ++ ++ bootstrap = ath79_reset_rr(QCA956X_RESET_REG_BOOTSTRAP); ++ if (bootstrap & QCA956X_BOOTSTRAP_REF_CLK_40) ++ ref_rate = 40 * 1000 * 1000; ++ else ++ ref_rate = 25 * 1000 * 1000; ++ ++ pll = ath79_pll_rr(QCA956X_PLL_CPU_CONFIG_REG); ++ out_div = (pll >> QCA956X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & ++ QCA956X_PLL_CPU_CONFIG_OUTDIV_MASK; ++ ref_div = (pll >> QCA956X_PLL_CPU_CONFIG_REFDIV_SHIFT) & ++ QCA956X_PLL_CPU_CONFIG_REFDIV_MASK; ++ ++ pll = ath79_pll_rr(QCA956X_PLL_CPU_CONFIG1_REG); ++ nint = (pll >> QCA956X_PLL_CPU_CONFIG1_NINT_SHIFT) & ++ QCA956X_PLL_CPU_CONFIG1_NINT_MASK; ++ hfrac = (pll >> QCA956X_PLL_CPU_CONFIG1_NFRAC_H_SHIFT) & ++ QCA956X_PLL_CPU_CONFIG1_NFRAC_H_MASK; ++ lfrac = (pll >> QCA956X_PLL_CPU_CONFIG1_NFRAC_L_SHIFT) & ++ QCA956X_PLL_CPU_CONFIG1_NFRAC_L_MASK; ++ ++ cpu_pll = nint * ref_rate / ref_div; ++ cpu_pll += (lfrac * ref_rate) / ((ref_div * 25) << 13); ++ cpu_pll += (hfrac >> 13) * ref_rate / ref_div; ++ cpu_pll /= (1 << out_div); ++ ++ pll = ath79_pll_rr(QCA956X_PLL_DDR_CONFIG_REG); ++ out_div = (pll >> QCA956X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & ++ QCA956X_PLL_DDR_CONFIG_OUTDIV_MASK; ++ ref_div = (pll >> QCA956X_PLL_DDR_CONFIG_REFDIV_SHIFT) & ++ QCA956X_PLL_DDR_CONFIG_REFDIV_MASK; ++ pll = ath79_pll_rr(QCA956X_PLL_DDR_CONFIG1_REG); ++ nint = (pll >> QCA956X_PLL_DDR_CONFIG1_NINT_SHIFT) & ++ QCA956X_PLL_DDR_CONFIG1_NINT_MASK; ++ hfrac = (pll >> QCA956X_PLL_DDR_CONFIG1_NFRAC_H_SHIFT) & ++ QCA956X_PLL_DDR_CONFIG1_NFRAC_H_MASK; ++ lfrac = (pll >> QCA956X_PLL_DDR_CONFIG1_NFRAC_L_SHIFT) & ++ QCA956X_PLL_DDR_CONFIG1_NFRAC_L_MASK; ++ ++ ddr_pll = nint * ref_rate / ref_div; ++ ddr_pll += (lfrac * ref_rate) / ((ref_div * 25) << 13); ++ ddr_pll += (hfrac >> 13) * ref_rate / ref_div; ++ ddr_pll /= (1 << out_div); ++ ++ clk_ctrl = ath79_pll_rr(QCA956X_PLL_CLK_CTRL_REG); ++ ++ postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) & ++ QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_MASK; ++ ++ if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_PLL_BYPASS) ++ cpu_rate = ref_rate; ++ else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_CPUPLL) ++ cpu_rate = ddr_pll / (postdiv + 1); ++ else ++ cpu_rate = cpu_pll / (postdiv + 1); ++ ++ postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) & ++ QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_MASK; ++ ++ if (clk_ctrl & QCA956X_PLL_CLK_CTRL_DDR_PLL_BYPASS) ++ ddr_rate = ref_rate; ++ else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_DDRPLL) ++ ddr_rate = cpu_pll / (postdiv + 1); ++ else ++ ddr_rate = ddr_pll / (postdiv + 1); ++ ++ postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) & ++ QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_MASK; ++ ++ if (clk_ctrl & QCA956X_PLL_CLK_CTRL_AHB_PLL_BYPASS) ++ ahb_rate = ref_rate; ++ else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL) ++ ahb_rate = ddr_pll / (postdiv + 1); ++ else ++ ahb_rate = cpu_pll / (postdiv + 1); ++ ++ ath79_add_sys_clkdev("ref", ref_rate); ++ ath79_add_sys_clkdev("cpu", cpu_rate); ++ ath79_add_sys_clkdev("ddr", ddr_rate); ++ ath79_add_sys_clkdev("ahb", ahb_rate); ++ ++ clk_add_alias("wdt", NULL, "ref", NULL); ++ clk_add_alias("uart", NULL, "ref", NULL); ++} ++ + void __init ath79_clocks_init(void) + { + if (soc_is_ar71xx()) +@@ -539,6 +633,8 @@ void __init ath79_clocks_init(void) + qca953x_clocks_init(); + else if (soc_is_qca955x()) + qca955x_clocks_init(); ++ else if (soc_is_qca956x() || soc_is_tp9343()) ++ qca956x_clocks_init(); + else + BUG(); + } +diff --git a/arch/mips/ath79/common.c b/arch/mips/ath79/common.c +index a485a7c35b9b..fc3438150b3e 100644 +--- a/arch/mips/ath79/common.c ++++ b/arch/mips/ath79/common.c +@@ -107,6 +107,8 @@ void ath79_device_reset_set(u32 mask) + reg = QCA953X_RESET_REG_RESET_MODULE; + else if (soc_is_qca955x()) + reg = QCA955X_RESET_REG_RESET_MODULE; ++ else if (soc_is_qca956x() || soc_is_tp9343()) ++ reg = QCA956X_RESET_REG_RESET_MODULE; + else + panic("Reset register not defined for this SOC"); + +@@ -137,6 +139,8 @@ void ath79_device_reset_clear(u32 mask) + reg = QCA953X_RESET_REG_RESET_MODULE; + else if (soc_is_qca955x()) + reg = QCA955X_RESET_REG_RESET_MODULE; ++ else if (soc_is_qca956x() || soc_is_tp9343()) ++ reg = QCA956X_RESET_REG_RESET_MODULE; + else + panic("Reset register not defined for this SOC"); + +diff --git a/arch/mips/ath79/dev-common.c b/arch/mips/ath79/dev-common.c +index 99d8b88f1e6d..ac8bfe86b656 100644 +--- a/arch/mips/ath79/dev-common.c ++++ b/arch/mips/ath79/dev-common.c +@@ -86,7 +86,9 @@ void __init ath79_register_uart(void) + soc_is_ar913x() || + soc_is_ar934x() || + soc_is_qca953x() || +- soc_is_qca955x()) { ++ soc_is_qca955x() || ++ soc_is_qca956x() || ++ soc_is_tp9343()) { + ath79_uart_data[0].uartclk = uart_clk_rate; + platform_device_register(&ath79_uart_device); + } else if (soc_is_ar933x()) { +@@ -155,6 +157,9 @@ void __init ath79_gpio_init(void) + } else if (soc_is_qca955x()) { + ath79_gpio_pdata.ngpios = QCA955X_GPIO_COUNT; + ath79_gpio_pdata.oe_inverted = 1; ++ } else if (soc_is_qca956x() || soc_is_tp9343()) { ++ ath79_gpio_pdata.ngpios = QCA956X_GPIO_COUNT; ++ ath79_gpio_pdata.oe_inverted = 1; + } else { + BUG(); + } +diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c +index cc00839b7181..2024a0bb9144 100644 +--- a/arch/mips/ath79/early_printk.c ++++ b/arch/mips/ath79/early_printk.c +@@ -120,6 +120,8 @@ static void prom_putchar_init(void) + case REV_ID_MAJOR_QCA9533_V2: + case REV_ID_MAJOR_QCA9556: + case REV_ID_MAJOR_QCA9558: ++ case REV_ID_MAJOR_TP9343: ++ case REV_ID_MAJOR_QCA956X: + _prom_putchar = prom_putchar_ar71xx; + break; + +diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c +index 756b5aee3500..58d17ef6f58f 100644 +--- a/arch/mips/ath79/irq.c ++++ b/arch/mips/ath79/irq.c +@@ -156,6 +156,87 @@ static void