diff options
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/clock_sun4i.c | 27 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/clock_sun6i.c | 29 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/clock.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/clock_sun4i.h | 45 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/clock_sun6i.h | 59 |
5 files changed, 161 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c index a0e49d179f..49f4032e9c 100644 --- a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c +++ b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c @@ -180,6 +180,21 @@ void clock_set_pll1(unsigned int hz) } #endif +void clock_set_pll3(unsigned int clk) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + if (clk == 0) { + clrbits_le32(&ccm->pll3_cfg, CCM_PLL3_CTRL_EN); + return; + } + + /* PLL3 rate = 3000000 * m */ + writel(CCM_PLL3_CTRL_EN | CCM_PLL3_CTRL_INTEGER_MODE | + CCM_PLL3_CTRL_M(clk / 3000000), &ccm->pll3_cfg); +} + unsigned int clock_get_pll5p(void) { struct sunxi_ccm_reg *const ccm = @@ -200,3 +215,15 @@ unsigned int clock_get_pll6(void) int k = ((rval & CCM_PLL6_CTRL_K_MASK) >> CCM_PLL6_CTRL_K_SHIFT) + 1; return 24000000 * n * k / 2; } + +void clock_set_de_mod_clock(u32 *clk_cfg, unsigned int hz) +{ + int pll = clock_get_pll5p(); + int div = 1; + + while ((pll / div) > hz) + div++; + + writel(CCM_DE_CTRL_GATE | CCM_DE_CTRL_RST | CCM_DE_CTRL_PLL5P | + CCM_DE_CTRL_M(div), clk_cfg); +} diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c index 16ab6f3729..8e949c6901 100644 --- a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c +++ b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c @@ -127,6 +127,23 @@ void clock_set_pll1(unsigned int clk) } #endif +void clock_set_pll3(unsigned int clk) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + const int m = 8; /* 3 MHz steps just like sun4i, sun5i and sun7i */ + + if (clk == 0) { + clrbits_le32(&ccm->pll3_cfg, CCM_PLL3_CTRL_EN); + return; + } + + /* PLL3 rate = 24000000 * n / m */ + writel(CCM_PLL3_CTRL_EN | CCM_PLL3_CTRL_INTEGER_MODE | + CCM_PLL3_CTRL_N(clk / (24000000 / m)) | CCM_PLL3_CTRL_M(m), + &ccm->pll3_cfg); +} + void clock_set_pll5(unsigned int clk) { struct sunxi_ccm_reg * const ccm = @@ -151,3 +168,15 @@ unsigned int clock_get_pll6(void) int k = ((rval & CCM_PLL6_CTRL_K_MASK) >> CCM_PLL6_CTRL_K_SHIFT) + 1; return 24000000 * n * k / 2; } + +void clock_set_de_mod_clock(u32 *clk_cfg, unsigned int hz) +{ + int pll = clock_get_pll6() * 2; + int div = 1; + + while ((pll / div) > hz) + div++; + + writel(CCM_DE_CTRL_GATE | CCM_DE_CTRL_PLL6_2X | CCM_DE_CTRL_M(div), + clk_cfg); +} diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h index b40c16b6e7..64acff3504 100644 --- a/arch/arm/include/asm/arch-sunxi/clock.h +++ b/arch/arm/include/asm/arch-sunxi/clock.h @@ -25,9 +25,11 @@ int clock_init(void); int clock_twi_onoff(int port, int state); void clock_set_pll1(unsigned int hz); +void clock_set_pll3(unsigned int hz); void clock_set_pll5(unsigned int hz); unsigned int clock_get_pll5p(void); unsigned int clock_get_pll6(void); +void clock_set_de_mod_clock(u32 *clk_cfg, unsigned int hz); void clock_init_safe(void); void