Enable automatic clock gating on rk3568, which solves a 7c temperature difference on SoQuartz compared to downstream.
Signed-off-by: Peter Geis pgwipeout@gmail.com --- arch/arm/mach-rockchip/rk3568/rk3568.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/arch/arm/mach-rockchip/rk3568/rk3568.c b/arch/arm/mach-rockchip/rk3568/rk3568.c index 5f239d89a7a9..0e0a7f5b54f2 100644 --- a/arch/arm/mach-rockchip/rk3568/rk3568.c +++ b/arch/arm/mach-rockchip/rk3568/rk3568.c @@ -25,6 +25,15 @@ #define EMMC_HPROT_SECURE_CTRL 0x03 #define SDMMC0_HPROT_SECURE_CTRL 0x01
+#define PMU_BASE_ADDR 0xfdd90000 +#define PMU_NOC_AUTO_CON0 (0x70) +#define PMU_NOC_AUTO_CON1 (0x74) +#define EDP_PHY_GRF_BASE 0xfdcb0000 +#define EDP_PHY_GRF_CON0 (EDP_PHY_GRF_BASE + 0x00) +#define EDP_PHY_GRF_CON10 (EDP_PHY_GRF_BASE + 0x28) +#define CPU_GRF_BASE 0xfdc30000 +#define GRF_CORE_PVTPLL_CON0 (0x10) + /* PMU_GRF_GPIO0D_IOMUX_L */ enum { GPIO0D1_SHIFT = 4, @@ -99,6 +108,20 @@ void board_debug_uart_init(void) int arch_cpu_init(void) { #ifdef CONFIG_SPL_BUILD + /* + * When perform idle operation, corresponding clock can + * be opened or gated automatically. + */ + writel(0xffffffff, PMU_BASE_ADDR + PMU_NOC_AUTO_CON0); + writel(0x000f000f, PMU_BASE_ADDR + PMU_NOC_AUTO_CON1); + + /* Disable eDP phy by default */ + writel(0x00070007, EDP_PHY_GRF_CON10); + writel(0x0ff10ff1, EDP_PHY_GRF_CON0); + + /* Set core pvtpll ring length */ + writel(0x00ff002b, CPU_GRF_BASE + GRF_CORE_PVTPLL_CON0); + /* Set the emmc sdmmc0 to secure */ rk_clrreg(SGRF_BASE + SGRF_SOC_CON4, (EMMC_HPROT_SECURE_CTRL << 11 | SDMMC0_HPROT_SECURE_CTRL << 4));