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linux-7.2.3/arch/mips/include/asm/mach-ath79/ar933x_uart.h

@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  Atheros AR933X UART defines
+ *
+ *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ */
+
+#ifndef __AR933X_UART_H
+#define __AR933X_UART_H
+
+#define AR933X_UART_REGS_SIZE		20
+#define AR933X_UART_FIFO_SIZE		16
+
+#define AR933X_UART_DATA_REG		0x00
+#define AR933X_UART_CS_REG		0x04
+#define AR933X_UART_CLOCK_REG		0x08
+#define AR933X_UART_INT_REG		0x0c
+#define AR933X_UART_INT_EN_REG		0x10
+
+#define AR933X_UART_DATA_TX_RX_MASK	0xff
+#define AR933X_UART_DATA_RX_CSR		BIT(8)
+#define AR933X_UART_DATA_TX_CSR		BIT(9)
+
+#define AR933X_UART_CS_PARITY_S		0
+#define AR933X_UART_CS_PARITY_M		0x3
+#define	  AR933X_UART_CS_PARITY_NONE	0
+#define	  AR933X_UART_CS_PARITY_ODD	2
+#define	  AR933X_UART_CS_PARITY_EVEN	3
+#define AR933X_UART_CS_IF_MODE_S	2
+#define AR933X_UART_CS_IF_MODE_M	0x3
+#define	  AR933X_UART_CS_IF_MODE_NONE	0
+#define	  AR933X_UART_CS_IF_MODE_DTE	1
+#define	  AR933X_UART_CS_IF_MODE_DCE	2
+#define AR933X_UART_CS_FLOW_CTRL_S	4
+#define AR933X_UART_CS_FLOW_CTRL_M	0x3
+#define AR933X_UART_CS_DMA_EN		BIT(6)
+#define AR933X_UART_CS_TX_READY_ORIDE	BIT(7)
+#define AR933X_UART_CS_RX_READY_ORIDE	BIT(8)
+#define AR933X_UART_CS_TX_READY		BIT(9)
+#define AR933X_UART_CS_RX_BREAK		BIT(10)
+#define AR933X_UART_CS_TX_BREAK		BIT(11)
+#define AR933X_UART_CS_HOST_INT		BIT(12)
+#define AR933X_UART_CS_HOST_INT_EN	BIT(13)
+#define AR933X_UART_CS_TX_BUSY		BIT(14)
+#define AR933X_UART_CS_RX_BUSY		BIT(15)
+
+#define AR933X_UART_CLOCK_STEP_M	0xffff
+#define AR933X_UART_CLOCK_SCALE_M	0xfff
+#define AR933X_UART_CLOCK_SCALE_S	16
+#define AR933X_UART_CLOCK_STEP_M	0xffff
+
+#define AR933X_UART_INT_RX_VALID	BIT(0)
+#define AR933X_UART_INT_TX_READY	BIT(1)
+#define AR933X_UART_INT_RX_FRAMING_ERR	BIT(2)
+#define AR933X_UART_INT_RX_OFLOW_ERR	BIT(3)
+#define AR933X_UART_INT_TX_OFLOW_ERR	BIT(4)
+#define AR933X_UART_INT_RX_PARITY_ERR	BIT(5)
+#define AR933X_UART_INT_RX_BREAK_ON	BIT(6)
+#define AR933X_UART_INT_RX_BREAK_OFF	BIT(7)
+#define AR933X_UART_INT_RX_FULL		BIT(8)
+#define AR933X_UART_INT_TX_EMPTY	BIT(9)
+#define AR933X_UART_INT_ALLINTS		0x3ff
+
+#endif /* __AR933X_UART_H */

