diff options
Diffstat (limited to 'arch/arm/mach-uniphier/micro-support-card.c')
| -rw-r--r-- | arch/arm/mach-uniphier/micro-support-card.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/micro-support-card.c b/arch/arm/mach-uniphier/micro-support-card.c index 1be5685c6f..46879019fd 100644 --- a/arch/arm/mach-uniphier/micro-support-card.c +++ b/arch/arm/mach-uniphier/micro-support-card.c @@ -18,6 +18,25 @@ #define MICRO_SUPPORT_CARD_RESET ((MICRO_SUPPORT_CARD_BASE) + 0xd0034) #define MICRO_SUPPORT_CARD_REVISION ((MICRO_SUPPORT_CARD_BASE) + 0xd00E0) +static bool support_card_found; + +static void support_card_detect(void) +{ + DECLARE_GLOBAL_DATA_PTR; + const void *fdt = gd->fdt_blob; + int offset; + + offset = fdt_node_offset_by_compatible(fdt, 0, "smsc,lan9118"); + if (offset < 0) + return; + + offset = fdt_node_offset_by_compatible(fdt, 0, "ns16550a"); + if (offset < 0) + return; + + support_card_found = true; +} + /* * 0: reset deassert, 1: reset * @@ -51,6 +70,11 @@ static int support_card_show_revision(void) void support_card_init(void) { + support_card_detect(); + + if (!support_card_found) + return; + support_card_reset(); /* * After power on, we need to keep the LAN controller in reset state @@ -67,6 +91,9 @@ void support_card_init(void) int board_eth_init(bd_t *bis) { + if (!support_card_found) + return 0; + return smc911x_initialize(0, SMC911X_BASE); } #endif @@ -161,6 +188,9 @@ static void detect_num_flash_banks(void) void support_card_late_init(void) { + if (!support_card_found) + return; + detect_num_flash_banks(); } @@ -221,6 +251,9 @@ void led_puts(const char *s) int i; u32 val = 0; + if (!support_card_found) + return; + if (!s) return; |