Do not need to use rockchip_udelay after we can use systimer.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
drivers/ram/rockchip/sdram_rk322x.c | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/ram/rockchip/sdram_rk322x.c b/drivers/ram/rockchip/sdram_rk322x.c index cc3138b..c4da000 100644 --- a/drivers/ram/rockchip/sdram_rk322x.c +++ b/drivers/ram/rockchip/sdram_rk322x.c @@ -17,7 +17,6 @@ #include <asm/arch/grf_rk322x.h> #include <asm/arch/hardware.h> #include <asm/arch/sdram_rk322x.h> -#include <asm/arch/timer.h> #include <asm/arch/uart.h> #include <asm/arch/sdram_common.h> #include <asm/types.h> @@ -97,26 +96,26 @@ void phy_pctrl_reset(struct rk322x_cru *cru, 1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT | 1 << DDRPHY_SRST_SHIFT);
- rockchip_udelay(10); + udelay(10);
rk_clrreg(&cru->cru_softrst_con[5], 1 << DDRPHY_PSRST_SHIFT | 1 << DDRPHY_SRST_SHIFT); - rockchip_udelay(10); + udelay(10);
rk_clrreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT); - rockchip_udelay(10); + udelay(10);
clrbits_le32(&ddr_phy->ddrphy_reg[0], SOFT_RESET_MASK << SOFT_RESET_SHIFT); - rockchip_udelay(10); + udelay(10); setbits_le32(&ddr_phy->ddrphy_reg[0], SOFT_DERESET_ANALOG); - rockchip_udelay(5); + udelay(5); setbits_le32(&ddr_phy->ddrphy_reg[0], SOFT_DERESET_DIGITAL);
- rockchip_udelay(1); + udelay(1); }
void phy_dll_bypass_set(struct rk322x_ddr_phy *ddr_phy, u32 freq) @@ -155,7 +154,7 @@ static void send_command(struct rk322x_ddr_pctl *pctl, u32 rank, u32 cmd, u32 arg) { writel((START_CMD | (rank << 20) | arg | cmd), &pctl->mcmd); - rockchip_udelay(1); + udelay(1); while (readl(&pctl->mcmd) & START_CMD) ; } @@ -168,7 +167,7 @@ static void memory_init(struct chan_info *chan,
if (dramtype == DDR3) { send_command(pctl, 3, DESELECT_CMD, 0); - rockchip_udelay(1); + udelay(1); send_command(pctl, 3, PREA_CMD, 0); send_command(pctl, 3, MRS_CMD, (0x02 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT | @@ -197,17 +196,17 @@ static void memory_init(struct chan_info *chan, (0x63 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | (0 & LPDDR23_OP_MASK) << LPDDR23_OP_SHIFT); - rockchip_udelay(10); + udelay(10); send_command(pctl, 3, MRS_CMD, (0x10 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | (0xff & LPDDR23_OP_MASK) << LPDDR23_OP_SHIFT); - rockchip_udelay(1); + udelay(1); send_command(pctl, 3, MRS_CMD, (0x10 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | (0xff & LPDDR23_OP_MASK) << LPDDR23_OP_SHIFT); - rockchip_udelay(1); + udelay(1); send_command(pctl, 3, MRS_CMD, (1 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | (sdram_params->phy_timing.mr[1] & @@ -244,7 +243,7 @@ static u32 data_training(struct chan_info *chan) DQS_SQU_CAL_SEL_CS0); setbits_le32(&ddr_phy->ddrphy_reg[2], DQS_SQU_CAL_START);
- rockchip_udelay(30); + udelay(30); ret = readl(&ddr_phy->ddrphy_reg[0xff]);
clrbits_le32(&ddr_phy->ddrphy_reg[2], @@ -368,9 +367,9 @@ static void phy_softreset(struct dram_info *dram)
writel(GRF_DDRPHY_BUFFEREN_CORE_EN, &grf->soc_con[0]); clrbits_le32(&ddr_phy->ddrphy_reg[0], 0x3 << 2); - rockchip_udelay(1); + udelay(1); setbits_le32(&ddr_phy->ddrphy_reg[0], 1 << 2); - rockchip_udelay(5); + udelay(5); setbits_le32(&ddr_phy->ddrphy_reg[0], 1 << 3); writel(GRF_DDRPHY_BUFFEREN_CORE_DIS, &grf->soc_con[0]); }