clock_init_uart(void); #endif diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h index 6c0430ccde..eb889695d9 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h @@ -186,12 +186,20 @@ struct sunxi_ccm_reg { /* ahb clock gate bit offset (second register) */ #define AHB_GATE_OFFSET_GMAC 17 +#define AHB_GATE_OFFSET_DE_BE0 12 +#define AHB_GATE_OFFSET_HDMI 11 +#define AHB_GATE_OFFSET_LCD1 5 +#define AHB_GATE_OFFSET_LCD0 4 #define CCM_AHB_GATE_GPS (0x1 << 26) #define CCM_AHB_GATE_SDRAM (0x1 << 14) #define CCM_AHB_GATE_DLL (0x1 << 15) #define CCM_AHB_GATE_ACE (0x1 << 16) +#define CCM_PLL3_CTRL_M(n) (((n) & 0x7f) << 0) +#define CCM_PLL3_CTRL_INTEGER_MODE (0x1 << 15) +#define CCM_PLL3_CTRL_EN (0x1 << 31) + #define CCM_PLL5_CTRL_M(n) (((n) & 0x3) << 0) #define CCM_PLL5_CTRL_M_MASK CCM_PLL5_CTRL_M(0x3) #define CCM_PLL5_CTRL_M_X(n) ((n) - 1) @@ -253,6 +261,34 @@ struct sunxi_ccm_reg { #define CCM_MMC_CTRL_ENABLE (0x1 << 31) +#define CCM_DRAM_GATE_OFFSET_DE_BE0 26 + +#define CCM_LCD_CH0_CTRL_PLL3 (0 << 24) +#define CCM_LCD_CH0_CTRL_PLL7 (1 << 24) +#define CCM_LCD_CH0_CTRL_PLL3_2X (2 << 24) +#define CCM_LCD_CH0_CTRL_PLL7_2X (3 << 24) +#define CCM_LCD_CH0_CTRL_RST (0x1 << 30) +#define CCM_LCD_CH0_CTRL_GATE (0x1 << 31) + +#define CCM_LCD_CH1_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +/* We leave bit 11 set to 0, so sclk1 == sclk2 */ +#define CCM_LCD_CH1_CTRL_PLL3 (0 << 24) +#define CCM_LCD_CH1_CTRL_PLL7 (1 << 24) +#define CCM_LCD_CH1_CTRL_PLL3_2X (2 << 24) +#define CCM_LCD_CH1_CTRL_PLL7_2X (3 << 24) +/* Enable / disable both ch1 sclk1 and sclk2 at the same time */ +#define CCM_LCD_CH1_CTRL_GATE (0x1 << 31 | 0x1 << 15) + +#define CCM_HDMI_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_HDMI_CTRL_PLL_MASK (3 << 24) +#define CCM_HDMI_CTRL_PLL3 (0 << 24) +#define CCM_HDMI_CTRL_PLL7 (1 << 24) +#define CCM_HDMI_CTRL_PLL3_2X (2 << 24) +#define CCM_HDMI_CTRL_PLL7_2X (3 << 24) +/* No separate ddc gate on sun4i, sun5i and sun7i */ +#define CCM_HDMI_CTRL_DDC_GATE 0 +#define CCM_HDMI_CTRL_GATE (0x1 << 31) + #define CCM_GMAC_CTRL_TX_CLK_SRC_MII 0x0 #define CCM_GMAC_CTRL_TX_CLK_SRC_EXT_RGMII 0x1 #define CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII 0x2 @@ -266,4 +302,13 @@ struct sunxi_ccm_reg { #define CCM_USB_CTRL_PHY1_CLK 0 #define CCM_USB_CTRL_PHY2_CLK 0 +/* CCM bits common to all Display Engine (and IEP) clock ctrl regs */ +#define CCM_DE_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_DE_CTRL_PLL_MASK (3 << 24) +#define CCM_DE_CTRL_PLL3 (0 << 24) +#define CCM_DE_CTRL_PLL7 (1 << 24) +#define CCM_DE_CTRL_PLL5P (2 << 24) +#define CCM_DE_CTRL_RST (1 << 30) +#define CCM_DE_CTRL_GATE (1 << 31) + #endif /* _SUNXI_CLOCK_SUN4I_H */ diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h index e16a7647ed..50a4b699aa 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h @@ -176,13 +176,18 @@ struct sunxi_ccm_reg { #define CCM_PLL1_CTRL_MAGIC (0x1 << 16) #define CCM_PLL1_CTRL_EN (0x1 << 31) +#define CCM_PLL3_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_PLL3_CTRL_N(n) ((((n) - 1) & 0x7f) << 8) +#define CCM_PLL3_CTRL_INTEGER_MODE (0x1 << 24) +#define CCM_PLL3_CTRL_EN (0x1 << 31) + #define CCM_PLL5_CTRL_M(n) ((((n) - 1) & 0x3) << 0) #define