M7350/kernel/arch/arm/mach-msm/board-8064-storage.c
2024-09-09 08:52:07 +00:00

400 lines
11 KiB
C

/* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/bootmem.h>
#include <asm/mach-types.h>
#include <asm/mach/mmc.h>
#include <mach/msm_bus_board.h>
#include <mach/board.h>
#include <mach/gpiomux.h>
#include "devices.h"
#include "board-8064.h"
#include "board-storage-common-a.h"
/* APQ8064 has 4 SDCC controllers */
enum sdcc_controllers {
SDCC1,
SDCC2,
SDCC3,
SDCC4,
MAX_SDCC_CONTROLLER
};
/* All SDCC controllers require VDD/VCC voltage */
static struct msm_mmc_reg_data mmc_vdd_reg_data[MAX_SDCC_CONTROLLER] = {
/* SDCC1 : eMMC card connected */
[SDCC1] = {
.name = "sdc_vdd",
.high_vol_level = 2950000,
.low_vol_level = 2950000,
.always_on = 1,
.lpm_sup = 1,
.lpm_uA = 9000,
.hpm_uA = 200000, /* 200mA */
},
/* SDCC3 : External card slot connected */
[SDCC3] = {
.name = "sdc_vdd",
.high_vol_level = 2950000,
.low_vol_level = 2950000,
.hpm_uA = 800000, /* 800mA */
}
};
/* SDCC controllers may require voting for VDD IO voltage */
static struct msm_mmc_reg_data mmc_vdd_io_reg_data[MAX_SDCC_CONTROLLER] = {
/* SDCC1 : eMMC card connected */
[SDCC1] = {
.name = "sdc_vdd_io",
.always_on = 1,
.high_vol_level = 1800000,
.low_vol_level = 1800000,
.hpm_uA = 200000, /* 200mA */
},
/* SDCC3 : External card slot connected */
[SDCC3] = {
.name = "sdc_vdd_io",
.high_vol_level = 2950000,
.low_vol_level = 1850000,
.always_on = 1,
.lpm_sup = 1,
/* Max. Active current required is 16 mA */
.hpm_uA = 16000,
/*
* Sleep current required is ~300 uA. But min. vote can be
* in terms of mA (min. 1 mA). So let's vote for 2 mA
* during sleep.
*/
.lpm_uA = 2000,
}
};
static struct msm_mmc_slot_reg_data mmc_slot_vreg_data[MAX_SDCC_CONTROLLER] = {
/* SDCC1 : eMMC card connected */
[SDCC1] = {
.vdd_data = &mmc_vdd_reg_data[SDCC1],
.vdd_io_data = &mmc_vdd_io_reg_data[SDCC1],
},
/* SDCC3 : External card slot connected */
[SDCC3] = {
.vdd_data = &mmc_vdd_reg_data[SDCC3],
.vdd_io_data = &mmc_vdd_io_reg_data[SDCC3],
}
};
/* SDC1 pad data */
static struct msm_mmc_pad_drv sdc1_pad_drv_on_cfg[] = {
{TLMM_HDRV_SDC1_CLK, GPIO_CFG_16MA},
{TLMM_HDRV_SDC1_CMD, GPIO_CFG_10MA},
{TLMM_HDRV_SDC1_DATA, GPIO_CFG_10MA}
};
static struct msm_mmc_pad_drv sdc1_pad_drv_off_cfg[] = {
{TLMM_HDRV_SDC1_CLK, GPIO_CFG_2MA},
{TLMM_HDRV_SDC1_CMD, GPIO_CFG_2MA},
{TLMM_HDRV_SDC1_DATA, GPIO_CFG_2MA}
};
static struct msm_mmc_pad_pull sdc1_pad_pull_on_cfg[] = {
{TLMM_PULL_SDC1_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC1_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC1_DATA, GPIO_CFG_PULL_UP}
