[U-Boot] [PATCH 2/2] mpc5xxx/cpu_init.c: Convert to IO accessors.
Detlev Zundel
dzu at denx.de
Fri Dec 18 17:35:57 CET 2009
Signed-off-by: Detlev Zundel <dzu at denx.de>
---
cpu/mpc5xxx/cpu_init.c | 126 +++++++++++++++++++++++++++++------------------
1 files changed, 78 insertions(+), 48 deletions(-)
diff --git a/cpu/mpc5xxx/cpu_init.c b/cpu/mpc5xxx/cpu_init.c
index 14bd417..acff5f5 100644
--- a/cpu/mpc5xxx/cpu_init.c
+++ b/cpu/mpc5xxx/cpu_init.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd at denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -23,6 +23,7 @@
#include <common.h>
#include <mpc5xxx.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -34,6 +35,16 @@ DECLARE_GLOBAL_DATA_PTR;
*/
void cpu_init_f (void)
{
+ volatile struct mpc5xxx_mmap_ctl *mm =
+ (struct mpc5xxx_mmap_ctl *) CONFIG_SYS_MBAR;
+ volatile struct mpc5xxx_lpb *lpb =
+ (struct mpc5xxx_lpb *) MPC5XXX_LPB;
+ volatile struct mpc5xxx_cdm *cdm =
+ (struct mpc5xxx_cdm *) MPC5XXX_CDM;
+ volatile struct mpc5xxx_gpio *gpio =
+ (struct mpc5xxx_gpio *) MPC5XXX_GPIO;
+ volatile struct mpc5xxx_xlb *xlb =
+ (struct mpc5xxx_xlb *) MPC5XXX_XLBARB;
unsigned long addecr = (1 << 25); /* Boot_CS */
#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_MGT5100)
addecr |= (1 << 22); /* SDRAM enable */
@@ -48,119 +59,135 @@ void cpu_init_f (void)
* Memory Controller: configure chip selects and enable them
*/
#if defined(CONFIG_SYS_BOOTCS_START) && defined(CONFIG_SYS_BOOTCS_SIZE)
- *(vu_long *)MPC5XXX_BOOTCS_START = START_REG(CONFIG_SYS_BOOTCS_START);
- *(vu_long *)MPC5XXX_BOOTCS_STOP = STOP_REG(CONFIG_SYS_BOOTCS_START,
- CONFIG_SYS_BOOTCS_SIZE);
+ out_be32(&mm->boot_start, START_REG(CONFIG_SYS_BOOTCS_START));
+ out_be32(&mm->boot_stop, STOP_REG(CONFIG_SYS_BOOTCS_START,
+ CONFIG_SYS_BOOTCS_SIZE));
#endif
#if defined(CONFIG_SYS_BOOTCS_CFG)
- *(vu_long *)MPC5XXX_BOOTCS_CFG = CONFIG_SYS_BOOTCS_CFG;
+ out_be32(&lpb->cs0_cfg, CONFIG_SYS_BOOTCS_CFG);
#endif
#if defined(CONFIG_SYS_CS0_START) && defined(CONFIG_SYS_CS0_SIZE)
- *(vu_long *)MPC5XXX_CS0_START = START_REG(CONFIG_SYS_CS0_START);
- *(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(CONFIG_SYS_CS0_START, CONFIG_SYS_CS0_SIZE);
+ out_be32(&mm->cs0_start, START_REG(CONFIG_SYS_CS0_START));
+ out_be32(&mm->cs0_stop, STOP_REG(CONFIG_SYS_CS0_START,
+ CONFIG_SYS_CS0_SIZE));
/* CS0 and BOOT_CS cannot be enabled at once. */