linux-7.2.3/arch/mips/include/asm/mach-ath79/ath79.h

@@ -0,0 +1,178 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  Atheros AR71XX/AR724X/AR913X common definitions
+ *
+ *  Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  Parts of this file are based on Atheros' 2.6.15 BSP
+ */
+
+#ifndef __ASM_MACH_ATH79_H
+#define __ASM_MACH_ATH79_H
+
+#include <linux/types.h>
+#include <linux/io.h>
+
+enum ath79_soc_type {
+	ATH79_SOC_UNKNOWN,
+	ATH79_SOC_AR7130,
+	ATH79_SOC_AR7141,
+	ATH79_SOC_AR7161,
+	ATH79_SOC_AR7240,
+	ATH79_SOC_AR7241,
+	ATH79_SOC_AR7242,
+	ATH79_SOC_AR9130,
+	ATH79_SOC_AR9132,
+	ATH79_SOC_AR9330,
+	ATH79_SOC_AR9331,
+	ATH79_SOC_AR9341,
+	ATH79_SOC_AR9342,
+	ATH79_SOC_AR9344,
+	ATH79_SOC_QCA9533,
+	ATH79_SOC_QCA9556,
+	ATH79_SOC_QCA9558,
+	ATH79_SOC_TP9343,
+	ATH79_SOC_QCA956X,
+};
+
+extern enum ath79_soc_type ath79_soc;
+extern unsigned int ath79_soc_rev;
+
+static inline int soc_is_ar71xx(void)
+{
+	return (ath79_soc == ATH79_SOC_AR7130 ||
+		ath79_soc == ATH79_SOC_AR7141 ||
+		ath79_soc == ATH79_SOC_AR7161);
+}
+
+static inline int soc_is_ar724x(void)
+{
+	return (ath79_soc == ATH79_SOC_AR7240 ||
+		ath79_soc == ATH79_SOC_AR7241 ||
+		ath79_soc == ATH79_SOC_AR7242);
+}
+
+static inline int soc_is_ar7240(void)
+{
+	return (ath79_soc == ATH79_SOC_AR7240);
+}
+
+static inline int soc_is_ar7241(void)
+{
+	return (ath79_soc == ATH79_SOC_AR7241);
+}
+
+static inline int soc_is_ar7242(void)
+{
+	return (ath79_soc == ATH79_SOC_AR7242);
+}
+
+static inline int soc_is_ar913x(void)
+{
+	return (ath79_soc == ATH79_SOC_AR9130 ||
+		ath79_soc == ATH79_SOC_AR9132);
+}
+
+static inline int soc_is_ar933x(void)
+{
+	return (ath79_soc == ATH79_SOC_AR9330 ||
+		ath79_soc == ATH79_SOC_AR9331);
+}
+
+static inline int soc_is_ar9341(void)
+{
+	return (ath79_soc == ATH79_SOC_AR9341);
+}
+
+static inline int soc_is_ar9342(void)
+{
+	return (ath79_soc == ATH79_SOC_AR9342);
+}
+
+static inline int soc_is_ar9344(void)
+{
+	return (ath79_soc == ATH79_SOC_AR9344);
+}
+
+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;
+}
+
+static inline int soc_is_qca9558(void)
+{
+	return ath79_soc == ATH79_SOC_QCA9558;
+}
+
+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);
+
+extern void __iomem *ath79_pll_base;
+extern void __iomem *ath79_reset_base;
+
+static inline void ath79_pll_wr(unsigned reg, u32 val)
+{
+	__raw_writel(val, ath79_pll_base + reg);
+}
+
+static inline u32 ath79_pll_rr(unsigned reg)
+{
+	return __raw_readl(ath79_pll_base + reg);
+}
+
+static inline void ath79_reset_wr(unsigned reg, u32 val)
+{
+	__raw_writel(val, ath79_reset_base + reg);
+	(void) __raw_readl(ath79_reset_base + reg); /* flush */
+}
+
+static inline u32 ath79_reset_rr(unsigned reg)
+{
+	return __raw_readl(ath79_reset_base + reg);
+}
+
+void ath79_device_reset_set(u32 mask);
+void ath79_device_reset_clear(u32 mask);
+
+#endif /* __ASM_MACH_ATH79_H */

