# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1672434450 0
# Node ID 54a0bc149d9cff4ceaba00c2ed5f409ad7e2a424
# Parent  71edc12b1aa753791fe9188318d75e3508c98e14
fc-loadtool: add support for Samsung K5L29xx_A flash

diff -r 71edc12b1aa7 -r 54a0bc149d9c loadtools/flashid.c
--- a/loadtools/flashid.c	Thu Dec 29 23:59:00 2022 +0000
+++ b/loadtools/flashid.c	Fri Dec 30 21:07:30 2022 +0000
@@ -20,6 +20,7 @@
 extern struct flash_device flashdev_PL129N;
 extern struct flash_device flashdev_K5A32xx_T;
 extern struct flash_device flashdev_K5L33xx_A;
+extern struct flash_device flashdev_K5L29xx_A;
 
 extern int flash_global_config;
 extern struct flash_bank_info flash_bank_info[2];
@@ -66,6 +67,33 @@
 }
 
 static
+try_device_amdreset(bi, dev)
+	struct flash_bank_info *bi;
+	struct flash_device *dev;
+{
+	int rc;
+
+	printf("Appears to be %s or compatible, checking CFI\n", dev->name);
+	/* need to go back to read array first, CFI cmd ignored otherwise */
+	if (do_w16(bi->base_addr + 0xAAA, 0xF0)) {
+bad_w16:	fprintf(stderr, "unexpected response to w16 - aborting\n");
+		return(-1);
+	}
+	if (do_w16(bi->base_addr + 0xAA, 0x98))
+		goto bad_w16;
+	rc = run_cfi_check(bi, dev->cfi_table);
+	if (rc < 0)
+		return(rc);
+	if (!rc) {
+		fprintf(stderr, "Error: CFI mismatch, unsafe to continue\n");
+		return(-1);
+	}
+	printf("Confirmed %s or compatible\n", dev->name);
+	bi->device = dev;
+	return(0);
+}
+
+static
 spansion_pl129j_or_n(bi)
 	struct flash_bank_info *bi;
 {
@@ -135,6 +163,8 @@
 	printf("Extended ID: %04X %04X\n", ext1, ext2);
 	if (ext1 == 0x2503 && ext2 == 0x2501)
 		return try_device(bi, &flashdev_K5L33xx_A);
+	if (ext1 == 0x2508 && ext2 == 0x2501)
+		return try_device_amdreset(bi, &flashdev_K5L29xx_A);
 	fprintf(stderr, "Error: unknown device ID\n");
 	return(-1);
 }
diff -r 71edc12b1aa7 -r 54a0bc149d9c loadtools/fldevs.c
--- a/loadtools/fldevs.c	Thu Dec 29 23:59:00 2022 +0000
+++ b/loadtools/fldevs.c	Fri Dec 30 21:07:30 2022 +0000
@@ -429,3 +429,44 @@
 	.bank_geom		= {&geom_4M_bothends, 0},
 	.cmdset			= &flash_cmdset_amd,
 };
+
+/* Samsung equivalent of S71PL129J, found in Sony Ericsson K200/220 phones */
+
+static struct cfi_check samsung_PL129J_equiv_cfi[] = {
+	{0x10, 'Q'},
+	{0x11, 'R'},
+	{0x12, 'Y'},
+	{0x13, 0x02},
+	{0x14, 0x00},
+	{0x15, 0x40},
+	{0x16, 0x00},
+	{0x27, 0x18},
+	{0x2C, 0x03},
+	{0x2D, 0x07},
+	{0x2E, 0x00},
+	{0x2F, 0x20},
+	{0x30, 0x00},
+	{0x31, 0xFD},
+	{0x32, 0x00},
+	{0x33, 0x00},
+	{0x34, 0x01},
+	{0x35, 0x07},
+	{0x36, 0x00},
+	{0x37, 0x20},
+	{0x38, 0x00},
+	{0x40, 'P'},
+	{0x41, 'R'},
+	{0x42, 'I'},
+	{0x43, '0'},
+	{0x44, '0'},
+	{0x4F, 0x04},
+	{-1,   0}
+};
+
+struct flash_device flashdev_K5L29xx_A = {
+	.name			= "Samsung K5L29xx_A",
+	.cfi_table		= samsung_PL129J_equiv_cfi,
+	.required_global_config	= FLASH_GLOBAL_CFG_DUAL_8M,
+	.bank_geom		= {&geom_8M_bottomboot, &geom_8M_topboot},
+	.cmdset			= &flash_cmdset_amd,
+};