1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * 4 * Copyright (C) 2010 John Crispin <john@phrozen.org> 5 */ 6 7 #ifndef _LTQ_FALCON_H__ 8 #define _LTQ_FALCON_H__ 9 10 #ifdef CONFIG_SOC_FALCON 11 12 #include <linux/pinctrl/pinctrl.h> 13 #include <lantiq.h> 14 15 /* Chip IDs */ 16 #define SOC_ID_FALCON 0x01B8 17 18 /* SoC Types */ 19 #define SOC_TYPE_FALCON 0x01 20 21 /* 22 * during early_printk no ioremap possible at this early stage 23 * let's use KSEG1 instead 24 */ 25 #define LTQ_ASC0_BASE_ADDR 0x1E100C00 26 #define LTQ_EARLY_ASC KSEG1ADDR(LTQ_ASC0_BASE_ADDR) 27 28 /* WDT */ 29 #define LTQ_RST_CAUSE_WDTRST 0x0002 30 31 /* CHIP ID */ 32 #define LTQ_STATUS_BASE_ADDR 0x1E802000 33 34 #define FALCON_CHIPID ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x0c)) 35 #define FALCON_CHIPTYPE ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x38)) 36 #define FALCON_CHIPCONF ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x40)) 37 38 /* SYSCTL - start/stop/restart/configure/... different parts of the Soc */ 39 #define SYSCTL_SYS1 0 40 #define SYSCTL_SYSETH 1 41 #define SYSCTL_SYSGPE 2 42 43 /* BOOT_SEL - find what boot media we have */ 44 #define BS_FLASH 0x1 45 #define BS_SPI 0x4 46 47 /* global register ranges */ 48 extern __iomem void *ltq_ebu_membase; 49 extern __iomem void *ltq_sys1_membase; 50 #define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) 51 #define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) 52 53 #define ltq_sys1_w32(x, y) ltq_w32((x), ltq_sys1_membase + (y)) 54 #define ltq_sys1_r32(x) ltq_r32(ltq_sys1_membase + (x)) 55 #define ltq_sys1_w32_mask(clear, set, reg) \ 56 ltq_sys1_w32((ltq_sys1_r32(reg) & ~(clear)) | (set), reg) 57 58 /* allow the gpio and pinctrl drivers to talk to eachother */ 59 extern int pinctrl_falcon_get_range_size(int id); 60 extern void pinctrl_falcon_add_gpio_range(struct pinctrl_gpio_range *range); 61 62 /* 63 * to keep the irq code generic we need to define this to 0 as falcon 64 * has no EIU/EBU 65 */ 66 #define LTQ_EBU_PCC_ISTAT 0 67 68 #endif /* CONFIG_SOC_FALCON */ 69 #endif /* _LTQ_XWAY_H__ */ 70