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Diffstat (limited to 'hw/sd/sd.c')
-rw-r--r--hw/sd/sd.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 3e1f7e5..5044a30 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -47,8 +47,6 @@
//#define DEBUG_SD 1
-#define ACMD41_ENQUIRY_MASK 0x00ffffff
-
typedef enum {
sd_r0 = 0, /* no response */
sd_r1, /* normal response command */
@@ -272,13 +270,26 @@ static uint16_t sd_crc16(void *message, size_t width)
#define OCR_POWER_DELAY_NS 500000 /* 0.5ms */
+FIELD(OCR, VDD_VOLTAGE_WINDOW, 0, 24)
+FIELD(OCR, VDD_VOLTAGE_WIN_LO, 0, 8)
+FIELD(OCR, DUAL_VOLTAGE_CARD, 7, 1)
+FIELD(OCR, VDD_VOLTAGE_WIN_HI, 8, 16)
+FIELD(OCR, ACCEPT_SWITCH_1V8, 24, 1) /* Only UHS-I */
+FIELD(OCR, UHS_II_CARD, 29, 1) /* Only UHS-II */
FIELD(OCR, CARD_CAPACITY, 30, 1) /* 0:SDSC, 1:SDHC/SDXC */
FIELD(OCR, CARD_POWER_UP, 31, 1)
+#define ACMD41_ENQUIRY_MASK 0x00ffffff
+#define ACMD41_R3_MASK (R_OCR_VDD_VOLTAGE_WIN_HI_MASK \
+ | R_OCR_ACCEPT_SWITCH_1V8_MASK \
+ | R_OCR_UHS_II_CARD_MASK \
+ | R_OCR_CARD_CAPACITY_MASK \
+ | R_OCR_CARD_POWER_UP_MASK)
+
static void sd_set_ocr(SDState *sd)
{
- /* All voltages OK, Standard Capacity SD Memory Card, not yet powered up */
- sd->ocr = 0x00ffff00;
+ /* All voltages OK */
+ sd->ocr = R_OCR_VDD_VOLTAGE_WIN_HI_MASK;
}
static void sd_ocr_powerup(void *opaque)
@@ -446,7 +457,7 @@ static void sd_response_r1_make(SDState *sd, uint8_t *response)
static void sd_response_r3_make(SDState *sd, uint8_t *response)
{
- stl_be_p(response, sd->ocr);
+ stl_be_p(response, sd->ocr & ACMD41_R3_MASK);
}
static void sd_response_r6_make(SDState *sd, uint8_t *response)