diff options
| -rw-r--r-- | board/ste/stemmy/stemmy.c | 315 | ||||
| -rw-r--r-- | configs/stemmy_defconfig | 2 |
2 files changed, 317 insertions, 0 deletions
diff --git a/board/ste/stemmy/stemmy.c b/board/ste/stemmy/stemmy.c index 5f1150c..060d562 100644 --- a/board/ste/stemmy/stemmy.c +++ b/board/ste/stemmy/stemmy.c @@ -4,6 +4,7 @@ */ #include <common.h> #include <env.h> +#include <fdt_support.h> #include <init.h> #include <log.h> #include <stdlib.h> @@ -95,6 +96,33 @@ static void parse_serial(const struct tag_serialnr *serialnr) env_set("serial#", serial); } +#define SBL_BOARD "board_id=" +#define SBL_LCDTYPE "lcdtype=" +static ulong board_id = 0; +static ulong lcdtype = 0; + +static void parse_cmdline(const struct tag_cmdline *cmdline) +{ + char *buf; + + /* Export this to sbl_cmdline (secondary boot loader command line) */ + env_set("sbl_cmdline", cmdline->cmdline); + + buf = strstr(cmdline->cmdline, SBL_BOARD); + if (!buf) + return; + buf += strlen(SBL_BOARD); + + board_id = simple_strtoul(buf, NULL, 10); + + buf = strstr(cmdline->cmdline, SBL_LCDTYPE); + if (!buf) + return; + buf += strlen(SBL_LCDTYPE); + + lcdtype = simple_strtoul(buf, NULL, 10); +} + /* * The downstream/vendor kernel (provided by Samsung) uses ATAGS for booting. * It also requires an extremely long cmdline provided by the primary bootloader @@ -126,6 +154,9 @@ static void copy_atags(const struct tag *tags) if (t->hdr.tag == ATAG_SERIAL) parse_serial(&t->u.serialnr); + if (t->hdr.tag == ATAG_CMDLINE) + parse_cmdline(&t->u.cmdline); + fw_atags_size += t->hdr.size * sizeof(u32); } @@ -165,3 +196,287 @@ void setup_board_tags(struct tag **in_params) memcpy(*in_params, fw_atags_copy, fw_atags_size); *(u8 **)in_params += fw_atags_size; } + +/* These numbers are unique per product but not across all products */ +#define SAMSUNG_CODINA_LCD_LMS380KF01 4 +#define SAMSUNG_CODINA_LCD_S6D27A1 13 +#define SAMSUNG_SKOMER_LCD_HVA40WV1 10 +#define SAMSUNG_SKOMER_LCD_NT35512 12 + +static void codina_patch_display(void *fdt) +{ + int node; + int ret; + + node = fdt_path_offset(fdt, "/spi-gpio-0/panel"); + if (node < 0) { + printf("cannot find Codina panel node\n"); + return; + } + if (lcdtype == SAMSUNG_CODINA_LCD_LMS380KF01) { + ret = fdt_setprop_string(fdt, node, "compatible", "samsung,lms380kf01"); + if (ret < 0) + printf("could not set LCD compatible\n"); + else + printf("updated LCD compatible to LMS380KF01\n"); + } else if (lcdtype == SAMSUNG_CODINA_LCD_S6D27A1) { + ret = fdt_setprop_string(fdt, node, "compatible", "samsung,s6d27a1"); + if (ret < 0) + printf("could not set LCD compatible\n"); + else + printf("updated LCD compatible to S6D27A1\n"); + } else { + printf("unknown LCD type\n"); + } +} + +static void skomer_kyle_patch_display(void *fdt) +{ + int node; + int ret; + + node = fdt_path_offset(fdt, "/soc/mcde/dsi/panel"); + if (node < 0) { + printf("cannot find Skomer/Kyle panel node\n"); + return; + } + if (lcdtype == SAMSUNG_SKOMER_LCD_HVA40WV1) { + ret = fdt_setprop_string(fdt, node, "compatible", "hydis,hva40wv1"); + if (ret < 0) + printf("could not set LCD compatible\n"); + else + printf("updated LCD compatible to Hydis HVA40WV1\n"); + } else if (lcdtype == SAMSUNG_SKOMER_LCD_NT35512) { + /* + * FIXME: This panel is actually a BOE product, but we don't know + * the exact product name, so the compatible for the NT35512 + * is used for the time being. The vendor drivers also call it NT35512. + */ + ret = fdt_setprop_string(fdt, node, "compatible", "novatek,nt35512"); + if (ret < 0) + printf("could not set LCD compatible\n"); + else + printf("updated LCD compatible to Novatek NT35512\n"); + } else { + printf("unknown LCD type\n"); + } +} + +int ft_board_setup(void *fdt, struct bd_info *bd) +{ + const char *str; + int node; + int ret; + + printf("stemmy patch: DTB at 0x%08lx\n", (ulong)fdt); + + /* Inspect FDT to see what we've got here */ + ret = fdt_check_header(fdt); + if (ret < 0) { + printf("invalid DTB\n"); + return ret; + } + node = fdt_path_offset(fdt, "/"); + if (node < 0) { + printf("cannot find root node\n"); + return node; + } + str = fdt_stringlist_get(fdt, node, "compatible", 0, NULL); + if (!str) { + printf("could not find board compatible\n"); + return -1; + } + + if (!strcmp(str, "samsung,janice")) { + switch(board_id) { + case 7: + printf("Janice GT-I9070 Board Rev 