* Syed Mohammed Khasim <khasim@ti.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 <dm.h>
+#include <spl.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mem.h>
#include <asm/cache.h>
#include <asm/armv7.h>
-#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
#include <asm/omap_common.h>
+#include <asm/arch/mmc_host_def.h>
#include <i2c.h>
#include <linux/compiler.h>
+DECLARE_GLOBAL_DATA_PTR;
+
/* Declarations */
extern omap3_sysinfo sysinfo;
static void omap3_setup_aux_cr(void);
+#ifndef CONFIG_SYS_L2CACHE_OFF
static void omap3_invalidate_l2_cache_secure(void);
+#endif
+
+#ifdef CONFIG_DM_GPIO
+static const struct omap_gpio_platdata omap34xx_gpio[] = {
+ { 0, OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { 1, OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { 2, OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { 3, OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { 4, OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { 5, OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+U_BOOT_DEVICES(am33xx_gpios) = {
+ { "gpio_omap", &omap34xx_gpio[0] },
+ { "gpio_omap", &omap34xx_gpio[1] },
+ { "gpio_omap", &omap34xx_gpio[2] },
+ { "gpio_omap", &omap34xx_gpio[3] },
+ { "gpio_omap", &omap34xx_gpio[4] },
+ { "gpio_omap", &omap34xx_gpio[5] },
+};
+
+#else
static const struct gpio_bank gpio_bank_34xx[6] = {
{ (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
+#endif
+
#ifdef CONFIG_SPL_BUILD
/*
* We use static variables because global data is not ready yet.
case BOOT_DEVICE_MMC1:
return MMCSD_MODE_FAT;
break;
- case BOOT_DEVICE_NAND:
- return NAND_MODE_HW_ECC;
- break;
default:
puts("spl: ERROR: unknown device - can't select boot mode\n");
hang();
return omap3_boot_device;
}
+int board_mmc_init(bd_t *bis)
+{
+ switch (spl_boot_device()) {
+ case BOOT_DEVICE_MMC1:
+ omap_mmc_init(0, 0, 0, -1, -1);
+ break;
+ case BOOT_DEVICE_MMC2:
+ case BOOT_DEVICE_MMC2_2:
+ omap_mmc_init(1, 0, 0, -1, -1);
+ break;
+ }
+ return 0;
+}
+
void spl_board_init(void)
{
+#if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT)
+ gpmc_init();
+#endif
#ifdef CONFIG_SPL_I2C_SUPPORT
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
#endif
}
#endif /* CONFIG_SPL_BUILD */
* configure secure registers and exit secure world
* general use.
*****************************************************************************/
-void secureworld_exit()
+void secureworld_exit(void)
{
unsigned long i;
* Description: If chip is GP/EMU(special) type, unlock the SRAM for
* general use.
*****************************************************************************/
-void try_unlock_memory()
+void try_unlock_memory(void)
{
int mode;
int in_sdram = is_running_in_sdram();
#endif
#ifdef CONFIG_SPL_BUILD
+ gd = &gdata;
+
preloader_console_init();
timer_init();
* should not be running and does not generate a PRCM reset.
*/
- sr32(&prcm_base->fclken_wkup, 5, 1, 1);
- sr32(&prcm_base->iclken_wkup, 5, 1, 1);
+ setbits_le32(&prcm_base->fclken_wkup, 0x20);
+ setbits_le32(&prcm_base->iclken_wkup, 0x20);
wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
writel(WD_UNLOCK1, &wd2_base->wspr);
*****************************************************************************/
static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
- if (argc != 2)
+ if (argc < 2 || argc > 3)
goto usage;
- if (strncmp(argv[1], "hw", 2) == 0)
- omap_nand_switch_ecc(1);
- else if (strncmp(argv[1], "sw", 2) == 0)
- omap_nand_switch_ecc(0);
- else
+
+ if (strncmp(argv[1], "hw", 2) == 0) {
+ if (argc == 2) {
+ omap_nand_switch_ecc(1, 1);
+ } else {
+ if (strncmp(argv[2], "hamming", 7) == 0)
+ omap_nand_switch_ecc(1, 1);
+ else if (strncmp(argv[2], "bch8", 4) == 0)
+ omap_nand_switch_ecc(1, 8);
+ else
+ goto usage;
+ }
+ } else if (strncmp(argv[1], "sw", 2) == 0) {
+ omap_nand_switch_ecc(0, 0);
+ } else {
goto usage;
+ }
return 0;
}
U_BOOT_CMD(
- nandecc, 2, 1, do_switch_ecc,
+ nandecc, 3, 1, do_switch_ecc,
"switch OMAP3 NAND ECC calculation algorithm",
- "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
+ "hw [hamming|bch8] - Switch between NAND hardware 1-bit hamming and"
+ " 8-bit BCH\n"
+ " ecc calculation (second parameter may"
+ " be omitted).\n"
+ "nandecc sw - Switch to NAND software ecc algorithm."
);
#endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */
}
}
-static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits)
-{
- u32 acr;
-
- /* Read ACR */
- asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
- acr &= ~clear_bits;
- acr |= set_bits;
-
- /* Write ACR - affects non-secure banked bits */
- asm volatile ("mcr p15, 0, %0, c1, c0, 1" : : "r" (acr));
-}
-
static void omap3_setup_aux_cr(void)
{
/* Workaround for Cortex-A8 errata: #454179 #430973
}
#ifndef CONFIG_SYS_L2CACHE_OFF
+static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits)
+{
+ u32 acr;
+
+ /* Read ACR */
+ asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
+ acr &= ~clear_bits;
+ acr |= set_bits;
+
+ /* Write ACR - affects non-secure banked bits */
+ asm volatile ("mcr p15, 0, %0, c1, c0, 1" : : "r" (acr));
+}
+
/* Invalidate the entire L2 cache from secure mode */
static void omap3_invalidate_l2_cache_secure(void)
{
*/
omap3_update_aux_cr(0, 0x2);
}
-#endif
-
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
-{
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
-}
-#endif
+#endif /* !CONFIG_SYS_L2CACHE_OFF */