Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 266 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-loongson64/loongson.h b/arch/mips/include/asm/mach-loongson64/loongson.h
new file mode 100644
index 000000000..f7c3ab6d7
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson64/loongson.h
@@ -0,0 +1,266 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2009 Lemote, Inc.
+ * Author: Wu Zhangjin <wuzhangjin@gmail.com>
+ */
+
+#ifndef __ASM_MACH_LOONGSON64_LOONGSON_H
+#define __ASM_MACH_LOONGSON64_LOONGSON_H
+
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <boot_param.h>
+
+enum loongson_fw_interface {
+	LOONGSON_LEFI,
+	LOONGSON_DTB,
+};
+
+/* machine-specific boot configuration */
+struct loongson_system_configuration {
+	enum loongson_fw_interface fw_interface;
+	u32 nr_cpus;
+	u32 nr_nodes;
+	int cores_per_node;
+	int cores_per_package;
+	u16 boot_cpu_id;
+	u16 reserved_cpus_mask;
+	enum loongson_cpu_type cputype;
+	enum loongson_bridge_type bridgetype;
+	u64 restart_addr;
+	u64 poweroff_addr;
+	u64 suspend_addr;
+	u64 vgabios_addr;
+	u32 dma_mask_bits;
+	u64 workarounds;
+	void (*early_config)(void);
+};
+
+/* machine-specific reboot/halt operation */
+extern void mach_prepare_reboot(void);
+extern void mach_prepare_shutdown(void);
+
+/* environment arguments from bootloader */
+extern u32 cpu_clock_freq;
+extern u32 memsize, highmemsize;
+extern const struct plat_smp_ops loongson3_smp_ops;
+
+/* loongson-specific command line, env and memory initialization */
+extern void __init prom_dtb_init_env(void);
+extern void __init prom_lefi_init_env(void);
+extern void __init szmem(unsigned int node);
+extern void *loongson_fdt_blob;
+
+/* irq operation functions */
+extern void mach_irq_dispatch(unsigned int pending);
+extern int mach_i8259_irq(void);
+
+/* We need this in some places... */
+#define delay() ({		\
+	int x;				\
+	for (x = 0; x < 100000; x++)	\
+		__asm__ __volatile__(""); \
+})
+
+#define LOONGSON_REG(x) \
+	(*(volatile u32 *)((char *)CKSEG1ADDR(LOONGSON_REG_BASE) + (x)))
+
+#define LOONGSON3_REG8(base, x) \
+	(*(volatile u8 *)((char *)TO_UNCAC(base) + (x)))
+
+#define LOONGSON3_REG32(base, x) \
+	(*(volatile u32 *)((char *)TO_UNCAC(base) + (x)))
+
+#define LOONGSON_FLASH_BASE	0x1c000000
+#define LOONGSON_FLASH_SIZE	0x02000000	/* 32M */
+#define LOONGSON_FLASH_TOP	(LOONGSON_FLASH_BASE+LOONGSON_FLASH_SIZE-1)
+
+#define LOONGSON_LIO0_BASE	0x1e000000
+#define LOONGSON_LIO0_SIZE	0x01C00000	/* 28M */
+#define LOONGSON_LIO0_TOP	(LOONGSON_LIO0_BASE+LOONGSON_LIO0_SIZE-1)
