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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2010
- * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
- */
- #include <common.h>
- #include <command.h>
- #include <init.h>
- #include <asm/io.h>
- #include <asm/arch/hardware.h>
- #include <asm/arch/spr_misc.h>
- int arch_cpu_init(void)
- {
- struct misc_regs *const misc_p =
- (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
- u32 periph1_clken, periph_clk_cfg;
- periph1_clken = readl(&misc_p->periph1_clken);
- #if defined(CONFIG_SPEAR3XX)
- periph1_clken |= MISC_GPT2ENB;
- #elif defined(CONFIG_SPEAR600)
- periph1_clken |= MISC_GPT3ENB;
- #endif
- #if defined(CONFIG_PL011_SERIAL)
- periph1_clken |= MISC_UART0ENB;
- periph_clk_cfg = readl(&misc_p->periph_clk_cfg);
- periph_clk_cfg &= ~CONFIG_SPEAR_UARTCLKMSK;
- periph_clk_cfg |= CONFIG_SPEAR_UART48M;
- writel(periph_clk_cfg, &misc_p->periph_clk_cfg);
- #endif
- #if defined(CONFIG_ETH_DESIGNWARE)
- periph1_clken |= MISC_ETHENB;
- #endif
- #if defined(CONFIG_DW_UDC)
- periph1_clken |= MISC_USBDENB;
- #endif
- #if defined(CONFIG_SYS_I2C_DW)
- periph1_clken |= MISC_I2CENB;
- #endif
- #if defined(CONFIG_ST_SMI)
- periph1_clken |= MISC_SMIENB;
- #endif
- #if defined(CONFIG_NAND_FSMC)
- periph1_clken |= MISC_FSMCENB;
- #endif
- #if defined(CONFIG_USB_EHCI_SPEAR)
- periph1_clken |= PERIPH_USBH1 | PERIPH_USBH2;
- #endif
- #if defined(CONFIG_SPEAR_GPIO)
- periph1_clken |= MISC_GPIO3ENB | MISC_GPIO4ENB;
- #endif
- #if defined(CONFIG_PL022_SPI)
- periph1_clken |= MISC_SSP1ENB | MISC_SSP2ENB | MISC_SSP3ENB;
- #endif
- writel(periph1_clken, &misc_p->periph1_clken);
- return 0;
- }
- #ifdef CONFIG_DISPLAY_CPUINFO
- int print_cpuinfo(void)
- {
- #ifdef CONFIG_SPEAR300
- printf("CPU: SPEAr300\n");
- #elif defined(CONFIG_SPEAR310)
- printf("CPU: SPEAr310\n");
- #elif defined(CONFIG_SPEAR320)
- printf("CPU: SPEAr320\n");
- #elif defined(CONFIG_SPEAR600)
- printf("CPU: SPEAr600\n");
- #else
- #error CPU not supported in spear platform
- #endif
- return 0;
- }
- #endif
- #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_NAND_ECC_BCH) && defined(CONFIG_NAND_FSMC)
- static int do_switch_ecc(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
- {
- if (argc != 2)
- goto usage;
- if (strncmp(argv[1], "hw", 2) == 0) {
- /* 1-bit HW ECC */
- printf("Switching to 1-bit HW ECC\n");
- fsmc_nand_switch_ecc(1);
- } else if (strncmp(argv[1], "bch4", 2) == 0) {
- /* 4-bit SW ECC BCH4 */
- printf("Switching to 4-bit SW ECC (BCH4)\n");
- fsmc_nand_switch_ecc(4);
- } else {
- goto usage;
- }
- return 0;
- usage:
- printf("Usage: nandecc %s\n", cmdtp->usage);
- return 1;
- }
- U_BOOT_CMD(
- nandecc, 2, 0, do_switch_ecc,
- "switch NAND ECC calculation algorithm",
- "hw|bch4 - Switch between NAND hardware 1-bit HW and"
- " 4-bit SW BCH\n"
- );
- #endif
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