From 5b8388a827c002c6c5e8da76bd99b66f1f26e92c Mon Sep 17 00:00:00 2001 From: Prabhakar Kushwaha Date: Tue, 23 Sep 2014 09:57:47 +0530 Subject: driver/mtd: Use generic timer API for FSL IFC, eLBC Freescale's flash control driver is using architecture specific timer API i.e. usec2ticks Replace usec2ticks with get_timer() (generic timer API) Signed-off-by: Prabhakar Kushwaha Acked-by: Scott Wood Reviewed-by: York Sun --- drivers/mtd/nand/fsl_elbc_nand.c | 8 ++++---- drivers/mtd/nand/fsl_ifc_nand.c | 21 ++++++++++----------- 2 files changed, 14 insertions(+), 15 deletions(-) diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 7e1e6ec78b..3372b64212 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -37,7 +37,6 @@ #define MAX_BANKS 8 #define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */ -#define FCM_TIMEOUT_MSECS 10 /* Maximum number of mSecs to wait for FCM */ #define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC) @@ -199,7 +198,8 @@ static int fsl_elbc_run_command(struct mtd_info *mtd) struct fsl_elbc_mtd *priv = chip->priv; struct fsl_elbc_ctrl *ctrl = priv->ctrl; fsl_lbc_t *lbc = ctrl->regs; - long long end_tick; + u32 timeo = (CONFIG_SYS_HZ * 10) / 1000; + u32 time_start; u32 ltesr; /* Setup the FMR[OP] to execute without write protection */ @@ -218,10 +218,10 @@ static int fsl_elbc_run_command(struct mtd_info *mtd) out_be32(&lbc->lsor, priv->bank); /* wait for FCM complete flag or timeout */ - end_tick = usec2ticks(FCM_TIMEOUT_MSECS * 1000) + get_ticks(); + time_start = get_timer(0); ltesr = 0; - while (end_tick > get_ticks()) { + while (get_timer(time_start) < timeo) { ltesr = in_be32(&lbc->ltesr); if (ltesr & LTESR_CC) break; diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 2f04c698d3..81b5070b54 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -26,8 +26,6 @@ #define MAX_BANKS CONFIG_SYS_FSL_IFC_BANK_COUNT #define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */ -#define IFC_TIMEOUT_MSECS 10 /* Maximum number of mSecs to wait for IFC - NAND Machine */ struct fsl_ifc_ctrl; @@ -292,7 +290,8 @@ static int fsl_ifc_run_command(struct mtd_info *mtd) struct fsl_ifc_mtd *priv = chip->priv; struct fsl_ifc_ctrl *ctrl = priv->ctrl; struct fsl_ifc *ifc = ctrl->regs; - long long end_tick; + u32 timeo = (CONFIG_SYS_HZ * 10) / 1000; + u32 time_start; u32 eccstat[4]; int i; @@ -304,9 +303,9 @@ static int fsl_ifc_run_command(struct mtd_info *mtd) IFC_NAND_SEQ_STRT_FIR_STRT); /* wait for NAND Machine complete flag or timeout */ - end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks(); + time_start = get_timer(0); - while (end_tick > get_ticks()) { + while (get_timer(time_start) < timeo) { ctrl->status = ifc_in32(&ifc->ifc_nand.nand_evter_stat); if (ctrl->status & IFC_NAND_EVTER_STAT_OPC) @@ -812,15 +811,16 @@ static int fsl_ifc_sram_init(uint32_t ver) struct fsl_ifc *ifc = ifc_ctrl->regs; uint32_t cs = 0, csor = 0, csor_8k = 0, csor_ext = 0; uint32_t ncfgr = 0; - long long end_tick; + u32 timeo = (CONFIG_SYS_HZ * 10) / 1000; + u32 time_start; if (ver > FSL_IFC_V1_1_0) { ncfgr = ifc_in32(&ifc->ifc_nand.ncfgr); ifc_out32(&ifc->ifc_nand.ncfgr, ncfgr | IFC_NAND_SRAM_INIT_EN); /* wait for SRAM_INIT bit to be clear or timeout */ - end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks(); - while (end_tick > get_ticks()) { + time_start = get_timer(0); + while (get_timer(time_start) < timeo) { ifc_ctrl->status = ifc_in32(&ifc->ifc_nand.nand_evter_stat); @@ -863,10 +863,9 @@ static int fsl_ifc_sram_init(uint32_t ver) /* start read seq */ ifc_out32(&ifc->ifc_nand.nandseq_strt, IFC_NAND_SEQ_STRT_FIR_STRT); - /* wait for NAND Machine complete flag or timeout */ - end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks(); + time_start = get_timer(0); - while (end_tick > get_ticks()) { + while (get_timer(time_start) < timeo) { ifc_ctrl->status = ifc_in32(&ifc->ifc_nand.nand_evter_stat); if (ifc_ctrl->status & IFC_NAND_EVTER_STAT_OPC) -- cgit v1.2.1