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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 <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
writel(periph1_clken, &misc_p->periph1_clken);
return 0;
}
void enable_caches(void)
{
#ifndef CONFIG_SYS_ICACHE_OFF
icache_enable();
#endif
#ifndef CONFIG_SYS_DCACHE_OFF
dcache_enable();
#endif
}
#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(cmd_tbl_t *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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