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@@ -4,6 +4,7 @@
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*/
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#include <common.h>
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#include <env.h>
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+#include <fdt_support.h>
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#include <init.h>
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#include <log.h>
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#include <stdlib.h>
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@@ -95,6 +96,33 @@ static void parse_serial(const struct tag_serialnr *serialnr)
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env_set("serial#", serial);
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}
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+#define SBL_BOARD "board_id="
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+#define SBL_LCDTYPE "lcdtype="
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+static ulong board_id = 0;
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+static ulong lcdtype = 0;
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+
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+static void parse_cmdline(const struct tag_cmdline *cmdline)
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+{
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+ char *buf;
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+
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+ /* Export this to sbl_cmdline (secondary boot loader command line) */
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+ env_set("sbl_cmdline", cmdline->cmdline);
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+
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+ buf = strstr(cmdline->cmdline, SBL_BOARD);
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+ if (!buf)
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+ return;
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+ buf += strlen(SBL_BOARD);
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+
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+ board_id = simple_strtoul(buf, NULL, 10);
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+
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+ buf = strstr(cmdline->cmdline, SBL_LCDTYPE);
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+ if (!buf)
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+ return;
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+ buf += strlen(SBL_LCDTYPE);
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+
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+ lcdtype = simple_strtoul(buf, NULL, 10);
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+}
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+
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/*
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* The downstream/vendor kernel (provided by Samsung) uses ATAGS for booting.
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* It also requires an extremely long cmdline provided by the primary bootloader
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@@ -126,6 +154,9 @@ static void copy_atags(const struct tag *tags)
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if (t->hdr.tag == ATAG_SERIAL)
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parse_serial(&t->u.serialnr);
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+ if (t->hdr.tag == ATAG_CMDLINE)
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+ parse_cmdline(&t->u.cmdline);
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+
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fw_atags_size += t->hdr.size * sizeof(u32);
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}
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@@ -165,3 +196,287 @@ void setup_board_tags(struct tag **in_params)
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memcpy(*in_params, fw_atags_copy, fw_atags_size);
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*(u8 **)in_params += fw_atags_size;
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}
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+
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+/* These numbers are unique per product but not across all products */
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+#define SAMSUNG_CODINA_LCD_LMS380KF01 4
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+#define SAMSUNG_CODINA_LCD_S6D27A1 13
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+#define SAMSUNG_SKOMER_LCD_HVA40WV1 10
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+#define SAMSUNG_SKOMER_LCD_NT35512 12
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+
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+static void codina_patch_display(void *fdt)
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+{
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+ int node;
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+ int ret;
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+
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+ node = fdt_path_offset(fdt, "/spi-gpio-0/panel");
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+ if (node < 0) {
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+ printf("cannot find Codina panel node\n");
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+ return;
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+ }
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+ if (lcdtype == SAMSUNG_CODINA_LCD_LMS380KF01) {
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+ ret = fdt_setprop_string(fdt, node, "compatible", "samsung,lms380kf01");
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+ if (ret < 0)
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+ printf("could not set LCD compatible\n");
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+ else
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+ printf("updated LCD compatible to LMS380KF01\n");
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+ } else if (lcdtype == SAMSUNG_CODINA_LCD_S6D27A1) {
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+ ret = fdt_setprop_string(fdt, node, "compatible", "samsung,s6d27a1");
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+ if (ret < 0)
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+ printf("could not set LCD compatible\n");
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+ else
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+ printf("updated LCD compatible to S6D27A1\n");
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+ } else {
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+ printf("unknown LCD type\n");
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+ }
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+}
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+
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+static void skomer_kyle_patch_display(void *fdt)
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+{
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+ int node;
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+ int ret;
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+
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+ node = fdt_path_offset(fdt, "/soc/mcde/dsi/panel");
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+ if (node < 0) {
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+ printf("cannot find Skomer/Kyle panel node\n");
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+ return;
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+ }
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+ if (lcdtype == SAMSUNG_SKOMER_LCD_HVA40WV1) {
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+ ret = fdt_setprop_string(fdt, node, "compatible", "hydis,hva40wv1");
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+ if (ret < 0)
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+ printf("could not set LCD compatible\n");
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+ else
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+ printf("updated LCD compatible to Hydis HVA40WV1\n");
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+ } else if (lcdtype == SAMSUNG_SKOMER_LCD_NT35512) {
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+ /*
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+ * FIXME: This panel is actually a BOE product, but we don't know
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+ * the exact product name, so the compatible for the NT35512
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+ * is used for the time being. The vendor drivers also call it NT35512.
