]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - lib/fdtdec.c
tpm: Rename Infineon TPM to slb9645tt
[karo-tx-uboot.git] / lib / fdtdec.c
index 577c60ed0d9e94a04facb6965ae91dc28f467de1..f03b231e17ac6db08e54685d8f970f061ecb0e25 100644 (file)
@@ -9,6 +9,7 @@
 #include <serial.h>
 #include <libfdt.h>
 #include <fdtdec.h>
+#include <asm/sections.h>
 #include <linux/ctype.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -29,6 +30,9 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(NVIDIA_TEGRA20_KBC, "nvidia,tegra20-kbc"),
        COMPAT(NVIDIA_TEGRA20_NAND, "nvidia,tegra20-nand"),
        COMPAT(NVIDIA_TEGRA20_PWM, "nvidia,tegra20-pwm"),
+       COMPAT(NVIDIA_TEGRA124_DC, "nvidia,tegra124-dc"),
+       COMPAT(NVIDIA_TEGRA124_SOR, "nvidia,tegra124-sor"),
+       COMPAT(NVIDIA_TEGRA124_PMC, "nvidia,tegra124-pmc"),
        COMPAT(NVIDIA_TEGRA20_DC, "nvidia,tegra20-dc"),
        COMPAT(NVIDIA_TEGRA124_SDMMC, "nvidia,tegra124-sdhci"),
        COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"),
@@ -43,8 +47,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(SAMSUNG_EXYNOS5_SOUND, "samsung,exynos-sound"),
        COMPAT(WOLFSON_WM8994_CODEC, "wolfson,wm8994-codec"),
        COMPAT(GOOGLE_CROS_EC_KEYB, "google,cros-ec-keyb"),
-       COMPAT(SAMSUNG_EXYNOS_EHCI, "samsung,exynos-ehci"),
-       COMPAT(SAMSUNG_EXYNOS5_XHCI, "samsung,exynos5250-xhci"),
        COMPAT(SAMSUNG_EXYNOS_USB_PHY, "samsung,exynos-usb-phy"),
        COMPAT(SAMSUNG_EXYNOS5_USB3_PHY, "samsung,exynos5250-usb3-phy"),
        COMPAT(SAMSUNG_EXYNOS_TMU, "samsung,exynos-tmu"),
@@ -58,7 +60,7 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(GENERIC_SPI_FLASH, "spi-flash"),
        COMPAT(MAXIM_98095_CODEC, "maxim,max98095-codec"),
        COMPAT(INFINEON_SLB9635_TPM, "infineon,slb9635-tpm"),
-       COMPAT(INFINEON_SLB9645_TPM, "infineon,slb9645-tpm"),
+       COMPAT(INFINEON_SLB9645_TPM, "infineon,slb9645tt"),
        COMPAT(SAMSUNG_EXYNOS5_I2C, "samsung,exynos5-hsi2c"),
        COMPAT(SANDBOX_LCD_SDL, "sandbox,lcd-sdl"),
        COMPAT(TI_TPS65090, "ti,tps65090"),
@@ -1037,4 +1039,126 @@ int fdtdec_decode_memory_region(const void *blob, int config_node,
 
        return 0;
 }
+
+static int decode_timing_property(const void *blob, int node, const char *name,
+                                 struct timing_entry *result)
+{
+       int length, ret = 0;
+       const u32 *prop;
+
+       prop = fdt_getprop(blob, node, name, &length);
+       if (!prop) {
+               debug("%s: could not find property %s\n",
+                     fdt_get_name(blob, node, NULL), name);
+               return length;
+       }
+
+       if (length == sizeof(u32)) {
+               result->typ = fdtdec_get_int(blob, node, name, 0);
+               result->min = result->typ;
+               result->max = result->typ;
+       } else {
+               ret = fdtdec_get_int_array(blob, node, name, &result->min, 3);
+       }
+
+       return ret;
+}
+
+int fdtdec_decode_display_timing(const void *blob, int parent, int index,
+                                struct display_timing *dt)
+{
+       int i, node, timings_node;
+       u32 val = 0;
+       int ret = 0;
+
+       timings_node = fdt_subnode_offset(blob, parent, "display-timings");
+       if (timings_node < 0)
+               return timings_node;
+
