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ARM: k2g: add SD card and eMMC support
Add MMC support for k2g Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
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91266ccbb2
commit
3b68939fa0
3 changed files with 43 additions and 2 deletions
22
arch/arm/mach-keystone/include/mach/mmc_host_def.h
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22
arch/arm/mach-keystone/include/mach/mmc_host_def.h
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@ -0,0 +1,22 @@
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/*
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* K2G: MMC
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*
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* (C) Copyright 2015
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* Texas Instruments Incorporated, <www.ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef K2G_MMC_HOST_DEF_H
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#define K2G_MMC_HOST_DEF_H
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#include <asm/omap_mmc.h>
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/*
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* OMAP HSMMC register definitions
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*/
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#define OMAP_HSMMC1_BASE 0x23000100
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#define OMAP_HSMMC2_BASE 0x23100100
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#endif /* K2G_MMC_HOST_DEF_H */
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@ -9,6 +9,8 @@
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#include <common.h>
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#include <asm/arch/clock.h>
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#include <asm/ti-common/keystone_net.h>
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#include <asm/arch/psc_defs.h>
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#include <asm/arch/mmc_host_def.h>
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#include "mux-k2g.h"
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#define SYS_CLK 24000000
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@ -58,6 +60,20 @@ s16 divn_val[16] = {
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
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};
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#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
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int board_mmc_init(bd_t *bis)
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{
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if (psc_enable_module(KS2_LPSC_MMC)) {
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printf("%s module enabled failed\n", __func__);
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return -1;
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}
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omap_mmc_init(0, 0, 0, -1, -1);
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omap_mmc_init(1, 0, 0, -1, -1);
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return 0;
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}
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#endif
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#ifdef CONFIG_BOARD_EARLY_INIT_F
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int board_early_init_f(void)
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{
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@ -31,10 +31,12 @@
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#include <twl4030.h>
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#include <twl6030.h>
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#include <palmas.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <asm/arch/mmc_host_def.h>
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#if !defined(CONFIG_SOC_KEYSTONE)
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#include <asm/gpio.h>
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#include <asm/arch/sys_proto.h>
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#endif
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/* simplify defines to OMAP_HSMMC_USE_GPIO */
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#if (defined(CONFIG_OMAP_GPIO) && !defined(CONFIG_SPL_BUILD)) || \
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@ -662,7 +664,8 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
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priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
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#if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
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defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) || \
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defined(CONFIG_AM43XX)) && defined(CONFIG_HSMMC2_8BIT)
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defined(CONFIG_AM43XX) || defined(CONFIG_SOC_KEYSTONE)) && \
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defined(CONFIG_HSMMC2_8BIT)
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/* Enable 8-bit interface for eMMC on OMAP4/5 or DRA7XX */
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host_caps_val |= MMC_MODE_8BIT;
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#endif
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