This patch adds last_stage_init to all keymile boards. And in the last stage init some environment variables for u-boot were set. Currently these are pnvramaddr, pram and var address.
Signed-off-by: Holger Brunck holger.brunck@keymile.com Signed-off-by: Heiko Schocher hs@denx.de cc: Valentin Longchamp valentin.longchamp@keymile.com cc: Wolfgang Denk wd@denx.de cc: Kim Phillips kim.phillips@freescale.com --- Changes for v2: - fix checkpatch.pl errors and warnings Changes for v3: - rebased only
board/keymile/common/common.c | 38 +++++++++++++++++++++++++++++++++++++- board/keymile/common/common.h | 1 + board/keymile/km83xx/km83xx.c | 6 ++++++ board/keymile/km_arm/km_arm.c | 6 ++++++ board/keymile/mgcoge/mgcoge.c | 6 ++++++ include/configs/keymile-common.h | 3 +++ include/configs/km_arm.h | 7 +++++++ 7 files changed, 66 insertions(+), 1 deletions(-)
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c index 8392a64..3908e63 100644 --- a/board/keymile/common/common.c +++ b/board/keymile/common/common.c @@ -42,6 +42,7 @@
static void i2c_write_start_seq(void); static int i2c_make_abort(void); +DECLARE_GLOBAL_DATA_PTR;
int ivm_calc_crc(unsigned char *buf, int len) { @@ -73,7 +74,42 @@ int ivm_calc_crc(unsigned char *buf, int len) return crc; }
-static int ivm_set_value(char *name, char *value) +/* + * Set Keymile specific environment variables + * Currently only some memory layout variables are calculated here + * ... ------------------------------------------------ + * ... |@rootfsaddr |@pnvramaddr |@varaddr |@reserved |@END_OF_RAM + * ... |<------------------- pram ------------------->| + * ... ------------------------------------------------ + * @END_OF_RAM: denotes the RAM size + * @pnvramaddr: Startadress of pseudo non volatile RAM in hex + * @pram : preserved ram size in k + * @varaddr : startadress for /var mounted into RAM + */ +int set_km_env(void) +{ + uchar buf[32]; + unsigned int pnvramaddr; + unsigned int pram; + unsigned int varaddr; + + pnvramaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM + - CONFIG_KM_PNVRAM; + sprintf((char *)buf, "0x%x", pnvramaddr); + setenv("pnvramaddr", (char *)buf); + + pram = (CONFIG_KM_RESERVED_PRAM + CONFIG_KM_PHRAM + CONFIG_KM_PNVRAM) / + 0x400; + sprintf((char *)buf, "0x%x", pram); + setenv("pram", (char *)buf); + + varaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM; + sprintf((char *)buf, "0x%x", varaddr); + setenv("varaddr", (char *)buf); + return 0; +} + +static int ivm_set_value(char *name, char *value) { char tempbuf[256];
diff --git a/board/keymile/common/common.h b/board/keymile/common/common.h index e32de8d..099de98 100644 --- a/board/keymile/common/common.h +++ b/board/keymile/common/common.h @@ -50,6 +50,7 @@ int ivm_read_eeprom(void); int keymile_hdlc_enet_initialize(bd_t *bis); #endif
+int set_km_env(void); int fdt_set_node_and_value(void *blob, char *nodename, char *regname, diff --git a/board/keymile/km83xx/km83xx.c b/board/keymile/km83xx/km83xx.c index f9186e8..17560c8 100644 --- a/board/keymile/km83xx/km83xx.c +++ b/board/keymile/km83xx/km83xx.c @@ -190,6 +190,12 @@ int misc_init_r(void) return 0; }
+int last_stage_init(void) +{ + set_km_env(); + return 0; +} + int fixed_sdram(void) { immap_t *im = (immap_t *)CONFIG_SYS_IMMR; diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c index cb999b2..c772ee2 100644 --- a/board/keymile/km_arm/km_arm.c +++ b/board/keymile/km_arm/km_arm.c @@ -212,6 +212,12 @@ int board_init(void) return 0; }
+int last_stage_init(void) +{ + set_km_env(); + return 0; +} + #if defined(CONFIG_CMD_SF) int do_spi_toggle(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { diff --git a/board/keymile/mgcoge/mgcoge.c b/board/keymile/mgcoge/mgcoge.c index a58256e..340016b 100644 --- a/board/keymile/mgcoge/mgcoge.c +++ b/board/keymile/mgcoge/mgcoge.c @@ -313,6 +313,12 @@ int board_early_init_r(void) return 0; }
+int last_stage_init(void) +{ + set_km_env(); + return 0; +} + int hush_init_var(void) { ivm_read_eeprom(); diff --git a/include/configs/keymile-common.h b/include/configs/keymile-common.h index 77e2090..da5a447 100644 --- a/include/configs/keymile-common.h +++ b/include/configs/keymile-common.h @@ -26,6 +26,9 @@
/* Do boardspecific init for all boards */ #define CONFIG_BOARD_EARLY_INIT_R +#define CONFIG_LAST_STAGE_INIT + +#define CONFIG_BOOTCOUNT_LIMIT
/* * By default kwbimage.cfg from board specific folder is used diff --git a/include/configs/km_arm.h b/include/configs/km_arm.h index 8cb0fe8..9c8d0e7 100644 --- a/include/configs/km_arm.h +++ b/include/configs/km_arm.h @@ -254,4 +254,11 @@ int get_scl (void); #define CONFIG_SYS_INIT_SP_ADDR 0xC8012000 /* Do early setups now in board_init_f() */ #define CONFIG_BOARD_EARLY_INIT_F + +/* + * resereved pram area at the end of memroy [hex] + * 8Mbytes for switch + 4Kbytes for bootcount + */ +#define CONFIG_KM_RESERVED_PRAM 0x801000 + #endif /* _CONFIG_KM_ARM_H */