FreeCalypso > hg > fc-magnetite

annotate src/cs/drivers/drv_core/clkm/clkm.c @ 168:282f1cffad52

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
TCS3.2 version of aci_dti_mng.lib compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Oct 2016 07:00:10 +0000
parents 945cf7f506b2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 Property of Texas Instruments -- For Unrestricted Internal Use Only
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 Unauthorized reproduction and/or distribution is strictly prohibited. This
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 product is protected under copyright law and trade secret law as an
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 unpublished work. Created 1987, (C) Copyright 1997 Texas Instruments. All
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 rights reserved.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 Filename : clkm.c
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 Description : Set of functions useful to test the Saturn
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 CLKM peripheral
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 Project : drivers
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 Author : pmonteil@tif.ti.com Patrice Monteil.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 Version number : 1.13
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 Date : 05/23/03
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 Previous delta : 10/23/01 14:43:31
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 Sccs Id (SID) : '@(#) clkm.c 1.11 10/23/01 14:43:31 '
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 *****************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 //############################################################
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 //############################################################
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 //### Be careful: this file must be placed in Flash Memory ###
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 //### and compiled in 16 bits length intructions ###
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 //### (CF. the function wait_ARM_cycles() ###
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 //############################################################
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 //############################################################
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 #include "l1sw.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 #include "chipset.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 #include "board.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 #include "swconfig.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 #if (OP_L1_STANDALONE == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 #include "main/sys_types.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 #include "sys_types.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 #include "clkm.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 #if (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 #include "sys_memif.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 #include "memif/mem.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 #if (BOARD == 34)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 #include "armio/armio.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 #include "timer/timer.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 static SYS_UWORD32 ratio_wait_loop = 0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 #if (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 const double dsp_div_value[CLKM_NB_DSP_DIV_VALUE] = {1, 1.5, 2, 3};
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 #if (BOARD == 34)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 * CLKM_InitARMClock()
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 * This init is for VTCX0 = 13 MHz
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 * (use CLKM_VTCXO_26 if VTCX0 is 26 MHz)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 * Parameters : src : 0x0 means EXT CLK (mpu dpll) selected
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 * 0x1 means VTCX0 selected
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 * div : Division factor applied to clock
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 * source
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 * (div = 3 -> divise by 3/2 in fact)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 * WARNING : reverse order in comparison to ULYSSE
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 * Return : none
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 * Functionality :Initialize the ARM Clock frequency
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 void CLKM_InitARMClock(int src, int div)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) CLKM_ARM_CLK;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 int clk_xp5, clk_div;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 if (div == 3)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 clk_xp5 = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 clk_xp5 = 0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 if (div == 2)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 clk_div = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 else if (div == 4)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 clk_div = 0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 clk_div = 3;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 cntl &= ~(MASK_ARM_MCLK_1P5 | CLKM_MCLK_DIV);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 cntl |= ((clk_xp5 << 3) | (clk_div << 4));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 * (volatile SYS_UWORD16 *) CLKM_ARM_CLK = cntl;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 if (src)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 CLKM_EnableDPLL(0);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 CLKM_EnableDPLL(1);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 * CLKM_SetMclkDiv
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 * Set divider
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 * Parameter : 2-bit divider as per spec (0-7)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 * Side-effect : compute magic delay for busy loops
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 void CLKM_SetMclkDiv(int div)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 volatile SYS_UWORD16 clkm_ctrl;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 clkm_ctrl = *((volatile SYS_UWORD16 *) CLKM_ARM_CLK); // read register
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 clkm_ctrl &= ~CLKM_MCLK_DIV;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 clkm_ctrl |= (div << 4);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 *((volatile SYS_UWORD16 *) CLKM_ARM_CLK) = clkm_ctrl;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 * CLKM_EnableDPLL
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 * Enable or disable 48mhz PLL for ARM clock
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 * Parameter : 1 or 0
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 * Side-effect : compute magic delay for busy loops
