diff options
Diffstat (limited to 'include/asm-powerpc/cpm2.h')
| -rw-r--r-- | include/asm-powerpc/cpm2.h | 46 |
1 files changed, 33 insertions, 13 deletions
diff --git a/include/asm-powerpc/cpm2.h b/include/asm-powerpc/cpm2.h index 2c7fd9cee29..2a6fa0183ac 100644 --- a/include/asm-powerpc/cpm2.h +++ b/include/asm-powerpc/cpm2.h @@ -12,6 +12,7 @@ #include <asm/immap_cpm2.h> #include <asm/cpm.h> +#include <sysdev/fsl_soc.h> #ifdef CONFIG_PPC_85xx #define CPM_MAP_ADDR (get_immrbase() + 0x80000) @@ -93,10 +94,40 @@ extern cpm_cpm2_t __iomem *cpmp; /* Pointer to comm processor */ #define cpm_dpfree cpm_muram_free #define cpm_dpram_addr cpm_muram_addr -extern void cpm_setbrg(uint brg, uint rate); -extern void cpm2_fastbrg(uint brg, uint rate, int div16); extern void cpm2_reset(void); +/* Baud rate generators. +*/ +#define CPM_BRG_RST ((uint)0x00020000) +#define CPM_BRG_EN ((uint)0x00010000) +#define CPM_BRG_EXTC_INT ((uint)0x00000000) +#define CPM_BRG_EXTC_CLK3_9 ((uint)0x00004000) +#define CPM_BRG_EXTC_CLK5_15 ((uint)0x00008000) +#define CPM_BRG_ATB ((uint)0x00002000) +#define CPM_BRG_CD_MASK ((uint)0x00001ffe) +#define CPM_BRG_DIV16 ((uint)0x00000001) + +#define CPM2_BRG_INT_CLK (get_brgfreq()) +#define CPM2_BRG_UART_CLK (CPM2_BRG_INT_CLK/16) + +extern void __cpm2_setbrg(uint brg, uint rate, uint clk, int div16, int src); + +/* This function is used by UARTS, or anything else that uses a 16x + * oversampled clock. + */ +static inline void cpm_setbrg(uint brg, uint rate) +{ + __cpm2_setbrg(brg, rate, CPM2_BRG_UART_CLK, 0, CPM_BRG_EXTC_INT); +} + +/* This function is used to set high speed synchronous baud rate + * clocks. + */ +static inline void cpm2_fastbrg(uint brg, uint rate, int div16) +{ + __cpm2_setbrg(brg, rate, CPM2_BRG_INT_CLK, div16, CPM_BRG_EXTC_INT); +} + /* Function code bits, usually generic to devices. */ #define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ @@ -195,17 +226,6 @@ typedef struct smc_uart { #define SMCM_TX ((unsigned char)0x02) #define SMCM_RX ((unsigned char)0x01) -/* Baud rate generators. -*/ -#define CPM_BRG_RST ((uint)0x00020000) -#define CPM_BRG_EN ((uint)0x00010000) -#define CPM_BRG_EXTC_INT ((uint)0x00000000) -#define CPM_BRG_EXTC_CLK3_9 ((uint)0x00004000) -#define CPM_BRG_EXTC_CLK5_15 ((uint)0x00008000) -#define CPM_BRG_ATB ((uint)0x00002000) -#define CPM_BRG_CD_MASK ((uint)0x00001ffe) -#define CPM_BRG_DIV16 ((uint)0x00000001) - /* SCCs. */ #define SCC_GSMRH_IRP ((uint)0x00040000) |