+
+#define LOONGSON_BOOT_BASE	0x1fc00000
+#define LOONGSON_BOOT_SIZE	0x00100000	/* 1M */
+#define LOONGSON_BOOT_TOP	(LOONGSON_BOOT_BASE+LOONGSON_BOOT_SIZE-1)
+#define LOONGSON_REG_BASE	0x1fe00000
+#define LOONGSON_REG_SIZE	0x00100000	/* 256Bytes + 256Bytes + ??? */
+#define LOONGSON_REG_TOP	(LOONGSON_REG_BASE+LOONGSON_REG_SIZE-1)
+/* Loongson-3 specific registers */
+#define LOONGSON3_REG_BASE	0x3ff00000
+#define LOONGSON3_REG_SIZE	0x00100000	/* 256Bytes + 256Bytes + ??? */
+#define LOONGSON3_REG_TOP	(LOONGSON3_REG_BASE+LOONGSON3_REG_SIZE-1)
+
+#define LOONGSON_LIO1_BASE	0x1ff00000
+#define LOONGSON_LIO1_SIZE	0x00100000	/* 1M */
+#define LOONGSON_LIO1_TOP	(LOONGSON_LIO1_BASE+LOONGSON_LIO1_SIZE-1)
+
+#define LOONGSON_PCILO0_BASE	0x10000000
+#define LOONGSON_PCILO1_BASE	0x14000000
+#define LOONGSON_PCILO2_BASE	0x18000000
+#define LOONGSON_PCILO_BASE	LOONGSON_PCILO0_BASE
+#define LOONGSON_PCILO_SIZE	0x0c000000	/* 64M * 3 */
+#define LOONGSON_PCILO_TOP	(LOONGSON_PCILO0_BASE+LOONGSON_PCILO_SIZE-1)
+
+#define LOONGSON_PCICFG_BASE	0x1fe80000
+#define LOONGSON_PCICFG_SIZE	0x00000800	/* 2K */
+#define LOONGSON_PCICFG_TOP	(LOONGSON_PCICFG_BASE+LOONGSON_PCICFG_SIZE-1)
+
+#define LOONGSON_PCIIO_BASE	loongson_sysconf.pci_io_base
+
+#define LOONGSON_PCIIO_SIZE	0x00100000	/* 1M */
+#define LOONGSON_PCIIO_TOP	(LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1)
+
+/* Loongson Register Bases */
+
+#define LOONGSON_PCICONFIGBASE	0x00
+#define LOONGSON_REGBASE	0x100
+
+/* PCI Configuration Registers */
+
+#define LOONGSON_PCI_REG(x)	LOONGSON_REG(LOONGSON_PCICONFIGBASE + (x))
+#define LOONGSON_PCIDID		LOONGSON_PCI_REG(0x00)
+#define LOONGSON_PCICMD		LOONGSON_PCI_REG(0x04)
+#define LOONGSON_PCICLASS	LOONGSON_PCI_REG(0x08)
+#define LOONGSON_PCILTIMER	LOONGSON_PCI_REG(0x0c)
+#define LOONGSON_PCIBASE0	LOONGSON_PCI_REG(0x10)
+#define LOONGSON_PCIBASE1	LOONGSON_PCI_REG(0x14)
+#define LOONGSON_PCIBASE2	LOONGSON_PCI_REG(0x18)
+#define LOONGSON_PCIBASE3	LOONGSON_PCI_REG(0x1c)
+#define LOONGSON_PCIBASE4	LOONGSON_PCI_REG(0x20)
+#define LOONGSON_PCIEXPRBASE	LOONGSON_PCI_REG(0x30)
+#define LOONGSON_PCIINT		LOONGSON_PCI_REG(0x3c)
+
+#define LOONGSON_PCI_ISR4C	LOONGSON_PCI_REG(0x4c)
+
+#define LOONGSON_PCICMD_PERR_CLR	0x80000000
+#define LOONGSON_PCICMD_SERR_CLR	0x40000000
+#define LOONGSON_PCICMD_MABORT_CLR	0x20000000
+#define LOONGSON_PCICMD_MTABORT_CLR	0x10000000
+#define LOONGSON_PCICMD_TABORT_CLR	0x08000000
+#define LOONGSON_PCICMD_MPERR_CLR	0x01000000
+#define LOONGSON_PCICMD_PERRRESPEN	0x00000040
