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kconfig: arm: move ARCH_MX? out of choice which selects TARGETs that depend on those
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1 /*
2  * Copyright (C) 2014 Gateworks Corporation
3  * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
4  *
5  * Author: Tim Harvey <tharvey@gateworks.com>
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9
10 #include <common.h>
11 #include <asm/io.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/spl.h>
14 #include <spl.h>
15
16 #if defined(CONFIG_ARCH_MX6)
17 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
18 u32 spl_boot_device(void)
19 {
20         struct src *psrc = (struct src *)SRC_BASE_ADDR;
21         unsigned int gpr10_boot = readl(&psrc->gpr10) & (1 << 28);
22         unsigned reg = gpr10_boot ? readl(&psrc->gpr9) : readl(&psrc->sbmr1);
23
24         /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
25         switch ((reg & 0x000000FF) >> 4) {
26          /* EIM: See 8.5.1, Table 8-9 */
27         case 0x0:
28                 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
29                 if ((reg & 0x00000008) >> 3)
30                         return BOOT_DEVICE_ONENAND;
31                 else
32                         return BOOT_DEVICE_NOR;
33                 break;
34         /* SATA: See 8.5.4, Table 8-20 */
35         case 0x2:
36                 return BOOT_DEVICE_SATA;
37         /* Serial ROM: See 8.5.5.1, Table 8-22 */
38         case 0x3:
39                 /* BOOT_CFG4[2:0] */
40                 switch ((reg & 0x07000000) >> 24) {
41                 case 0x0 ... 0x4:
42                         return BOOT_DEVICE_SPI;
43                 case 0x5 ... 0x7:
44                         return BOOT_DEVICE_I2C;
45                 }
46                 break;
47         /* SD/eSD: 8.5.3, Table 8-15  */
48         case 0x4:
49         case 0x5:
50                 return BOOT_DEVICE_MMC1;
51         /* MMC/eMMC: 8.5.3 */
52         case 0x6:
53         case 0x7:
54                 return BOOT_DEVICE_MMC1;
55         /* NAND Flash: 8.5.2 */
56         case 0x8 ... 0xf:
57                 return BOOT_DEVICE_NAND;
58         }
59         return BOOT_DEVICE_NONE;
60 }
61 #endif
62
63 #if defined(CONFIG_SPL_MMC_SUPPORT)
64 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
65 u32 spl_boot_mode(void)
66 {
67         switch (spl_boot_device()) {
68         /* for MMC return either RAW or FAT mode */
69         case BOOT_DEVICE_MMC1:
70         case BOOT_DEVICE_MMC2:
71 #if defined(CONFIG_SPL_FAT_SUPPORT)
72                 return MMCSD_MODE_FS;
73 #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
74                 return MMCSD_MODE_EMMCBOOT;
75 #else
76                 return MMCSD_MODE_RAW;
77 #endif
78                 break;
79         default:
80                 puts("spl: ERROR:  unsupported device\n");
81                 hang();
82         }
83 }
84 #endif