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pico-imx6ul: Add support for the 512MB module

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Currently only the module with 256MB of RAM is supported.

Add support for the 512MB of RAM variant as well.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Fabio Estevam 2018-09-04 10:23:11 -03:00 committed by Stefano Babic
parent 558a37ce85
commit 000829fdb8
1 changed files with 24 additions and 3 deletions
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27
board/technexion/pico-imx6ul/spl.c
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@ -70,7 +70,6 @@ static struct mx6_ddr3_cfg mem_ddr = {
.density = 2, .density = 2,
.width = 16, .width = 16,
.banks = 8, .banks = 8,
.rowaddr = 14,
.coladdr = 10, .coladdr = 10,
.pagesz = 2, .pagesz = 2,
.trcd = 1350, .trcd = 1350,
@ -91,12 +90,34 @@ static void ccgr_init(void)
writel(0xFFFFFFFF, &ccm->CCGR6); writel(0xFFFFFFFF, &ccm->CCGR6);
} }
static void spl_dram_init(void) static void imx6ul_spl_dram_cfg_size(u32 ram_size)
{ {
if (ram_size == SZ_256M)
mem_ddr.rowaddr = 14;
else
mem_ddr.rowaddr = 15;
mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr); mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
} }
static void imx6ul_spl_dram_cfg(void)
{
ulong ram_size_test, ram_size = 0;
for (ram_size = SZ_512M; ram_size >= SZ_256M; ram_size >>= 1) {
imx6ul_spl_dram_cfg_size(ram_size);
ram_size_test = get_ram_size((long int *)PHYS_SDRAM, ram_size);
if (ram_size_test == ram_size)
break;
}
if (ram_size < SZ_256M) {
puts("ERROR: DRAM size detection failed\n");
hang();
}
}
void board_init_f(ulong dummy) void board_init_f(ulong dummy)
{ {
ccgr_init(); ccgr_init();
@ -104,7 +125,7 @@ void board_init_f(ulong dummy)
board_early_init_f(); board_early_init_f();
timer_init(); timer_init();
preloader_console_init(); preloader_console_init();
spl_dram_init(); imx6ul_spl_dram_cfg();
memset(__bss_start, 0, __bss_end - __bss_start); memset(__bss_start, 0, __bss_end - __bss_start);
board_init_r(NULL, 0); board_init_r(NULL, 0);
} }