linux-7.2.3/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h

@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  Atheros AR71XX/AR724X/AR913X specific CPU feature overrides
+ *
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  This file was derived from: include/asm-mips/cpu-features.h
+ *	Copyright (C) 2003, 2004 Ralf Baechle
+ *	Copyright (C) 2004 Maciej W. Rozycki
+ */
+#ifndef __ASM_MACH_ATH79_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_ATH79_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb		1
+#define cpu_has_4kex		1
+#define cpu_has_3k_cache	0
+#define cpu_has_4k_cache	1
+#define cpu_has_sb1_cache	0
+#define cpu_has_fpu		0
+#define cpu_has_32fpr		0
+#define cpu_has_counter		1
+#define cpu_has_watch		1
+#define cpu_has_divec		1
+
+#define cpu_has_prefetch	1
+#define cpu_has_ejtag		1
+#define cpu_has_llsc		1
+
+#define cpu_has_mips16		1
+#define cpu_has_mdmx		0
+#define cpu_has_mips3d		0
+#define cpu_has_smartmips	0
+#define cpu_has_rixi		0
+
+#define cpu_has_mips32r1	1
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#define cpu_has_mipsmt		0
+#define cpu_has_userlocal	0
+
+#define cpu_has_64bits		0
+#define cpu_has_64bit_zero_reg	0
+#define cpu_has_64bit_gp_regs	0
+
+#define cpu_dcache_line_size()	32
+#define cpu_icache_line_size()	32
+#define cpu_has_vtag_icache	0
+#define cpu_has_dc_aliases	1
+#define cpu_has_ic_fills_f_dc	0
+#define cpu_has_pindexed_dcache	0
+
+#endif /* __ASM_MACH_ATH79_CPU_FEATURE_OVERRIDES_H */

linux-7.2.3/arch/mips/include/asm/mach-ath79/irq.h

@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ */
+#ifndef __ASM_MACH_ATH79_IRQ_H
+#define __ASM_MACH_ATH79_IRQ_H
+
+#define MIPS_CPU_IRQ_BASE	0
+#define NR_IRQS			51
+
+#define ATH79_CPU_IRQ(_x)	(MIPS_CPU_IRQ_BASE + (_x))
+
+#define ATH79_MISC_IRQ_BASE	8
+#define ATH79_MISC_IRQ_COUNT	32
+#define ATH79_MISC_IRQ(_x)	(ATH79_MISC_IRQ_BASE + (_x))
+
+#define ATH79_PCI_IRQ_BASE	(ATH79_MISC_IRQ_BASE + ATH79_MISC_IRQ_COUNT)
+#define ATH79_PCI_IRQ_COUNT	6
+#define ATH79_PCI_IRQ(_x)	(ATH79_PCI_IRQ_BASE + (_x))
+
+#define ATH79_IP2_IRQ_BASE	(ATH79_PCI_IRQ_BASE + ATH79_PCI_IRQ_COUNT)
+#define ATH79_IP2_IRQ_COUNT	2
+#define ATH79_IP2_IRQ(_x)	(ATH79_IP2_IRQ_BASE + (_x))
+
+#define ATH79_IP3_IRQ_BASE	(ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT)
+#define ATH79_IP3_IRQ_COUNT     3
+#define ATH79_IP3_IRQ(_x)       (ATH79_IP3_IRQ_BASE + (_x))
+
+#include <asm/mach-generic/irq.h>
+
+#endif /* __ASM_MACH_ATH79_IRQ_H */

linux-7.2.3/arch/mips/include/asm/mach-ath79/kernel-entry-init.h

@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  Atheros AR71XX/AR724X/AR913X specific kernel entry setup
+ *
+ *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ */
+#ifndef __ASM_MACH_ATH79_KERNEL_ENTRY_H
+#define __ASM_MACH_ATH79_KERNEL_ENTRY_H
+
+	/*
+	 * Some bootloaders set the 'Kseg0 coherency algorithm' to
+	 * 'Cacheable, noncoherent, write-through, no write allocate'
+	 * and this cause performance issues. Let's go and change it to
+	 * 'Cacheable, noncoherent, write-back, write allocate'
+	 */
+	.macro	kernel_entry_setup
+	mfc0	t0, CP0_CONFIG
+	li	t1, ~CONF_CM_CMASK
+	and	t0, t1
+	ori	t0, CONF_CM_CACHABLE_NONCOHERENT
+	mtc0	t0, CP0_CONFIG
+	nop
+	.endm
+
+	.macro	smp_slave_setup
+	.endm
+
+#endif /* __ASM_MACH_ATH79_KERNEL_ENTRY_H */

linux-7.2.3/arch/mips/include/asm/mach-ath79/kmalloc.h

@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MACH_ATH79_KMALLOC_H
+#define __ASM_MACH_ATH79_KMALLOC_H
+
+#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
+
+#endif /* __ASM_MACH_ATH79_KMALLOC_H */