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mmc: Define timing macro's

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Define timing macro's for all the available speeds of mmc. This is
done similar to linux. Replace speed macro's used with these new timing
macro's wherever applicable.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ashok Reddy Soma 2020-10-23 04:58:58 -06:00 committed by Michal Simek
parent 7a49a16ec5
commit 17a42abb40
3 changed files with 25 additions and 22 deletions
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10
board/xilinx/zynqmp/tap_delays.c
View file

@ -8,6 +8,7 @@
#include <common.h>
#include <asm/arch/sys_proto.h>
#include <linux/delay.h>
#include <mmc.h>
#define SD_DLL_CTRL 0xFF180358
#define SD_ITAP_DLY 0xFF180314
@ -54,15 +55,6 @@
#define MMC_BANK2 0x2
#define MMC_TIMING_UHS_SDR25 1
#define MMC_TIMING_UHS_SDR50 2
#define MMC_TIMING_UHS_SDR104 3
#define MMC_TIMING_UHS_DDR50 4
#define MMC_TIMING_MMC_HS200 5
#define MMC_TIMING_SD_HS 6
#define MMC_TIMING_MMC_DDR52 7
#define MMC_TIMING_MMC_HS 8
void zynqmp_dll_reset(u8 deviceid)
{
/* Issue DLL Reset */

24
drivers/mmc/zynq_sdhci.c
View file

@ -32,20 +32,18 @@ struct arasan_sdhci_priv {
};
#if defined(CONFIG_ARCH_ZYNQMP)
#define MMC_HS200_BUS_SPEED 5
static const u8 mode2timing[] = {
[MMC_LEGACY] = UHS_SDR12_BUS_SPEED,
[MMC_HS] = HIGH_SPEED_BUS_SPEED,
[SD_HS] = HIGH_SPEED_BUS_SPEED,
[MMC_HS_52] = HIGH_SPEED_BUS_SPEED,
[MMC_DDR_52] = HIGH_SPEED_BUS_SPEED,
[UHS_SDR12] = UHS_SDR12_BUS_SPEED,
[UHS_SDR25] = UHS_SDR25_BUS_SPEED,
[UHS_SDR50] = UHS_SDR50_BUS_SPEED,
[UHS_DDR50] = UHS_DDR50_BUS_SPEED,
[UHS_SDR104] = UHS_SDR104_BUS_SPEED,
[MMC_HS_200] = MMC_HS200_BUS_SPEED,
[MMC_LEGACY] = MMC_TIMING_LEGACY,
[MMC_HS] = MMC_TIMING_MMC_HS,
[SD_HS] = MMC_TIMING_SD_HS,
[MMC_HS_52] = MMC_TIMING_UHS_SDR50,
[MMC_DDR_52] = MMC_TIMING_UHS_DDR50,
[UHS_SDR12] = MMC_TIMING_UHS_SDR12,
[UHS_SDR25] = MMC_TIMING_UHS_SDR25,
[UHS_SDR50] = MMC_TIMING_UHS_SDR50,
[UHS_DDR50] = MMC_TIMING_UHS_DDR50,
[UHS_SDR104] = MMC_TIMING_UHS_SDR104,
[MMC_HS_200] = MMC_TIMING_MMC_HS200,
};
#define SDHCI_TUNING_LOOP_COUNT 40

13
include/mmc.h
View file

@ -360,6 +360,19 @@ enum mmc_voltage {
#define MMC_NUM_BOOT_PARTITION 2
#define MMC_PART_RPMB 3 /* RPMB partition number */
/* timing specification used */
#define MMC_TIMING_LEGACY 0
#define MMC_TIMING_MMC_HS 1
#define MMC_TIMING_SD_HS 2
#define MMC_TIMING_UHS_SDR12 3
#define MMC_TIMING_UHS_SDR25 4
#define MMC_TIMING_UHS_SDR50 5
#define MMC_TIMING_UHS_SDR104 6
#define MMC_TIMING_UHS_DDR50 7
#define MMC_TIMING_MMC_DDR52 8
#define MMC_TIMING_MMC_HS200 9
#define MMC_TIMING_MMC_HS400 10
/* Driver model support */
/**