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 void CLKM_EnableDPLL(int enable)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 volatile SYS_UWORD16 clkm_ctrl;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 // read CLKM register
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 clkm_ctrl = *((volatile SYS_UWORD16 *) CLKM_ARM_CLK);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 if (enable)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 // PARAMETERS tuned for the AVENGER 2 reference design
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 // we wait before accessing external memory at wake up
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 // we have 2.5 ms margin before the first IT TDMA, we wait
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 //
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 // 5000 loop cycles
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 // 5000 * 5 arm7 cycles
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 // giving <= 1 ms at 26 MHz
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 //
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 wait_ARM_cycles(5000);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 // reset bit for VTCXO
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 clkm_ctrl &= ~CLKM_CLKIN_SEL;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 *((volatile SYS_UWORD16 *) CLKM_ARM_CLK) = clkm_ctrl;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 // disable clk48mhz
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 AI_ResetBit(6);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 * CLKM_EnableSharedMemClock
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 * Enable or disable shared mem clock
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 * Parameter : 1 or 0
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 void CLKM_EnableSharedMemClock(int enable)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 if (enable)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 // request shared mem clock and wait for MPU HW acknowledge
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 AI_ResetBit(4);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 while(AI_ReadBit(5)!=1);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 // disable shared mem clock
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 AI_SetBit(4);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 * CLKM_InitLeadClock
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 * Parameter : onoff, mul, ndiv, div
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 * onoff -> (1:pll on) (0: pll off)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 * if div = 0 -> x(plmul+1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 * if div = 1 -> x(plmul+1)/2 if plmul is even
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 * x(plmul/4) if plmul is odd
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 * ndiv
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 void CLKM_InitLeadClock(int onoff, int mul, int ndiv, int div)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 int pldiv, pllndiv ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 SYS_UWORD16 value = 0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 value |= onoff & CLKM_PLONOFF ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 value |= (mul << 1) & CLKM_PLMUL;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 value |= (ndiv << 5)& CLKM_PLLNDIV;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 value |= (div << 6) & CLKM_PLDIV;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 CLKM_INITLEADPLL(value);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 #elif ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 /*--------------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 /* CLKM_InitARMClock() */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 /*--------------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 /* Parameters : clk_src : 0x00 means DPLL selected */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 /* 0x01 means VTCX0 selected */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 /* 0x03 means CLKIN selected */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 /* clk_xp5 : Enable 1.5 or 2.5 division factor */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 /* (0 or 1) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 /* clk_div : Division factor applied to clock */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 /* source */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 /* WARNING : reverse order in comparison to ULYSSE */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 /* Return : none */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 /* Functionality :Initialize the ARM Clock frequency */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 /*--------------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 void CLKM_InitARMClock(SYS_UWORD16 clk_src, SYS_UWORD16 clk_div, SYS_UWORD16 clk_xp5)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) CLKM_ARM_CLK;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 cntl &= ~(CLKM_CLKIN0 | CLKM_CLKIN_SEL | CLKM_ARM_MCLK_XP5 | CLKM_MCLK_DIV);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 cntl |= ((clk_src << 1) | (clk_xp5 << 3) | (clk_div << 4));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 * (volatile SYS_UWORD16 *) CLKM_ARM_CLK = cntl;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 /*--------------------------------------------------------------
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 * CLKM_InitARMClock()
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 *--------------------------------------------------------------
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 * Parameters : clk_src : 0x00 means CLKIN selected
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 * 0x01 means 32 K selected
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 * 0x02 means External clock selected
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 * Return : none
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 * Functionality :Initialize the ARM Clock frequency
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 *--------------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 void CLKM_InitARMClock(SYS_UWORD16 clk_src, SYS_UWORD16 clk_div)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) CLKM_ARM_CLK;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 cntl &= ~(CLKM_LOW_FRQ | CLKM_CLKIN_SEL | CLKM_MCLK_DIV);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 cntl |= ((clk_src << 1) | (clk_div << 4));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 * (volatile SYS_UWORD16 *) CLKM_ARM_CLK = cntl;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 /* convert_nanosec_to_cycles() */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 /* parameter: time in 10E-9 seconds */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 /* return: Number of cycles for the wait_ARM_cycles() */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 /* function */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 /* Description: */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 /* ------------ */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 /* convert x nanoseconds in y cycles used by the ASM loop*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 /* function . Before calling this function, call the */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 /* initialize_wait_loop() function */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 /* Called when the HardWare needs time to wait */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 SYS_UWORD32 convert_nanosec_to_cycles(SYS_UWORD32 time)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 return( time / ratio_wait_loop);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292 /* initialize_wait_loop() */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 /* Description: */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 /* ------------ */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 /* Init the ratio used to convert time->Cycles according */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 /* to hardware parameters */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 /* measurement time for this function (ARM 39Mhz, 3 waits*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 /* states) = 75 micoseconds */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 void initialize_wait_loop(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 #if (BOARD == 34)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 unsigned long ulTimeSpent=0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 // set up timer 2 for wait_ARM_cycles function calibration
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 TM_EnableTimer (2);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 TM_ResetTimer (2, 0xFFFF, 0, 0);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 // run wait_ARM_cycles() for 10000 loops
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 wait_ARM_cycles(10000);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 // time spent expressed in timer cycles
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 // where 1 timer cycle = 2462 ns with prescale 0
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 // 13 MHz divided by 16 = timer clkin
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 // prescale 0 -> divided by 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 ulTimeSpent = TM_ReadTimer (2);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 TM_StopTimer (2);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 ulTimeSpent = 0xFFFF - ulTimeSpent;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 ulTimeSpent *= 2462;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 // compute ratio_wait_loop
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 ratio_wait_loop = (unsigned long)(ulTimeSpent/10000.);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329 #define NBR_CYCLES_IN_LOOP 5 // this value is got from an oscilloscope measurement
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 double src_ratio;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 double final_ratio;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 SYS_UWORD16 flash_access_size;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 SYS_UWORD16 flash_wait_state;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 SYS_UWORD32 nbr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 SYS_UWORD32 arm_clock;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 //////////////////////////////////
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 // compute the ARM clock used //
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 //////////////////////////////////
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 SYS_UWORD16 arm_mclk_xp5;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 SYS_UWORD16 arm_ratio;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 SYS_UWORD16 clk_src;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 SYS_UWORD16 clkm_cntl_arm_clk_reg = * (volatile SYS_UWORD16 *) CLKM_CNTL_ARM_CLK;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 clk_src = (clkm_cntl_arm_clk_reg & MASK_CLKIN) >> 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 switch (clk_src)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 case 0x00: //DPLL selected
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 // select the DPLL factor
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 #if (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 if (((* (volatile SYS_UWORD16 *) C_MAP_DPLL_BASE) & DPLL_LOCK) != 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 if (((* (volatile SYS_UWORD16 *) MEM_DPLL_ADDR) & DPLL_LOCK) != 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 SYS_UWORD16 dpll_div;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 SYS_UWORD16 dpll_mul;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 dpll_div=DPLL_READ_DPLL_DIV;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 dpll_mul=DPLL_READ_DPLL_MUL;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 src_ratio = (double)(dpll_mul)/(double)(dpll_div+1);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 else // DPLL in bypass mode
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 SYS_UWORD16 dpll_div = DPLL_BYPASS_DIV;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 src_ratio= (double)(1)/(double)(dpll_div+1);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 break;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 case 0x01: //VTCX0 selected
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374 src_ratio = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 break;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 case 0x03: //CLKIN selected (external clock)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 src_ratio = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 break;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 // define the division factor applied to clock source (CLKIN or VTCXO or DPLL)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 arm_ratio = (clkm_cntl_arm_clk_reg & CLKM_MCLK_DIV) >> 4;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
382
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 // check if the 1.5 or 2.5 division factor is enabled
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 arm_mclk_xp5 = clkm_cntl_arm_clk_reg & CLKM_ARM_MCLK_XP5;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386 if (arm_mclk_xp5 == 0) // division factor enable for ARM clock ?
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 if (arm_ratio == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 arm_ratio =1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
390 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
391 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 arm_ratio = ((arm_ratio>>1) & 0x0001) == 0 ? 1.5 : 2.5;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
395 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 src_ratio = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
397
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
398 // define the division factor applied to clock source (CLKIN or VTCXO or DPLL)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
399 arm_ratio = (clkm_cntl_arm_clk_reg & CLKM_MCLK_DIV) >> 4;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
400
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
401 // check if the 1.5 or 2.5 division factor is enabled
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
402 arm_mclk_xp5 = clkm_cntl_arm_clk_reg & MASK_ARM_MCLK_1P5;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
403
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
404 if (arm_mclk_xp5 == 1) // division factor enable for ARM clock ?
