diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/fizz/mainboard.c | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/src/mainboard/google/fizz/mainboard.c b/src/mainboard/google/fizz/mainboard.c index 8bdab22d63..4e7f3165dc 100644 --- a/src/mainboard/google/fizz/mainboard.c +++ b/src/mainboard/google/fizz/mainboard.c @@ -28,10 +28,17 @@ #include <string.h> #include <vendorcode/google/chromeos/chromeos.h> -#define FIZZ_SKU_ID_I7_U42 0x4 -#define FIZZ_PL2_I7_U42 44 -#define FIZZ_PL2_OTHERS 29 -#define FIZZ_PSYSPL2_ALL 90 +#define FIZZ_SKU_ID_I7_U42 0x4 +#define FIZZ_SKU_ID_I5_U42 0x5 +#define FIZZ_SKU_ID_I3_U42 0x6 +#define FIZZ_SKU_ID_I7_U22 0x3 +#define FIZZ_SKU_ID_I5_U22 0x2 +#define FIZZ_SKU_ID_I3_U22 0x1 +#define FIZZ_SKU_ID_CEL_U22 0x0 +#define FIZZ_PL2_U42 44 +#define FIZZ_PL2_U22 29 +#define FIZZ_PSYSPL2_U22 65 +#define FIZZ_PSYSPL2_U42 90 /* * For type-C chargers, set PL2 to 90% of max power to account for * cable loss and FET Rdson loss in the path from the source. @@ -100,24 +107,43 @@ static uint8_t board_sku_id(void) * mainboard_set_power_limits * * Set Pl2 and SysPl2 values based on detected charger. + * If detected barrel jack, use values below based on SKU. + * +-------------+-----+---------+-------------------+ + * | sku_id | PL2 | PsysPL2 | Pmax (Prop = 48W) | + * +-------------+-----+---------+-------------------+ + * | i7 U42 | 44 | 90 | 119 | + * | i5 U42 | 44 | 90 | 119 | + * | i3 U42 | 44 | 90 | 119 | + * | i7 U22 | 29 | 65 | 91 | + * | i5 U22 | 29 | 65 | 91 | + * | i3 U22 | 29 | 65 | 91 | + * | celeron U22 | 29 | 65 | 91 | + * +-------------+-----+---------+-------------------+ */ static void mainboard_set_power_limits(u32 *pl2_val, u32 *psyspl2_val) { enum usb_chg_type type; u32 watts; u32 pl2, psyspl2; - int rv = google_chromeec_get_usb_pd_power_info(&type, &watts); + uint8_t sku = board_sku_id(); + const uint32_t u42_mask = (1 << FIZZ_SKU_ID_I7_U42) | + (1 << FIZZ_SKU_ID_I5_U42) | + (1 << FIZZ_SKU_ID_I3_U42); /* If we can't get charger info or not PD charger, assume barrel jack */ if (rv != 0 || type != USB_CHG_TYPE_PD) { /* using the barrel jack, get PL2 based on sku id */ - pl2 = FIZZ_PL2_OTHERS; - if (board_sku_id() == FIZZ_SKU_ID_I7_U42) - pl2 = FIZZ_PL2_I7_U42; - /* PsysPl2 same for all SKUs */ - psyspl2 = FIZZ_PSYSPL2_ALL; + pl2 = FIZZ_PL2_U22; + psyspl2 = FIZZ_PSYSPL2_U22; + /* Running a U42 SKU */ + if ((1 << sku) & u42_mask) { + pl2 = FIZZ_PL2_U42; + psyspl2 = FIZZ_PSYSPL2_U42; + } + } else { + /* Base on max value of adapter */ pl2 = GET_TYPEC_PL2(watts); psyspl2 = watts; } |