OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

sdcard: use the correct masked OCR in the R3 reply 

use the registerfields API to access the OCR register

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180215221325.7611-8-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2018-02-22 15:12:53 +00:00 committed by Peter Maydell
parent 67bfddd62b
commit 3d42fb52b2
1 changed files with 16 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
hw/sd/sd.c
View File

@ -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)