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
405 arm_ratio = 1.5;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
406 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
407 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
408 if (arm_ratio == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
409 arm_ratio = 4;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
410 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
411 if (arm_ratio == 1 )
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
412 arm_ratio = 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
413 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
414 arm_ratio = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
415 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
416
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
417 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
418
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
419 final_ratio = (src_ratio / (double) arm_ratio);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
420
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
421 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
422 //////////////////////////////////////////
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
423 // compute the Flash wait states used //
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
424 //////////////////////////////////////////
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
425
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
426 #if (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
427 flash_access_size = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
428 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
429 flash_access_size = *((volatile SYS_UWORD16 *) MEM_REG_nCS0);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
430 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
431 flash_access_size = (flash_access_size >> 5) & 0x0003; // 0=>8bits, 1=>16 bits, 2 =>32 bits
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
432
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
433 // the loop file is compiled in 16 bits it means
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
434 // flash 8 bits => 2 loads for 1 16 bits assembler instruction
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
435 // flash 16 bits => 1 loads for 1 16 bits assembler instruction
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
436 // flash/internal RAM 32 bits => 1 loads for 1 16 bits assembler instruction (ARM bus 16 bits !!)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
437
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
438 // !!!!!!!!! be careful: if this file is compile in 32 bits, change these 2 lines here after !!!
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
439 if (flash_access_size == 0) flash_access_size = 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
440 else flash_access_size = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
441
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
442 #if (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
443 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
444 * loop move to run in internal memory, due to page mode in external memory
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
445 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
446 flash_wait_state = 0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
447 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
448 flash_wait_state = *((volatile SYS_UWORD16 *) MEM_REG_nCS0);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
449 flash_wait_state &= 0x001F;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
450 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
451
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
452 //////////////////////////////////////
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
453 // compute the length of the loop //
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
454 //////////////////////////////////////
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
455
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
456 // Number of flash cycles for the assembler loop
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
457 nbr = NBR_CYCLES_IN_LOOP;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
458
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
459 // Number of ARM cycles for the assembler loop
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
460 nbr = nbr * (flash_wait_state + 1) * (flash_access_size);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
461
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
462 // time for the assembler loop (unit nanoseconds: 10E-9)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
463 arm_clock = final_ratio * 13; // ARM clock in Mhz
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
464 ratio_wait_loop = (SYS_UWORD32)((nbr*1000) / arm_clock);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
465 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
466 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
467
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
468 #if (CHIPSET != 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
469
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
470 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
471 /* wait_ARM_cycles() */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
472 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
473 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
474 /* Description: */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
475 /* ------------ */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
476 /* Called when the HardWare needs time to wait. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
477 /* this function wait x cycles and is used with the */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
478 /* convert_nanosec_to_cycles() & initialize_wait_loop() */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
479 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
480 /* Exemple: wait 10 micro seconds: */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
481 /* initialize_wait_loop(); */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
482 /* wait_ARM_cycles(convert_nanosec_to_cycles(10000)) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
483 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
484 /* minimum time value with cpt_loop = 0 (estimated) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
485 /* and C-SAMPLE / flash 6,5Mhz ~ 1,5 micro seconds */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
486 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
487 /* */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
488 /* Be careful : in order to respect the rule about the */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
489 /* conversion "time => number of cylcles in this loop" */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
490 /* (Cf the functions: convert_nanosec_to_cycles() and */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
491 /* initialize_wait_loop() ) respect the following rules: */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
492 /* This function must be placed in Flash Memory and */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
493 /* compiled in 16 bits instructions length */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
494 /*-------------------------------------------------------*/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
495 void wait_ARM_cycles(SYS_UWORD32 cpt_loop)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
496 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
497 // C code:
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
498 // while (cpt_loop -- != 0);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
499
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
500 asm(" CMP A1, #0");
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
501 asm(" BEQ END_FUNCTION");
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
502
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
503 asm("LOOP_LINE: ");
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
504 asm(" SUB A1, A1, #1");
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
505 asm(" CMP A1, #0");
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
506 asm(" BNE LOOP_LINE");
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
507
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
508 asm("END_FUNCTION: ");
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
509 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
510
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
511 #endif /* (CHIPSET != 12)*/