Add support for the new second DRAM PLL found on the A33 SoC.
Signed-off-by: Hans de Goede hdegoede@redhat.com --- arch/arm/cpu/armv7/sunxi/clock_sun6i.c | 18 +++++++++++++++ arch/arm/include/asm/arch-sunxi/clock.h | 3 ++- arch/arm/include/asm/arch-sunxi/clock_sun6i.h | 33 +++++++++++++++++++++++---- 3 files changed, 49 insertions(+), 5 deletions(-)
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c index e2a7867..3bfa122 100644 --- a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c +++ b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c @@ -170,6 +170,24 @@ void clock_set_pll5(unsigned int clk, bool sigma_delta_enable) udelay(5500); }
+#ifdef CONFIG_MACH_SUN8I_A33 +void clock_set_pll11(unsigned int clk, bool sigma_delta_enable) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + if (sigma_delta_enable) + writel(CCM_PLL11_PATTERN, &ccm->pll5_pattern_cfg); + + writel(CCM_PLL11_CTRL_EN | CCM_PLL11_CTRL_UPD | + (sigma_delta_enable ? CCM_PLL11_CTRL_SIGMA_DELTA_EN : 0) | + CCM_PLL11_CTRL_N(clk / 24000000), &ccm->pll11_cfg); + + while (readl(&ccm->pll11_cfg) & CCM_PLL11_CTRL_UPD) + ; +} +#endif + unsigned int clock_get_pll6(void) { struct sunxi_ccm_reg *const ccm = diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h index ad4fb26..8d1eebe 100644 --- a/arch/arm/include/asm/arch-sunxi/clock.h +++ b/arch/arm/include/asm/arch-sunxi/clock.h @@ -16,7 +16,8 @@
/* clock control module regs definition */ #if defined(CONFIG_MACH_SUN6I) || \ - defined(CONFIG_MACH_SUN8I_A23) + defined(CONFIG_MACH_SUN8I_A23) || \ + defined(CONFIG_MACH_SUN8I_A33) #include <asm/arch/clock_sun6i.h> #elif defined(CONFIG_MACH_SUN9I) #include <asm/arch/clock_sun9i.h> diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h index d625970..c88b140 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h @@ -31,7 +31,7 @@ struct sunxi_ccm_reg { u32 mipi_pll_cfg; /* 0x40 MIPI pll control */ u32 pll9_cfg; /* 0x44 pll9 control */ u32 pll10_cfg; /* 0x48 pll10 control */ - u32 reserved8; + u32 pll11_cfg; /* 0x4c pll11 (ddr1) control (A33 only) */ u32 cpu_axi_cfg; /* 0x50 CPU/AXI divide ratio */ u32 ahb1_apb1_div; /* 0x54 AHB1/APB1 divide ratio */ u32 apb2_div; /* 0x58 APB2 divide ratio */ @@ -63,7 +63,8 @@ struct sunxi_ccm_reg { u32 reserved12[7]; u32 mdfs_clk_cfg; /* 0xf0 MDFS clock control */ u32 dram_clk_cfg; /* 0xf4 DRAM configuration clock control */ - u32 reserved13[2]; + u32 dram_pll_cfg; /* 0xf8 PLL_DDR cfg register, A33 only */ + u32 mbus_reset; /* 0xfc MBUS reset control, A33 only */ u32 dram_clk_gate; /* 0x100 DRAM module gating */ u32 be0_clk_cfg; /* 0x104 BE0 module clock */ u32 be1_clk_cfg; /* 0x108 BE1 module clock */ @@ -126,7 +127,9 @@ struct sunxi_ccm_reg { u32 mipi_pattern_cfg; /* 0x2a0 MIPI Pattern config */ u32 pll9_pattern_cfg; /* 0x2a4 PLL9 Pattern config */ u32 pll10_pattern_cfg; /* 0x2a8 PLL10 Pattern config */ - u32 reserved22[5]; + u32 