kinetis : Detect MCU flash parameters based on the SDID register.
Try to detect the flash parameters based on the MCU SDID register. The hope is that this works for K and KL series MCUs but it has only been tested on a K21. YMMV. Change-Id: Idfe71383a449065267f393b09ee3c3b24ac6a803 Signed-off-by: Per Ekman <pekenator@gmail.com> Reviewed-on: http://openocd.zylin.com/1823 Tested-by: jenkins Reviewed-by: Paul Fertser <fercerpav@gmail.com> Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Per Ekman
Spencer Oliver
parent
537b75aa45
commit
1ab86419d7
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@ -84,14 +84,6 @@
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* and FlexNVM/FlexRAM, so flash command arguments may differ between
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* blocks in the same chip.
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*
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* Although not documented as such by Freescale, it appears that bits
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* 8:7 of the read-only SIM_SDID register reflect the granularity
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* settings 0..3, so sector sizes and block counts are applicable
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* according to the following table.
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* NB. These undocumented bits does not work for all MCUs.
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* A more reliable way is to detect the particular MCU model from the
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* SDID field and pick the correct granularity based on that. See
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* the handling of K21 in kinetis_read_part_info() for an example.
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*/
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const struct {
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@ -124,20 +116,55 @@ const struct {
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#define FTFx_CMD_SETFLEXRAM 0x81
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#define FTFx_CMD_MASSERASE 0x44
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#define KINETIS_SDID_FAMID_MASK 0x00000070
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#define KINETIS_SDID_FAMID_K10 0x00000000
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#define KINETIS_SDID_FAMID_K12 0x00000000
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#define KINETIS_SDID_FAMID_K20 0x00000010
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#define KINETIS_SDID_FAMID_K22 0x00000010
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#define KINETIS_SDID_FAMID_K30 0x00000020
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#define KINETIS_SDID_FAMID_K11 0x00000020
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#define KINETIS_SDID_FAMID_K61 0x00000020
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#define KINETIS_SDID_FAMID_K40 0x00000030
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#define KINETIS_SDID_FAMID_K21 0x00000030
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#define KINETIS_SDID_FAMID_K60 0x00000040
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#define KINETIS_SDID_FAMID_K62 0x00000040
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#define KINETIS_SDID_FAMID_K70 0x00000050
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#define KINETIS_SDID_FAMID_KW24 0x00000060
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/* The Kinetis K series uses the following SDID layout :
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* Bit 31-16 : 0
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* Bit 15-12 : REVID
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* Bit 11-7 : DIEID
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* Bit 6-4 : FAMID
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* Bit 3-0 : PINID
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*
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* The Kinetis KL series uses the following SDID layout :
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* Bit 31-28 : FAMID
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* Bit 27-24 : SUBFAMID
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* Bit 23-20 : SERIESID
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* Bit 19-16 : SRAMSIZE
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* Bit 15-12 : REVID
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* Bit 6-4 : Reserved (0)
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* Bit 3-0 : PINID
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*
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* SERIESID should be 1 for the KL-series so we assume that if
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* bits 31-16 are 0 then it's a K-series MCU.
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*/
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#define KINETIS_SDID_K_SERIES_MASK 0x0000FFFF
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#define KINETIS_SDID_DIEID_MASK 0x00000F80
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#define KINETIS_SDID_DIEID_K_A 0x00000100
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#define KINETIS_SDID_DIEID_K_B 0x00000200
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#define KINETIS_SDID_DIEID_KL 0x00000000
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/* We can't rely solely on the FAMID field to determine the MCU
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* type since some FAMID values identify multiple MCUs with
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* different flash sector sizes (K20 and K22 for instance).
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* Therefore we combine it with the DIEID bits which may possibly
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* break if Freescale bumps the DIEID for a particular MCU. */
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#define KINETIS_K_SDID_TYPE_MASK 0x00000FF0
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#define KINETIS_K_SDID_K10 0x00000000
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#define KINETIS_K_SDID_K11 0x00000220
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#define KINETIS_K_SDID_K12 0x00000200
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#define KINETIS_K_SDID_K20 0x00000290
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#define KINETIS_K_SDID_K21 0x00000230
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#define KINETIS_K_SDID_K22 0x00000210
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#define KINETIS_K_SDID_K30 0x00000120
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#define KINETIS_K_SDID_K40 0x00000130
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#define KINETIS_K_SDID_K50 0x000000E0
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#define KINETIS_K_SDID_K51 0x000000F0
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#define KINETIS_K_SDID_K53 0x00000170
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#define KINETIS_K_SDID_K60 0x000001C0
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#define KINETIS_K_SDID_K70 0x000001D0
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#define KINETIS_KL_SDID_SERIESID_MASK 0x00F00000
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#define KINETIS_KL_SDID_SERIESID_KL 0x00100000
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struct kinetis_flash_bank {
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unsigned granularity;
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@ -754,17 +781,51 @@ static int kinetis_read_part_info(struct flash_bank *bank)
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if (result != ERROR_OK)
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return result;
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/* Kinetis L Series SubFamily Check */
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kinfo->klxx = 0;
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i = (kinfo->sim_sdid >> 20) & 0x0F;
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if (i == 1) {
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/* K-series MCU? */
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if ((kinfo->sim_sdid & (~KINETIS_SDID_K_SERIES_MASK)) == 0) {
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uint32_t mcu_type = kinfo->sim_sdid & KINETIS_K_SDID_TYPE_MASK;
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switch (mcu_type) {
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case KINETIS_K_SDID_K20:
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/* 1kB sectors */
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granularity = 0;
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break;
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case KINETIS_K_SDID_K30:
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case KINETIS_K_SDID_K40:
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case KINETIS_K_SDID_K50:
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/* 2kB sectors, 1kB FlexNVM sectors */
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granularity = 1;
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break;
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case KINETIS_K_SDID_K11:
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case KINETIS_K_SDID_K12:
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case KINETIS_K_SDID_K21:
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case KINETIS_K_SDID_K22:
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case KINETIS_K_SDID_K51:
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case KINETIS_K_SDID_K53:
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case KINETIS_K_SDID_K60:
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/* 2kB sectors */
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granularity = 2;
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break;
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case KINETIS_K_SDID_K10:
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case KINETIS_K_SDID_K70:
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/* 4kB sectors */
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granularity = 3;
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break;
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default:
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LOG_ERROR("Unsupported K-family FAMID");
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return ERROR_FLASH_OPER_UNSUPPORTED;
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}
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}
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/* KL-series? */
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else if ((kinfo->sim_sdid & KINETIS_KL_SDID_SERIESID_MASK) == KINETIS_KL_SDID_SERIESID_KL) {
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kinfo->klxx = 1;
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granularity = 0;
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} else if ((kinfo->sim_sdid & KINETIS_SDID_FAMID_MASK)
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== KINETIS_SDID_FAMID_K21) {
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granularity = 2;
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} else
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granularity = (kinfo->sim_sdid >> 7) & 0x03;
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} else {
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LOG_ERROR("MCU is unsupported");
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return ERROR_FLASH_OPER_UNSUPPORTED;
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}
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result = target_read_u32(target, SIM_FCFG1, &kinfo->sim_fcfg1);
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if (result != ERROR_OK)
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