/* addecr |= (1 << 16); */
#endif
#if defined(CONFIG_SYS_CS0_CFG)
- *(vu_long *)MPC5XXX_CS0_CFG = CONFIG_SYS_CS0_CFG;
+ out_be32(&lpb->cs0_cfg, CONFIG_SYS_CS0_CFG);
#endif
#if defined(CONFIG_SYS_CS1_START) && defined(CONFIG_SYS_CS1_SIZE)
- *(vu_long *)MPC5XXX_CS1_START = START_REG(CONFIG_SYS_CS1_START);
- *(vu_long *)MPC5XXX_CS1_STOP = STOP_REG(CONFIG_SYS_CS1_START, CONFIG_SYS_CS1_SIZE);
+ out_be32(&mm->cs1_start, START_REG(CONFIG_SYS_CS1_START));
+ out_be32(&mm->cs1_stop, STOP_REG(CONFIG_SYS_CS1_START,
+ CONFIG_SYS_CS1_SIZE));
addecr |= (1 << 17);
#endif
#if defined(CONFIG_SYS_CS1_CFG)
- *(vu_long *)MPC5XXX_CS1_CFG = CONFIG_SYS_CS1_CFG;
+ out_be32(&lpb->cs1_cfg, CONFIG_SYS_CS1_CFG);
#endif
#if defined(CONFIG_SYS_CS2_START) && defined(CONFIG_SYS_CS2_SIZE)
- *(vu_long *)MPC5XXX_CS2_START = START_REG(CONFIG_SYS_CS2_START);
- *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CONFIG_SYS_CS2_START, CONFIG_SYS_CS2_SIZE);
+ out_be32(&mm->cs2_start, START_REG(CONFIG_SYS_CS2_START));
+ out_be32(&mm->cs2_stop, STOP_REG(CONFIG_SYS_CS2_START,
+ CONFIG_SYS_CS2_SIZE));
addecr |= (1 << 18);
#endif
#if defined(CONFIG_SYS_CS2_CFG)
- *(vu_long *)MPC5XXX_CS2_CFG = CONFIG_SYS_CS2_CFG;
+ out_be32(&lpb->cs2_cfg, CONFIG_SYS_CS2_CFG);
#endif
#if defined(CONFIG_SYS_CS3_START) && defined(CONFIG_SYS_CS3_SIZE)
- *(vu_long *)MPC5XXX_CS3_START = START_REG(CONFIG_SYS_CS3_START);
- *(vu_long *)MPC5XXX_CS3_STOP = STOP_REG(CONFIG_SYS_CS3_START, CONFIG_SYS_CS3_SIZE);
+ out_be32(&mm->cs3_start, START_REG(CONFIG_SYS_CS3_START));
+ out_be32(&mm->cs3_stop, STOP_REG(CONFIG_SYS_CS3_START,
+ CONFIG_SYS_CS3_SIZE));
addecr |= (1 << 19);
#endif
#if defined(CONFIG_SYS_CS3_CFG)
- *(vu_long *)MPC5XXX_CS3_CFG = CONFIG_SYS_CS3_CFG;
+ out_be32(&lpb->cs3_cfg, CONFIG_SYS_CS3_CFG);
#endif
#if defined(CONFIG_SYS_CS4_START) && defined(CONFIG_SYS_CS4_SIZE)
- *(vu_long *)MPC5XXX_CS4_START = START_REG(CONFIG_SYS_CS4_START);
- *(vu_long *)MPC5XXX_CS4_STOP = STOP_REG(CONFIG_SYS_CS4_START, CONFIG_SYS_CS4_SIZE);
+ out_be32(&mm->cs4_start, START_REG(CONFIG_SYS_CS4_START));
+ out_be32(&mm->cs4_stop, STOP_REG(CONFIG_SYS_CS4_START,
+ CONFIG_SYS_CS4_SIZE));
addecr |= (1 << 20);
#endif
#if defined(CONFIG_SYS_CS4_CFG)
- *(vu_long *)MPC5XXX_CS4_CFG = CONFIG_SYS_CS4_CFG;
+ out_be32(&lpb->cs4_cfg, CONFIG_SYS_CS4_CFG);
#endif
