diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap3')
-rw-r--r-- | arch/arm/cpu/armv7/omap3/mem.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/arch/arm/cpu/armv7/omap3/mem.c b/arch/arm/cpu/armv7/omap3/mem.c deleted file mode 100644 index 1832aff..0000000 --- a/arch/arm/cpu/armv7/omap3/mem.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, <www.ti.com> - * - * Author : - * Manikandan Pillai <mani.pillai@ti.com> - * - * Initial Code from: - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/mem.h> -#include <asm/arch/sys_proto.h> -#include <command.h> - -struct gpmc *gpmc_cfg; - -#if defined(CONFIG_CMD_NAND) -static const u32 gpmc_m_nand[GPMC_MAX_REG] = { - M_NAND_GPMC_CONFIG1, - M_NAND_GPMC_CONFIG2, - M_NAND_GPMC_CONFIG3, - M_NAND_GPMC_CONFIG4, - M_NAND_GPMC_CONFIG5, - M_NAND_GPMC_CONFIG6, 0 -}; -#endif /* CONFIG_CMD_NAND */ - -#if defined(CONFIG_CMD_ONENAND) -static const u32 gpmc_onenand[GPMC_MAX_REG] = { - ONENAND_GPMC_CONFIG1, - ONENAND_GPMC_CONFIG2, - ONENAND_GPMC_CONFIG3, - ONENAND_GPMC_CONFIG4, - ONENAND_GPMC_CONFIG5, - ONENAND_GPMC_CONFIG6, 0 -}; -#endif /* CONFIG_CMD_ONENAND */ - -/******************************************************** - * mem_ok() - test used to see if timings are correct - * for a part. Helps in guessing which part - * we are currently using. - *******************************************************/ -u32 mem_ok(u32 cs) -{ - u32 val1, val2, addr; - u32 pattern = 0x12345678; - - addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs); - - writel(0x0, addr + 0x400); /* clear pos A */ - writel(pattern, addr); /* pattern to pos B */ - writel(0x0, addr + 4); /* remove pattern off the bus */ - val1 = readl(addr + 0x400); /* get pos A value */ - val2 = readl(addr); /* get val2 */ - writel(0x0, addr + 0x400); /* clear pos A */ - - if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */ - return 0; - else - return 1; -} - -void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base, - u32 size) -{ - writel(0, &cs->config7); - sdelay(1000); - /* Delay for settling */ - writel(gpmc_config[0], &cs->config1); - writel(gpmc_config[1], &cs->config2); - writel(gpmc_config[2], &cs->config3); - writel(gpmc_config[3], &cs->config4); - writel(gpmc_config[4], &cs->config5); - writel(gpmc_config[5], &cs->config6); - - /* - * Enable the config. size is the CS size and goes in - * bits 11:8. We set bit 6 to enable this CS and the base - * address goes into bits 5:0. - */ - writel((size << 8) | (GPMC_CS_ENABLE << 6) | - ((base >> 24) & GPMC_BASEADDR_MASK), - &cs->config7); - sdelay(2000); -} - -/***************************************************** - * gpmc_init(): init gpmc bus - * Init GPMC for x16, MuxMode (SDRAM in x32). - * This code can only be executed from SRAM or SDRAM. - *****************************************************/ -void gpmc_init(void) -{ - /* putting a blanket check on GPMC based on ZeBu for now */ - gpmc_cfg = (struct gpmc *)GPMC_BASE; -#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND) - const u32 *gpmc_config = NULL; - u32 base = 0; - u32 size = 0; -#endif - u32 config = 0; - - /* global settings */ - writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */ - writel(0, &gpmc_cfg->timeout_control);/* timeout disable */ - - config = readl(&gpmc_cfg->config); - config &= (~0xf00); - writel(config, &gpmc_cfg->config); - - /* - * Disable the GPMC0 config set by ROM code - * It conflicts with our MPDB (both at 0x08000000) - */ - writel(0, &gpmc_cfg->cs[0].config7); - sdelay(1000); - -#if defined(CONFIG_CMD_NAND) /* CS 0 */ - gpmc_config = gpmc_m_nand; - - base = PISMO1_NAND_BASE; - size = PISMO1_NAND_SIZE; - enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size); -#endif - -#if defined(CONFIG_CMD_ONENAND) - gpmc_config = gpmc_onenand; - base = PISMO1_ONEN_BASE; - size = PISMO1_ONEN_SIZE; - enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size); -#endif -} |