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mmc: zynq_sdhci: Read power-domains id from DT and use

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Firmware calls need node_id which is basically "power-domains" id.
At present static values are used based on the "device_id" property of
dt.
Instead of this, read "power-domains" id from dt and use it. Add a
element called node_id in priv structure and read it from dt. Replace
static node_id with this priv->node_id across the driver.

Since "device_id" is not used anywhere else simply remove it.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
Link: https://lore.kernel.org/r/20220930092548.18453-3-ashok.reddy.soma@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Ashok Reddy Soma 2022-09-30 03:25:47 -06:00 • committed by Michal Simek
parent cbdee4d5e8
commit aba0e6510f
1 changed files with 20 additions and 19 deletions
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39
drivers/mmc/zynq_sdhci.c
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@ -61,7 +61,7 @@ struct arasan_sdhci_plat {
struct arasan_sdhci_priv {
struct sdhci_host *host;
struct arasan_sdhci_clk_data clk_data;
u8 deviceid;
u32 node_id;
u8 bank;
u8 no_1p8;
struct reset_ctl_bulk resets;
@ -250,7 +250,6 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode)
struct sdhci_host *host;
struct arasan_sdhci_priv *priv = dev_get_priv(mmc->dev);
char tuning_loop_counter = SDHCI_TUNING_LOOP_COUNT;
u8 node_id = priv->deviceid ? NODE_SD_1 : NODE_SD_0;
dev_dbg(mmc->dev, "%s\n", __func__);
@ -262,7 +261,7 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode)
mdelay(1);
arasan_zynqmp_dll_reset(host, node_id);
arasan_zynqmp_dll_reset(host, priv->node_id);
sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE);
sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE);
@ -308,7 +307,7 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode)
}
udelay(1);
arasan_zynqmp_dll_reset(host, node_id);
arasan_zynqmp_dll_reset(host, priv->node_id);
/* Enable only interrupts served by the SD controller */
sdhci_writel(host, SDHCI_INT_DATA_MASK | SDHCI_INT_CMD_MASK,
@ -334,7 +333,6 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host,
struct mmc *mmc = (struct mmc *)host->mmc;
struct udevice *dev = mmc->dev;
struct arasan_sdhci_priv *priv = dev_get_priv(mmc->dev);
u8 node_id = priv->deviceid ? NODE_SD_1 : NODE_SD_0;
u8 tap_delay, tap_max = 0;
int timing = mode2timing[mmc->selected_mode];
int ret;
@ -374,14 +372,14 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host,
tap_delay &= SDHCI_ARASAN_OTAPDLY_SEL_MASK;
/* Set the Clock Phase */
ret = arasan_zynqmp_set_out_tapdelay(node_id, tap_delay);
ret = arasan_zynqmp_set_out_tapdelay(priv->node_id, tap_delay);
if (ret) {
dev_err(dev, "Error setting output Tap Delay\n");
return ret;
}
/* Release DLL Reset */
ret = zynqmp_dll_reset(node_id, PM_DLL_RESET_RELEASE);
ret = zynqmp_dll_reset(priv->node_id, PM_DLL_RESET_RELEASE);
if (ret) {
dev_err(dev, "dll_reset release failed with err: %d\n", ret);
return ret;
@ -405,7 +403,6 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host,
struct mmc *mmc = (struct mmc *)host->mmc;
struct udevice *dev = mmc->dev;
struct arasan_sdhci_priv *priv = dev_get_priv(mmc->dev);
