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Diffstat (limited to 'target/linux/ath79/patches-4.14/0016-MIPS-ath79-add-support-for-QCA953x-SoC.patch')
-rw-r--r--target/linux/ath79/patches-4.14/0016-MIPS-ath79-add-support-for-QCA953x-SoC.patch331
1 files changed, 0 insertions, 331 deletions
diff --git a/target/linux/ath79/patches-4.14/0016-MIPS-ath79-add-support-for-QCA953x-SoC.patch b/target/linux/ath79/patches-4.14/0016-MIPS-ath79-add-support-for-QCA953x-SoC.patch
deleted file mode 100644
index 0432a23d14..0000000000
--- a/target/linux/ath79/patches-4.14/0016-MIPS-ath79-add-support-for-QCA953x-SoC.patch
+++ /dev/null
@@ -1,331 +0,0 @@
-From cff23ba486e3c5d17c4d7e446f5eddead855c101 Mon Sep 17 00:00:00 2001
-From: John Crispin <john@phrozen.org>
-Date: Tue, 6 Mar 2018 08:45:55 +0100
-Subject: [PATCH 16/27] MIPS: ath79: add support for QCA953x SoC
-
-Note that the clock calculation looks very similar to the QCA955x, but the
-meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
-
-Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
----
- arch/mips/ath79/Kconfig | 6 ++-
- arch/mips/ath79/clock.c | 87 ++++++++++++++++++++++++++++++++
- arch/mips/ath79/common.c | 4 ++
- arch/mips/ath79/dev-common.c | 4 ++
- arch/mips/ath79/early_printk.c | 2 +
- arch/mips/ath79/irq.c | 33 +++++++++++-
- arch/mips/ath79/setup.c | 21 ++++++--
- arch/mips/include/asm/mach-ath79/ath79.h | 11 ++++
- 8 files changed, 162 insertions(+), 6 deletions(-)
-
---- a/arch/mips/ath79/Kconfig
-+++ b/arch/mips/ath79/Kconfig
-@@ -94,6 +94,10 @@ config SOC_AR934X
- select PCI_AR724X if PCI
- def_bool n
-
-+config SOC_QCA953X
-+ select USB_ARCH_HAS_EHCI
-+ def_bool n
-+
- config SOC_QCA955X
- select HW_HAS_PCI
- select PCI_AR724X if PCI
-@@ -115,7 +119,7 @@ config ATH79_DEV_USB
- def_bool n
-
- config ATH79_DEV_WMAC
-- depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA955X)
-+ depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA953X || SOC_QCA955X)
- def_bool n
-
- endif
---- a/arch/mips/ath79/clock.c
-+++ b/arch/mips/ath79/clock.c
-@@ -355,6 +355,91 @@ static void __init ar934x_clocks_init(vo
- iounmap(dpll_base);
- }
-
-+static void __init qca953x_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, frac, clk_ctrl, postdiv;
-+ u32 cpu_pll, ddr_pll;
-+ u32 bootstrap;
-+
-+ bootstrap = ath79_reset_rr(QCA953X_RESET_REG_BOOTSTRAP);
-+ if (bootstrap & QCA953X_BOOTSTRAP_REF_CLK_40)
-+ ref_rate = 40 * 1000 * 1000;
-+ else
-+ ref_rate = 25 * 1000 * 1000;
-+
-+ pll = ath79_pll_rr(QCA953X_PLL_CPU_CONFIG_REG);
-+ out_div = (pll >> QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK;
-+ ref_div = (pll >> QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_REFDIV_MASK;
-+ nint = (pll >> QCA953X_PLL_CPU_CONFIG_NINT_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_NINT_MASK;
-+ frac = (pll >> QCA953X_PLL_CPU_CONFIG_NFRAC_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_NFRAC_MASK;
-+
-+ cpu_pll = nint * ref_rate / ref_div;
-+ cpu_pll += frac * (ref_rate >> 6) / ref_div;
-+ cpu_pll /= (1 << out_div);
-+
-+ pll = ath79_pll_rr(QCA953X_PLL_DDR_CONFIG_REG);
-+ out_div = (pll >> QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK;
-+ ref_div = (pll >> QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_REFDIV_MASK;
-+ nint = (pll >> QCA953X_PLL_DDR_CONFIG_NINT_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_NINT_MASK;