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+ */
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+ ret = fdt_setprop_string(fdt, node, "compatible", "novatek,nt35512");
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+ if (ret < 0)
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+ printf("could not set LCD compatible\n");
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+ else
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+ printf("updated LCD compatible to Novatek NT35512\n");
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+ } else {
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+ printf("unknown LCD type\n");
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+ }
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+}
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+
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+int ft_board_setup(void *fdt, struct bd_info *bd)
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+{
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+ const char *str;
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+ int node;
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+ int ret;
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+
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+ printf("stemmy patch: DTB at 0x%08lx\n", (ulong)fdt);
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+
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+ /* Inspect FDT to see what we've got here */
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+ ret = fdt_check_header(fdt);
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+ if (ret < 0) {
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+ printf("invalid DTB\n");
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+ return ret;
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+ }
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+ node = fdt_path_offset(fdt, "/");
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+ if (node < 0) {
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+ printf("cannot find root node\n");
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+ return node;
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+ }
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+ str = fdt_stringlist_get(fdt, node, "compatible", 0, NULL);
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+ if (!str) {
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+ printf("could not find board compatible\n");
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+ return -1;
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+ }
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+
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+ if (!strcmp(str, "samsung,janice")) {
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+ switch(board_id) {
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+ case 7:
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+ printf("Janice GT-I9070 Board Rev 0.0\n");
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+ break;
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+ case 8:
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+ printf("Janice GT-I9070 Board Rev 0.1\n");
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+ break;
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+ case 9:
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+ printf("Janice GT-I9070 Board Rev 0.2\n");
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+ break;
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+ case 10:
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+ printf("Janice GT-I9070 Board Rev 0.3\n");
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+ break;
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+ case 11:
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+ printf("Janice GT-I9070 Board Rev 0.4\n");
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+ break;
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+ case 12:
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+ printf("Janice GT-I9070 Board Rev 0.5\n");
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+ break;
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+ case 13:
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+ printf("Janice GT-I9070 Board Rev 0.6\n");
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+ break;
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+ default:
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+ break;
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+ }
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+ } else if (!strcmp(str, "samsung,gavini")) {
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+ switch(board_id) {
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+ case 7:
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+ printf("Gavini GT-I8530 Board Rev 0.0\n");
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+ break;
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+ case 8:
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+ printf("Gavini GT-I8530 Board Rev 0.0A\n");
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+ break;
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+ case 9:
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+ printf("Gavini GT-I8530 Board Rev 0.0B\n");
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+ break;
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+ case 10:
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+ printf("Gavini GT-I8530 Board Rev 0.0A_EMUL\n");
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+ break;
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+ case 11:
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+ printf("Gavini GT-I8530 Board Rev 0.0C\n");
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+ break;
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+ case 12:
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+ printf("Gavini GT-I8530 Board Rev 0.0D\n");
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+ break;
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+ case 13:
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+ printf("Gavini GT-I8530 Board Rev 0.1\n");
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+ break;
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+ case 14:
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+ printf("Gavini GT-I8530 Board Rev 0.3\n");
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+ break;
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+ default:
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+ break;
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+ }
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+ } else if (!strcmp(str, "samsung,codina")) {
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+ switch(board_id) {
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+ case 7:
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+ printf("Codina GT-I8160 Board Rev 0.0\n");
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+ break;
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+ case 8:
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+ printf("Codina GT-I8160 Board Rev 0.1\n");
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+ break;
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+ case 9:
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+ printf("Codina GT-I8160 Board Rev 0.2\n");
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+ break;
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+ case 10:
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+ printf("Codina GT-I8160 Board Rev 0.3\n");
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+ break;
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+ case 11:
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+ printf("Codina GT-I8160 Board Rev 0.4\n");
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+ break;
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+ case 12:
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+ printf("Codina GT-I8160 Board Rev 0.5\n");
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+ break;
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+ default:
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+ break;
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+ }
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+ codina_patch_display(fdt);
