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author | Igor Grinberg <grinberg@compulab.co.il> | 2014-11-03 11:32:18 +0200 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2014-11-06 11:04:40 -0500 |
commit | a937fd1682625b1f87b555e2af9117fcb2999d7c (patch) | |
tree | 6f39f972c9387f7af48fde11ecc941829debba62 | |
parent | 52d848695c36d2b6ce688d1403653653e82583b4 (diff) | |
download | u-boot-imx-a937fd1682625b1f87b555e2af9117fcb2999d7c.zip u-boot-imx-a937fd1682625b1f87b555e2af9117fcb2999d7c.tar.gz u-boot-imx-a937fd1682625b1f87b555e2af9117fcb2999d7c.tar.bz2 |
compulab: refactor board revision handling
Move board revision handling code to a common location
for further reuse.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
-rw-r--r-- | board/compulab/cm_t35/cm_t35.c | 21 | ||||
-rw-r--r-- | board/compulab/common/Makefile | 5 | ||||
-rw-r--r-- | board/compulab/common/common.c | 25 | ||||
-rw-r--r-- | board/compulab/common/common.h | 14 | ||||
-rw-r--r-- | board/compulab/common/eeprom.c | 14 |
5 files changed, 54 insertions, 25 deletions
diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c index d0b0930..5453942 100644 --- a/board/compulab/cm_t35/cm_t35.c +++ b/board/compulab/cm_t35/cm_t35.c @@ -33,6 +33,7 @@ #include <asm/ehci-omap.h> #include <asm/gpio.h> +#include "../common/common.h" #include "../common/eeprom.h" DECLARE_GLOBAL_DATA_PTR; @@ -154,34 +155,18 @@ int board_init(void) return 0; } -static u32 cm_t3x_rev; - /* * Routine: get_board_rev * Description: read system revision */ u32 get_board_rev(void) { - if (!cm_t3x_rev) - cm_t3x_rev = cl_eeprom_get_board_rev(); - - return cm_t3x_rev; + return cl_eeprom_get_board_rev(); }; -/* - * Routine: misc_init_r - * Description: display die ID - */ int misc_init_r(void) { - u32 board_rev = get_board_rev(); - u32 rev_major = board_rev / 100; - u32 rev_minor = board_rev - (rev_major * 100); - - if ((rev_minor / 10) * 10 == rev_minor) - rev_minor = rev_minor / 10; - - printf("PCB: %u.%u\n", rev_major, rev_minor); + cl_print_pcb_info(); dieid_num_r(); return 0; diff --git a/board/compulab/common/Makefile b/board/compulab/common/Makefile index 4044ac9..e343bf0 100644 --- a/board/compulab/common/Makefile +++ b/board/compulab/common/Makefile @@ -6,5 +6,6 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-$(CONFIG_SYS_I2C) += eeprom.o -obj-$(CONFIG_LCD) += omap3_display.o +obj-y += common.o +obj-$(CONFIG_SYS_I2C) += eeprom.o +obj-$(CONFIG_LCD) += omap3_display.o diff --git a/board/compulab/common/common.c b/board/compulab/common/common.c new file mode 100644 index 0000000..6d2d7b0 --- /dev/null +++ b/board/compulab/common/common.c @@ -0,0 +1,25 @@ +/* + * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il> + * + * Authors: Igor Grinberg <grinberg@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/bootm.h> + +#include "common.h" +#include "eeprom.h" + +void cl_print_pcb_info(void) +{ + u32 board_rev = get_board_rev(); + u32 rev_major = board_rev / 100; + u32 rev_minor = board_rev - (rev_major * 100); + + if ((rev_minor / 10) * 10 == rev_minor) + rev_minor = rev_minor / 10; + + printf("PCB: %u.%u\n", rev_major, rev_minor); +} diff --git a/board/compulab/common/common.h b/board/compulab/common/common.h new file mode 100644 index 0000000..316ee4c --- /dev/null +++ b/board/compulab/common/common.h @@ -0,0 +1,14 @@ +/* + * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il> + * + * Authors: Igor Grinberg <grinberg@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _CL_COMMON_ +#define _CL_COMMON_ + +void cl_print_pcb_info(void); + +#endif /* _CL_COMMON_ */ diff --git a/board/compulab/common/eeprom.c b/board/compulab/common/eeprom.c index 2df3ada..a45e7be 100644 --- a/board/compulab/common/eeprom.c +++ b/board/compulab/common/eeprom.c @@ -109,23 +109,27 @@ int cl_eeprom_read_mac_addr(uchar *buf) return cl_eeprom_read(offset, buf, 6); } +static u32 board_rev; + /* * Routine: cl_eeprom_get_board_rev * Description: read system revision from eeprom */ u32 cl_eeprom_get_board_rev(void) { - u32 rev = 0; char str[5]; /* Legacy representation can contain at most 4 digits */ uint offset = BOARD_REV_OFFSET_LEGACY; + if (board_rev) + return board_rev; + if (cl_eeprom_setup_layout()) return 0; if (cl_eeprom_layout != LAYOUT_LEGACY) offset = BOARD_REV_OFFSET; - if (cl_eeprom_read(offset, (uchar *)&rev, BOARD_REV_SIZE)) + if (cl_eeprom_read(offset, (uchar *)&board_rev, BOARD_REV_SIZE)) return 0; /* @@ -133,9 +137,9 @@ u32 cl_eeprom_get_board_rev(void) * representation. i.e. for rev 1.00: 0x100 --> 0x64 */ if (cl_eeprom_layout == LAYOUT_LEGACY) { - sprintf(str, "%x", rev); - rev = simple_strtoul(str, NULL, 10); + sprintf(str, "%x", board_rev); + board_rev = simple_strtoul(str, NULL, 10); } - return rev; + return board_rev; }; |