*
* (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
*
- * 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 <fsl_esdhc.h>
#endif
#include <netdev.h>
+#include <spl.h>
#define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel))
#define CLK_CODE_ARM(c) (((c) >> 16) & 0xFF)
case MXC_IPG_CLK:
return get_ipg_clk();
case MXC_IPG_PERCLK:
+ case MXC_I2C_CLK:
return get_ipg_per_clk();
case MXC_UART_CLK:
return imx_get_uartclk();
- case MXC_ESDHC_CLK:
+ case MXC_ESDHC1_CLK:
return mxc_get_peri_clock(ESDHC1_CLK);
+ case MXC_ESDHC2_CLK:
+ return mxc_get_peri_clock(ESDHC2_CLK);
+ case MXC_ESDHC3_CLK:
+ return mxc_get_peri_clock(ESDHC3_CLK);
case MXC_USB_CLK:
return mxc_get_main_clock(USB_CLK);
case MXC_FEC_CLK:
int get_clocks(void)
{
#ifdef CONFIG_FSL_ESDHC
- gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+#if CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC2_BASE_ADDR
+ gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+#elif CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC3_BASE_ADDR
+ gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+#else
+ gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK);
+#endif
#endif
return 0;
}
-void reset_cpu(ulong addr)
+#define RCSR_MEM_CTL_WEIM 0
+#define RCSR_MEM_CTL_NAND 1
+#define RCSR_MEM_CTL_ATA 2
+#define RCSR_MEM_CTL_EXPANSION 3
+#define RCSR_MEM_TYPE_NOR 0
+#define RCSR_MEM_TYPE_ONENAND 2
+#define RCSR_MEM_TYPE_SD 0
+#define RCSR_MEM_TYPE_I2C 2
+#define RCSR_MEM_TYPE_SPI 3
+
+u32 spl_boot_device(void)
+{
+ struct ccm_regs *ccm =
+ (struct ccm_regs *)IMX_CCM_BASE;
+
+ u32 rcsr = readl(&ccm->rcsr);
+ u32 mem_type, mem_ctl;
+
+ /* In external mode, no boot device is returned */
+ if ((rcsr >> 10) & 0x03)
+ return BOOT_DEVICE_NONE;
+
+ mem_ctl = (rcsr >> 25) & 0x03;
+ mem_type = (rcsr >> 23) & 0x03;
+
+ switch (mem_ctl) {
+ case RCSR_MEM_CTL_WEIM:
+ switch (mem_type) {
+ case RCSR_MEM_TYPE_NOR:
+ return BOOT_DEVICE_NOR;
+ case RCSR_MEM_TYPE_ONENAND:
+ return BOOT_DEVICE_ONENAND;
+ default:
+ return BOOT_DEVICE_NONE;
+ }
+ case RCSR_MEM_CTL_NAND:
+ return BOOT_DEVICE_NAND;
+ case RCSR_MEM_CTL_EXPANSION:
+ switch (mem_type) {
+ case RCSR_MEM_TYPE_SD:
+ return BOOT_DEVICE_MMC1;
+ case RCSR_MEM_TYPE_I2C:
+ return BOOT_DEVICE_I2C;
+ case RCSR_MEM_TYPE_SPI:
+ return BOOT_DEVICE_SPI;
+ default:
+ return BOOT_DEVICE_NONE;
+ }
+ }
+
+ return BOOT_DEVICE_NONE;
+}
+
+#ifdef CONFIG_SPL_BUILD
+u32 spl_boot_mode(void)
{
- struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE_ADDR;
- writew(4, &wdog->wcr);
+ switch (spl_boot_device()) {
+ case BOOT_DEVICE_MMC1:
+#ifdef CONFIG_SPL_FAT_SUPPORT
+ return MMCSD_MODE_FAT;
+#else
+ return MMCSD_MODE_RAW;
+#endif
+ break;
+ case BOOT_DEVICE_NAND:
+ return 0;
+ break;
+ default:
+ puts("spl: ERROR: unsupported device\n");
+ hang();
+ }
}
+#endif