From 2119c0a7641d05ad8b6b8feb64d4c315716f6d3a Mon Sep 17 00:00:00 2001 From: Spencer Oliver Date: Wed, 3 Mar 2010 10:20:37 +0000 Subject: [PATCH] STM32: Add Value Line Flash Programming Support Signed-off-by: Spencer Oliver --- src/flash/nor/stm32x.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/src/flash/nor/stm32x.c b/src/flash/nor/stm32x.c index 53fc4ea23a..ebdcde7b86 100644 --- a/src/flash/nor/stm32x.c +++ b/src/flash/nor/stm32x.c @@ -743,6 +743,21 @@ static int stm32x_probe(struct flash_bank *bank) num_pages = 256; } } + else if ((device_id & 0x7ff) == 0x420) + { + /* value line density - we have 1k pages + * 4 pages for a protection area */ + page_size = 1024; + stm32x_info->ppage_size = 4; + + /* check for early silicon */ + if (num_pages == 0xffff) + { + /* number of sectors may be incorrrect on early silicon */ + LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 128k flash"); + num_pages = 128; + } + } else { LOG_WARNING("Cannot identify target as a STM32 family."); @@ -884,6 +899,27 @@ static int stm32x_info(struct flash_bank *bank, char *buf, int buf_size) break; } } + else if ((device_id & 0x7ff) == 0x420) + { + printed = snprintf(buf, buf_size, "stm32x (Value) - Rev: "); + buf += printed; + buf_size -= printed; + + switch (device_id >> 16) + { + case 0x1000: + snprintf(buf, buf_size, "A"); + break; + + case 0x1001: + snprintf(buf, buf_size, "Z"); + break; + + default: + snprintf(buf, buf_size, "unknown"); + break; + } + } else { snprintf(buf, buf_size, "Cannot identify target as a stm32x\n"); -- 2.30.2