diff options
Diffstat (limited to 'drivers/mmc/mtk-sd.c')
| -rw-r--r-- | drivers/mmc/mtk-sd.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index 296aaee7331..d676cf9e314 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -7,7 +7,6 @@ */ #include <clk.h> -#include <common.h> #include <dm.h> #include <mmc.h> #include <errno.h> @@ -336,6 +335,7 @@ struct msdc_compatible { bool enhance_rx; bool builtin_pad_ctrl; bool default_pad_dly; + bool use_internal_cd; }; struct msdc_delay_phase { @@ -366,6 +366,10 @@ struct msdc_host { struct clk src_clk_cg; /* optional, MSDC source clock control gate */ struct clk h_clk; /* MSDC core clock */ + /* upstream linux clock */ + struct clk axi_cg_clk; /* optional, AXI clock */ + struct clk ahb_cg_clk; /* optional, AHB clock */ + u32 src_clk_freq; /* source clock */ u32 mclk; /* mmc framework required bus clock */ u32 sclk; /* actual calculated bus clock */ @@ -1011,7 +1015,7 @@ static int msdc_ops_get_wp(struct udevice *dev) #endif } -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) static u32 test_delay_bit(u32 delay, u32 bit) { bit %= PAD_DELAY_MAX; @@ -1627,7 +1631,6 @@ static void msdc_init_hw(struct msdc_host *host) clrsetbits_le32(&host->base->sdc_cfg, SDC_CFG_DTOC_M, 3 << SDC_CFG_DTOC_S); - host->def_tune_para.iocon = readl(&host->base->msdc_iocon); host->def_tune_para.pad_tune = readl(&host->base->pad_tune); } @@ -1638,6 +1641,11 @@ static void msdc_ungate_clock(struct msdc_host *host) clk_enable(&host->h_clk); if (host->src_clk_cg.dev) clk_enable(&host->src_clk_cg); + + if (host->axi_cg_clk.dev) + clk_enable(&host->axi_cg_clk); + if (host->ahb_cg_clk.dev) + clk_enable(&host->ahb_cg_clk); } static int msdc_drv_probe(struct udevice *dev) @@ -1651,6 +1659,9 @@ static int msdc_drv_probe(struct udevice *dev) host->dev_comp = (struct msdc_compatible *)dev_get_driver_data(dev); + if (host->dev_comp->use_internal_cd) + host->builtin_cd = 1; + host->src_clk_freq = clk_get_rate(&host->src_clk); if (host->dev_comp->clk_div_bits == 8) @@ -1716,18 +1727,31 @@ static int msdc_of_to_plat(struct udevice *dev) clk_get_by_name(dev, "source_cg", &host->src_clk_cg); /* optional */ + /* upstream linux clock */ + clk_get_by_name(dev, "axi_cg", &host->axi_cg_clk); /* optional */ + clk_get_by_name(dev, "ahb_cg", &host->ahb_cg_clk); /* optional */ + #if CONFIG_IS_ENABLED(DM_GPIO) gpio_request_by_name(dev, "wp-gpios", 0, &host->gpio_wp, GPIOD_IS_IN); gpio_request_by_name(dev, "cd-gpios", 0, &host->gpio_cd, GPIOD_IS_IN); #endif host->hs400_ds_delay = dev_read_u32_default(dev, "hs400-ds-delay", 0); - host->hs200_cmd_int_delay = - dev_read_u32_default(dev, "cmd_int_delay", 0); + if (dev_read_u32(dev, "mediatek,hs200-cmd-int-delay", + &host->hs200_cmd_int_delay)) + host->hs200_cmd_int_delay = + dev_read_u32_default(dev, "cmd_int_delay", 0); + host->hs200_write_int_delay = dev_read_u32_default(dev, "write_int_delay", 0); - host->latch_ck = dev_read_u32_default(dev, "latch-ck", 0); + + if (dev_read_u32(dev, "mediatek,latch-ck", &host->latch_ck)) + host->latch_ck = dev_read_u32_default(dev, "latch-ck", 0); + host->r_smpl = dev_read_u32_default(dev, "r_smpl", 0); + if (dev_read_bool(dev, "mediatek,hs400-cmd-resp-sel-rising")) + host->r_smpl = 1; + host->builtin_cd = dev_read_u32_default(dev, "builtin-cd", 0); host->cd_active_high = dev_read_bool(dev, "cd-active-high"); @@ -1760,7 +1784,7 @@ static const struct dm_mmc_ops msdc_ops = { .set_ios = msdc_ops_set_ios, .get_cd = msdc_ops_get_cd, .get_wp = msdc_ops_get_wp, -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) .execute_tuning = msdc_execute_tuning, #endif .wait_dat0 = msdc_ops_wait_dat0, @@ -1776,6 +1800,7 @@ static const struct msdc_compatible mt7620_compat = { .enhance_rx = false, .builtin_pad_ctrl = true, .default_pad_dly = true, + .use_internal_cd = true, }; static const struct msdc_compatible mt7621_compat = { @@ -1806,7 +1831,7 @@ static const struct msdc_compatible mt7623_compat = { .data_tune = true, .busy_check = false, .stop_clk_fix = false, - .enhance_rx = false + .enhance_rx = false, }; static const struct msdc_compatible mt7986_compat = { |