From 6947feca588670a0443d3e8892e6e20c6acb491c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <f4bug@amsat.org>
Date: Wed, 28 Jul 2021 19:42:24 +0200
Subject: hw/sd/sdcard: Rename Write Protect Group variables
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'wp_groups' holds a bitmap, rename it as 'wp_group_bmap'.
'wpgrps_size' is the bitmap size (in bits), rename it as
'wp_group_bits'.
Patch created mechanically using:
$ sed -i -e s/wp_groups/wp_group_bmap/ \
-e s/wpgrps_size/wp_group_bits/ hw/sd/sd.c
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210728181728.2012952-4-f4bug@amsat.org>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
---
hw/sd/sd.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
(limited to 'hw/sd/sd.c')
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index bb5dbff68c..c10a1e469b 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -116,8 +116,8 @@ struct SDState {
int32_t state; /* current card state, one of SDCardStates */
uint32_t vhs;
bool wp_switch;
- unsigned long *wp_groups;
- int32_t wpgrps_size;
+ unsigned long *wp_group_bmap;
+ int32_t wp_group_bits;
uint64_t size;
uint32_t blk_len;
uint32_t multi_blk_cnt;
@@ -567,10 +567,10 @@ static void sd_reset(DeviceState *dev)
sd_set_cardstatus(sd);
sd_set_sdstatus(sd);
- g_free(sd->wp_groups);
+ g_free(sd->wp_group_bmap);
sd->wp_switch = sd->blk ? !blk_is_writable(sd->blk) : false;
- sd->wpgrps_size = sect;
- sd->wp_groups = bitmap_new(sd->wpgrps_size);
+ sd->wp_group_bits = sect;
+ sd->wp_group_bmap = bitmap_new(sd->wp_group_bits);
memset(sd->function_group, 0, sizeof(sd->function_group));
sd->erase_start = INVALID_ADDRESS;
sd->erase_end = INVALID_ADDRESS;
@@ -673,7 +673,7 @@ static const VMStateDescription sd_vmstate = {
VMSTATE_UINT32(card_status, SDState),
VMSTATE_PARTIAL_BUFFER(sd_status, SDState, 1),
VMSTATE_UINT32(vhs, SDState),
- VMSTATE_BITMAP(wp_groups, SDState, 0, wpgrps_size),
+ VMSTATE_BITMAP(wp_group_bmap, SDState, 0, wp_group_bits),
VMSTATE_UINT32(blk_len, SDState),
VMSTATE_UINT32(multi_blk_cnt, SDState),
VMSTATE_UINT32(erase_start, SDState),
@@ -803,8 +803,8 @@ static void sd_erase(SDState *sd)
if (sdsc) {
/* Only SDSC cards support write protect groups */
wpnum = sd_addr_to_wpnum(erase_addr);
- assert(wpnum < sd->wpgrps_size);
- if (test_bit(wpnum, sd->wp_groups)) {
+ assert(wpnum < sd->wp_group_bits);
+ if (test_bit(wpnum, sd->wp_group_bmap)) {
sd->card_status |= WP_ERASE_SKIP;
continue;
}
@@ -828,8 +828,8 @@ static uint32_t sd_wpbits(SDState *sd, uint64_t addr)
*/
continue;
}
- assert(wpnum < sd->wpgrps_size);
- if (test_bit(wpnum, sd->wp_groups)) {
+ assert(wpnum < sd->wp_group_bits);
+ if (test_bit(wpnum, sd->wp_group_bmap)) {
ret |= (1 << i);
}
}
@@ -869,7 +869,7 @@ static void sd_function_switch(SDState *sd, uint32_t arg)
static inline bool sd_wp_addr(SDState *sd, uint64_t addr)
{
- return test_bit(sd_addr_to_wpnum(addr), sd->wp_groups);
+ return test_bit(sd_addr_to_wpnum(addr), sd->wp_group_bmap);
}
static void sd_lock_command(SDState *sd)
@@ -897,7 +897,7 @@ static void sd_lock_command(SDState *sd)
sd->card_status |= LOCK_UNLOCK_FAILED;
return;
}
- bitmap_zero(sd->wp_groups, sd->wpgrps_size);
+ bitmap_zero(sd->wp_group_bmap, sd->wp_group_bits);
