+// SPDX-License-Identifier: GPL-2.0+
/*
* emif4.c
*
* AM33XX emif4 configuration file
*
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/emif.h>
-DECLARE_GLOBAL_DATA_PTR;
-
-int dram_init(void)
-{
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- sdram_init();
-#endif
-
- /* dram_init must store complete ramsize in gd->ram_size */
- gd->ram_size = get_ram_size(
- (void *)CONFIG_SYS_SDRAM_BASE,
- CONFIG_MAX_RAM_BANK_SIZE);
- return 0;
-}
-
-void dram_init_banksize(void)
-{
- gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- gd->bd->bi_dram[0].size = gd->ram_size;
-}
-
-
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-#ifdef CONFIG_TI81XX
-static struct dmm_lisa_map_regs *hw_lisa_map_regs =
- (struct dmm_lisa_map_regs *)DMM_BASE;
-#endif
-#ifndef CONFIG_TI816X
static struct vtp_reg *vtpreg[2] = {
(struct vtp_reg *)VTP0_CTRL_ADDR,
(struct vtp_reg *)VTP1_CTRL_ADDR};
-#endif
#ifdef CONFIG_AM33XX
static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
#endif
(struct cm_device_inst *)CM_DEVICE_INST;
#endif
-#ifdef CONFIG_TI81XX
+#ifdef CONFIG_TI814X
void config_dmm(const struct dmm_lisa_map_regs *regs)
{
+ struct dmm_lisa_map_regs *hw_lisa_map_regs =
+ (struct dmm_lisa_map_regs *)DMM_BASE;
+
enable_dmm_clocks();
writel(0, &hw_lisa_map_regs->dmm_lisa_map_3);
}
#endif
-#ifndef CONFIG_TI816X
static void config_vtp(int nr)
{
writel(readl(&vtpreg[nr]->vtp0ctrlreg) | VTP_CTRL_ENABLE,
VTP_CTRL_READY)
;
}
-#endif
void __weak ddr_pll_config(unsigned int ddrpll_m)
{
const struct emif_regs *regs, int nr)
{
ddr_pll_config(pll);
-#ifndef CONFIG_TI816X
config_vtp(nr);
-#endif
config_cmd_ctrl(ctrl, nr);
config_ddr_data(data, nr);
writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl);
if (emif_sdram_type(regs->sdram_config) == EMIF_SDRAM_TYPE_DDR3)
+#ifndef CONFIG_SPL_RTC_DDR_SUPPORT
/* Allow EMIF to control DDR_RESET */
writel(0x00000000, &ddrctrl->ddrioctrl);
+#else
+ /* Override EMIF DDR_RESET control */
+ writel(0x80000000, &ddrctrl->ddrioctrl);
+#endif /* CONFIG_SPL_RTC_DDR_SUPPORT */
#endif
/* Program EMIF instance */
else
config_sdram(regs, nr);
}
-#endif