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Code Issues Releases Activity

fusee: make SDMMC debug printing more manageable

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This commit is contained in:
Kate J. Temkin 2018-05-04 03:38:25 -06:00
parent 0120b9ce52
commit 010ba9248c
1 changed files with 47 additions and 13 deletions
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60
fusee/fusee-primary/src/sdmmc.c
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@ -393,11 +393,11 @@ enum sdmmc_ext_csd_extents {
};
/* Forward declarations. */
static int sdmmc_switch_mode(struct mmc *mmc, enum sdmmc_switch_access_mode mode, enum sdmmc_switch_field field, uint16_t value, uint32_t timeout);
/* SDMMC debug enable */
static int sdmmc_loglevel = 0;
/**
* Page-aligned bounce buffer to target with SDMMC DMA.
@ -406,22 +406,59 @@ static int sdmmc_switch_mode(struct mmc *mmc, enum sdmmc_switch_access_mode mode
static uint8_t ALIGN(4096) sdmmc_bounce_buffer[4096 * 4];
static const uint16_t sdmmc_bounce_dma_boundary = MMC_DMA_BOUNDARY_16K;
/**
* Debug print for SDMMC information.
* Sets the current SDMMC debugging loglevel.
*
* @param loglevel Current log level. A higher value prints more logs.
*/
void mmc_print(struct mmc *mmc, char *fmt, ...)
void sdmmc_set_loglevel(int loglevel)
{
va_list list;
sdmmc_loglevel = loglevel;
}
// TODO: check SDMMC log level before printing
va_start(list, fmt);
/**
* Internal utility function for generating debug prints at various log levels.
*/
static void mmc_vprint(struct mmc *mmc, char *fmt, int required_loglevel, va_list list)
{
// Allow debug prints to be silenced by a negative loglevel.
if (sdmmc_loglevel < required_loglevel)
return;
printk("%s: ", mmc->name);
vprintk(fmt, list);
printk("\n");
}
/**
* Normal SDMMC print for SDMMC information.
*/
static void mmc_print(struct mmc *mmc, char *fmt, ...)
{
va_list list;
va_start(list, fmt);
mmc_vprint(mmc, fmt, 0, list);
va_end(list);
}
/**
* Normal SDMMC print for SDMMC information.
*/
static void mmc_debug(struct mmc *mmc, char *fmt, ...)
{
va_list list;
va_start(list, fmt);
mmc_vprint(mmc, fmt, 1, list);
va_end(list);
}
/**
* @return a statically allocated string that describes the given command
*/
@ -509,8 +546,6 @@ static int sdmmc4_hardware_init(struct mmc *mmc)
volatile struct tegra_padctl *padctl = padctl_get_regs();
(void)mmc;
mmc_print(mmc, "enabling eMMC card");
// Put SDMMC4 in reset
car->rst_dev_l_set |= 0x8000;
@ -863,7 +898,6 @@ static int sdmmc_hardware_init(struct mmc *mmc)
return ENODEV;
}
mmc_print(mmc, "initialized.");
return 0;
}
@ -1368,7 +1402,7 @@ static int sdmmc_send_command(struct mmc *mmc, enum sdmmc_command command,
// (This is mostly for when the GIC is brought up)
sdmmc_enable_interrupts(mmc, false);
mmc_print(mmc, "completed %s.", sdmmc_get_command_string(command));
mmc_debug(mmc, "completed %s.", sdmmc_get_command_string(command));
return 0;
}
@ -1879,7 +1913,7 @@ static int sdmmc_mmc_card_init(struct mmc *mmc)
{
int rc;
mmc_print(mmc, "setting up card as MMC");
mmc_debug(mmc, "setting up card as MMC");
// Bring the bus out of its idle state.
rc = sdmmc_send_simple_command(mmc, CMD_GO_IDLE_OR_INIT, MMC_RESPONSE_NONE, 0, NULL);
@ -1951,7 +1985,7 @@ static int sdmmc_sd_card_init(struct mmc *mmc)
int rc;
uint32_t ocr, response;
mmc_print(mmc, "setting up card as SD");
mmc_debug(mmc, "setting up card as SD");
// Bring the bus out of its idle state.
rc = sdmmc_send_simple_command(mmc, CMD_GO_IDLE_OR_INIT, MMC_RESPONSE_NONE, 0, NULL);