Release 4.9 arch/m68k/coldfire/m54xx.c
/***************************************************************************/
/*
* m54xx.c -- platform support for ColdFire 54xx based boards
*
* Copyright (C) 2010, Philippe De Muyter <phdm@macqel.be>
*/
/***************************************************************************/
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/clk.h>
#include <linux/bootmem.h>
#include <asm/pgalloc.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
#include <asm/m54xxsim.h>
#include <asm/mcfuart.h>
#include <asm/mcfclk.h>
#include <asm/m54xxgpt.h>
#ifdef CONFIG_MMU
#include <asm/mmu_context.h>
#endif
/***************************************************************************/
DEFINE_CLK(pll, "pll.0", MCF_CLK);
DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
DEFINE_CLK(mcfslt0, "mcfslt.0", MCF_BUSCLK);
DEFINE_CLK(mcfslt1, "mcfslt.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfuart3, "mcfuart.3", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
&clk_sys,
&clk_mcfslt0,
&clk_mcfslt1,
&clk_mcfuart0,
&clk_mcfuart1,
&clk_mcfuart2,
&clk_mcfuart3,
NULL
};
/***************************************************************************/
static void __init m54xx_uarts_init(void)
{
/* enable io pins */
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD, MCFGPIO_PAR_PSC0);
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS,
MCFGPIO_PAR_PSC1);
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS |
MCF_PAR_PSC_CTS_CTS, MCFGPIO_PAR_PSC2);
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD, MCFGPIO_PAR_PSC3);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| greg ungerer | greg ungerer | 29 | 55.77% | 2 | 66.67% |
| philippe de muyter | philippe de muyter | 23 | 44.23% | 1 | 33.33% |
| Total | 52 | 100.00% | 3 | 100.00% |
/***************************************************************************/
static void mcf54xx_reset(void)
{
/* disable interrupts and enable the watchdog */
asm("movew #0x2700, %sr\n");
__raw_writel(0, MCF_GPT_GMS0);
__raw_writel(MCF_GPT_GCIR_CNT(1), MCF_GPT_GCIR0);
__raw_writel(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4),
MCF_GPT_GMS0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| philippe de muyter | philippe de muyter | 40 | 97.56% | 1 | 50.00% |
| greg ungerer | greg ungerer | 1 | 2.44% | 1 | 50.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
/***************************************************************************/
void __init config_BSP(char *commandp, int size)
{
#ifdef CONFIG_MMU
cf_bootmem_alloc();
mmu_context_init();
#endif
mach_reset = mcf54xx_reset;
mach_sched_init = hw_timer_init;
m54xx_uarts_init();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| philippe de muyter | philippe de muyter | 18 | 51.43% | 1 | 20.00% |
| greg ungerer | greg ungerer | 17 | 48.57% | 4 | 80.00% |
| Total | 35 | 100.00% | 5 | 100.00% |
/***************************************************************************/
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| greg ungerer | greg ungerer | 180 | 61.02% | 8 | 88.89% |
| philippe de muyter | philippe de muyter | 115 | 38.98% | 1 | 11.11% |
| Total | 295 | 100.00% | 9 | 100.00% |