diff --git a/board/xilinx/zynqmp/tap_delays.c b/board/xilinx/zynqmp/tap_delays.c index 13683701f6..1cab25f00a 100644 --- a/board/xilinx/zynqmp/tap_delays.c +++ b/board/xilinx/zynqmp/tap_delays.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -26,34 +27,9 @@ #define SD1_ITAPDLYENA_MASK 0x01000000 #define SD1_ITAPDLYENA 0x01000000 #define SD0_ITAPDLYSEL_MASK 0x000000FF -#define SD0_ITAPDLYSEL_HSD 0x00000015 -#define SD0_ITAPDLYSEL_SD_DDR50 0x0000003D -#define SD0_ITAPDLYSEL_MMC_DDR50 0x00000012 - #define SD1_ITAPDLYSEL_MASK 0x00FF0000 -#define SD1_ITAPDLYSEL_HSD 0x00150000 -#define SD1_ITAPDLYSEL_SD_DDR50 0x003D0000 -#define SD1_ITAPDLYSEL_MMC_DDR50 0x00120000 - #define SD0_OTAPDLYSEL_MASK 0x0000003F -#define SD0_OTAPDLYSEL_MMC_HSD 0x00000006 -#define SD0_OTAPDLYSEL_SD_HSD 0x00000005 -#define SD0_OTAPDLYSEL_SDR50 0x00000003 -#define SD0_OTAPDLYSEL_SDR104_B0 0x00000003 -#define SD0_OTAPDLYSEL_SDR104_B2 0x00000002 -#define SD0_OTAPDLYSEL_SD_DDR50 0x00000004 -#define SD0_OTAPDLYSEL_MMC_DDR50 0x00000006 - #define SD1_OTAPDLYSEL_MASK 0x003F0000 -#define SD1_OTAPDLYSEL_MMC_HSD 0x00060000 -#define SD1_OTAPDLYSEL_SD_HSD 0x00050000 -#define SD1_OTAPDLYSEL_SDR50 0x00030000 -#define SD1_OTAPDLYSEL_SDR104_B0 0x00030000 -#define SD1_OTAPDLYSEL_SDR104_B2 0x00020000 -#define SD1_OTAPDLYSEL_SD_DDR50 0x00040000 -#define SD1_OTAPDLYSEL_MMC_DDR50 0x00060000 - -#define MMC_BANK2 0x2 void zynqmp_dll_reset(u8 deviceid) { @@ -74,149 +50,49 @@ void zynqmp_dll_reset(u8 deviceid) zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0); } -static void arasan_zynqmp_tap_sdr104(u8 deviceid, u8 timing, u8 bank) +void arasan_zynqmp_set_tapdelay(u8 deviceid, u32 itap_delay, u32 otap_delay) { if (deviceid == 0) { - /* Program OTAP */ - if (bank == MMC_BANK2) - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, - SD0_OTAPDLYSEL_SDR104_B2); - else - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, - SD0_OTAPDLYSEL_SDR104_B0); - } else { - /* Program OTAP */ - if (bank == MMC_BANK2) - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - SD1_OTAPDLYSEL_SDR104_B2); - else - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - SD1_OTAPDLYSEL_SDR104_B0); - } -} - -static void arasan_zynqmp_tap_hs(u8 deviceid, u8 timing, u8 bank) -{ - if (deviceid == 0) { - /* Program ITAP */ - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, - SD0_ITAPCHGWIN); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYENA_MASK, - SD0_ITAPDLYENA); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYSEL_MASK, - SD0_ITAPDLYSEL_HSD); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, 0x0); - /* Program OTAP */ - if (timing == MMC_TIMING_MMC_HS) - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, - SD0_OTAPDLYSEL_MMC_HSD); - else - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, - SD0_OTAPDLYSEL_SD_HSD); - } else { - /* Program ITAP */ - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, - SD1_ITAPCHGWIN); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYENA_MASK, - SD1_ITAPDLYENA); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK, - SD1_ITAPDLYSEL_HSD); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, 0x0); - /* Program OTAP */ - if (timing == MMC_TIMING_MMC_HS) - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - SD1_OTAPDLYSEL_MMC_HSD); - else - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - SD1_OTAPDLYSEL_SD_HSD); - } -} - -static void arasan_zynqmp_tap_ddr50(u8 deviceid, u8 timing, u8 bank) -{ - if (deviceid == 0) { - /* Program ITAP */ - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, - SD0_ITAPCHGWIN); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYENA_MASK, - SD0_ITAPDLYENA); - if (timing == MMC_TIMING_UHS_DDR50) - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYSEL_MASK, - SD0_ITAPDLYSEL_SD_DDR50); - else - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYSEL_MASK, - SD0_ITAPDLYSEL_MMC_DDR50); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, 0x0); - /* Program OTAP */ - if (timing == MMC_TIMING_UHS_DDR50) - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, - SD0_OTAPDLYSEL_SD_DDR50); - else - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, - SD0_OTAPDLYSEL_MMC_DDR50); - } else { - /* Program ITAP */ - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, - SD1_ITAPCHGWIN); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYENA_MASK, - SD1_ITAPDLYENA); - if (timing == MMC_TIMING_UHS_DDR50) - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK, - SD1_ITAPDLYSEL_SD_DDR50); - else - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK, - SD1_ITAPDLYSEL_MMC_DDR50); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, 0x0); - /* Program OTAP */ - if (timing == MMC_TIMING_UHS_DDR50) - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - SD1_OTAPDLYSEL_SD_DDR50); - else - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - SD1_OTAPDLYSEL_MMC_DDR50); - } -} - -static void arasan_zynqmp_tap_sdr50(u8 deviceid, u8 timing, u8 bank) -{ - if (deviceid == 0) { - /* Program OTAP */ - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, - SD0_OTAPDLYSEL_SDR50); - } else { - /* Program OTAP */ - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - SD1_OTAPDLYSEL_SDR50); - } -} - -void arasan_zynqmp_set_tapdelay(u8 deviceid, u8 timing, u8 bank) -{ - if (deviceid == 0) zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, SD0_DLL_RST); - else + /* Program ITAP */ + if (itap_delay) { + zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, + SD0_ITAPCHGWIN); + zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYENA_MASK, + SD0_ITAPDLYENA); + zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYSEL_MASK, + itap_delay); + zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, + 0x0); + } + + /* Program OTAP */ + if (otap_delay) + zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, + otap_delay); + + zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, 0x0); + } else { zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, SD1_DLL_RST); + /* Program ITAP */ + if (itap_delay) { + zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, + SD1_ITAPCHGWIN); + zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYENA_MASK, + SD1_ITAPDLYENA); + zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK, + (itap_delay << 16)); + zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, + 0x0); + } - switch (timing) { - case MMC_TIMING_UHS_SDR25: - arasan_zynqmp_tap_hs(deviceid, timing, bank); - break; - case MMC_TIMING_UHS_SDR50: - arasan_zynqmp_tap_sdr50(deviceid, timing, bank); - break; - case MMC_TIMING_UHS_SDR104: - case MMC_TIMING_MMC_HS200: - arasan_zynqmp_tap_sdr104(deviceid, timing, bank); - break; - case MMC_TIMING_UHS_DDR50: - arasan_zynqmp_tap_ddr50(deviceid, timing, bank); - break; - } + /* Program OTAP */ + if (otap_delay) + zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, + (otap_delay << 16)); - if (deviceid == 0) - zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, 0x0); - else zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0); + } } diff --git a/include/zynqmp_tap_delay.h b/include/zynqmp_tap_delay.h index b07e3e0692..7b713438f7 100644 --- a/include/zynqmp_tap_delay.h +++ b/include/zynqmp_tap_delay.h @@ -10,10 +10,11 @@ #ifdef CONFIG_ARCH_ZYNQMP void zynqmp_dll_reset(u8 deviceid); -void arasan_zynqmp_set_tapdelay(u8 device_id, u8 uhsmode, u8 bank); +void arasan_zynqmp_set_tapdelay(u8 device_id, u32 itap_delay, u32 otap_delay); #else inline void zynqmp_dll_reset(u8 deviceid) {} -inline void arasan_zynqmp_set_tapdelay(u8 device_id, u8 uhsmode, u8 bank) {} +inline void arasan_zynqmp_set_tapdelay(u8 device_id, u32 itap_delay, + u32 otap_delay) {} #endif #endif