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rockchip: rk3036: sdram: use udelay instead of rockchip_udelay 

We are going to remove rockchip_udelay after enable arch timer.

Change-Id: I8c7eea8315a42401d0fd7dbf1e4c812b5605bc73
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Kever Yang 2018-01-20 22:05:30 +08:00
parent f484cfe287
commit afb735a686
1 changed files with 9 additions and 10 deletions
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19
arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
View File

@ -10,7 +10,6 @@
#include <asm/arch/grf_rk3036.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sdram_rk3036.h>
#include <asm/arch/timer.h>
#include <asm/arch/uart.h>
/*
@ -345,7 +344,7 @@ static void rkdclk_init(struct rk3036_sdram_priv *priv)
/* waiting for pll lock */
while (readl(&pll->con1) & (1 << PLL_LOCK_STATUS_SHIFT))
rockchip_udelay(1);
udelay(1);
/* PLL enter normal-mode */
rk_clrsetreg(&priv->cru->cru_mode_con, DPLL_MODE_MASK,
@ -373,25 +372,25 @@ void phy_pctrl_reset(struct rk3036_sdram_priv *priv)
1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT |
1 << DDRPHY_PSRST_SHIFT | 1 << DDRPHY_SRST_SHIFT);
rockchip_udelay(10);
udelay(10);
rk_clrreg(&priv->cru->cru_softrst_con[5], 1 << DDRPHY_PSRST_SHIFT |
1 << DDRPHY_SRST_SHIFT);
rockchip_udelay(10);
udelay(10);
rk_clrreg(&priv->cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
1 << DDRCTRL_SRST_SHIFT);
rockchip_udelay(10);
udelay(10);
clrsetbits_le32(&ddr_phy->ddrphy_reg1,
SOFT_RESET_MASK << SOFT_RESET_SHIFT,
0 << SOFT_RESET_SHIFT);
rockchip_udelay(10);
udelay(10);
clrsetbits_le32(&ddr_phy->ddrphy_reg1,
SOFT_RESET_MASK << SOFT_RESET_SHIFT,
3 << SOFT_RESET_SHIFT);
rockchip_udelay(1);
udelay(1);
}
void phy_dll_bypass_set(struct rk3036_sdram_priv *priv, unsigned int freq)
@ -444,7 +443,7 @@ static void send_command(struct rk3036_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)
;
}
@ -454,7 +453,7 @@ static void memory_init(struct rk3036_sdram_priv *priv)
struct rk3036_ddr_pctl *pctl = priv->pctl;
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 |
@ -492,7 +491,7 @@ static void data_training(struct rk3036_sdram_priv *priv)
clrsetbits_le32(&ddr_phy->ddrphy_reg2, 0x03,
DQS_SQU_CAL_NORMAL_MODE | DQS_SQU_CAL_START);
rockchip_udelay(1);
udelay(1);
while ((readl(&ddr_phy->ddrphy_reg62) & CAL_DONE_MASK) !=
(HIGH_8BIT_CAL_DONE | LOW_8BIT_CAL_DONE)) {
;