From 90311be09f653499a1f4bd8198955ae79e00b51c Mon Sep 17 00:00:00 2001 From: Igor Opaniuk Date: Thu, 22 Oct 2020 11:21:41 +0300 Subject: [PATCH] apalis-imx8: add implementation for board_mem_get_layout Add implementation of board_mem_get_layout for overriding the memory layout. Signed-off-by: Igor Opaniuk Acked-by: Oleksandr Suvorov --- board/toradex/apalis-imx8/apalis-imx8.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/board/toradex/apalis-imx8/apalis-imx8.c b/board/toradex/apalis-imx8/apalis-imx8.c index 9263b0f51f..2ed66261d2 100644 --- a/board/toradex/apalis-imx8/apalis-imx8.c +++ b/board/toradex/apalis-imx8/apalis-imx8.c @@ -37,6 +37,29 @@ static void setup_iomux_uart(void) imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } +void board_mem_get_layout(u64 *phys_sdram_1_start, + u64 *phys_sdram_1_size, + u64 *phys_sdram_2_start, + u64 *phys_sdram_2_size) +{ + u32 is_quadplus = 0, val = 0; + sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val); + + if (scierr == SC_ERR_NONE) { + /* QP has one A72 core disabled */ + is_quadplus = ((val >> 4) & 0x3) != 0x0; + } + + *phys_sdram_1_start = PHYS_SDRAM_1; + *phys_sdram_1_size = PHYS_SDRAM_1_SIZE; + *phys_sdram_2_start = PHYS_SDRAM_2; + if (is_quadplus) + /* Our QP based SKUs only have 2 GB RAM (PHYS_SDRAM_1_SIZE) */ + *phys_sdram_2_size = 0x0UL; + else + *phys_sdram_2_size = PHYS_SDRAM_2_SIZE; +} + int board_early_init_f(void) { sc_pm_clock_rate_t rate = SC_80MHZ; -- 2.39.5