};
static struct msm_mmc_pad_pull sdc1_pad_pull_off_cfg[] = {
{TLMM_PULL_SDC1_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC1_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC1_DATA, GPIO_CFG_PULL_UP}
};
/* SDC3 pad data */
static struct msm_mmc_pad_drv sdc3_pad_drv_on_cfg[] = {
{TLMM_HDRV_SDC3_CLK, GPIO_CFG_8MA},
{TLMM_HDRV_SDC3_CMD, GPIO_CFG_8MA},
{TLMM_HDRV_SDC3_DATA, GPIO_CFG_8MA}
};
static struct msm_mmc_pad_drv sdc3_pad_drv_off_cfg[] = {
{TLMM_HDRV_SDC3_CLK, GPIO_CFG_2MA},
{TLMM_HDRV_SDC3_CMD, GPIO_CFG_2MA},
{TLMM_HDRV_SDC3_DATA, GPIO_CFG_2MA}
};
static struct msm_mmc_pad_pull sdc3_pad_pull_on_cfg[] = {
{TLMM_PULL_SDC3_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC3_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC3_DATA, GPIO_CFG_PULL_UP}
};
static struct msm_mmc_pad_pull sdc3_pad_pull_off_cfg[] = {
{TLMM_PULL_SDC3_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC3_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC3_DATA, GPIO_CFG_PULL_UP}
};
static struct msm_mmc_pad_pull_data mmc_pad_pull_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.on = sdc1_pad_pull_on_cfg,
.off = sdc1_pad_pull_off_cfg,
.size = ARRAY_SIZE(sdc1_pad_pull_on_cfg)
},
[SDCC3] = {
.on = sdc3_pad_pull_on_cfg,
.off = sdc3_pad_pull_off_cfg,
.size = ARRAY_SIZE(sdc3_pad_pull_on_cfg)
},
};
static struct msm_mmc_pad_drv_data mmc_pad_drv_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.on = sdc1_pad_drv_on_cfg,
.off = sdc1_pad_drv_off_cfg,
.size = ARRAY_SIZE(sdc1_pad_drv_on_cfg)
},
[SDCC3] = {
.on = sdc3_pad_drv_on_cfg,
.off = sdc3_pad_drv_off_cfg,
.size = ARRAY_SIZE(sdc3_pad_drv_on_cfg)
},
};
static struct msm_mmc_pad_data mmc_pad_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.pull = &mmc_pad_pull_data[SDCC1],
.drv = &mmc_pad_drv_data[SDCC1]
},
[SDCC3] = {
.pull = &mmc_pad_pull_data[SDCC3],
.drv = &mmc_pad_drv_data[SDCC3]
},
};
static struct msm_mmc_gpio sdc2_gpio[] = {
{59, "sdc2_clk"},
{57, "sdc2_cmd"},
{62, "sdc2_dat_0"},
{61, "sdc2_dat_1"},
{60, "sdc2_dat_2"},
{58, "sdc2_dat_3"},
};
static struct msm_mmc_gpio sdc4_gpio[] = {
{68, "sdc4_clk"},
{67, "sdc4_cmd"},
{66, "sdc4_dat_0"},
{65, "sdc4_dat_1"},
{64, "sdc4_dat_2"},
{63, "sdc4_dat_3"},
};
static struct msm_mmc_gpio_data mmc_gpio_data[MAX_SDCC_CONTROLLER] = {
[SDCC2] = {
.gpio = sdc2_gpio,
.size = ARRAY_SIZE(sdc2_gpio),
},
[SDCC4] = {
.gpio = sdc4_gpio,
.size = ARRAY_SIZE(sdc4_gpio),
}
};
static struct msm_mmc_pin_data mmc_slot_pin_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.pad_data = &mmc_pad_data[SDCC1],
},
[SDCC2] = {
.is_gpio = 1,
