Due to board limitation some SSD's would work on rock960 PCIe M.2 only with 1.8V IO domain.
So, this patch enables grf io_sel explicitly to make PCIe/M.2 to work.
Cc: Tom Cubie tom@radxa.com Signed-off-by: Jagan Teki jagan@amarulasolutions.com Acked-by: Manivannan Sadhasivam manivannan.sadhasivam@linaro.org --- Changes for v3: - collect mani a-b - add comments
board/vamrs/rock960_rk3399/rock960-rk3399.c | 23 +++++++++++++++++++++ configs/rock960-rk3399_defconfig | 5 +++++ 2 files changed, 28 insertions(+)
diff --git a/board/vamrs/rock960_rk3399/rock960-rk3399.c b/board/vamrs/rock960_rk3399/rock960-rk3399.c index 68a127b9ac..ef1eb2d0b7 100644 --- a/board/vamrs/rock960_rk3399/rock960-rk3399.c +++ b/board/vamrs/rock960_rk3399/rock960-rk3399.c @@ -2,3 +2,26 @@ /* * Copyright (C) 2018 Manivannan Sadhasivam manivannan.sadhasivam@linaro.org */ + +#include <common.h> +#include <syscon.h> +#include <asm/io.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/grf_rk3399.h> +#include <asm/arch-rockchip/hardware.h> + +#ifdef CONFIG_MISC_INIT_R +int misc_init_r(void) +{ + struct rk3399_grf_regs *grf = + syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + + /** + * Some SSD's to work on rock960 would require explicit + * domain voltage change, so BT565 is in 1.8v domain + */ + rk_setreg(&grf->io_vsel, BIT(0)); + + return 0; +} +#endif diff --git a/configs/rock960-rk3399_defconfig b/configs/rock960-rk3399_defconfig index 045d989a19..64517f9623 100644 --- a/configs/rock960-rk3399_defconfig +++ b/configs/rock960-rk3399_defconfig @@ -9,6 +9,7 @@ CONFIG_DEBUG_UART_BASE=0xFF1A0000 CONFIG_DEBUG_UART_CLOCK=24000000 CONFIG_DEBUG_UART=y CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock960.dtb" +CONFIG_MISC_INIT_R=y CONFIG_DISPLAY_BOARDINFO_LATE=y # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set CONFIG_SPL_STACK_R=y @@ -19,6 +20,7 @@ CONFIG_CMD_BOOTZ=y CONFIG_CMD_GPT=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y +CONFIG_CMD_PCI=y # CONFIG_CMD_SETEXPR is not set CONFIG_CMD_TIME=y CONFIG_CMD_PMIC=y @@ -36,10 +38,13 @@ CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_SDMA=y CONFIG_MMC_SDHCI_ROCKCHIP=y CONFIG_DM_ETH=y +CONFIG_NVME=y +CONFIG_PCI=y CONFIG_PMIC_RK8XX=y CONFIG_REGULATOR_PWM=y CONFIG_REGULATOR_RK8XX=y CONFIG_PWM_ROCKCHIP=y +CONFIG_DM_RESET=y CONFIG_BAUDRATE=1500000 CONFIG_DEBUG_UART_SHIFT=2 CONFIG_SYSRESET=y