sd->csd[14] &= ~0x10;
sd->card_status &= ~CARD_IS_LOCKED;
sd->pwd_len = 0;
@@ -1348,7 +1348,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
}
sd->state = sd_programming_state;
- set_bit(sd_addr_to_wpnum(addr), sd->wp_groups);
+ set_bit(sd_addr_to_wpnum(addr), sd->wp_group_bmap);
/* Bzzzzzzztt .... Operation complete. */
sd->state = sd_transfer_state;
return sd_r1b;
@@ -1370,7 +1370,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
}
sd->state = sd_programming_state;
- clear_bit(sd_addr_to_wpnum(addr), sd->wp_groups);
+ clear_bit(sd_addr_to_wpnum(addr), sd->wp_group_bmap);
/* Bzzzzzzztt .... Operation complete. */
sd->state = sd_transfer_state;
return sd_r1b;
--
cgit v1.2.3
From b66f73a0cb312c81470433dfd5275d2824bb89de Mon Sep 17 00:00:00 2001
From: Frank Chang <frank.chang@sifive.com>
Date: Tue, 28 Dec 2021 20:57:17 +0800
Subject: hw/sd: Add SDHC support for SD card SPI-mode
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
In SPI-mode, SD card's OCR register: Card Capacity Status (CCS) bit
is not set to 1 correclty when the assigned SD image size is larger
than 2GB (SDHC). This will cause the SD card to be indentified as SDSC
incorrectly. CCS bit should be set to 1 if we are using SDHC.
Also, as there's no power up emulation in SPI-mode.
The OCR register: Card power up status bit bit (busy) should also
be set to 1 when reset. (busy bit is set to LOW if the card has not
finished the power up routine.)
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jim Shu <jim.shu@sifive.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211228125719.14712-1-frank.chang@sifive.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
hw/sd/sd.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
(limited to 'hw/sd/sd.c')
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index c10a1e469b..cd67a7bac8 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -290,12 +290,6 @@ FIELD(OCR, CARD_POWER_UP, 31, 1)
| R_OCR_CARD_CAPACITY_MASK \
| R_OCR_CARD_POWER_UP_MASK)
-static void sd_set_ocr(SDState *sd)
-{
- /* All voltages OK */
- sd->ocr = R_OCR_VDD_VOLTAGE_WIN_HI_MASK;
-}
-
static void sd_ocr_powerup(void *opaque)
{
SDState *sd = opaque;
@@ -311,6 +305,22 @@ static void sd_ocr_powerup(void *opaque)
}
}
+static void sd_set_ocr(SDState *sd)
+{
+ /* All voltages OK */
+ sd->ocr = R_OCR_VDD_VOLTAGE_WIN_HI_MASK;
+
+ if (sd->spi) {
+ /*
+ * We don't need to emulate power up sequence in SPI-mode.
+ * Thus, the card's power up status bit should be set to 1 when reset.
+ * The card's capacity status bit should also be set if SD card size
+ * is larger than 2GB for SDHC support.
+ */
+ sd_ocr_powerup(sd);
+ }
+}
+
static void sd_set_scr(SDState *sd)
{
sd->scr[0] = 0 << 4; /* SCR structure version 1.0 */
@@ -560,6 +570,7 @@ static void sd_reset(DeviceState *dev)
sd->state = sd_idle_state;
sd->rca = 0x0000;
+ sd->size = size;
sd_set_ocr(sd);
sd_set_scr(sd);
sd_set_cid(sd);
@@ -574,7 +585,6 @@ static void sd_reset(DeviceState *dev)
memset(sd->function_group, 0, sizeof(sd->function_group));
sd->erase_start = INVALID_ADDRESS;
sd->erase_end = INVALID_ADDRESS;
- sd->size = size;
sd->blk_len = 0x200;
sd->pwd_len = 0;
sd->expecting_acmd = false;
--
cgit v1.2.3