+#define LOONGSON_PCICMD_ASTEPEN		0x00000080
+#define LOONGSON_PCICMD_SERREN		0x00000100
+#define LOONGSON_PCILTIMER_BUSLATENCY	0x0000ff00
+#define LOONGSON_PCILTIMER_BUSLATENCY_SHIFT	8
+
+/* Loongson h/w Configuration */
+
+#define LOONGSON_GENCFG_OFFSET		0x4
+#define LOONGSON_GENCFG LOONGSON_REG(LOONGSON_REGBASE + LOONGSON_GENCFG_OFFSET)
+
+#define LOONGSON_GENCFG_DEBUGMODE	0x00000001
+#define LOONGSON_GENCFG_SNOOPEN		0x00000002
+#define LOONGSON_GENCFG_CPUSELFRESET	0x00000004
+
+#define LOONGSON_GENCFG_FORCE_IRQA	0x00000008
+#define LOONGSON_GENCFG_IRQA_ISOUT	0x00000010
+#define LOONGSON_GENCFG_IRQA_FROM_INT1	0x00000020
+#define LOONGSON_GENCFG_BYTESWAP	0x00000040
+
+#define LOONGSON_GENCFG_UNCACHED	0x00000080
+#define LOONGSON_GENCFG_PREFETCHEN	0x00000100
+#define LOONGSON_GENCFG_WBEHINDEN	0x00000200
+#define LOONGSON_GENCFG_CACHEALG	0x00000c00
+#define LOONGSON_GENCFG_CACHEALG_SHIFT	10
+#define LOONGSON_GENCFG_PCIQUEUE	0x00001000
+#define LOONGSON_GENCFG_CACHESTOP	0x00002000
+#define LOONGSON_GENCFG_MSTRBYTESWAP	0x00004000
+#define LOONGSON_GENCFG_BUSERREN	0x00008000
+#define LOONGSON_GENCFG_NORETRYTIMEOUT	0x00010000
+#define LOONGSON_GENCFG_SHORTCOPYTIMEOUT	0x00020000
+
+/* PCI address map control */
+
+#define LOONGSON_PCIMAP			LOONGSON_REG(LOONGSON_REGBASE + 0x10)
+#define LOONGSON_PCIMEMBASECFG		LOONGSON_REG(LOONGSON_REGBASE + 0x14)
+#define LOONGSON_PCIMAP_CFG		LOONGSON_REG(LOONGSON_REGBASE + 0x18)
+
+/* GPIO Regs - r/w */
+
+#define LOONGSON_GPIODATA		LOONGSON_REG(LOONGSON_REGBASE + 0x1c)
+#define LOONGSON_GPIOIE			LOONGSON_REG(LOONGSON_REGBASE + 0x20)
+
+/* ICU Configuration Regs - r/w */
+
+#define LOONGSON_INTEDGE		LOONGSON_REG(LOONGSON_REGBASE + 0x24)
+#define LOONGSON_INTSTEER		LOONGSON_REG(LOONGSON_REGBASE + 0x28)
+#define LOONGSON_INTPOL			LOONGSON_REG(LOONGSON_REGBASE + 0x2c)
+
+/* ICU Enable Regs - IntEn & IntISR are r/o. */
+
+#define LOONGSON_INTENSET		LOONGSON_REG(LOONGSON_REGBASE + 0x30)
+#define LOONGSON_INTENCLR		LOONGSON_REG(LOONGSON_REGBASE + 0x34)
+#define LOONGSON_INTEN			LOONGSON_REG(LOONGSON_REGBASE + 0x38)
+#define LOONGSON_INTISR			LOONGSON_REG(LOONGSON_REGBASE + 0x3c)
+
+/* ICU */
+#define LOONGSON_ICU_MBOXES		0x0000000f
+#define LOONGSON_ICU_MBOXES_SHIFT	0
+#define LOONGSON_ICU_DMARDY		0x00000010
+#define LOONGSON_ICU_DMAEMPTY		0x00000020
+#define LOONGSON_ICU_COPYRDY		0x00000040
+#define LOONGSON_ICU_COPYEMPTY		0x00000080
+#define LOONGSON_ICU_COPYERR		0x00000100
+#define LOONGSON_ICU_PCIIRQ		0x00000200
+#define LOONGSON_ICU_MASTERERR		0x00000400
+#define LOONGSON_ICU_SYSTEMERR		0x00000800
