xref: /nrf52832-nimble/rt-thread/libcpu/ppc/ppc405/include/config.h (revision 104654410c56c573564690304ae786df310c91fc)
1 #ifndef __CONFIG_H
2 #define __CONFIG_H
3 
4 #define CONFIG_405EP		1	/* this is a PPC405 CPU */
5 #define CONFIG_4xx		1	/*  member of PPC4xx family */
6 
7 #define CONFIG_SYS_DCACHE_SIZE	(16 << 10)/* For AMCC 405 CPUs	*/
8 #define CONFIG_SYS_SDRAM_BASE	0x00000000	/* _must_ be 0		*/
9 
10 #define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size	*/
11 #define CONFIG_SYS_PROMPT	"=> "	/* Monitor Command Prompt	*/
12 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
13 
14 #define CONFIG_SYS_CLK_RECFG	0	/* Config the sys clks */
15 #define CONFIG_SYS_CLK_FREQ     33333333 /*3300000*//* external frequency to pll   */
16 #define CONFIG_SYS_HZ           100
17 #define CONFIG_SYS_PIT_RELOAD   (CONFIG_SYS_CLK_FREQ / CONFIG_SYS_HZ)
18 
19 /*
20  * UART
21  */
22 #define CONFIG_BAUDRATE		115200
23 #define CONFIG_SERIAL_MULTI
24 #define CONFIG_SYS_BAUDRATE_TABLE  \
25     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
26 
27 /*
28  * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
29  * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
30  * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
31  * The Linux BASE_BAUD define should match this configuration.
32  *    baseBaud = cpuClock/(uartDivisor*16)
33  * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
34  * set Linux BASE_BAUD to 403200.
35  */
36 #define CONFIG_SYS_BASE_BAUD		691200
37 #define CONFIG_UART1_CONSOLE		1
38 
39 /*-----------------------------------------------------------------------
40  * Start addresses for the final memory configuration
41  * (Set up by the startup code)
42  */
43 #define CONFIG_SYS_FLASH_BASE		0xFFE00000
44 
45 /*-----------------------------------------------------------------------
46  * FLASH organization
47  */
48 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
49 #define CONFIG_SYS_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/
50 
51 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
52 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
53 
54 #define CONFIG_SYS_FLASH_ADDR0         0x555
55 #define CONFIG_SYS_FLASH_ADDR1         0x2aa
56 #define CONFIG_SYS_FLASH_WORD_SIZE     unsigned short
57 
58 #endif	/* __CONFIG_H */
59