[PATCH] add support for Pm25LQ032

[Steven Honeyman]

I found this in a Chinese router, read tested (twice, successful) but
not yet write/erase tested.
Based on information from the datasheet at
http://www.chingistek.com/img/Product_Files/Pm25LQ032C%20datasheet%20v1.6.1....

Signed-off-by: Steven Honeyman

Index: flashchips.c
===================================================================
--- flashchips.c    (revision 1888)
+++ flashchips.c    (working copy)
@@ -9708,8 +9708,46 @@
         .voltage    = {2700, 3600}, /* 2.3-3.6V for Pm25LD040 */
     },

-{
+    {
         .vendor        = "PMC",
+        .name        = "Pm25LQ032",
+        .bustype    = BUS_SPI,
+        .manufacture_id    = PMC_ID,
+        .model_id    = PMC_PM25LQ032,
+        .total_size    = 4096,
+        .page_size    = 256,
+        .feature_bits    = FEATURE_WRSR_WREN,
+        .tested        = TEST_OK_PR,
+        .probe        = probe_spi_rdid,
+        .probe_timing    = TIMING_ZERO,
+        .block_erasers    =
+        {
+            {
+                .eraseblocks = { {4 * 1024, 1024} },
+                .block_erase = spi_block_erase_20,    /* sector erase */
+            }, {
+                .eraseblocks = { {4 * 1024, 1024} },
+                .block_erase = spi_block_erase_d7,    /* sector erase */
+            }, {
+                .eraseblocks = { {64 * 1024, 64} },
+                .block_erase = spi_block_erase_d8,    /* block erase */
+            }, {
+                .eraseblocks = { {4096 * 1024, 1} },
+                .block_erase = spi_block_erase_60,    /* chip erase */
+            }, {
+                .eraseblocks = { {4096 * 1024, 1} },
+                .block_erase = spi_block_erase_c7,    /* chip erase */
+            }
+        },
+        .printlock    = spi_prettyprint_status_register_bp3_srwd,
+        .unlock        = spi_disable_blockprotect_bp3_srwd,
+        .write        = spi_chip_write_256,
+        .read        = spi_chip_read, /* Fast read (0x0B), dual I/O
supported */
+        .voltage    = {2700, 3600}, /* 2.7-3.6V for Pm25Q032 */
+    },
+
+    {
+        .vendor        = "PMC",
         .name        = "Pm25LV512(A)",
         .bustype    = BUS_SPI,
         .manufacture_id    = PMC_ID_NOPREFIX,
Index: flashchips.h
===================================================================
--- flashchips.h    (revision 1888)
+++ flashchips.h    (working copy)
@@ -560,6 +560,7 @@
 #define PMC_PM25LD512        0x20    /* Same as Pm25LD512C, but the
latter has more locking options. */
 #define PMC_PM25LD010        0x21    /* Same as Pm25LD010C, but the
latter has more locking options. */
 #define PMC_PM25LD020        0x22    /* Same as Pm25LD020C, but the
latter has more locking options. */
+#define PMC_PM25LQ032        0x46
 #define PMC_PM25LV512        0x7B    /* Same as Pm25LV512A */
 #define PMC_PM25LV010        0x7C    /* Same as Pm25LV010A, but the
former does not support RDID but RES3 only. */
 #define PMC_PM25LV020        0x7D