* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _SYS_PROTO_H_
#define _SYS_PROTO_H_
-#include <asm/arch/omap4.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/clock.h>
#include <asm/io.h>
#include <asm/omap_common.h>
#include <asm/arch/mux_omap4.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+extern const struct emif_regs emif_regs_elpida_200_mhz_2cs;
+extern const struct emif_regs emif_regs_elpida_380_mhz_1cs;
+extern const struct emif_regs emif_regs_elpida_400_mhz_1cs;
+extern const struct emif_regs emif_regs_elpida_400_mhz_2cs;
struct omap_sysinfo {
char *board_string;
};
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_non_essential(void);
+void set_muxconf_regs_essential(void);
void sr32(void *, u32, u32, u32);
u32 wait_on_value(u32, u32, void *, u32);
void sdelay(unsigned long);
void set_pl310_ctrl_reg(u32 val);
+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 omap4_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 setup_warmreset_time(void);
static inline u32 running_from_sdram(void)
{
static inline u8 uboot_loaded_by_spl(void)
{
/*
- * Configuration Header is not supported yet, so u-boot init running
- * from SDRAM implies that it was loaded by SPL. When this situation
- * changes one of these approaches could be taken:
- * i. Pass a magic from SPL to U-Boot and U-Boot save it at a known
- * location.
- * ii. Check the OPP. CH can support only 50% OPP while SPL initializes
- * the DPLLs at 100% OPP.
+ * 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.
*/
- return running_from_sdram();
+ 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
* This function finds this context.
* Defining as inline may help in compiling out unused functions in SPL
*/
-static inline u32 omap4_hw_init_context(void)
+static inline u32 omap_hw_init_context(void)
{
#ifdef CONFIG_SPL_BUILD
return OMAP_INIT_CONTEXT_SPL;