-+ frac = (pll >> QCA953X_PLL_DDR_CONFIG_NFRAC_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_NFRAC_MASK;
-+
-+ ddr_pll = nint * ref_rate / ref_div;
-+ ddr_pll += frac * (ref_rate >> 6) / (ref_div << 4);
-+ ddr_pll /= (1 << out_div);
-+
-+ clk_ctrl = ath79_pll_rr(QCA953X_PLL_CLK_CTRL_REG);
-+
-+ postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) &
-+ QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS)
-+ cpu_rate = ref_rate;
-+ else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL)
-+ cpu_rate = cpu_pll / (postdiv + 1);
-+ else
-+ cpu_rate = ddr_pll / (postdiv + 1);
-+
-+ postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) &
-+ QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS)
-+ ddr_rate = ref_rate;
-+ else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL)
-+ ddr_rate = ddr_pll / (postdiv + 1);
-+ else
-+ ddr_rate = cpu_pll / (postdiv + 1);
-+
-+ postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) &
-+ QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS)
-+ ahb_rate = ref_rate;
-+ else if (clk_ctrl & QCA953X_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);
-+}
-+
- static void __init qca955x_clocks_init(void)
- {
- unsigned long ref_rate;
-@@ -450,6 +535,8 @@ void __init ath79_clocks_init(void)
- ar933x_clocks_init();
- else if (soc_is_ar934x())
- ar934x_clocks_init();
-+ else if (soc_is_qca953x())
-+ qca953x_clocks_init();
- else if (soc_is_qca955x())
- qca955x_clocks_init();
- else
---- a/arch/mips/ath79/common.c
-+++ b/arch/mips/ath79/common.c
-@@ -103,6 +103,8 @@ void ath79_device_reset_set(u32 mask)
- reg = AR933X_RESET_REG_RESET_MODULE;
- else if (soc_is_ar934x())
- reg = AR934X_RESET_REG_RESET_MODULE;
-+ else if (soc_is_qca953x())
-+ reg = QCA953X_RESET_REG_RESET_MODULE;
- else if (soc_is_qca955x())
- reg = QCA955X_RESET_REG_RESET_MODULE;
- else
-@@ -131,6 +133,8 @@ void ath79_device_reset_clear(u32 mask)
- reg = AR933X_RESET_REG_RESET_MODULE;
- else if (soc_is_ar934x())
- reg = AR934X_RESET_REG_RESET_MODULE;
-+ else if (soc_is_qca953x())
-+ reg = QCA953X_RESET_REG_RESET_MODULE;
- else if (soc_is_qca955x())
- reg = QCA955X_RESET_REG_RESET_MODULE;
- else
---- a/arch/mips/ath79/dev-common.c
-+++ b/arch/mips/ath79/dev-common.c
-@@ -85,6 +85,7 @@ void __init ath79_register_uart(void)
- soc_is_ar724x() ||
- soc_is_ar913x() ||
- soc_is_ar934x() ||
-+ soc_is_qca953x() ||
- soc_is_qca955x()) {
- ath79_uart_data[0].uartclk = uart_clk_rate;
- platform_device_register(&ath79_uart_device);
-@@ -148,6 +149,9 @@ void __init ath79_gpio_init(void)
- } else if (soc_is_ar934x()) {
- ath79_gpio_pdata.ngpios = AR934X_GPIO_COUNT;
- ath79_gpio_pdata.oe_inverted = 1;
-+ } else if (soc_is_qca953x()) {
-+ ath79_gpio_pdata.ngpios = QCA953X_GPIO_COUNT;
-+ ath79_gpio_pdata.oe_inverted = 1;
- } else if (soc_is_qca955x()) {
- ath79_gpio_pdata.ngpios = QCA955X_GPIO_COUNT;
- ath79_gpio_pdata.oe_inverted = 1;
---- a/arch/mips/ath79/early_printk.c
-+++ b/arch/mips/ath79/early_printk.c
-@@ -116,6 +116,8 @@ static void prom_putchar_init(void)
- case REV_ID_MAJOR_AR9341:
- case REV_ID_MAJOR_AR9342:
- case REV_ID_MAJOR_AR9344:
-+ case REV_ID_MAJOR_QCA9533:
-+ case REV_ID_MAJOR_QCA9533_V2:
- case REV_ID_MAJOR_QCA9556:
- case REV_ID_MAJOR_QCA9558:
- _prom_putchar = prom_putchar_ar71xx;
---- a/arch/mips/ath79/irq.c
-+++ b/arch/mips/ath79/irq.c
