diff options
Diffstat (limited to 'src/soc/rockchip/rk3399/sdram.c')
| -rw-r--r-- | src/soc/rockchip/rk3399/sdram.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/soc/rockchip/rk3399/sdram.c b/src/soc/rockchip/rk3399/sdram.c index 945c0bca85..9ff1294bcd 100644 --- a/src/soc/rockchip/rk3399/sdram.c +++ b/src/soc/rockchip/rk3399/sdram.c @@ -936,23 +936,38 @@ static void switch_to_phy_index1(const struct rk3399_sdram_params *sdram_params) { u32 channel; u32 *denali_phy; + struct stopwatch sw; u32 ch_count = sdram_params->num_channels; + stopwatch_init_msecs_expire(&sw, 100); write32(&rk3399_ddr_cic->cic_ctrl0, RK_CLRSETBITS(0x03 << 4 | 1 << 2 | 1, 1 << 4 | 1 << 2 | 1)); - while (!(read32(&rk3399_ddr_cic->cic_status0) & (1 << 2))) - ; + while (!(read32(&rk3399_ddr_cic->cic_status0) & (1 << 2))) { + if (stopwatch_expired(&sw)) { + printk(BIOS_ERR, + "index1 frequency change overtime, reset\n"); + hard_reset(); + } + } + stopwatch_init_msecs_expire(&sw, 100); write32(&rk3399_ddr_cic->cic_ctrl0, RK_CLRSETBITS(1 << 1, 1 << 1)); - while (!(read32(&rk3399_ddr_cic->cic_status0) & (1 << 0))) - ; + while (!(read32(&rk3399_ddr_cic->cic_status0) & (1 << 0))) { + if (stopwatch_expired(&sw)) { + printk(BIOS_ERR, + "index1 frequency done overtime, reset\n"); + hard_reset(); + } + } for (channel = 0; channel < ch_count; channel++) { denali_phy = rk3399_ddr_publ[channel]->denali_phy; clrsetbits_le32(&denali_phy[896], (0x3 << 8) | 1, 1 << 8); - if (data_training(channel, sdram_params, PI_FULL_TARINING)) - printk(BIOS_DEBUG, "training failed\n"); + if (data_training(channel, sdram_params, PI_FULL_TARINING)) { + printk(BIOS_ERR, "index1 training failed, reset\n"); + hard_reset(); + } } } |