u8 node_id = priv->deviceid ? NODE_SD_1 : NODE_SD_0;
u8 tap_delay, tap_max = 0;
int timing = mode2timing[mmc->selected_mode];
int ret;
@ -419,7 +416,7 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host,
return 0;
/* Assert DLL Reset */
ret = zynqmp_dll_reset(node_id, PM_DLL_RESET_ASSERT);
ret = zynqmp_dll_reset(priv->node_id, PM_DLL_RESET_ASSERT);
if (ret) {
dev_err(dev, "dll_reset assert failed with err: %d\n", ret);
return ret;
@ -451,7 +448,7 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host,
/* Limit input tap_delay value to 8 bits */
tap_delay &= SDHCI_ARASAN_ITAPDLY_SEL_MASK;
ret = arasan_zynqmp_set_in_tapdelay(node_id, tap_delay);
ret = arasan_zynqmp_set_in_tapdelay(priv->node_id, tap_delay);
if (ret) {
dev_err(dev, "Error setting Input Tap Delay\n");
return ret;
@ -717,14 +714,14 @@ static int sdhci_zynqmp_set_dynamic_config(struct arasan_sdhci_priv *priv,
struct udevice *dev)
{
int ret;
u32 node_id = priv->deviceid ? NODE_SD_1 : NODE_SD_0;
struct clk clk;
unsigned long clock, mhz;
ret = xilinx_pm_request(PM_REQUEST_NODE, node_id, ZYNQMP_PM_CAPABILITY_ACCESS,
ZYNQMP_PM_MAX_QOS, ZYNQMP_PM_REQUEST_ACK_NO, NULL);
ret = xilinx_pm_request(PM_REQUEST_NODE, priv->node_id,
ZYNQMP_PM_CAPABILITY_ACCESS, ZYNQMP_PM_MAX_QOS,
ZYNQMP_PM_REQUEST_ACK_NO, NULL);
if (ret) {
dev_err(dev, "Request node failed for %d\n", node_id);
dev_err(dev, "Request node failed for %d\n", priv->node_id);
return ret;
}
@ -743,13 +740,13 @@ static int sdhci_zynqmp_set_dynamic_config(struct arasan_sdhci_priv *priv,
return ret;
}
ret = zynqmp_pm_set_sd_config(node_id, SD_CONFIG_FIXED, 0);
ret = zynqmp_pm_set_sd_config(priv->node_id, SD_CONFIG_FIXED, 0);
if (ret) {
dev_err(dev, "SD_CONFIG_FIXED failed\n");
return ret;
}
ret = zynqmp_pm_set_sd_config(node_id, SD_CONFIG_EMMC_SEL,
ret = zynqmp_pm_set_sd_config(priv->node_id, SD_CONFIG_EMMC_SEL,
dev_read_bool(dev, "non-removable"));
if (ret) {
dev_err(dev, "SD_CONFIG_EMMC_SEL failed\n");
@ -779,13 +776,13 @@ static int sdhci_zynqmp_set_dynamic_config(struct arasan_sdhci_priv *priv,
else
mhz = 25;
ret = zynqmp_pm_set_sd_config(node_id, SD_CONFIG_BASECLK, mhz);
ret = zynqmp_pm_set_sd_config(priv->node_id, SD_CONFIG_BASECLK, mhz);
if (ret) {
dev_err(dev, "SD_CONFIG_BASECLK failed\n");
return ret;
}
ret = zynqmp_pm_set_sd_config(node_id, SD_CONFIG_8BIT,
ret = zynqmp_pm_set_sd_config(priv->node_id, SD_CONFIG_8BIT,
(dev_read_u32_default(dev, "bus-width", 1) == 8));
if (ret) {
dev_err(dev, "SD_CONFIG_8BIT failed\n");
@ -900,6 +897,7 @@ static int arasan_sdhci_probe(struct udevice *dev)
static int arasan_sdhci_of_to_plat(struct udevice *dev)
{
struct arasan_sdhci_priv *priv = dev_get_priv(dev);
u32 pm_info[2];
priv->host = calloc(1, sizeof(struct sdhci_host));
if (!priv->host)
@ -916,10 +914,13 @@ static int arasan_sdhci_of_to_plat(struct udevice *dev)
if (IS_ERR(priv->host->ioaddr))
return PTR_ERR(priv->host->ioaddr);
priv->deviceid = dev_read_u32_default(dev, "xlnx,device_id", -1);
priv->bank = dev_read_u32_default(dev, "xlnx,mio-bank", 0);
priv->no_1p8 = dev_read_bool(dev, "no-1-8-v");
priv->node_id = 0;
if (!dev_read_u32_array(dev, "power-domains", pm_info, ARRAY_SIZE(pm_info)))
priv->node_id = pm_info[1];
return 0;
}