diff options
author | Greg Ungerer <gerg@uclinux.org> | 2012-04-17 15:29:34 +1000 |
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committer | Greg Ungerer <gerg@uclinux.org> | 2012-05-20 21:22:00 +1000 |
commit | 4bf648fa98f44c29c1cc2d1846455e07e858a330 (patch) | |
tree | fe1302f4152fc67816b3510e23cdc492bdef5613 /arch/m68k/platform/coldfire/m523x.c | |
parent | a654730ec1cd5b4bc170e7ae7ee358f2a7a554c2 (diff) |
m68knommu: move the 523x platform code into the common ColdFire code directory
All these separate directories for each ColdFire CPU SoC varient seems like
overkill. The majority of them only contain a single small config file. Move
these into the common ColdFire code directory.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68k/platform/coldfire/m523x.c')
-rw-r--r-- | arch/m68k/platform/coldfire/m523x.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/m68k/platform/coldfire/m523x.c b/arch/m68k/platform/coldfire/m523x.c new file mode 100644 index 00000000000..5d57a424941 --- /dev/null +++ b/arch/m68k/platform/coldfire/m523x.c @@ -0,0 +1,88 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/523x/config.c + * + * 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/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(ADDR, 13, 3), + MCFGPF(DATAH, 16, 8), + MCFGPF(DATAL, 24, 8), + MCFGPF(BUSCTL, 32, 8), + MCFGPF(BS, 40, 4), + MCFGPF(CS, 49, 7), + MCFGPF(SDRAM, 56, 6), + MCFGPF(FECI2C, 64, 4), + MCFGPF(UARTH, 72, 2), + MCFGPF(UARTL, 80, 8), + MCFGPF(QSPI, 88, 5), + MCFGPF(TIMER, 96, 8), + MCFGPF(ETPU, 104, 3), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + +static void __init m523x_qspi_init(void) +{ + 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) */ + +/***************************************************************************/ + +static void __init m523x_fec_init(void) +{ + u16 par; + u8 v; + + /* Set multi-function pins to ethernet use */ + par = readw(MCF_IPSBAR + 0x100082); + writew(par | 0xf00, MCF_IPSBAR + 0x100082); + v = readb(MCF_IPSBAR + 0x100078); + writeb(v | 0xc0, MCF_IPSBAR + 0x100078); +} + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ + mach_sched_init = hw_timer_init; + m523x_fec_init(); +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + m523x_qspi_init(); +#endif +} + +/***************************************************************************/ |