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rockchip/rk3399: remove unneeded DDR restore function 

This removes the phy_dll_bypass_set function as it is unneeded. The
values that function sets are saved during suspend, so the proper
values will be restored on resume.

Change-Id: I17542206c56e639ce8cb6375233145167441d4e2
Signed-off-by: Derek Basehore <dbasehore@chromium.org>
This commit is contained in:
Derek Basehore 2017-05-06 23:22:23 -07:00 committed by Caesar Wang
parent 60400fc868
commit 7d1b3f5a9a
1 changed files with 0 additions and 26 deletions
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26
plat/rockchip/rk3399/drivers/dram/suspend.c
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@ -119,31 +119,6 @@ static __sramfunc void phy_pctrl_reset(uint32_t ch)
sram_udelay(10);
}
static __sramfunc void phy_dll_bypass_set(uint32_t ch, uint32_t hz)
{
if (hz <= 125 * MHz) {
/* phy_sw_master_mode_X PHY_86/214/342/470 4bits offset_8 */
mmio_setbits_32(PHY_REG(ch, 86), (0x3 << 2) << 8);
mmio_setbits_32(PHY_REG(ch, 214), (0x3 << 2) << 8);
mmio_setbits_32(PHY_REG(ch, 342), (0x3 << 2) << 8);
mmio_setbits_32(PHY_REG(ch, 470), (0x3 << 2) << 8);
/* phy_adrctl_sw_master_mode PHY_547/675/803 4bits offset_16 */
mmio_setbits_32(PHY_REG(ch, 547), (0x3 << 2) << 16);
mmio_setbits_32(PHY_REG(ch, 675), (0x3 << 2) << 16);
mmio_setbits_32(PHY_REG(ch, 803), (0x3 << 2) << 16);
} else {
/* phy_sw_master_mode_X PHY_86/214/342/470 4bits offset_8 */
mmio_clrbits_32(PHY_REG(ch, 86), (0x3 << 2) << 8);
mmio_clrbits_32(PHY_REG(ch, 214), (0x3 << 2) << 8);
mmio_clrbits_32(PHY_REG(ch, 342), (0x3 << 2) << 8);
mmio_clrbits_32(PHY_REG(ch, 470), (0x3 << 2) << 8);
/* phy_adrctl_sw_master_mode PHY_547/675/803 4bits offset_16 */
mmio_clrbits_32(PHY_REG(ch, 547), (0x3 << 2) << 16);
mmio_clrbits_32(PHY_REG(ch, 675), (0x3 << 2) << 16);
mmio_clrbits_32(PHY_REG(ch, 803), (0x3 << 2) << 16);
}
}
static __sramfunc void set_cs_training_index(uint32_t ch, uint32_t rank)
{
/* PHY_8/136/264/392 phy_per_cs_training_index_X 1bit offset_24 */
@ -721,7 +696,6 @@ __sramfunc void dmc_restore(void)
retry:
for (channel = 0; channel < sdram_params->num_channels; channel++) {
phy_pctrl_reset(channel);
phy_dll_bypass_set(channel, sdram_params->ddr_freq);
if (channel >= sdram_params->num_channels)
continue;