.gpio_data = &mmc_gpio_data[SDCC2],
},
[SDCC3] = {
.pad_data = &mmc_pad_data[SDCC3],
},
[SDCC4] = {
.is_gpio = 1,
.gpio_data = &mmc_gpio_data[SDCC4],
},
};
#define MSM_MPM_PIN_SDC1_DAT1 17
#define MSM_MPM_PIN_SDC3_DAT1 21
#ifdef CONFIG_MMC_MSM_SDC1_SUPPORT
static unsigned int sdc1_sup_clk_rates[] = {
400000, 24000000, 48000000, 96000000
};
static struct mmc_platform_data sdc1_data = {
.ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
#ifdef CONFIG_MMC_MSM_SDC1_8_BIT_SUPPORT
.mmc_bus_width = MMC_CAP_8_BIT_DATA,
#else
.mmc_bus_width = MMC_CAP_4_BIT_DATA,
#endif
.sup_clk_table = sdc1_sup_clk_rates,
.sup_clk_cnt = ARRAY_SIZE(sdc1_sup_clk_rates),
.nonremovable = 1,
.pin_data = &mmc_slot_pin_data[SDCC1],
.vreg_data = &mmc_slot_vreg_data[SDCC1],
.uhs_caps = MMC_CAP_1_8V_DDR | MMC_CAP_UHS_DDR50,
.uhs_caps2 = MMC_CAP2_HS200_1_8V_SDR,
.mpm_sdiowakeup_int = MSM_MPM_PIN_SDC1_DAT1,
.msm_bus_voting_data = &sps_to_ddr_bus_voting_data,
};
static struct mmc_platform_data *apq8064_sdc1_pdata = &sdc1_data;
#else
static struct mmc_platform_data *apq8064_sdc1_pdata;
#endif
#ifdef CONFIG_MMC_MSM_SDC2_SUPPORT
static unsigned int sdc2_sup_clk_rates[] = {
400000, 24000000, 48000000
};
static struct mmc_platform_data sdc2_data = {
.ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
.mmc_bus_width = MMC_CAP_4_BIT_DATA,
.sup_clk_table = sdc2_sup_clk_rates,
.sup_clk_cnt = ARRAY_SIZE(sdc2_sup_clk_rates),
.pin_data = &mmc_slot_pin_data[SDCC2],
.sdiowakeup_irq = MSM_GPIO_TO_INT(61),
.msm_bus_voting_data = &sps_to_ddr_bus_voting_data,
};
static struct mmc_platform_data *apq8064_sdc2_pdata = &sdc2_data;
#else
static struct mmc_platform_data *apq8064_sdc2_pdata;
#endif
#ifdef CONFIG_MMC_MSM_SDC3_SUPPORT
static unsigned int sdc3_sup_clk_rates[] = {
400000, 24000000, 48000000, 96000000, 192000000
};
static struct mmc_platform_data sdc3_data = {
.ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
.mmc_bus_width = MMC_CAP_4_BIT_DATA,
.sup_clk_table = sdc3_sup_clk_rates,
.sup_clk_cnt = ARRAY_SIZE(sdc3_sup_clk_rates),
.pin_data = &mmc_slot_pin_data[SDCC3],
.vreg_data = &mmc_slot_vreg_data[SDCC3],
.wpswitch_gpio = PM8921_GPIO_PM_TO_SYS(17),
.is_wpswitch_active_low = true,
.status_gpio = 26,
.status_irq = MSM_GPIO_TO_INT(26),
.irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
.is_status_gpio_active_low = 1,
.xpc_cap = 1,
.uhs_caps = (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_DDR50 |
MMC_CAP_UHS_SDR104 | MMC_CAP_MAX_CURRENT_800),
.mpm_sdiowakeup_int = MSM_MPM_PIN_SDC3_DAT1,
.msm_bus_voting_data = &sps_to_ddr_bus_voting_data,
};
