diff options
| -rw-r--r-- | CHANGELOG | 10 | ||||
| -rw-r--r-- | README | 10 | ||||
| -rw-r--r-- | common/ft_build.c | 30 | ||||
| -rw-r--r-- | include/configs/stxxtc.h | 2 |
4 files changed, 45 insertions, 7 deletions
@@ -2,6 +2,16 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Added CONFIG_ options for bd_t and env in flat dev tree + + CONFIG_OF_HAS_BD_T will put a copy of the bd_t + into the resulting flat device tree. + + CONFIG_OF_HAS_UBOOT_ENV will copy the environment + variables from u-boot into the flat device tree + + Patch by Kumar Gala 11 Jan 2006 + * Add support for 28F256J3A flah (=> 64 MB) on PM520 board * Fix compiler problem with at91rm9200dk board. @@ -413,6 +413,16 @@ The following options need to be configured: OF_CPU - The proper name of the cpus node. OF_TBCLK - The timebase frequency. + CONFIG_OF_HAS_BD_T + + The resulting flat device tree will have a copy of the bd_t. + Space should be pre-allocated in the dts for the bd_t. + + CONFIG_OF_HAS_UBOOT_ENV + + The resulting flat device tree will have a copy of u-boot's + environment variables + - Serial Ports: CFG_PL010_SERIAL diff --git a/common/ft_build.c b/common/ft_build.c index 65a274f840..57194581a1 100644 --- a/common/ft_build.c +++ b/common/ft_build.c @@ -529,6 +529,7 @@ extern uchar(*env_get_char) (int); #define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) } +#ifdef CONFIG_OF_HAS_BD_T static const struct { const char *name; int offset; @@ -574,19 +575,24 @@ static const struct { #endif BDM(baudrate), }; +#endif void ft_setup(void *blob, int size, bd_t * bd) { - DECLARE_GLOBAL_DATA_PTR; - u8 *end; u32 *p; int len; struct ft_cxt cxt; - int i, k, nxt; - static char tmpenv[256]; - char *s, *lval, *rval; ulong clock; - uint32_t v; +#if defined(CONFIG_OF_HAS_UBOOT_ENV) + int k, nxt; +#endif +#if defined(CONFIG_OF_HAS_BD_T) + u8 *end; +#endif +#if defined(CONFIG_OF_HAS_UBOOT_ENV) || defined(CONFIG_OF_HAS_BD_T) + int i; + static char tmpenv[256]; +#endif /* disable OF tree; booting old kernel */ if (getenv("disable_of") != NULL) { @@ -610,9 +616,12 @@ void ft_setup(void *blob, int size, bd_t * bd) /* back into root */ ft_backtrack_node(&cxt); +#ifdef CONFIG_OF_HAS_UBOOT_ENV ft_begin_node(&cxt, "u-boot-env"); for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { + char *s, *lval, *rval; + for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) ; s = tmpenv; for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k) @@ -629,6 +638,7 @@ void ft_setup(void *blob, int size, bd_t * bd) } ft_end_node(&cxt); +#endif ft_begin_node(&cxt, "chosen"); @@ -647,14 +657,19 @@ void ft_setup(void *blob, int size, bd_t * bd) ft_dump_blob(blob); */ +#ifdef CONFIG_OF_HAS_BD_T /* paste the bd_t at the end of the flat tree */ end = (char *)blob + be32_to_cpu(((struct boot_param_header *)blob)->totalsize); memcpy(end, bd, sizeof(*bd)); +#endif #ifdef CONFIG_PPC +#ifdef CONFIG_OF_HAS_BD_T for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) { + uint32_t v; + sprintf(tmpenv, "/bd_t/%s", bd_map[i].name); v = *(uint32_t *)((char *)bd + bd_map[i].offset); @@ -670,6 +685,7 @@ void ft_setup(void *blob, int size, bd_t * bd) p = ft_get_prop(blob, "/bd_t/ethspeed", &len); if (p != NULL) *p = cpu_to_be32((uint32_t) bd->bi_ethspeed); +#endif clock = bd->bi_intfreq; p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len); @@ -680,7 +696,7 @@ void ft_setup(void *blob, int size, bd_t * bd) clock = OF_TBCLK; p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len); if (p != NULL) - *p = cpu_to_be32(OF_TBCLK); + *p = cpu_to_be32(clock); #endif #endif /* __powerpc__ */ diff --git a/include/configs/stxxtc.h b/include/configs/stxxtc.h index 3ffe6b2e05..be6c36cac9 100644 --- a/include/configs/stxxtc.h +++ b/include/configs/stxxtc.h @@ -584,5 +584,7 @@ typedef unsigned int led_id_t; #define OF_CPU "PowerPC,MPC870@0" #define OF_TBCLK (MPC8XX_HZ / 16) +#define CONFIG_OF_HAS_BD_T 1 +#define CONFIG_OF_HAS_UBOOT_ENV 1 #endif /* __CONFIG_H */ |