qca955x_irq_init(void) + irq_set_chained_handler(ATH79_CPU_IRQ(3), qca955x_ip3_irq_dispatch); + } + ++static void qca956x_ip2_irq_dispatch(struct irq_desc *desc) ++{ ++ u32 status; ++ ++ status = ath79_reset_rr(QCA956X_RESET_REG_EXT_INT_STATUS); ++ status &= QCA956X_EXT_INT_PCIE_RC1_ALL | QCA956X_EXT_INT_WMAC_ALL; ++ ++ if (status == 0) { ++ spurious_interrupt(); ++ return; ++ } ++ ++ if (status & QCA956X_EXT_INT_PCIE_RC1_ALL) { ++ /* TODO: flush DDR? */ ++ generic_handle_irq(ATH79_IP2_IRQ(0)); ++ } ++ ++ if (status & QCA956X_EXT_INT_WMAC_ALL) { ++ /* TODO: flsuh DDR? */ ++ generic_handle_irq(ATH79_IP2_IRQ(1)); ++ } ++} ++ ++static void qca956x_ip3_irq_dispatch(struct irq_desc *desc) ++{ ++ u32 status; ++ ++ status = ath79_reset_rr(QCA956X_RESET_REG_EXT_INT_STATUS); ++ status &= QCA956X_EXT_INT_PCIE_RC2_ALL | ++ QCA956X_EXT_INT_USB1 | QCA956X_EXT_INT_USB2; ++ ++ if (status == 0) { ++ spurious_interrupt(); ++ return; ++ } ++ ++ if (status & QCA956X_EXT_INT_USB1) { ++ /* TODO: flush DDR? */ ++ generic_handle_irq(ATH79_IP3_IRQ(0)); ++ } ++ ++ if (status & QCA956X_EXT_INT_USB2) { ++ /* TODO: flush DDR? */ ++ generic_handle_irq(ATH79_IP3_IRQ(1)); ++ } ++ ++ if (status & QCA956X_EXT_INT_PCIE_RC2_ALL) { ++ /* TODO: flush DDR? */ ++ generic_handle_irq(ATH79_IP3_IRQ(2)); ++ } ++} ++ ++static void qca956x_enable_timer_cb(void) { ++ u32 misc; ++ ++ misc = ath79_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE); ++ misc |= MISC_INT_MIPS_SI_TIMERINT_MASK; ++ ath79_reset_wr(AR71XX_RESET_REG_MISC_INT_ENABLE, misc); ++} ++ ++static void qca956x_irq_init(void) ++{ ++ int i; ++ ++ for (i = ATH79_IP2_IRQ_BASE; ++ i < ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT; i++) ++ irq_set_chip_and_handler(i, &dummy_irq_chip, handle_level_irq); ++ ++ irq_set_chained_handler(ATH79_CPU_IRQ(2), qca956x_ip2_irq_dispatch); ++ ++ for (i = ATH79_IP3_IRQ_BASE; ++ i < ATH79_IP3_IRQ_BASE + ATH79_IP3_IRQ_COUNT; i++) ++ irq_set_chip_and_handler(i, &dummy_irq_chip, handle_level_irq); ++ ++ irq_set_chained_handler(ATH79_CPU_IRQ(3), qca956x_ip3_irq_dispatch); ++ ++ /* QCA956x timer init workaround has to be applied right before setting ++ * up the clock. Else, there will be no jiffies */ ++ late_time_init = &qca956x_enable_timer_cb; ++} ++ + void __init arch_init_irq(void) + { + unsigned irq_wb_chan2 = -1; +@@ -183,7 +264,9 @@ void __init arch_init_irq(void) + soc_is_ar933x() || + soc_is_ar934x() || + soc_is_qca953x() || +- soc_is_qca955x()) ++ soc_is_qca955x() || ++ soc_is_qca956x() || ++ soc_is_tp9343()) + misc_is_ar71xx = false; + else + BUG(); +@@ -197,4 +280,6 @@ void __init arch_init_irq(void) + qca953x_irq_init(); + else if (soc_is_qca955x()) + qca955x_irq_init(); ++ else if (soc_is_qca956x() || soc_is_tp9343()) ++ qca956x_irq_init(); + } +diff --git a/arch/mips/ath79/pci.c b/arch/mips/ath79/pci.c +index b816cb4a25ff..d905a67e1a07 100644 +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -82,6 +82,9 @@ int pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) + } else if (soc_is_qca955x()) { + ath79_pci_irq_map = qca955x_pci_irq_map; + ath79_pci_nr_irqs = ARRAY_SIZE(qca955x_pci_irq_map); ++ } else if (soc_is_qca956x()) { ++ ath79_pci_irq_map = qca956x_pci_irq_map; ++ ath79_pci_nr_irqs = ARRAY_SIZE(qca956x_pci_irq_map); + } else { + pr_crit("pci %s: invalid irq map\n", + pci_name((struct pci_dev *) dev)); +@@ -261,6 +264,15 @@ int __init ath79_register_pci(void) + QCA955X_PCI_MEM_SIZE, + 1, + ATH79_IP3_IRQ(2)); ++ } else if (soc_is_qca956x()) { ++ pdev = ath79_register_pci_ar724x(0, ++ QCA956X_PCI_CFG_BASE1, ++ QCA956X_PCI_CTRL_BASE1, ++ QCA956X_PCI_CRP_BASE1, ++ QCA956X_PCI_MEM_BASE1, ++ QCA956X_PCI_MEM_SIZE, ++ 1, ++ ATH79_IP3_IRQ(2)); + } else { + /* No PCI support */ + return -ENODEV; +diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c +index f782ae6c77d6..4c7a93f4039a 100644 +--- a/arch/mips/ath79/setup.c ++++ b/arch/mips/ath79/setup.c +@@ -176,6 +176,18 @@ static void __init ath79_detect_sys_type(void) + rev = id & QCA955X_REV_ID_REVISION_MASK; + break; + ++ case REV_ID_MAJOR_QCA956X: ++ ath79_soc = ATH79_SOC_QCA956X; ++ chip = "956X"; ++ rev = id & QCA956X_REV_ID_REVISION_MASK; ++ break; ++ ++ case REV_ID_MAJOR_TP9343: ++ ath79_soc = ATH79_SOC_TP9343; ++ chip = "9343"; ++ rev = id & QCA956X_REV_ID_REVISION_MASK; ++ break; ++ + default: + panic("ath79: unknown SoC, id:0x%08x", id); + } +@@ -183,9 +195,12 @@ static void __init ath79_detect_sys_type(void) + if (ver == 1) + ath79_soc_rev = rev; + +- if (soc_is_qca953x() || soc_is_qca955x()) ++ if (soc_is_qca953x() || soc_is_qca955x() || soc_is_qca956x()) + sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u", + chip, ver, rev); ++ else if (soc_is_tp9343()) ++ sprintf(ath79_sys_type, "Qualcomm Atheros TP%s rev %u", ++ chip, rev); + else + sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev); + pr_info("SoC: %s\n", ath79_sys_type); +diff --git a/arch/mips/include/asm/mach-ath79/ath79.h b/arch/mips/include/asm/mach-ath79/ath79.h +index 98a7ccf3d358..73dcd63b8243 100644 +--- a/arch/mips/include/asm/mach-ath79/ath79.h ++++ b/arch/mips/include/asm/mach-ath79/ath79.h +@@ -35,6 +35,8 @@ enum ath79_soc_type { + ATH79_SOC_QCA9533, + ATH79_SOC_QCA9556, + ATH79_SOC_QCA9558, ++ ATH79_SOC_TP9343, ++ ATH79_SOC_QCA956X, + }; + + extern enum ath79_soc_type ath79_soc; +@@ -126,6 +128,26 @@ static inline int soc_is_qca955x(void) + return soc_is_qca9556() || soc_is_qca9558(); + } + ++static inline int soc_is_tp9343(void) ++{ ++ return ath79_soc == ATH79_SOC_TP9343; ++} ++ ++static inline int soc_is_qca9561(void) ++{ ++ return ath79_soc == ATH79_SOC_QCA956X; ++} ++ ++static inline int soc_is_qca9563(void) ++{ ++ return ath79_soc == ATH79_SOC_QCA956X; ++} ++ ++static inline int soc_is_qca956x(void) ++{ ++ return soc_is_qca9561() || soc_is_qca9563(); ++} ++ + void ath79_ddr_wb_flush(unsigned int reg); + void ath79_ddr_set_pci_windows(void); + +-- +2.11.0 + |