[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v3 02/13] m25p80: Add support for SST READ ID 0x90/0
From: |
Francisco Iglesias |
Subject: |
[Qemu-devel] [PATCH v3 02/13] m25p80: Add support for SST READ ID 0x90/0xAB commands |
Date: |
Tue, 24 Oct 2017 21:51:28 +0200 |
Add support for SST READ ID 0x90/0xAB commands for reading out the flash
manufacuter ID and device ID.
Signed-off-by: Francisco Iglesias <address@hidden>
---
hw/block/m25p80.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 2971519..c85e8fa 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -355,6 +355,8 @@ typedef enum {
DPP = 0xa2,
QPP = 0x32,
QPP_4 = 0x34,
+ RDID_90 = 0x90,
+ RDID_AB = 0xab,
ERASE_4K = 0x20,
ERASE4_4K = 0x21,
@@ -405,6 +407,7 @@ typedef enum {
MAN_MACRONIX,
MAN_NUMONYX,
MAN_WINBOND,
+ MAN_SST,
MAN_GENERIC,
} Manufacturer;
@@ -476,6 +479,8 @@ static inline Manufacturer get_man(Flash *s)
return MAN_SPANSION;
case 0xC2:
return MAN_MACRONIX;
+ case 0xBF:
+ return MAN_SST;
default:
return MAN_GENERIC;
}
@@ -1018,6 +1023,21 @@ static void decode_new_cmd(Flash *s, uint32_t value)
s->state = STATE_READING_DATA;
break;
+ case RDID_90:
+ case RDID_AB:
+ DB_PRINT_L(0, "populated manf/dev ID\n");
+ if (get_man(s) == MAN_SST) {
+ s->data[0] = s->pi->id[0];
+ s->data[1] = s->pi->id[2];
+ s->pos = 0;
+ s->len = 2;
+ s->data_read_loop = true;
+ s->state = STATE_READING_DATA;
+ } else {
+ qemu_log_mask(LOG_GUEST_ERROR, "M25P80: Unknown cmd %x\n", value);
+ }
+ break;
+
case BULK_ERASE:
if (s->write_enable) {
DB_PRINT_L(0, "chip erase\n");
--
2.9.3
- [Qemu-devel] [PATCH v3 00/13] Add support for the ZynqMP Generic QSPI, Francisco Iglesias, 2017/10/24
- [Qemu-devel] [PATCH v3 01/13] m25p80: Add support for continuous read out of RDSR and READ_FSR, Francisco Iglesias, 2017/10/24
- [Qemu-devel] [PATCH v3 02/13] m25p80: Add support for SST READ ID 0x90/0xAB commands,
Francisco Iglesias <=
- [Qemu-devel] [PATCH v3 03/13] m25p80: Add support for BRRD/BRWR and BULK_ERASE (0x60), Francisco Iglesias, 2017/10/24
- [Qemu-devel] [PATCH v3 05/13] xilinx_spips: Move FlashCMD, XilinxQSPIPS and XilinxSPIPSClass, Francisco Iglesias, 2017/10/24
- [Qemu-devel] [PATCH v3 04/13] m25p80: Add support for n25q512a11 and n25q512a13, Francisco Iglesias, 2017/10/24
- [Qemu-devel] [PATCH v3 06/13] xilinx_spips: Update striping to be big-endian bit order, Francisco Iglesias, 2017/10/24
- [Qemu-devel] [PATCH v3 10/13] xilinx_spips: Add support for 4 byte addresses in the LQSPI, Francisco Iglesias, 2017/10/24
- [Qemu-devel] [PATCH v3 13/13] xlnx-zcu102: Add support for the ZynqMP QSPI, Francisco Iglesias, 2017/10/24