+       for (i = 0, node = fdt_first_subnode(blob, timings_node);
+            node > 0 && i != index;
+            node = fdt_next_subnode(blob, node))
+               i++;
+
+       if (node < 0)
+               return node;
+
+       memset(dt, 0, sizeof(*dt));
+
+       ret |= decode_timing_property(blob, node, "hback-porch",
+                                     &dt->hback_porch);
+       ret |= decode_timing_property(blob, node, "hfront-porch",
+                                     &dt->hfront_porch);
+       ret |= decode_timing_property(blob, node, "hactive", &dt->hactive);
+       ret |= decode_timing_property(blob, node, "hsync-len", &dt->hsync_len);
+       ret |= decode_timing_property(blob, node, "vback-porch",
+                                     &dt->vback_porch);
+       ret |= decode_timing_property(blob, node, "vfront-porch",
+                                     &dt->vfront_porch);
+       ret |= decode_timing_property(blob, node, "vactive", &dt->vactive);
+       ret |= decode_timing_property(blob, node, "vsync-len", &dt->vsync_len);
+       ret |= decode_timing_property(blob, node, "clock-frequency",
+                                     &dt->pixelclock);
+
+       dt->flags = 0;
+       val = fdtdec_get_int(blob, node, "vsync-active", -1);
+       if (val != -1) {
+               dt->flags |= val ? DISPLAY_FLAGS_VSYNC_HIGH :
+                               DISPLAY_FLAGS_VSYNC_LOW;
+       }
+       val = fdtdec_get_int(blob, node, "hsync-active", -1);
+       if (val != -1) {
+               dt->flags |= val ? DISPLAY_FLAGS_HSYNC_HIGH :
+                               DISPLAY_FLAGS_HSYNC_LOW;
+       }
+       val = fdtdec_get_int(blob, node, "de-active", -1);
+       if (val != -1) {
+               dt->flags |= val ? DISPLAY_FLAGS_DE_HIGH :
+                               DISPLAY_FLAGS_DE_LOW;
+       }
+       val = fdtdec_get_int(blob, node, "pixelclk-active", -1);
+       if (val != -1) {
+               dt->flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE :
+                               DISPLAY_FLAGS_PIXDATA_NEGEDGE;
+       }
+
+       if (fdtdec_get_bool(blob, node, "interlaced"))
+               dt->flags |= DISPLAY_FLAGS_INTERLACED;
+       if (fdtdec_get_bool(blob, node, "doublescan"))
+               dt->flags |= DISPLAY_FLAGS_DOUBLESCAN;
+       if (fdtdec_get_bool(blob, node, "doubleclk"))
+               dt->flags |= DISPLAY_FLAGS_DOUBLECLK;
+
+       return 0;
+}
+
+int fdtdec_setup(void)
+{
+#ifdef CONFIG_OF_CONTROL
+# ifdef CONFIG_OF_EMBED
+       /* Get a pointer to the FDT */
+       gd->fdt_blob = __dtb_dt_begin;
+# elif defined CONFIG_OF_SEPARATE
+#  ifdef CONFIG_SPL_BUILD
+       /* FDT is at end of BSS */
+       gd->fdt_blob = (ulong *)&__bss_end;
+#  else
+       /* FDT is at end of image */
+       gd->fdt_blob = (ulong *)&_end;
+#endif
+# elif defined(CONFIG_OF_HOSTFILE)
+       if (sandbox_read_fdt_from_file()) {
+               puts("Failed to read control FDT\n");
+               return -1;
+       }
+# endif
+# ifndef CONFIG_SPL_BUILD
+       /* Allow the early environment to override the fdt address */
+       gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
+                                               (uintptr_t)gd->fdt_blob);
+# endif
 #endif
+       return fdtdec_prepare_fdt();
+}
+
+#endif /* !USE_HOSTCC */