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-rw-r--r--src/mainboard/google/fizz/mainboard.c46
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;
}