Print more detail information including core voltage, RCW source, switch settings, etc. with bdinfo command.
Signed-off-by: York Sun yorksun@freescale.com CC: Wolfgang Denk wd@denx.de CC: Tom Rini trini@ti.com --- board/freescale/t4qds/t4qds.c | 100 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+)
diff --git a/board/freescale/t4qds/t4qds.c b/board/freescale/t4qds/t4qds.c index a84218c..c1bb8bf 100644 --- a/board/freescale/t4qds/t4qds.c +++ b/board/freescale/t4qds/t4qds.c @@ -643,6 +643,106 @@ void ft_board_setup(void *blob, bd_t *bd) }
/* + * This function is called by bdinfo to print detail board information. + * As an exmaple for future board, we organize the messages into + * several sections. If applicable, the message is in the format of + * <name> = <value> + * It should aligned with normal output of bdinfo command. + * + * Voltage: Core, DDR and another configurable voltages + * Clock : Critical clocks which are not printed already + * RCW : RCW source if not printed already + * Misc : Other important information not in above catagories + */ +void board_detail(void) +{ + int i; + u8 brdcfg[16], dutcfg[16], rst_ctl; + int vdd, rcwsrc; + static const char * const clk[] = {"66.67", "100", "125", "133.33"}; + + for (i = 0; i < 16; i++) { + brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i); + dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i); + } + + /* Voltage secion */ + if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR)) { + vdd = read_voltage(); + if (vdd > 0) + printf("Core voltage= %d mV\n", vdd); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + } + + printf("XVDD = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25); + + /* clock section */ + printf("SYSCLK = %s MHz\nDDRCLK = %s MHz\n", + clk[(brdcfg[11] >> 2) & 0x3], clk[brdcfg[11] & 3]); + + /* RCW section */ + rcwsrc = (dutcfg[0] << 1) + (dutcfg[1] & 1); + puts("RCW source = "); + switch (rcwsrc) { + case 0x017: + case 0x01f: + puts("8-bit NOR\n"); + break; + case 0x027: + case 0x02F: + puts("16-bit NOR\n"); + break; + case 0x040: + puts("SDHC/eMMC\n"); + break; + case 0x044: + puts("SPI 16-bit addressing\n"); + break; + case 0x045: + puts("SPI 24-bit addressing\n"); + break; + case 0x048: + puts("I2C normal addressing\n"); + break; + case 0x049: + puts("I2C extended addressing\n"); + break; + case 0x108: + case 0x109: + case 0x10a: + case 0x10b: + puts("8-bit NAND, 2KB\n"); + break; + default: + if ((rcwsrc >= 0x080) && (rcwsrc <= 0x09f)) + puts("Hard-coded RCW\n"); + else if ((rcwsrc >= 0x110) && (rcwsrc <= 0x11f)) + puts("8-bit NAND, 4KB\n"); + else + puts("unknown\n"); + break; + } + + /* Misc section */ + rst_ctl = QIXIS_READ(rst_ctl); + puts("HRESET_REQ = "); + switch (rst_ctl & 0x30) { + case 0x00: + puts("Ignored\n"); + break; + case 0x10: + puts("Assert HRESET\n"); + break; + case 0x30: + puts("Reset system\n"); + break; + default: + puts("N/A\n"); + break; + } +} + +/* * Reverse engineering switch settings. * Some bits cannot be figured out. They will be displayed as * underscore in binary format. mask[] has those bits.