diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/qualcomm/dragonboard410c/Makefile | 2 | ||||
| -rw-r--r-- | board/qualcomm/dragonboard410c/dragonboard410c.c | 48 |
2 files changed, 45 insertions, 5 deletions
diff --git a/board/qualcomm/dragonboard410c/Makefile b/board/qualcomm/dragonboard410c/Makefile index 1b99c8b0efe..189f8381332 100644 --- a/board/qualcomm/dragonboard410c/Makefile +++ b/board/qualcomm/dragonboard410c/Makefile @@ -2,4 +2,4 @@ # # (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> -obj-y := dragonboard410c.o +obj-y := dragonboard410c.o diff --git a/board/qualcomm/dragonboard410c/dragonboard410c.c b/board/qualcomm/dragonboard410c/dragonboard410c.c index 1adac07569a..40b5448c6ef 100644 --- a/board/qualcomm/dragonboard410c/dragonboard410c.c +++ b/board/qualcomm/dragonboard410c/dragonboard410c.c @@ -12,14 +12,13 @@ #include <dm/pinctrl.h> #include <env.h> #include <init.h> +#include <mmc.h> #include <net.h> #include <usb.h> #include <asm/cache.h> #include <asm/global_data.h> #include <asm/gpio.h> #include <fdt_support.h> -#include <asm/arch/dram.h> -#include <asm/arch/misc.h> #include <linux/delay.h> DECLARE_GLOBAL_DATA_PTR; @@ -55,6 +54,49 @@ int board_usb_init(int index, enum usb_init_type init) return 0; } +/* UNSTUFF_BITS macro taken from Linux Kernel: drivers/mmc/core/sd.c */ +#define UNSTUFF_BITS(resp, start, size) \ + ({ \ + const int __size = size; \ + const u32 __mask = (__size < 32 ? 1 << __size : 0) - 1; \ + const int __off = 3 - ((start) / 32); \ + const int __shft = (start) & 31; \ + u32 __res; \ + \ + __res = resp[__off] >> __shft; \ + if (__size + __shft > 32) \ + __res |= resp[__off - 1] << ((32 - __shft) % 32); \ + __res & __mask; \ + }) + +static u32 msm_board_serial(void) +{ + struct mmc *mmc_dev; + + mmc_dev = find_mmc_device(0); + if (!mmc_dev) + return 0; + + if (mmc_init(mmc_dev)) + return 0; + + return UNSTUFF_BITS(mmc_dev->cid, 16, 32); +} + +static void msm_generate_mac_addr(u8 *mac) +{ + /* use locally adminstrated pool */ + mac[0] = 0x02; + mac[1] = 0x00; + + /* + * Put the 32-bit serial number in the last 32-bit of the MAC address. + * Use big endian order so it is consistent with the serial number + * written as a hexadecimal string, e.g. 0x1234abcd -> 02:00:12:34:ab:cd + */ + put_unaligned_be32(msm_board_serial(), &mac[2]); +} + /* Check for vol- button - if pressed - stop autoboot */ int misc_init_r(void) { @@ -103,8 +145,6 @@ int ft_board_setup(void *blob, struct bd_info *bd) { u8 mac[ARP_HLEN]; - msm_fixup_memory(blob); - if (!eth_env_get_enetaddr("wlanaddr", mac)) { msm_generate_mac_addr(mac); }; |