diff options
Diffstat (limited to 'arch/arm/mach-rockchip/include/mach/debug_ll.h')
-rw-r--r-- | arch/arm/mach-rockchip/include/mach/debug_ll.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/arch/arm/mach-rockchip/include/mach/debug_ll.h b/arch/arm/mach-rockchip/include/mach/debug_ll.h deleted file mode 100644 index af6257a674..0000000000 --- a/arch/arm/mach-rockchip/include/mach/debug_ll.h +++ /dev/null @@ -1,89 +0,0 @@ -#ifndef __MACH_DEBUG_LL_H__ -#define __MACH_DEBUG_LL_H__ - -#include <common.h> -#include <io.h> -#include <mach/rk3188-regs.h> -#include <mach/rk3288-regs.h> -#include <mach/rk3568-regs.h> - -#ifdef CONFIG_DEBUG_LL - -#ifdef CONFIG_DEBUG_ROCKCHIP_RK3188_UART - -#define UART_CLOCK 100000000 -#define RK_DEBUG_SOC RK3188 -#define serial_out(a, v) writeb(v, a) -#define serial_in(a) readb(a) - -#elif defined CONFIG_DEBUG_ROCKCHIP_RK3288_UART - -#define UART_CLOCK 24000000 -#define RK_DEBUG_SOC RK3288 -#define serial_out(a, v) writel(v, a) -#define serial_in(a) readl(a) - -#elif defined CONFIG_DEBUG_ROCKCHIP_RK3568_UART - -#define UART_CLOCK 24000000 -#define RK_DEBUG_SOC RK3568 -#define serial_out(a, v) writel(v, a) -#define serial_in(a) readl(a) - -#endif - -#define __RK_UART_BASE(soc, num) soc##_UART##num##_BASE -#define RK_UART_BASE(soc, num) __RK_UART_BASE(soc, num) - -#define LSR_THRE 0x20 /* Xmit holding register empty */ -#define LCR_BKSE 0x80 /* Bank select enable */ -#define LSR (5 << 2) -#define THR (0 << 2) -#define DLL (0 << 2) -#define IER (1 << 2) -#define DLM (1 << 2) -#define FCR (2 << 2) -#define LCR (3 << 2) -#define MCR (4 << 2) -#define MDR (8 << 2) - -static inline void INIT_LL(void) -{ - void __iomem *base = IOMEM(RK_UART_BASE(RK_DEBUG_SOC, - CONFIG_DEBUG_ROCKCHIP_UART_PORT)); - unsigned int divisor = DIV_ROUND_CLOSEST(UART_CLOCK, - 16 * CONFIG_BAUDRATE); - - serial_out(base + LCR, 0x00); - serial_out(base + IER, 0x00); - serial_out(base + MDR, 0x07); - serial_out(base + LCR, LCR_BKSE); - serial_out(base + DLL, divisor & 0xff); - serial_out(base + DLM, divisor >> 8); - serial_out(base + LCR, 0x03); - serial_out(base + MCR, 0x03); - serial_out(base + FCR, 0x07); - serial_out(base + MDR, 0x00); -} - -static inline void PUTC_LL(char c) -{ - void __iomem *base = IOMEM(RK_UART_BASE(RK_DEBUG_SOC, - CONFIG_DEBUG_ROCKCHIP_UART_PORT)); - - /* Wait until there is space in the FIFO */ - while ((serial_in(base + LSR) & LSR_THRE) == 0) - ; - /* Send the character */ - serial_out(base + THR, c); - /* Wait to make sure it hits the line, in case we die too soon. */ - while ((serial_in(base + LSR) & LSR_THRE) == 0) - ; -} -#else -static inline void INIT_LL(void) -{ -} -#endif - -#endif |