static struct mmc_platform_data *apq8064_sdc3_pdata = &sdc3_data;
#else
static struct mmc_platform_data *apq8064_sdc3_pdata;
#endif
#ifdef CONFIG_MMC_MSM_SDC4_SUPPORT
static unsigned int sdc4_sup_clk_rates[] = {
400000, 24000000, 48000000
};
static struct mmc_platform_data sdc4_data = {
.ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
.mmc_bus_width = MMC_CAP_4_BIT_DATA,
.sup_clk_table = sdc4_sup_clk_rates,
.sup_clk_cnt = ARRAY_SIZE(sdc4_sup_clk_rates),
.pin_data = &mmc_slot_pin_data[SDCC4],
.sdiowakeup_irq = MSM_GPIO_TO_INT(65),
.msm_bus_voting_data = &sps_to_ddr_bus_voting_data,
};
static struct mmc_platform_data *apq8064_sdc4_pdata = &sdc4_data;
#else
static struct mmc_platform_data *apq8064_sdc4_pdata;
#endif
void __init apq8064_init_mmc(void)
{
if (apq8064_sdc1_pdata)
apq8064_add_sdcc(1, apq8064_sdc1_pdata);
if (apq8064_sdc2_pdata)
apq8064_add_sdcc(2, apq8064_sdc2_pdata);
if (apq8064_sdc3_pdata) {
if (machine_is_mpq8064_hrd() || machine_is_mpq8064_dtv()) {
apq8064_sdc3_pdata->uhs_caps &= ~(MMC_CAP_UHS_SDR12 |
MMC_CAP_UHS_SDR25 | MMC_CAP_UHS_DDR50 |
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104);
}
if (!machine_is_apq8064_cdp()) {
apq8064_sdc3_pdata->wpswitch_gpio = 0;
apq8064_sdc3_pdata->is_wpswitch_active_low = false;
}
if (machine_is_mpq8064_cdp() || machine_is_mpq8064_hrd() ||
machine_is_mpq8064_dtv()) {
int rc;
struct pm_gpio sd_card_det_init_cfg = {
.direction = PM_GPIO_DIR_IN,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.pull = PM_GPIO_PULL_UP_30,
.vin_sel = PM_GPIO_VIN_S4,
.out_strength = PM_GPIO_STRENGTH_NO,
.function = PM_GPIO_FUNC_NORMAL,
};
apq8064_sdc3_pdata->status_gpio =
PM8921_GPIO_PM_TO_SYS(31);
apq8064_sdc3_pdata->status_irq =
PM8921_GPIO_IRQ(PM8921_IRQ_BASE, 31);
rc = pm8xxx_gpio_config(apq8064_sdc3_pdata->status_gpio,
&sd_card_det_init_cfg);
if (rc) {
pr_info("%s: SD_CARD_DET GPIO%d config "
"failed(%d)\n", __func__,
apq8064_sdc3_pdata->status_gpio, rc);
apq8064_sdc3_pdata->status_gpio = 0;
apq8064_sdc3_pdata->status_irq = 0;
}
}
if (machine_is_apq8064_cdp()) {
int i;
for (i = 0;
i < apq8064_sdc3_pdata->pin_data->pad_data->\
drv->size;
i++)
apq8064_sdc3_pdata->pin_data->pad_data->\
drv->on[i].val = GPIO_CFG_10MA;
}
if (machine_is_mpq8064_hrd() || machine_is_mpq8064_dtv()) {
apq8064_sdc3_pdata->pin_data->pad_data->\
drv->on[0].val = GPIO_CFG_16MA;
apq8064_sdc3_pdata->pin_data->pad_data->\
drv->on[1].val = GPIO_CFG_10MA;
apq8064_sdc3_pdata->pin_data->pad_data->\
drv->on[2].val = GPIO_CFG_10MA;
}
apq8064_add_sdcc(3, apq8064_sdc3_pdata);
}
if (apq8064_sdc4_pdata)
apq8064_add_sdcc(4, apq8064_sdc4_pdata);
}