*
* (C) Copyright 2009 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 <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+
#include <asm/errno.h>
#include <asm/io.h>
+#include <asm/imx-common/boot_mode.h>
-#ifdef CONFIG_FSL_ESDHC
-#include <fsl_esdhc.h>
-#endif
-
-#if defined(CONFIG_MX51)
-#define CPU_TYPE 0x51000
-#else
+#if !(defined(CONFIG_MX51) || defined(CONFIG_MX53))
#error "CPU_TYPE not defined"
#endif
u32 get_cpu_rev(void)
{
- int system_rev = CPU_TYPE;
+#ifdef CONFIG_MX51
+ int system_rev = 0x51000;
+#else
+ int system_rev = 0x53000;
+#endif
int reg = __raw_readl(ROM_SI_REV);
+#if defined(CONFIG_MX51)
switch (reg) {
case 0x02:
system_rev |= CHIP_REV_1_1;
case 0x20:
system_rev |= CHIP_REV_3_0;
break;
- return system_rev;
default:
system_rev |= CHIP_REV_1_0;
break;
}
+#else
+ if (reg < 0x20)
+ system_rev |= CHIP_REV_1_0;
+ else
+ system_rev |= reg;
+#endif
return system_rev;
}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo(void)
+#ifdef CONFIG_REVISION_TAG
+u32 __weak get_board_rev(void)
{
- u32 cpurev;
+ return get_cpu_rev();
+}
+#endif
- cpurev = get_cpu_rev();
- printf("CPU: Freescale i.MX%x family rev%d.%d at %d MHz\n",
- (cpurev & 0xFF000) >> 12,
- (cpurev & 0x000F0) >> 4,
- (cpurev & 0x0000F) >> 0,
- mxc_get_clock(MXC_ARM_CLK) / 1000000);
- return 0;
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
}
#endif
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
#if defined(CONFIG_FEC_MXC)
-extern int fecmxc_initialize(bd_t *bis);
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+ int i;
+ struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+ struct fuse_bank *bank = &iim->bank[1];
+ struct fuse_bank1_regs *fuse =
+ (struct fuse_bank1_regs *)bank->fuse_regs;
+
+ for (i = 0; i < 6; i++)
+ mac[i] = readl(&fuse->mac_addr[i]) & 0xff;
+}
#endif
-int cpu_eth_init(bd_t *bis)
+void set_chipselect_size(int const cs_size)
{
- int rc = -ENODEV;
+ unsigned int reg;
+ struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ reg = readl(&iomuxc_regs->gpr1);
-#if defined(CONFIG_FEC_MXC)
- rc = fecmxc_initialize(bis);
-#endif
+ switch (cs_size) {
+ case CS0_128:
+ reg &= ~0x7; /* CS0=128MB, CS1=0, CS2=0, CS3=0 */
+ reg |= 0x5;
+ break;
+ case CS0_64M_CS1_64M:
+ reg &= ~0x3F; /* CS0=64MB, CS1=64MB, CS2=0, CS3=0 */
+ reg |= 0x1B;
+ break;
+ case CS0_64M_CS1_32M_CS2_32M:
+ reg &= ~0x1FF; /* CS0=64MB, CS1=32MB, CS2=32MB, CS3=0 */
+ reg |= 0x4B;
+ break;
+ case CS0_32M_CS1_32M_CS2_32M_CS3_32M:
+ reg &= ~0xFFF; /* CS0=32MB, CS1=32MB, CS2=32MB, CS3=32MB */
+ reg |= 0x249;
+ break;
+ default:
+ printf("Unknown chip select size: %d\n", cs_size);
+ break;
+ }
- return rc;
+ writel(reg, &iomuxc_regs->gpr1);
}
+#ifdef CONFIG_MX53
+void boot_mode_apply(unsigned cfg_val)
+{
+ writel(cfg_val, &((struct srtc_regs *)SRTC_BASE_ADDR)->lpgr);
+}
/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
+ * cfg_val will be used for
+ * Boot_cfg3[7:0]:Boot_cfg2[7:0]:Boot_cfg1[7:0]
+ *
+ * If bit 28 of LPGR is set upon watchdog reset,
+ * bits[25:0] of LPGR will move to SBMR.
*/
-int cpu_mmc_init(bd_t *bis)
-{
-#ifdef CONFIG_FSL_ESDHC
- return fsl_esdhc_mmc_init(bis);
-#else
- return 0;
+const struct boot_mode soc_boot_modes[] = {
+ {"normal", MAKE_CFGVAL(0x00, 0x00, 0x00, 0x00)},
+ /* usb or serial download */
+ {"usb", MAKE_CFGVAL(0x00, 0x00, 0x00, 0x13)},
+ {"sata", MAKE_CFGVAL(0x28, 0x00, 0x00, 0x12)},
+ {"escpi1:0", MAKE_CFGVAL(0x38, 0x20, 0x00, 0x12)},
+ {"escpi1:1", MAKE_CFGVAL(0x38, 0x20, 0x04, 0x12)},
+ {"escpi1:2", MAKE_CFGVAL(0x38, 0x20, 0x08, 0x12)},
+ {"escpi1:3", MAKE_CFGVAL(0x38, 0x20, 0x0c, 0x12)},
+ /* 4 bit bus width */
+ {"esdhc1", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x12)},
+ {"esdhc2", MAKE_CFGVAL(0x40, 0x20, 0x08, 0x12)},
+ {"esdhc3", MAKE_CFGVAL(0x40, 0x20, 0x10, 0x12)},
+ {"esdhc4", MAKE_CFGVAL(0x40, 0x20, 0x18, 0x12)},
+ {NULL, 0},
+};
#endif
-}
-
-
-void reset_cpu(ulong addr)
-{
- __raw_writew(4, WDOG1_BASE_ADDR);
-}