1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2016 Freescale Semiconductor, Inc.
9 #include <asm/arch/clock.h>
10 #include <asm/arch/fsl_serdes.h>
11 #ifdef CONFIG_FSL_LS_PPA
12 #include <asm/arch/ppa.h>
14 #include <asm/arch/mmu.h>
15 #include <asm/arch/soc.h>
20 #include <fsl_esdhc.h>
21 #include <environment.h>
26 DECLARE_GLOBAL_DATA_PTR;
28 #define BOOT_FROM_UPPER_BANK 0x2
29 #define BOOT_FROM_LOWER_BANK 0x1
33 #ifdef CONFIG_TARGET_LS1012ARDB
36 puts("Board: LS1012ARDB ");
38 /* Initialize i2c early for Serial flash bank information */
41 if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1) < 0) {
42 printf("Error reading i2c boot information!\n");
43 return 0; /* Don't want to hang() on this error */
47 switch (in1 & SW_REV_MASK) {
74 printf(", boot from QSPI");
75 if ((in1 & SW_BOOT_MASK) == SW_BOOT_EMU)
77 else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK1)
79 else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK2)
85 puts("Board: LS1012A2G5RDB ");
92 static const struct fsl_mmdc_info mparam = {
93 0x05180000, /* mdctl */
94 0x00030035, /* mdpdc */
95 0x12554000, /* mdotc */
96 0xbabf7954, /* mdcfg0 */
97 0xdb328f64, /* mdcfg1 */
98 0x01ff00db, /* mdcfg2 */
99 0x00001680, /* mdmisc */
100 0x0f3c8000, /* mdref */
101 0x00002000, /* mdrwd */
102 0x00bf1023, /* mdor */
103 0x0000003f, /* mdasp */
104 0x0000022a, /* mpodtctrl */
105 0xa1390003, /* mpzqhwctrl */
110 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
111 #if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
112 /* This will break-before-make MMU for DDR */
113 update_early_mmu_table();
120 int board_early_init_f(void)
122 fsl_lsch2_early_init_f();
129 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
130 CONFIG_SYS_CCI400_OFFSET);
132 * Set CCI-400 control override register to enable barrier
135 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
137 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
141 #ifdef CONFIG_ENV_IS_NOWHERE
142 gd->env_addr = (ulong)&default_environment[0];
145 #ifdef CONFIG_FSL_CAAM
149 #ifdef CONFIG_FSL_LS_PPA
155 #ifdef CONFIG_TARGET_LS1012ARDB
156 int esdhc_status_fixup(void *blob, const char *compat)
158 char esdhc1_path[] = "/soc/esdhc@1580000";
159 bool sdhc2_en = false;
165 /* IO1[7:3] is the field of board revision info. */
166 if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1) < 0) {
167 printf("Error reading i2c boot information!\n");
171 /* hwconfig method is used for RevD and later versions. */
172 if ((io & SW_REV_MASK) <= SW_REV_D) {
173 #ifdef CONFIG_HWCONFIG
174 if (hwconfig("esdhc1"))
179 * The I2C IO-expander for mux select is used to control
180 * the muxing of various onboard interfaces.
182 * IO0[3:2] indicates SDHC2 interface demultiplexer
185 * 01 - GPIO (to Arduino)
189 if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1) < 0) {
190 printf("Error reading i2c boot information!\n");
194 mux_sdhc2 = (io & 0x0c) >> 2;
195 /* Enable SDHC2 only when use SDIO wifi and eMMC */
196 if (mux_sdhc2 == 2 || mux_sdhc2 == 0)
200 do_fixup_by_path(blob, esdhc1_path, "status", "okay",
203 do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
204 sizeof("disabled"), 1);
209 int ft_board_setup(void *blob, bd_t *bd)
211 arch_fixup_fdt(blob);
213 ft_cpu_setup(blob, bd);
218 static int switch_to_bank1(void)
226 ret = i2c_write(0x24, 0x3, 1, &data, 1);
228 printf("i2c write error to chip : %u, addr : %u, data : %u\n",
235 static int switch_to_bank2(void)
243 ret = i2c_write(0x24, 0x7, 1, &data, 1);
245 printf("i2c write error to chip : %u, addr : %u, data : %u\n",
251 ret = i2c_write(0x24, 0x3, 1, &data, 1);
253 printf("i2c write error to chip : %u, addr : %u, data : %u\n",
260 static int convert_flash_bank(int bank)
265 case BOOT_FROM_UPPER_BANK:
266 ret = switch_to_bank2();
268 case BOOT_FROM_LOWER_BANK:
269 ret = switch_to_bank1();
279 static int flash_bank_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
283 return CMD_RET_USAGE;
284 if (strcmp(argv[1], "1") == 0)
285 convert_flash_bank(BOOT_FROM_LOWER_BANK);
286 else if (strcmp(argv[1], "2") == 0)
287 convert_flash_bank(BOOT_FROM_UPPER_BANK);
289 return CMD_RET_USAGE;
295 boot_bank, 2, 0, flash_bank_cmd,
296 "Flash bank Selection Control",
297 "bank[1-lower bank/2-upper bank] (e.g. boot_bank 1)"