diff options
Diffstat (limited to 'board/spear/common/spr_misc.c')
| -rw-r--r-- | board/spear/common/spr_misc.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/board/spear/common/spr_misc.c b/board/spear/common/spr_misc.c deleted file mode 100644 index a02304f49ee..00000000000 --- a/board/spear/common/spr_misc.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * (C) Copyright 2009 - * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <i2c.h> -#include <net.h> -#include <linux/mtd/st_smi.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/spr_emi.h> -#include <asm/arch/spr_defs.h> - -#define CPU 0 -#define DDR 1 -#define SRAM_REL 0xD2801000 - -DECLARE_GLOBAL_DATA_PTR; - -#if defined(CONFIG_CMD_NET) -static int i2c_read_mac(uchar *buffer); -#endif - -int dram_init(void) -{ - /* Store complete RAM size and return */ - gd->ram_size = get_ram_size(PHYS_SDRAM_1, PHYS_SDRAM_1_MAXSIZE); - - return 0; -} - -int dram_init_banksize(void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = gd->ram_size; - - return 0; -} - -int board_early_init_f() -{ -#if defined(CONFIG_ST_SMI) - smi_init(); -#endif - return 0; -} -int misc_init_r(void) -{ -#if defined(CONFIG_CMD_NET) - uchar mac_id[6]; - - if (!eth_env_get_enetaddr("ethaddr", mac_id) && !i2c_read_mac(mac_id)) - eth_env_set_enetaddr("ethaddr", mac_id); -#endif - env_set("verify", "n"); - -#if defined(CONFIG_SPEAR_USBTTY) - env_set("stdin", "usbtty"); - env_set("stdout", "usbtty"); - env_set("stderr", "usbtty"); - -#ifndef CONFIG_SYS_NO_DCACHE - dcache_enable(); -#endif -#endif - return 0; -} - -#ifdef CONFIG_SPEAR_EMI -struct cust_emi_para { - unsigned int tap; - unsigned int tsdp; - unsigned int tdpw; - unsigned int tdpr; - unsigned int tdcs; -}; - -/* EMI timing setting of m28w640hc of linux kernel */ -const struct cust_emi_para emi_timing_m28w640hc = { - .tap = 0x10, - .tsdp = 0x05, - .tdpw = 0x0a, - .tdpr = 0x0a, - .tdcs = 0x05, -}; - -/* EMI timing setting of bootrom */ -const struct cust_emi_para emi_timing_bootrom = { - .tap = 0xf, - .tsdp = 0x0, - .tdpw = 0xff, - .tdpr = 0x111, - .tdcs = 0x02, -}; - -void spear_emi_init(void) -{ - const struct cust_emi_para *p = &emi_timing_m28w640hc; - struct emi_regs *emi_regs_p = (struct emi_regs *)CONFIG_SPEAR_EMIBASE; - unsigned int cs; - unsigned int val, tmp; - - val = readl(CONFIG_SPEAR_RASBASE); - - if (val & EMI_ACKMSK) - tmp = 0x3f; - else - tmp = 0x0; - - writel(tmp, &emi_regs_p->ack); - - for (cs = 0; cs < CONFIG_SYS_MAX_FLASH_BANKS; cs++) { - writel(p->tap, &emi_regs_p->bank_regs[cs].tap); - writel(p->tsdp, &emi_regs_p->bank_regs[cs].tsdp); - writel(p->tdpw, &emi_regs_p->bank_regs[cs].tdpw); - writel(p->tdpr, &emi_regs_p->bank_regs[cs].tdpr); - writel(p->tdcs, &emi_regs_p->bank_regs[cs].tdcs); - writel(EMI_CNTL_ENBBYTERW | ((val & 0x18) >> 3), - &emi_regs_p->bank_regs[cs].control); - } -} -#endif - -int spear_board_init(ulong mach_type) -{ - gd->bd->bi_arch_number = mach_type; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = CONFIG_BOOT_PARAMS_ADDR; - -#ifdef CONFIG_SPEAR_EMI - spear_emi_init(); -#endif - return 0; -} - -#if defined(CONFIG_CMD_NET) -static int i2c_read_mac(uchar *buffer) -{ - u8 buf[2]; - - i2c_read(CONFIG_I2C_CHIPADDRESS, MAGIC_OFF, 1, buf, MAGIC_LEN); - - /* Check if mac in i2c memory is valid */ - if ((buf[0] == MAGIC_BYTE0) && (buf[1] == MAGIC_BYTE1)) { - /* Valid mac address is saved in i2c eeprom */ - i2c_read(CONFIG_I2C_CHIPADDRESS, MAC_OFF, 1, buffer, MAC_LEN); - return 0; - } - - return -1; -} - -static int write_mac(uchar *mac) -{ - u8 buf[2]; - - buf[0] = (u8)MAGIC_BYTE0; - buf[1] = (u8)MAGIC_BYTE1; - i2c_write(CONFIG_I2C_CHIPADDRESS, MAGIC_OFF, 1, buf, MAGIC_LEN); - - buf[0] = (u8)~MAGIC_BYTE0; - buf[1] = (u8)~MAGIC_BYTE1; - - i2c_read(CONFIG_I2C_CHIPADDRESS, MAGIC_OFF, 1, buf, MAGIC_LEN); - - /* check if valid MAC address is saved in I2C EEPROM or not? */ - if ((buf[0] == MAGIC_BYTE0) && (buf[1] == MAGIC_BYTE1)) { - i2c_write(CONFIG_I2C_CHIPADDRESS, MAC_OFF, 1, mac, MAC_LEN); - puts("I2C EEPROM written with mac address \n"); - return 0; - } - - puts("I2C EEPROM writing failed\n"); - return -1; -} -#endif - -int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - void (*sram_setfreq) (unsigned int, unsigned int); - unsigned int frequency; -#if defined(CONFIG_CMD_NET) - unsigned char mac[6]; -#endif - - if ((argc > 3) || (argc < 2)) - return cmd_usage(cmdtp); - - if ((!strcmp(argv[1], "cpufreq")) || (!strcmp(argv[1], "ddrfreq"))) { - - frequency = simple_strtoul(argv[2], NULL, 0); - - if (frequency > 333) { - printf("Frequency is limited to 333MHz\n"); - return 1; - } - - sram_setfreq = memcpy((void *)SRAM_REL, setfreq, setfreq_sz); - - if (!strcmp(argv[1], "cpufreq")) { - sram_setfreq(CPU, frequency); - printf("CPU frequency changed to %u\n", frequency); - } else { - sram_setfreq(DDR, frequency); - printf("DDR frequency changed to %u\n", frequency); - } - - return 0; - -#if defined(CONFIG_CMD_NET) - } else if (!strcmp(argv[1], "ethaddr")) { - - u32 reg; - char *e, *s = argv[2]; - for (reg = 0; reg < 6; ++reg) { - mac[reg] = s ? simple_strtoul(s, &e, 16) : 0; - if (s) - s = (*e) ? e + 1 : e; - } - write_mac(mac); - - return 0; -#endif - } else if (!strcmp(argv[1], "print")) { -#if defined(CONFIG_CMD_NET) - if (!i2c_read_mac(mac)) { - printf("Ethaddr (from i2c mem) = %pM\n", mac); - } else { - printf("Ethaddr (from i2c mem) = Not set\n"); - } -#endif - return 0; - } - - return cmd_usage(cmdtp); -} - -U_BOOT_CMD(chip_config, 3, 1, do_chip_config, - "configure chip", - "chip_config cpufreq/ddrfreq frequency\n" -#if defined(CONFIG_CMD_NET) - "chip_config ethaddr XX:XX:XX:XX:XX:XX\n" -#endif - "chip_config print"); |