* Aneesh V <aneesh@ti.com>
* Steve Sakoman <steve@sakoman.com>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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+
*/
#include <common.h>
+#include <spl.h>
#include <asm/arch/sys_proto.h>
#include <asm/sizes.h>
#include <asm/emif.h>
#include <asm/omap_common.h>
+#include <linux/compiler.h>
+#include <asm/cache.h>
+#include <asm/system.h>
+
+#define ARMV7_DCACHE_WRITEBACK 0xe
+#define ARMV7_DOMAIN_CLIENT 1
+#define ARMV7_DOMAIN_MASK (0x3 << 0)
DECLARE_GLOBAL_DATA_PTR;
set_muxconf_regs_essential();
break;
case OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL:
-#ifdef CONFIG_SYS_ENABLE_PADS_ALL
- set_muxconf_regs_non_essential();
-#endif
break;
case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
set_muxconf_regs_essential();
-#ifdef CONFIG_SYS_ENABLE_PADS_ALL
- set_muxconf_regs_non_essential();
-#endif
break;
}
}
return rev;
}
-void omap_rev_string(void)
+static void omap_rev_string(void)
{
u32 omap_rev = omap_revision();
+ u32 soc_variant = (omap_rev & 0xF0000000) >> 28;
u32 omap_variant = (omap_rev & 0xFFFF0000) >> 16;
u32 major_rev = (omap_rev & 0x00000F00) >> 8;
u32 minor_rev = (omap_rev & 0x000000F0) >> 4;
- printf("OMAP%x ES%x.%x\n", omap_variant, major_rev,
- minor_rev);
+ if (soc_variant)
+ printf("OMAP");
+ else
+ printf("DRA");
+ printf("%x ES%x.%x\n", omap_variant, major_rev,
+ minor_rev);
}
#ifdef CONFIG_SPL_BUILD
-static void init_boot_params(void)
+void spl_display_print(void)
{
- boot_params_ptr = (u32 *) &boot_params;
+ omap_rev_string();
}
#endif
+void __weak srcomp_enable(void)
+{
+}
+
+#ifdef CONFIG_ARCH_CPU_INIT
+/*
+ * SOC specific cpu init
+ */
+int arch_cpu_init(void)
+{
+ save_omap_boot_params();
+ return 0;
+}
+#endif /* CONFIG_ARCH_CPU_INIT */
+
/*
* Routine: s_init
* Description: Does early system init of watchdog, muxing, andclocks
*/
void s_init(void)
{
+ /*
+ * Save the boot parameters passed from romcode.
+ * We cannot delay the saving further than this,
+ * to prevent overwrites.
+ */
+#ifdef CONFIG_SPL_BUILD
+ save_omap_boot_params();
+#endif
init_omap_revision();
+ hw_data_init();
+
#ifdef CONFIG_SPL_BUILD
if (warm_reset() && (omap_revision() <= OMAP5430_ES1_0))
force_emif_self_refresh();
watchdog_init();
set_mux_conf_regs();
#ifdef CONFIG_SPL_BUILD
+ srcomp_enable();
setup_clocks_for_console();
+
+ gd = &gdata;
+
preloader_console_init();
do_io_settings();
#endif
prcm_init();
#ifdef CONFIG_SPL_BUILD
- timer_init();
-
/* For regular u-boot sdram_init() is called from dram_init() */
sdram_init();
- init_boot_params();
#endif
}
*/
u32 get_device_type(void)
{
- struct omap_sys_ctrl_regs *ctrl =
- (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE;
-
- return (readl(&ctrl->control_status) &
+ return (readl((*ctrl)->control_status) &
(DEVICE_TYPE_MASK)) >> DEVICE_TYPE_SHIFT;
}
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
}
+
+void dram_bank_mmu_setup(int bank)
+{
+ bd_t *bd = gd->bd;
+ int i;
+
+ u32 start = bd->bi_dram[bank].start >> 20;
+ u32 size = bd->bi_dram[bank].size >> 20;
+ u32 end = start + size;
+
+ debug("%s: bank: %d\n", __func__, bank);
+ for (i = start; i < end; i++)
+ set_section_dcache(i, ARMV7_DCACHE_WRITEBACK);
+
+}
+
+void arm_init_domains(void)
+{
+ u32 reg;
+
+ reg = get_dacr();
+ /*
+ * Set DOMAIN to client access so that all permissions
+ * set in pagetables are validated by the mmu.
+ */
+ reg &= ~ARMV7_DOMAIN_MASK;
+ reg |= ARMV7_DOMAIN_CLIENT;
+ set_dacr(reg);
+}
#endif