Release 4.11 arch/m68k/coldfire/m523x.c
/***************************************************************************/
/*
* m523x.c -- platform support for ColdFire 523x based boards
*
* Sub-architcture dependent initialization code for the Freescale
* 523x CPUs.
*
* Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com)
* Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com)
*/
/***************************************************************************/
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>
#include <linux/io.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfclk.h>
/***************************************************************************/
DEFINE_CLK(pll, "pll.0", MCF_CLK);
DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
DEFINE_CLK(mcfpit0, "mcfpit.0", MCF_CLK);
DEFINE_CLK(mcfpit1, "mcfpit.1", MCF_CLK);
DEFINE_CLK(mcfpit2, "mcfpit.2", MCF_CLK);
DEFINE_CLK(mcfpit3, "mcfpit.3", MCF_CLK);
DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK);
DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
&clk_sys,
&clk_mcfpit0,
&clk_mcfpit1,
&clk_mcfpit2,
&clk_mcfpit3,
&clk_mcfuart0,
&clk_mcfuart1,
&clk_mcfuart2,
&clk_mcfqspi0,
&clk_fec0,
&clk_mcfi2c0,
NULL
};
/***************************************************************************/
static void __init m523x_qspi_init(void)
{
#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)
u16 par;
/* setup QSPS pins for QSPI with gpio CS control */
writeb(0x1f, MCFGPIO_PAR_QSPI);
/* and CS2 & CS3 as gpio */
par = readw(MCFGPIO_PAR_TIMER);
par &= 0x3f3f;
writew(par, MCFGPIO_PAR_TIMER);
#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steven King | 48 | 100.00% | 3 | 100.00% |
| Total | 48 | 100.00% | 3 | 100.00% |
/***************************************************************************/
static void __init m523x_i2c_init(void)
{
#if IS_ENABLED(CONFIG_I2C_IMX)
u8 par;
/* setup Port AS Pin Assignment Register for I2C */
/* set PASPA0 to SCL and PASPA1 to SDA */
par = readb(MCFGPIO_PAR_FECI2C);
par |= 0x0f;
writeb(par, MCFGPIO_PAR_FECI2C);
#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steven King | 41 | 100.00% | 1 | 100.00% |
| Total | 41 | 100.00% | 1 | 100.00% |
/***************************************************************************/
static void __init m523x_fec_init(void)
{
/* Set multi-function pins to ethernet use */
writeb(readb(MCFGPIO_PAR_FECI2C) | 0xf0, MCFGPIO_PAR_FECI2C);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Greg Ungerer | 22 | 100.00% | 2 | 100.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
/***************************************************************************/
void __init config_BSP(char *commandp, int size)
{
mach_sched_init = hw_timer_init;
m523x_fec_init();
m523x_qspi_init();
m523x_i2c_init();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Greg Ungerer | 20 | 76.92% | 4 | 66.67% |
| Steven King | 6 | 23.08% | 2 | 33.33% |
| Total | 26 | 100.00% | 6 | 100.00% |
/***************************************************************************/
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Greg Ungerer | 204 | 62.96% | 8 | 61.54% |
| Steven King | 120 | 37.04% | 5 | 38.46% |
| Total | 324 | 100.00% | 13 | 100.00% |
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