pll11_pattern_cfg0; /* 0x2ac PLL11 Pattern config0, A33 only */ + u32 pll11_pattern_cfg1; /* 0x2b0 PLL11 Pattern config0, A33 only */ + u32 reserved22[3]; u32 ahb_reset0_cfg; /* 0x2c0 AHB1 Reset 0 config */ u32 ahb_reset1_cfg; /* 0x2c4 AHB1 Reset 1 config */ u32 ahb_reset2_cfg; /* 0x2c8 AHB1 Reset 2 config */ @@ -195,6 +198,11 @@ struct sunxi_ccm_reg { #define CCM_PLL6_CTRL_K_SHIFT 4 #define CCM_PLL6_CTRL_K_MASK (0x3 << CCM_PLL6_CTRL_K_SHIFT)
+#define CCM_PLL11_CTRL_N(n) ((((n) - 1) & 0x3f) << 8) +#define CCM_PLL11_CTRL_SIGMA_DELTA_EN (0x1 << 24) +#define CCM_PLL11_CTRL_UPD (0x1 << 30) +#define CCM_PLL11_CTRL_EN (0x1 << 31) + #define AHB1_ABP1_DIV_DEFAULT 0x00002020
#define AXI_GATE_OFFSET_DRAM 0 @@ -216,6 +224,7 @@ struct sunxi_ccm_reg {
/* ahb_gate1 offsets */ #define AHB_GATE_OFFSET_DRC0 25 +#define AHB_GATE_OFFSET_DE_FE0 14 #define AHB_GATE_OFFSET_DE_BE0 12 #define AHB_GATE_OFFSET_HDMI 11 #define AHB_GATE_OFFSET_LCD1 5 @@ -248,12 +257,23 @@ struct sunxi_ccm_reg {
#define MDFS_CLK_DEFAULT 0x81000002 /* PLL6 / 3 */
+#define CCM_DRAMCLK_CFG_DIV(x) ((x - 1) << 0) +#define CCM_DRAMCLK_CFG_DIV_MASK (0xf << 0) #define CCM_DRAMCLK_CFG_DIV0(x) ((x - 1) << 8) #define CCM_DRAMCLK_CFG_DIV0_MASK (0xf << 8) #define CCM_DRAMCLK_CFG_UPD (0x1 << 16) #define CCM_DRAMCLK_CFG_RST (0x1 << 31)
+#define CCM_DRAMPLL_CFG_SRC_PLL5 (0x0 << 16) /* Select PLL5 (DDR0) */ +#define CCM_DRAMPLL_CFG_SRC_PLL11 (0x1 << 16) /* Select PLL11 (DDR1) */ +#define CCM_DRAMPLL_CFG_SRC_MASK (0x1 << 16) + +#define CCM_MBUS_RESET_RESET (0x1 << 31) + +#define CCM_DRAM_GATE_OFFSET_DE_FE0 24 +#define CCM_DRAM_GATE_OFFSET_DE_FE1 25 #define CCM_DRAM_GATE_OFFSET_DE_BE0 26 +#define CCM_DRAM_GATE_OFFSET_DE_BE1 27
#define CCM_LCD_CH0_CTRL_PLL3 (0 << 24) #define CCM_LCD_CH0_CTRL_PLL7 (1 << 24) @@ -280,13 +300,15 @@ struct sunxi_ccm_reg { #define CCM_HDMI_CTRL_DDC_GATE (0x1 << 30) #define CCM_HDMI_CTRL_GATE (0x1 << 31)
-#if defined CONFIG_MACH_SUN8I_A23 +#if defined CONFIG_MACH_SUN8I_A23 || defined CONFIG_MACH_SUN8I_A33 #define MBUS_CLK_DEFAULT 0x81000003 /* PLL6 / 4 */ #else #define MBUS_CLK_DEFAULT 0x81000001 /* PLL6 / 2 */ #endif +#define MBUS_CLK_GATE (0x1 << 31)
#define CCM_PLL5_PATTERN 0xd1303333 +#define CCM_PLL11_PATTERN 0xf5860000
/* ahb_reset0 offsets */ #define AHB_RESET_OFFSET_GMAC 17 @@ -299,7 +321,9 @@ struct sunxi_ccm_reg { #define AHB_RESET_OFFSET_SS 5
/* ahb_reset1 offsets */ +#define AHB_RESET_OFFSET_SAT 26 #define AHB_RESET_OFFSET_DRC0 25 +#define AHB_RESET_OFFSET_DE_FE0 14 #define AHB_RESET_OFFSET_DE_BE0 12 #define AHB_RESET_OFFSET_HDMI 11 #define AHB_RESET_OFFSET_LCD1 5 @@ -326,6 +350,7 @@ struct sunxi_ccm_reg { void clock_set_pll1(unsigned int hz); void clock_set_pll3(unsigned int hz); void clock_set_pll5(unsigned int clk, bool sigma_delta_enable); +void clock_set_pll11(unsigned int clk, bool sigma_delta_enable); unsigned int clock_get_pll6(void); #endif