[U-Boot] [PATCH V2] ppc4xx: fix PMC440 painit command

[Matthias Fuchs <matthias.fuchs@esd.eu>]

This patch fixes the PMC440 BSP command painit. The implementation was
broken since the step to the new environment handling.

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
---
V2: rebased

 board/esd/pmc440/cmd_pmc440.c |   17 +++++++++++++++--
 1 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/board/esd/pmc440/cmd_pmc440.c b/board/esd/pmc440/cmd_pmc440.c
index 0202876..647e658 100644
--- a/board/esd/pmc440/cmd_pmc440.c
+++ b/board/esd/pmc440/cmd_pmc440.c
@@ -342,7 +342,8 @@ U_BOOT_CMD(
 
 #if defined(CONFIG_PRAM)
 #include <environment.h>
-extern env_t *env_ptr;
+#include <search.h>
+#include <errno.h>
 
 int do_painit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
@@ -351,6 +352,10 @@ int do_painit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	u32 param;
 	ulong *lptr;
 
+	env_t *envp;
+	char *res;
+	int len;
+
 	v = getenv("pram");
 	if (v)
 		pram = simple_strtoul(v, NULL, 10);
@@ -384,7 +389,15 @@ int do_painit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 	/* env is first (4k aligned) */
 	nextbase -= ((CONFIG_ENV_SIZE + 4096 - 1) & ~(4096 - 1));
-	memcpy((void*)nextbase, env_ptr, CONFIG_ENV_SIZE);
+	envp = (env_t *)nextbase;
+	res = (char *)envp->data;
+	len = hexport_r(&env_htab, '\0', &res, ENV_SIZE, 0, NULL);
+	if (len < 0) {
+		error("Cannot export environment: errno = %d\n", errno);
+		return 1;
+	}
+	envp->crc = crc32(0, envp->data, ENV_SIZE);
+
 	*(--lptr) = CONFIG_ENV_SIZE;     /* size */
 	*(--lptr) = base - nextbase;  /* offset | type=0 */
 
-- 
1.6.1