0.0\n"); + break; + case 8: + printf("Janice GT-I9070 Board Rev 0.1\n"); + break; + case 9: + printf("Janice GT-I9070 Board Rev 0.2\n"); + break; + case 10: + printf("Janice GT-I9070 Board Rev 0.3\n"); + break; + case 11: + printf("Janice GT-I9070 Board Rev 0.4\n"); + break; + case 12: + printf("Janice GT-I9070 Board Rev 0.5\n"); + break; + case 13: + printf("Janice GT-I9070 Board Rev 0.6\n"); + break; + default: + break; + } + } else if (!strcmp(str, "samsung,gavini")) { + switch(board_id) { + case 7: + printf("Gavini GT-I8530 Board Rev 0.0\n"); + break; + case 8: + printf("Gavini GT-I8530 Board Rev 0.0A\n"); + break; + case 9: + printf("Gavini GT-I8530 Board Rev 0.0B\n"); + break; + case 10: + printf("Gavini GT-I8530 Board Rev 0.0A_EMUL\n"); + break; + case 11: + printf("Gavini GT-I8530 Board Rev 0.0C\n"); + break; + case 12: + printf("Gavini GT-I8530 Board Rev 0.0D\n"); + break; + case 13: + printf("Gavini GT-I8530 Board Rev 0.1\n"); + break; + case 14: + printf("Gavini GT-I8530 Board Rev 0.3\n"); + break; + default: + break; + } + } else if (!strcmp(str, "samsung,codina")) { + switch(board_id) { + case 7: + printf("Codina GT-I8160 Board Rev 0.0\n"); + break; + case 8: + printf("Codina GT-I8160 Board Rev 0.1\n"); + break; + case 9: + printf("Codina GT-I8160 Board Rev 0.2\n"); + break; + case 10: + printf("Codina GT-I8160 Board Rev 0.3\n"); + break; + case 11: + printf("Codina GT-I8160 Board Rev 0.4\n"); + break; + case 12: + printf("Codina GT-I8160 Board Rev 0.5\n"); + break; + default: + break; + } + codina_patch_display(fdt); + } else if (!strcmp(str, "samsung,codina-tmo")) { + switch(board_id) { + case 0x101: + printf("Codina SGH-T599 Board pre-Rev 0.0\n"); + break; + case 0x102: + printf("Codina SGH-T599 Board Rev 0.0\n"); + break; + case 0x103: + printf("Codina SGH-T599 Board Rev 0.1\n"); + break; + case 0x104: + printf("Codina SGH-T599 Board Rev 0.2\n"); + break; + case 0x105: + printf("Codina SGH-T599 Board Rev 0.4\n"); + break; + case 0x106: + printf("Codina SGH-T599 Board Rev 0.6\n"); + break; + case 0x107: + printf("Codina SGH-T599 Board Rev 0.7\n"); + break; + default: + break; + } + codina_patch_display(fdt); + } else if (!strcmp(str, "samsung,golden")) { + switch(board_id) { + case 0x102: + printf("Golden GT-I8190 Board SW bringup\n"); + break; + case 0x103: + printf("Golden GT-I8190 Board Rev 0.2\n"); + break; + case 0x104: + printf("Golden GT-I8190 Board Rev 0.3\n"); + break; + case 0x105: + printf("Golden GT-I8190 Board Rev 0.4\n"); + break; + case 0x106: + printf("Golden GT-I8190 Board Rev 0.5\n"); + break; + case 0x107: + printf("Golden GT-I8190 Board Rev 0.6\n"); + break; + default: + break; + } + } else if (!strcmp(str, "samsung,skomer")) { + switch(board_id) { + case 0x101: + printf("Skomer GT-S7710 Board Rev 0.0\n"); + break; + case 0x102: + printf("Skomer GT-S7710 Board Rev 0.1\n"); + break; + case 0x103: + printf("Skomer GT-S7710 Board Rev 0.2\n"); + break; + case 0x104: + printf("Skomer GT-S7710 Board Rev 0.3\n"); + break; + case 0x105: + printf("Skomer GT-S7710 Board Rev 0.4\n"); + break; + case 0x106: + printf("Skomer GT-S7710 Board Rev 0.5\n"); + break; + case 0x107: + printf("Skomer GT-S7710 Board Rev 0.6\n"); + break; + case 0x108: + printf("Skomer GT-S7710 Board Rev 0.7\n"); + break; + case 0x109: + printf("Skomer GT-S7710 Board Rev 0.8\n"); + break; + default: + break; + } + skomer_kyle_patch_display(fdt); + } else if (!strcmp(str, "samsung,kyle")) { + switch(board_id) { + case 0x101: + printf("Kyle SGH-I407 Board Rev 0.0\n"); + break; + case 0x102: + printf("Kyle SGH-I407 Board Rev 0.1\n"); + break; + case 0x103: + printf("Kyle SGH-I407 Board Rev 0.2\n"); + break; + case 0x104: + printf("Kyle SGH-I407 Board Rev 0.3\n"); + break; + case 0x105: + printf("Kyle SGH-I407 Board Rev 0.4\n"); + break; + case 0x106: + printf("Kyle SGH-I407 Board Rev 0.5\n"); + break; + case 0x107: + printf("Kyle SGH-I407 Board Rev 0.6\n"); + break; + default: + break; + } + skomer_kyle_patch_display(fdt); + } + + return 0; +} diff --git a/configs/stemmy_defconfig b/configs/stemmy_defconfig index ea43cb6..c02db99 100644 --- a/configs/stemmy_defconfig +++ b/configs/stemmy_defconfig @@ -36,3 +36,5 @@ CONFIG_DM_VIDEO=y CONFIG_SYS_WHITE_ON_BLACK=y CONFIG_VIDEO_MCDE_SIMPLE=y # CONFIG_EFI_LOADER is not set +CONFIG_OF_BOARD_SETUP=y +CONFIG_OF_LIBFDT=y |