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kmp204x: support for QRIO1 bootcounter

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Make use of the QRIO1 32bit register at 0x20 as bootcounter register
Check for BOOTCOUNT_MAGIC pattern when before bootcounter value is read

Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
[York Sun: Minor change to commit message]
Signed-off-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Rainer Boschung 2014-01-27 11:49:04 +01:00 committed by York Sun
parent 714fd406da
commit dd21f09669
2 changed files with 4 additions and 22 deletions
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20
board/keymile/kmp204x/kmp204x.c
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@ -133,26 +133,6 @@ void qrio_prstcfg(u8 bit, u8 mode)
out_be32(qrio_base + PRSTCFG_OFF, prstcfg); out_be32(qrio_base + PRSTCFG_OFF, prstcfg);
} }
#define BOOTCOUNT_OFF 0x12
void bootcount_store(ulong counter)
{
u8 val;
void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE;
val = (counter <= 255) ? (u8)counter : 255;
out_8(qrio_base + BOOTCOUNT_OFF, val);
}
ulong bootcount_load(void)
{
u8 val;
void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE;
val = in_8(qrio_base + BOOTCOUNT_OFF);
return val;
}
#define NUM_SRDS_BANKS 2 #define NUM_SRDS_BANKS 2
#define PHY_RST 15 #define PHY_RST 15

6
include/configs/km/kmp204x-common.h
View File

@ -148,8 +148,6 @@ unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_KM_KERNEL_ADDR 0x1000000 /* max kernel size 15.5Mbytes */ #define CONFIG_KM_KERNEL_ADDR 0x1000000 /* max kernel size 15.5Mbytes */
#define CONFIG_KM_FDT_ADDR 0x1F80000 /* max dtb size 0.5Mbytes */ #define CONFIG_KM_FDT_ADDR 0x1F80000 /* max dtb size 0.5Mbytes */
#define CONFIG_BOOTCOUNT_LIMIT
/* /*
* Local Bus Definitions * Local Bus Definitions
*/ */
@ -206,6 +204,10 @@ unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_QRIO_BR_PRELIM /* QRIO Base Address */ #define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_QRIO_BR_PRELIM /* QRIO Base Address */
#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_QRIO_OR_PRELIM /* QRIO Options */ #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_QRIO_OR_PRELIM /* QRIO Options */
/* bootcounter in QRIO */
#define CONFIG_BOOTCOUNT_LIMIT
#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_QRIO_BASE + 0x20)
#define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_BOARD_EARLY_INIT_R /* call board_early_init_r function */ #define CONFIG_BOARD_EARLY_INIT_R /* call board_early_init_r function */
#define CONFIG_MISC_INIT_R #define CONFIG_MISC_INIT_R