diff options
Diffstat (limited to 'arch/arm/mach-imx/include/mach/imx7-ccm-regs.h')
| -rw-r--r-- | arch/arm/mach-imx/include/mach/imx7-ccm-regs.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/arm/mach-imx/include/mach/imx7-ccm-regs.h b/arch/arm/mach-imx/include/mach/imx7-ccm-regs.h deleted file mode 100644 index 5c60794ca7..0000000000 --- a/arch/arm/mach-imx/include/mach/imx7-ccm-regs.h +++ /dev/null @@ -1,52 +0,0 @@ -#ifndef __MACH_IMX7_CCM_REGS_H__ -#define __MACH_IMX7_CCM_REGS_H__ - -#define IMX7_CCM_CCGR_UART1 148 -#define IMX7_CCM_CCGR_UART2 149 -#define IMX7_CCM_CCGR_UART3 150 - -#define IMX7_CLOCK_ROOT_INDEX(x) (((x) - 0x8000) / 128) - -/* - * Taken from "Table 5-11. Clock Root Table" from i.MX7 Dual Processor - * Reference Manual - */ -#define IMX7_UART1_CLK_ROOT IMX7_CLOCK_ROOT_INDEX(0xaf80) -#define IMX7_UART1_CLK_ROOT__OSC_24M IMX7_CCM_TARGET_ROOTn_MUX(0b000) - -#define IMX7_UART2_CLK_ROOT IMX7_CLOCK_ROOT_INDEX(0xb000) -#define IMX7_UART2_CLK_ROOT__OSC_24M IMX7_CCM_TARGET_ROOTn_MUX(0b000) - -#define IMX7_UART3_CLK_ROOT IMX7_CLOCK_ROOT_INDEX(0xb080) -#define IMX7_UART3_CLK_ROOT__OSC_24M IMX7_CCM_TARGET_ROOTn_MUX(0b000) - -/* 0 <= n <= 190 */ -#define IMX7_CCM_CCGRn_SET(n) (0x4004 + 16 * (n)) -#define IMX7_CCM_CCGRn_CLR(n) (0x4008 + 16 * (n)) - -/* 0 <= n <= 120 */ -#define IMX7_CCM_TARGET_ROOTn(n) (0x8000 + 128 * (n)) - -#define IMX7_CCM_TARGET_ROOTn_MUX(x) ((x) << 24) -#define IMX7_CCM_TARGET_ROOTn_ENABLE BIT(28) - - -#define IMX7_CCM_CCGR_SETTINGn(n, s) ((s) << ((n) * 4)) -#define IMX7_CCM_CCGR_SETTINGn_NOT_NEEDED(n) IMX7_CCM_CCGR_SETTINGn(n, 0b00) -#define IMX7_CCM_CCGR_SETTINGn_NEEDED_RUN(n) IMX7_CCM_CCGR_SETTINGn(n, 0b01) -#define IMX7_CCM_CCGR_SETTINGn_NEEDED_RUN_WAIT(n) IMX7_CCM_CCGR_SETTINGn(n, 0b10) -#define IMX7_CCM_CCGR_SETTINGn_NEEDED(n) IMX7_CCM_CCGR_SETTINGn(n, 0b11) - -static inline void imx7_early_setup_uart_clock(void) -{ - void __iomem *ccm = IOMEM(MX7_CCM_BASE_ADDR); - - writel(IMX7_CCM_CCGR_SETTINGn_NEEDED(0), - ccm + IMX7_CCM_CCGRn_CLR(IMX7_CCM_CCGR_UART1)); - writel(IMX7_CCM_TARGET_ROOTn_ENABLE | IMX7_UART1_CLK_ROOT__OSC_24M, - ccm + IMX7_CCM_TARGET_ROOTn(IMX7_UART1_CLK_ROOT)); - writel(IMX7_CCM_CCGR_SETTINGn_NEEDED(0), - ccm + IMX7_CCM_CCGRn_SET(IMX7_CCM_CCGR_UART1)); -} - -#endif |