X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Farm%2Finclude%2Fasm%2Farch-omap5%2Fsys_proto.h;fp=qemu%2Froms%2Fu-boot%2Farch%2Farm%2Finclude%2Fasm%2Farch-omap5%2Fsys_proto.h;h=bf12c7337247e9e969a826d1c1da34fd27f99e64;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/arch/arm/include/asm/arch-omap5/sys_proto.h b/qemu/roms/u-boot/arch/arm/include/asm/arch-omap5/sys_proto.h new file mode 100644 index 000000000..bf12c7337 --- /dev/null +++ b/qemu/roms/u-boot/arch/arm/include/asm/arch-omap5/sys_proto.h @@ -0,0 +1,117 @@ +/* + * (C) Copyright 2010 + * Texas Instruments, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _SYS_PROTO_H_ +#define _SYS_PROTO_H_ + +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +struct pad_conf_entry { + u32 offset; + u32 val; +}; + +struct omap_sysinfo { + char *board_string; +}; +extern const struct omap_sysinfo sysinfo; + +void gpmc_init(void); +void watchdog_init(void); +u32 get_device_type(void); +void do_set_mux(u32 base, struct pad_conf_entry const *array, int size); +void set_muxconf_regs_essential(void); +u32 wait_on_value(u32, u32, void *, u32); +void sdelay(unsigned long); +void setup_clocks_for_console(void); +void prcm_init(void); +void bypass_dpll(u32 const base); +void freq_update_core(void); +u32 get_sys_clk_freq(void); +u32 omap5_ddr_clk(void); +void cancel_out(u32 *num, u32 *den, u32 den_limit); +void sdram_init(void); +u32 omap_sdram_size(void); +u32 cortex_rev(void); +void save_omap_boot_params(void); +void init_omap_revision(void); +void do_io_settings(void); +void sri2c_init(void); +void gpi2c_init(void); +int omap_vc_bypass_send_value(u8 sa, u8 reg_addr, u8 reg_data); +u32 warm_reset(void); +void force_emif_self_refresh(void); +void get_ioregs(const struct ctrl_ioregs **regs); +void srcomp_enable(void); +void setup_warmreset_time(void); + +static inline u32 running_from_sdram(void) +{ + u32 pc; + asm volatile ("mov %0, pc" : "=r" (pc)); + return ((pc >= OMAP54XX_DRAM_ADDR_SPACE_START) && + (pc < OMAP54XX_DRAM_ADDR_SPACE_END)); +} + +static inline u8 uboot_loaded_by_spl(void) +{ + /* + * u-boot can be running from sdram either because of configuration + * Header or by SPL. If because of CH, then the romcode sets the + * CHSETTINGS executed bit to true in the boot parameter structure that + * it passes to the bootloader.This parameter is stored in the ch_flags + * variable by both SPL and u-boot.Check out for CHSETTINGS, which is a + * mandatory section if CH is present. + */ + if ((gd->arch.omap_boot_params.ch_flags) & (CH_FLAGS_CHSETTINGS)) + return 0; + else + return running_from_sdram(); +} +/* + * The basic hardware init of OMAP(s_init()) can happen in 4 + * different contexts: + * 1. SPL running from SRAM + * 2. U-Boot running from FLASH + * 3. Non-XIP U-Boot loaded to SDRAM by SPL + * 4. Non-XIP U-Boot loaded to SDRAM by ROM code using the + * Configuration Header feature + * + * This function finds this context. + * Defining as inline may help in compiling out unused functions in SPL + */ +static inline u32 omap_hw_init_context(void) +{ +#ifdef CONFIG_SPL_BUILD + return OMAP_INIT_CONTEXT_SPL; +#else + if (uboot_loaded_by_spl()) + return OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL; + else if (running_from_sdram()) + return OMAP_INIT_CONTEXT_UBOOT_AFTER_CH; + else + return OMAP_INIT_CONTEXT_UBOOT_FROM_NOR; +#endif +} + +static inline u32 div_round_up(u32 num, u32 den) +{ + return (num + den - 1)/den; +} + +static inline u32 usec_to_32k(u32 usec) +{ + return div_round_up(32768 * usec, 1000000); +} +#endif