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 --- board/keymile/common/common.c | 35 +++++++++++++++++++++++++++++++++++ board/keymile/common/common.h | 1 + board/keymile/km83xx/km83xx.c | 13 +++++++++++++ board/keymile/km_arm/km_arm.c | 11 +++++++++++ board/keymile/mgcoge/mgcoge.c | 13 +++++++++++++ include/configs/keymile-common.h | 3 +++ include/configs/km_arm.h | 5 +++++ 7 files changed, 81 insertions(+), 0 deletions(-)
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c index 6136884..25c4539 100644 --- a/board/keymile/common/common.c +++ b/board/keymile/common/common.c @@ -42,6 +42,7 @@
extern int i2c_soft_read_pin (void); extern int i2c_make_abort (void); +extern unsigned int arch_ram_size(void);
int ivm_calc_crc (unsigned char *buf, int len) { @@ -73,6 +74,40 @@ int ivm_calc_crc (unsigned char *buf, int len) return crc; }
+/* 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 = arch_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 = arch_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 8fd3125..acf19af 100644 --- a/board/keymile/common/common.h +++ b/board/keymile/common/common.h @@ -22,6 +22,7 @@ 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 c625b5d..1ee5ee0 100644 --- a/board/keymile/km83xx/km83xx.c +++ b/board/keymile/km83xx/km83xx.c @@ -30,6 +30,8 @@
#include "../common/common.h"
+DECLARE_GLOBAL_DATA_PTR; + extern void disable_addr_trans (void); extern void enable_addr_trans (void); const qe_iop_conf_t qe_iop_conf_tab[] = { @@ -177,6 +179,17 @@ int misc_init_r (void) return 0; }
+unsigned int arch_ram_size(void) +{ + return gd->bd->bi_memsize; +} + +int last_stage_init(void) +{ + set_km_env(); + return 0; +} + int fixed_sdram(void) { volatile 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 3dc63ea..1b5426a 100644 --- a/board/keymile/km_arm/km_arm.c +++ b/board/keymile/km_arm/km_arm.c @@ -210,6 +210,12 @@ 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[]) { @@ -273,6 +279,11 @@ void dram_init_banksize(void) } }
+unsigned int arch_ram_size(void) +{ + return gd->ram_size; +} + /* Configure and enable MV88E1118 PHY */ void reset_phy(void) { diff --git a/board/keymile/mgcoge/mgcoge.c b/board/keymile/mgcoge/mgcoge.c index 44dc7a5..e932633 100644 --- a/board/keymile/mgcoge/mgcoge.c +++ b/board/keymile/mgcoge/mgcoge.c @@ -37,6 +37,8 @@
#include "../common/common.h"
+DECLARE_GLOBAL_DATA_PTR; + /* * I/O Port configuration table * @@ -310,6 +312,17 @@ int board_early_init_r (void) return 0; }
+unsigned int arch_ram_size(void) +{ + return gd->bd->bi_memsize; +} + +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 33f2af2..142a6a1 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 1 +#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 578438e..cb14ada 100644 --- a/include/configs/km_arm.h +++ b/include/configs/km_arm.h @@ -251,4 +251,9 @@ 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 */