* 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 <linux/sizes.h>
#include <asm/emif.h>
#include <asm/omap_common.h>
+#include <linux/compiler.h>
+#include <asm/cache.h>
+#include <asm/system.h>
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * This is used to verify if the configuration header
- * was executed by rom code prior to control of transfer
- * to the bootloader. SPL is responsible for saving and
- * passing the boot_params pointer to the u-boot.
- */
-struct omap_boot_parameters boot_params __attribute__ ((section(".data")));
-
-#ifdef CONFIG_SPL_BUILD
-/*
- * We use static variables because global data is not ready yet.
- * Initialized data is available in SPL right from the beginning.
- * We would not typically need to save these parameters in regular
- * U-Boot. This is needed only in SPL at the moment.
- */
-u32 omap_bootmode = MMCSD_MODE_FAT;
-
-u32 omap_boot_device(void)
-{
- return (u32) (boot_params.omap_bootdevice);
-}
+#define ARMV7_DCACHE_WRITEBACK 0xe
+#define ARMV7_DOMAIN_CLIENT 1
+#define ARMV7_DOMAIN_MASK (0x3 << 0)
-u32 omap_boot_mode(void)
-{
- return omap_bootmode;
-}
-#endif
+DECLARE_GLOBAL_DATA_PTR;
void do_set_mux(u32 base, struct pad_conf_entry const *array, int size)
{
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(char *omap_rev_string)
+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;
- sprintf(omap_rev_string, "OMAP%x ES%x.%x", 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();
+#endif
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
#ifdef CONFIG_SPL_BUILD
/* For regular u-boot sdram_init() is called from dram_init() */
sdram_init();
- init_boot_params();
#endif
}
*/
u32 omap_sdram_size(void)
{
- u32 section, i, total_size = 0, size, addr;
+ u32 section, i, valid;
+ u64 sdram_start = 0, sdram_end = 0, addr,
+ size, total_size = 0, trap_size = 0;
for (i = 0; i < 4; i++) {
section = __raw_readl(DMM_BASE + i*4);
+ valid = (section & EMIF_SDRC_ADDRSPC_MASK) >>
+ (EMIF_SDRC_ADDRSPC_SHIFT);
addr = section & EMIF_SYS_ADDR_MASK;
+
/* See if the address is valid */
- if ((addr >= DRAM_ADDR_SPACE_START) &&
- (addr < DRAM_ADDR_SPACE_END)) {
+ if ((addr >= TI_ARMV7_DRAM_ADDR_SPACE_START) &&
+ (addr < TI_ARMV7_DRAM_ADDR_SPACE_END)) {
size = ((section & EMIF_SYS_SIZE_MASK) >>
EMIF_SYS_SIZE_SHIFT);
size = 1 << size;
size *= SZ_16M;
- total_size += size;
+
+ if (valid != DMM_SDRC_ADDR_SPC_INVALID) {
+ if (!sdram_start || (addr < sdram_start))
+ sdram_start = addr;
+ if (!sdram_end || ((addr + size) > sdram_end))
+ sdram_end = addr + size;
+ } else {
+ trap_size = size;
+ }
+
}
+
}
+ total_size = (sdram_end - sdram_start) - (trap_size);
return total_size;
}
return 0;
}
-/*
-* This function is called by start_armboot. You can reliably use static
-* data. Any boot-time function that require static data should be
-* called from here
-*/
-int arch_cpu_init(void)
-{
- return 0;
-}
-
/*
* get_device_type(): tell if GP/HS/EMU/TST
*/
u32 get_device_type(void)
{
- return 0;
+ return (readl((*ctrl)->control_status) &
+ (DEVICE_TYPE_MASK)) >> DEVICE_TYPE_SHIFT;
}
+#if defined(CONFIG_DISPLAY_CPUINFO)
/*
* Print CPU information
*/
int print_cpuinfo(void)
{
- char rev_string_buffer[50];
-
- omap_rev_string(rev_string_buffer);
- printf("CPU : %s\n", rev_string_buffer);
+ puts("CPU : ");
+ omap_rev_string();
return 0;
}
+#endif
+
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
/* 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
projects / karo-tx-uboot.git / blobdiff