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+ } else if (!strcmp(str, "samsung,codina-tmo")) {
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+ switch(board_id) {
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+ case 0x101:
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+ printf("Codina SGH-T599 Board pre-Rev 0.0\n");
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+ break;
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+ case 0x102:
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+ printf("Codina SGH-T599 Board Rev 0.0\n");
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+ break;
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+ case 0x103:
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+ printf("Codina SGH-T599 Board Rev 0.1\n");
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+ break;
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+ case 0x104:
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+ printf("Codina SGH-T599 Board Rev 0.2\n");
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+ break;
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+ case 0x105:
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+ printf("Codina SGH-T599 Board Rev 0.4\n");
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+ break;
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+ case 0x106:
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+ printf("Codina SGH-T599 Board Rev 0.6\n");
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+ break;
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+ case 0x107:
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+ printf("Codina SGH-T599 Board Rev 0.7\n");
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+ break;
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+ default:
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+ break;
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+ }
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+ codina_patch_display(fdt);
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+ } else if (!strcmp(str, "samsung,golden")) {
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+ switch(board_id) {
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+ case 0x102:
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+ printf("Golden GT-I8190 Board SW bringup\n");
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+ break;
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+ case 0x103:
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+ printf("Golden GT-I8190 Board Rev 0.2\n");
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+ break;
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+ case 0x104:
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+ printf("Golden GT-I8190 Board Rev 0.3\n");
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+ break;
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+ case 0x105:
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+ printf("Golden GT-I8190 Board Rev 0.4\n");
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+ break;
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+ case 0x106:
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+ printf("Golden GT-I8190 Board Rev 0.5\n");
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+ break;
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+ case 0x107:
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+ printf("Golden GT-I8190 Board Rev 0.6\n");
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+ break;
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+ default:
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+ break;
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+ }
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+ } else if (!strcmp(str, "samsung,skomer")) {
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+ switch(board_id) {
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+ case 0x101:
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+ printf("Skomer GT-S7710 Board Rev 0.0\n");
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+ break;
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+ case 0x102:
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+ printf("Skomer GT-S7710 Board Rev 0.1\n");
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+ break;
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+ case 0x103:
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+ printf("Skomer GT-S7710 Board Rev 0.2\n");
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+ break;
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+ case 0x104:
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+ printf("Skomer GT-S7710 Board Rev 0.3\n");
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+ break;
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+ case 0x105:
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+ printf("Skomer GT-S7710 Board Rev 0.4\n");
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+ break;
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+ case 0x106:
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+ printf("Skomer GT-S7710 Board Rev 0.5\n");
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+ break;
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+ case 0x107:
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+ printf("Skomer GT-S7710 Board Rev 0.6\n");
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+ break;
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+ case 0x108:
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+ printf("Skomer GT-S7710 Board Rev 0.7\n");
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+ break;
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+ case 0x109:
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+ printf("Skomer GT-S7710 Board Rev 0.8\n");
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+ break;
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+ default:
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+ break;
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+ }
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+ skomer_kyle_patch_display(fdt);
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+ } else if (!strcmp(str, "samsung,kyle")) {
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+ switch(board_id) {
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+ case 0x101:
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+ printf("Kyle SGH-I407 Board Rev 0.0\n");
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+ break;
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+ case 0x102:
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+ printf("Kyle SGH-I407 Board Rev 0.1\n");
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+ break;
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+ case 0x103:
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+ printf("Kyle SGH-I407 Board Rev 0.2\n");
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+ break;
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+ case 0x104:
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+ printf("Kyle SGH-I407 Board Rev 0.3\n");
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+ break;
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+ case 0x105:
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+ printf("Kyle SGH-I407 Board Rev 0.4\n");
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+ break;
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+ case 0x106:
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+ printf("Kyle SGH-I407 Board Rev 0.5\n");
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+ break;
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+ case 0x107:
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+ printf("Kyle SGH-I407 Board Rev 0.6\n");
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+ break;
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+ default:
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+ break;
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+ }
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+ skomer_kyle_patch_display(fdt);
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+ }
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+
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+ return 0;
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+}
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