* Copyright (C) 2011
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <nand.h>
#include <asm/arch/hardware.h>
#include <asm/arch/davinci_misc.h>
#include <asm/arch/ddr2_defs.h>
-#include <asm/arch/emif_defs.h>
+#include <asm/ti-common/davinci_nand.h>
#include <asm/arch/pll_defs.h>
-void da850_waitloop(unsigned long loopcnt)
+void davinci_enable_uart0(void)
+{
+ lpsc_on(DAVINCI_LPSC_UART0);
+
+ /* Bringup UART0 out of reset */
+ REG(UART0_PWREMU_MGMT) = 0x00006001;
+}
+
+#if defined(CONFIG_SYS_DA850_PLL_INIT)
+static void da850_waitloop(unsigned long loopcnt)
{
unsigned long i;
asm(" NOP");
}
-int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
+static int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
{
if (reg == davinci_pllc0_regs)
/* Unlock PLL registers. */
return 0;
}
+#endif /* CONFIG_SYS_DA850_PLL_INIT */
-int da850_ddr_setup(void)
+#if defined(CONFIG_SYS_DA850_DDR_INIT)
+static int da850_ddr_setup(void)
{
unsigned long tmp;
setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
-
- setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN);
}
-
+ setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN);
writel(CONFIG_SYS_DA850_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr);
- clrbits_le32(&davinci_syscfg1_regs->ddr_slew,
- (1 << DDR_SLEW_CMOSEN_BIT));
+
+ if (CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT)) {
+ /* DDR2 */
+ clrbits_le32(&davinci_syscfg1_regs->ddr_slew,
+ (1 << DDR_SLEW_DDR_PDENA_BIT) |
+ (1 << DDR_SLEW_CMOSEN_BIT));
+ } else {
+ /* MOBILE DDR */
+ setbits_le32(&davinci_syscfg1_regs->ddr_slew,
+ (1 << DDR_SLEW_DDR_PDENA_BIT) |
+ (1 << DDR_SLEW_CMOSEN_BIT));
+ }
/*
* SDRAM Configuration Register (SDCR):
writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
/* write memory configuration and timing */
- writel(CONFIG_SYS_DA850_DDR2_SDBCR2, &dv_ddr2_regs_ctrl->sdbcr2);
+ if (!(CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT))) {
+ /* MOBILE DDR only*/
+ writel(CONFIG_SYS_DA850_DDR2_SDBCR2,
+ &dv_ddr2_regs_ctrl->sdbcr2);
+ }
writel(CONFIG_SYS_DA850_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr);
writel(CONFIG_SYS_DA850_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
/* disable self refresh */
clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr,
- DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_LPMODEN);
+ DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_MCLKSTOPEN);
writel(CONFIG_SYS_DA850_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr);
return 0;
}
+#endif /* CONFIG_SYS_DA850_DDR_INIT */
__attribute__((weak))
void board_gpio_init(void)
return;
}
-/* pinmux_resource[] vector is defined in the board specific file */
-extern const struct pinmux_resource pinmuxes[];
-extern const int pinmuxes_size;
-
int arch_cpu_init(void)
{
/* Unlock kick registers */
if (davinci_configure_pin_mux_items(pinmuxes, pinmuxes_size))
return 1;
+#if defined(CONFIG_SYS_DA850_PLL_INIT)
/* PLL setup */
da850_pll_init(davinci_pllc0_regs, CONFIG_SYS_DA850_PLL0_PLLM);
da850_pll_init(davinci_pllc1_regs, CONFIG_SYS_DA850_PLL1_PLLM);
-
- /* GPIO setup */
- board_gpio_init();
-
+#endif
/* setup CSn config */
#if defined(CONFIG_SYS_DA850_CS2CFG)
writel(CONFIG_SYS_DA850_CS2CFG, &davinci_emif_regs->ab1cr);
writel(CONFIG_SYS_DA850_CS3CFG, &davinci_emif_regs->ab2cr);
#endif
- lpsc_on(CONFIG_SYS_DA850_LPSC_UART);
+ da8xx_configure_lpsc_items(lpsc, lpsc_size);
+
+ /* GPIO setup */
+ board_gpio_init();
+
+
NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
*/
writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
DAVINCI_UART_PWREMU_MGMT_UTRST),
+#if (CONFIG_SYS_NS16550_COM1 == DAVINCI_UART0_BASE)
+ &davinci_uart0_ctrl_regs->pwremu_mgmt);
+#else
&davinci_uart2_ctrl_regs->pwremu_mgmt);
+#endif
+#if defined(CONFIG_SYS_DA850_DDR_INIT)
da850_ddr_setup();
+#endif
+
return 0;
}