+#define LOONGSON_ICU_DRAMPERR		0x00001000
+#define LOONGSON_ICU_RETRYERR		0x00002000
+#define LOONGSON_ICU_GPIOS		0x01ff0000
+#define LOONGSON_ICU_GPIOS_SHIFT		16
+#define LOONGSON_ICU_GPINS		0x7e000000
+#define LOONGSON_ICU_GPINS_SHIFT		25
+#define LOONGSON_ICU_MBOX(N)		(1<<(LOONGSON_ICU_MBOXES_SHIFT+(N)))
+#define LOONGSON_ICU_GPIO(N)		(1<<(LOONGSON_ICU_GPIOS_SHIFT+(N)))
+#define LOONGSON_ICU_GPIN(N)		(1<<(LOONGSON_ICU_GPINS_SHIFT+(N)))
+
+/* PCI prefetch window base & mask */
+
+#define LOONGSON_MEM_WIN_BASE_L		LOONGSON_REG(LOONGSON_REGBASE + 0x40)
+#define LOONGSON_MEM_WIN_BASE_H		LOONGSON_REG(LOONGSON_REGBASE + 0x44)
+#define LOONGSON_MEM_WIN_MASK_L		LOONGSON_REG(LOONGSON_REGBASE + 0x48)
+#define LOONGSON_MEM_WIN_MASK_H		LOONGSON_REG(LOONGSON_REGBASE + 0x4c)
+
+/* PCI_Hit*_Sel_* */
+
+#define LOONGSON_PCI_HIT0_SEL_L		LOONGSON_REG(LOONGSON_REGBASE + 0x50)
+#define LOONGSON_PCI_HIT0_SEL_H		LOONGSON_REG(LOONGSON_REGBASE + 0x54)
+#define LOONGSON_PCI_HIT1_SEL_L		LOONGSON_REG(LOONGSON_REGBASE + 0x58)
+#define LOONGSON_PCI_HIT1_SEL_H		LOONGSON_REG(LOONGSON_REGBASE + 0x5c)
+#define LOONGSON_PCI_HIT2_SEL_L		LOONGSON_REG(LOONGSON_REGBASE + 0x60)
+#define LOONGSON_PCI_HIT2_SEL_H		LOONGSON_REG(LOONGSON_REGBASE + 0x64)
+
+/* PXArb Config & Status */
+
+#define LOONGSON_PXARB_CFG		LOONGSON_REG(LOONGSON_REGBASE + 0x68)
+#define LOONGSON_PXARB_STATUS		LOONGSON_REG(LOONGSON_REGBASE + 0x6c)
+
+#define MAX_PACKAGES 4
+
+/* Chip Config registor of each physical cpu package, PRid >= Loongson-2F */
+extern u64 loongson_chipcfg[MAX_PACKAGES];
+#define LOONGSON_CHIPCFG(id) (*(volatile u32 *)(loongson_chipcfg[id]))
+
+/* Chip Temperature registor of each physical cpu package, PRid >= Loongson-3A */
+extern u64 loongson_chiptemp[MAX_PACKAGES];
+#define LOONGSON_CHIPTEMP(id) (*(volatile u32 *)(loongson_chiptemp[id]))
+
+/* Freq Control register of each physical cpu package, PRid >= Loongson-3B */
+extern u64 loongson_freqctrl[MAX_PACKAGES];
+#define LOONGSON_FREQCTRL(id) (*(volatile u32 *)(loongson_freqctrl[id]))
+
+/* pcimap */
+
+#define LOONGSON_PCIMAP_PCIMAP_LO0	0x0000003f
+#define LOONGSON_PCIMAP_PCIMAP_LO0_SHIFT	0
+#define LOONGSON_PCIMAP_PCIMAP_LO1	0x00000fc0
+#define LOONGSON_PCIMAP_PCIMAP_LO1_SHIFT	6
+#define LOONGSON_PCIMAP_PCIMAP_LO2	0x0003f000
+#define LOONGSON_PCIMAP_PCIMAP_LO2_SHIFT	12
+#define LOONGSON_PCIMAP_PCIMAP_2	0x00040000
+#define LOONGSON_PCIMAP_WIN(WIN, ADDR)	\
+	((((ADDR)>>26) & LOONGSON_PCIMAP_PCIMAP_LO0) << ((WIN)*6))
+
+#endif /* __ASM_MACH_LOONGSON64_LOONGSON_H */