diff options
Diffstat (limited to 'src/drivers/storage/sdhci_display.c')
-rw-r--r-- | src/drivers/storage/sdhci_display.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/src/drivers/storage/sdhci_display.c b/src/drivers/storage/sdhci_display.c deleted file mode 100644 index a1c1828873..0000000000 --- a/src/drivers/storage/sdhci_display.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright 2011, Marvell Semiconductor Inc. - * Lei Wen <leiwen@marvell.com> - * - * Copyright 2017 Intel Corporation - * - * Secure Digital (SD) Host Controller interface specific code - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * 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 <console/console.h> -#include <device/sd_mmc_ctrlr.h> -#include <device/sdhci.h> -#include <device/storage.h> -#include "sdhci.h" -#include "sd_mmc.h" -#include "storage.h" - -static void sdhci_display_bus_width(struct sdhci_ctrlr *sdhci_ctrlr) -{ - if (IS_ENABLED(CONFIG_SDHC_DEBUG)) { - int bits; - uint8_t host_ctrl; - uint16_t host2; - const char *rate; - uint16_t timing; - - /* Display the bus width */ - host_ctrl = sdhci_readb(sdhci_ctrlr, SDHCI_HOST_CONTROL); - host2 = sdhci_readw(sdhci_ctrlr, SDHCI_HOST_CONTROL2); - timing = host2 & SDHCI_CTRL_UHS_MASK; - bits = 1; - if (host_ctrl & SDHCI_CTRL_8BITBUS) - bits = 8; - else if (host_ctrl & SDHCI_CTRL_4BITBUS) - bits = 4; - rate = "SDR"; - if ((timing == SDHCI_CTRL_UHS_DDR50) - || (timing == SDHCI_CTRL_HS400)) - rate = "DDR"; - sdhc_debug("SDHCI bus width: %d bit%s %s\n", bits, - (bits != 1) ? "s" : "", rate); - } -} - -static void sdhci_display_clock(struct sdhci_ctrlr *sdhci_ctrlr) -{ - if (IS_ENABLED(CONFIG_SDHC_DEBUG)) { - uint16_t clk_ctrl; - uint32_t clock; - uint32_t divisor; - - /* Display the clock */ - clk_ctrl = sdhci_readw(sdhci_ctrlr, SDHCI_CLOCK_CONTROL); - sdhc_debug("SDHCI bus clock: "); - if (clk_ctrl & SDHCI_CLOCK_CARD_EN) { - divisor = (clk_ctrl >> SDHCI_DIVIDER_SHIFT) - & SDHCI_DIV_MASK; - divisor |= ((clk_ctrl >> SDHCI_DIVIDER_SHIFT) - << SDHCI_DIV_MASK_LEN) & SDHCI_DIV_HI_MASK; - divisor <<= 1; - clock = sdhci_ctrlr->sd_mmc_ctrlr.clock_base; - if (divisor) - clock /= divisor; - sdhc_debug("%d.%03d MHz\n", clock / 1000000, - (clock / 1000) % 1000); - } else - sdhc_debug("Off\n"); - } -} - -static void sdhci_display_voltage(struct sdhci_ctrlr *sdhci_ctrlr) -{ - if (IS_ENABLED(CONFIG_SDHC_DEBUG)) { - u8 pwr_ctrl; - const char *voltage; - const char *voltage_table[8] = { - "Unknown", /* 0 */ - "Unknown", /* 1 */ - "Unknown", /* 2 */ - "Unknown", /* 3 */ - "Unknown", /* 4 */ - "1.8", /* 5 */ - "3.0", /* 6 */ - "3.3", /* 7 */ - }; - - pwr_ctrl = sdhci_readb(sdhci_ctrlr, SDHCI_POWER_CONTROL); - if (pwr_ctrl & SDHCI_POWER_ON) { - voltage = voltage_table[(pwr_ctrl & SDHCI_POWER_330) - >> 1]; - sdhc_debug("SDHCI voltage: %s Volts\n", voltage); - } else - sdhc_debug("SDHCI voltage: Off\n"); - } -} - -void sdhci_display_setup(struct sdhci_ctrlr *sdhci_ctrlr) -{ - /* Display the controller setup */ - sdhci_display_voltage(sdhci_ctrlr); - sdhci_display_clock(sdhci_ctrlr); - sdhci_display_bus_width(sdhci_ctrlr); -} |