-@@ -56,6 +56,34 @@ static void ar934x_ip2_irq_init(void)
- irq_set_chained_handler(ATH79_CPU_IRQ(2), ar934x_ip2_irq_dispatch);
- }
-
-+static void qca953x_ip2_irq_dispatch(struct irq_desc *desc)
-+{
-+ u32 status;
-+
-+ status = ath79_reset_rr(QCA953X_RESET_REG_PCIE_WMAC_INT_STATUS);
-+
-+ if (status & QCA953X_PCIE_WMAC_INT_PCIE_ALL) {
-+ ath79_ddr_wb_flush(3);
-+ generic_handle_irq(ATH79_IP2_IRQ(0));
-+ } else if (status & QCA953X_PCIE_WMAC_INT_WMAC_ALL) {
-+ ath79_ddr_wb_flush(4);
-+ generic_handle_irq(ATH79_IP2_IRQ(1));
-+ } else {
-+ spurious_interrupt();
-+ }
-+}
-+
-+static void qca953x_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), qca953x_ip2_irq_dispatch);
-+}
-+
- static void qca955x_ip2_irq_dispatch(struct irq_desc *desc)
- {
- u32 status;
-@@ -143,7 +171,7 @@ void __init arch_init_irq(void)
- soc_is_ar913x() || soc_is_ar933x()) {
- irq_wb_chan2 = 3;
- irq_wb_chan3 = 2;
-- } else if (soc_is_ar934x()) {
-+ } else if (soc_is_ar934x() || soc_is_qca953x()) {
- irq_wb_chan3 = 2;
- }
-
-@@ -154,6 +182,7 @@ void __init arch_init_irq(void)
- else if (soc_is_ar724x() ||
- soc_is_ar933x() ||
- soc_is_ar934x() ||
-+ soc_is_qca953x() ||
- soc_is_qca955x())
- misc_is_ar71xx = false;
- else
-@@ -164,6 +193,8 @@ void __init arch_init_irq(void)
-
- if (soc_is_ar934x())
- ar934x_ip2_irq_init();
-+ else if (soc_is_qca953x())
-+ qca953x_irq_init();
- else if (soc_is_qca955x())
- qca955x_irq_init();
- }
---- a/arch/mips/ath79/setup.c
-+++ b/arch/mips/ath79/setup.c
-@@ -60,6 +60,7 @@ static void __init ath79_detect_sys_type
- u32 major;
- u32 minor;
- u32 rev = 0;
-+ u32 ver = 1;
-
- id = ath79_reset_rr(AR71XX_RESET_REG_REV_ID);
- major = id & REV_ID_MAJOR_MASK;
-@@ -152,6 +153,17 @@ static void __init ath79_detect_sys_type
- rev = id & AR934X_REV_ID_REVISION_MASK;
- break;
-
-+ case REV_ID_MAJOR_QCA9533_V2:
-+ ver = 2;
-+ ath79_soc_rev = 2;
-+ /* drop through */
-+
-+ case REV_ID_MAJOR_QCA9533:
-+ ath79_soc = ATH79_SOC_QCA9533;
-+ chip = "9533";
-+ rev = id & QCA953X_REV_ID_REVISION_MASK;
-+ break;
-+
- case REV_ID_MAJOR_QCA9556:
- ath79_soc = ATH79_SOC_QCA9556;
- chip = "9556";
-@@ -168,11 +180,12 @@ static void __init ath79_detect_sys_type
- panic("ath79: unknown SoC, id:0x%08x", id);
- }
-
-- ath79_soc_rev = rev;
-+ if (ver == 1)
-+ ath79_soc_rev = rev;
-
-- if (soc_is_qca955x())
-- sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s rev %u",
-- chip, rev);
-+ if (soc_is_qca953x() || soc_is_qca955x())
-+ sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u",
-+ chip, ver, rev);
- else
- sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev);
- pr_info("SoC: %s\n", ath79_sys_type);
---- a/arch/mips/include/asm/mach-ath79/ath79.h
-+++ b/arch/mips/include/asm/mach-ath79/ath79.h
-@@ -32,6 +32,7 @@ enum ath79_soc_type {
- ATH79_SOC_AR9341,
- ATH79_SOC_AR9342,
- ATH79_SOC_AR9344,
-+ ATH79_SOC_QCA9533,
- ATH79_SOC_QCA9556,
- ATH79_SOC_QCA9558,
- };
-@@ -100,6 +101,16 @@ static inline int soc_is_ar934x(void)
- return soc_is_ar9341() || soc_is_ar9342() || soc_is_ar9344();
- }
-
-+static inline int soc_is_qca9533(void)
-+{
-+ return ath79_soc == ATH79_SOC_QCA9533;
-+}
-+
-+static inline int soc_is_qca953x(void)
-+{
-+ return soc_is_qca9533();
-+}
-+
- static inline int soc_is_qca9556(void)
- {
- return ath79_soc == ATH79_SOC_QCA9556;
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