CCM_PLL5_CTRL_K(n) ((((n) - 1) & 0x3) << 4) #define CCM_PLL5_CTRL_N(n) ((((n) - 1) & 0x1f) << 8) #define CCM_PLL5_CTRL_UPD (0x1 << 20) #define CCM_PLL5_CTRL_EN (0x1 << 31) -#define PLL6_CFG_DEFAULT 0x90041811 +#define PLL6_CFG_DEFAULT 0x90041811 /* 600 MHz */ #define CCM_PLL6_CTRL_N_SHIFT 8 #define CCM_PLL6_CTRL_N_MASK (0x1f << CCM_PLL6_CTRL_N_SHIFT) @@ -193,6 +198,7 @@ struct sunxi_ccm_reg { #define AXI_GATE_OFFSET_DRAM 0 +/* ahb_gate0 offsets */ #define AHB_GATE_OFFSET_USB_OHCI1 30 #define AHB_GATE_OFFSET_USB_OHCI0 29 #define AHB_GATE_OFFSET_USB_EHCI1 27 @@ -204,6 +210,13 @@ struct sunxi_ccm_reg { #define AHB_GATE_OFFSET_MMC0 8 #define AHB_GATE_OFFSET_MMC(n) (AHB_GATE_OFFSET_MMC0 + (n)) +/* ahb_gate1 offsets */ +#define AHB_GATE_OFFSET_DRC0 25 +#define AHB_GATE_OFFSET_DE_BE0 12 +#define AHB_GATE_OFFSET_HDMI 11 +#define AHB_GATE_OFFSET_LCD1 5 +#define AHB_GATE_OFFSET_LCD0 4 + #define CCM_MMC_CTRL_OSCM24 (0x0 << 24) #define CCM_MMC_CTRL_PLL6 (0x1 << 24) @@ -223,8 +236,34 @@ struct sunxi_ccm_reg { #define CCM_DRAMCLK_CFG_UPD (0x1 << 16) #define CCM_DRAMCLK_CFG_RST (0x1 << 31) +#define CCM_DRAM_GATE_OFFSET_DE_BE0 26 + +#define CCM_LCD_CH0_CTRL_PLL3 (0 << 24) +#define CCM_LCD_CH0_CTRL_PLL7 (1 << 24) +#define CCM_LCD_CH0_CTRL_PLL3_2X (2 << 24) +#define CCM_LCD_CH0_CTRL_PLL7_2X (3 << 24) +#define CCM_LCD_CH0_CTRL_MIPI_PLL (4 << 24) +#define CCM_LCD_CH0_CTRL_GATE (0x1 << 31) + +#define CCM_LCD_CH1_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_LCD_CH1_CTRL_PLL3 (0 << 24) +#define CCM_LCD_CH1_CTRL_PLL7 (1 << 24) +#define CCM_LCD_CH1_CTRL_PLL3_2X (2 << 24) +#define CCM_LCD_CH1_CTRL_PLL7_2X (3 << 24) +#define CCM_LCD_CH1_CTRL_GATE (0x1 << 31) + +#define CCM_HDMI_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_HDMI_CTRL_PLL_MASK (3 << 24) +#define CCM_HDMI_CTRL_PLL3 (0 << 24) +#define CCM_HDMI_CTRL_PLL7 (1 << 24) +#define CCM_HDMI_CTRL_PLL3_2X (2 << 24) +#define CCM_HDMI_CTRL_PLL7_2X (3 << 24) +#define CCM_HDMI_CTRL_DDC_GATE (0x1 << 30) +#define CCM_HDMI_CTRL_GATE (0x1 << 31) + #define MBUS_CLK_DEFAULT 0x81000001 /* PLL6 / 2 */ +/* ahb_reset0 offsets */ #define AHB_RESET_OFFSET_MCTL 14 #define AHB_RESET_OFFSET_MMC3 11 #define AHB_RESET_OFFSET_MMC2 10 @@ -232,10 +271,28 @@ struct sunxi_ccm_reg { #define AHB_RESET_OFFSET_MMC0 8 #define AHB_RESET_OFFSET_MMC(n) (AHB_RESET_OFFSET_MMC0 + (n)) +/* ahb_reset0 offsets */ +#define AHB_RESET_OFFSET_DRC0 25 +#define AHB_RESET_OFFSET_DE_BE0 12 +#define AHB_RESET_OFFSET_HDMI 11 +#define AHB_RESET_OFFSET_LCD1 5 +#define AHB_RESET_OFFSET_LCD0 4 + /* apb2 reset */ #define APB2_RESET_UART_SHIFT (16) #define APB2_RESET_UART_MASK (0xff << APB2_RESET_UART_SHIFT) #define APB2_RESET_TWI_SHIFT (0) #define APB2_RESET_TWI_MASK (0xf << APB2_RESET_TWI_SHIFT) +/* CCM bits common to all Display Engine (and IEP) clock ctrl regs */ +#define CCM_DE_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_DE_CTRL_PLL_MASK (0xf << 24) +#define CCM_DE_CTRL_PLL3 (0 << 24) +#define CCM_DE_CTRL_PLL7 (1 << 24) +#define CCM_DE_CTRL_PLL6_2X (2 << 24) +#define CCM_DE_CTRL_PLL8 (3 << 24) +#define CCM_DE_CTRL_PLL9 (4 << 24) +#define CCM_DE_CTRL_PLL10 (5 << 24) +#define CCM_DE_CTRL_GATE (1 << 31) + #endif /* _SUNXI_CLOCK_SUN6I_H */ |