#if defined(CONFIG_SYS_CS5_START) && defined(CONFIG_SYS_CS5_SIZE)
- *(vu_long *)MPC5XXX_CS5_START = START_REG(CONFIG_SYS_CS5_START);
- *(vu_long *)MPC5XXX_CS5_STOP = STOP_REG(CONFIG_SYS_CS5_START, CONFIG_SYS_CS5_SIZE);
+ out_be32(&mm->cs5_start, START_REG(CONFIG_SYS_CS5_START));
+ out_be32(&mm->cs5_stop, STOP_REG(CONFIG_SYS_CS5_START,
+ CONFIG_SYS_CS5_SIZE));
addecr |= (1 << 21);
#endif
#if defined(CONFIG_SYS_CS5_CFG)
- *(vu_long *)MPC5XXX_CS5_CFG = CONFIG_SYS_CS5_CFG;
+ out_be32(&lpb->cs5_cfg, CONFIG_SYS_CS5_CFG);
#endif
#if defined(CONFIG_MPC5200)
addecr |= 1;
#if defined(CONFIG_SYS_CS6_START) && defined(CONFIG_SYS_CS6_SIZE)
- *(vu_long *)MPC5XXX_CS6_START = START_REG(CONFIG_SYS_CS6_START);
- *(vu_long *)MPC5XXX_CS6_STOP = STOP_REG(CONFIG_SYS_CS6_START, CONFIG_SYS_CS6_SIZE);
+ out_be32(&mm->cs6_start, START_REG(CONFIG_SYS_CS6_START));
+ out_be32(&mm->cs6_stop, STOP_REG(CONFIG_SYS_CS6_START,
+ CONFIG_SYS_CS6_SIZE));
addecr |= (1 << 26);
#endif
#if defined(CONFIG_SYS_CS6_CFG)
- *(vu_long *)MPC5XXX_CS6_CFG = CONFIG_SYS_CS6_CFG;
+ out_be32(&lpb->cs6_cfg, CONFIG_SYS_CS6_CFG);
#endif
#if defined(CONFIG_SYS_CS7_START) && defined(CONFIG_SYS_CS7_SIZE)
- *(vu_long *)MPC5XXX_CS7_START = START_REG(CONFIG_SYS_CS7_START);
- *(vu_long *)MPC5XXX_CS7_STOP = STOP_REG(CONFIG_SYS_CS7_START, CONFIG_SYS_CS7_SIZE);
+ out_be32(&mm->cs7_start, START_REG(CONFIG_SYS_CS7_START));
+ out_be32(&mm->cs7_stop, STOP_REG(CONFIG_SYS_CS7_START,
+ CONFIG_SYS_CS7_SIZE));
addecr |= (1 << 27);
#endif
#if defined(CONFIG_SYS_CS7_CFG)
- *(vu_long *)MPC5XXX_CS7_CFG = CONFIG_SYS_CS7_CFG;
+ out_be32(&lpb->cs7_cfg, CONFIG_SYS_CS7_CFG);
#endif
#if defined(CONFIG_SYS_CS_BURST)
- *(vu_long *)MPC5XXX_CS_BURST = CONFIG_SYS_CS_BURST;
+ out_be32(&lpb->cs_burst, CONFIG_SYS_CS_BURST);
#endif
#if defined(CONFIG_SYS_CS_DEADCYCLE)
- *(vu_long *)MPC5XXX_CS_DEADCYCLE = CONFIG_SYS_CS_DEADCYCLE;
+ out_be32(&lpb->cs_deadcycle, CONFIG_SYS_CS_DEADCYCLE);
#endif
#endif /* CONFIG_MPC5200 */
/* Enable chip selects */
- *(vu_long *)MPC5XXX_ADDECR = addecr;
- *(vu_long *)MPC5XXX_CS_CTRL = (1 << 24);
+#if defined(CONFIG_MGT5100)
+ out_be32(&mm->addecr, addecr);
+#elif defined(CONFIG_MPC5200)
+ out_be32(&mm->ipbi_ws_ctrl, addecr);
+#endif
+ out_be32(&lpb->cs_ctrl, (1 << 24));
/* Setup pin multiplexing */
#if defined(CONFIG_SYS_GPS_PORT_CONFIG)
- *(vu_long *)MPC5XXX_GPS_PORT_CONFIG = CONFIG_SYS_GPS_PORT_CONFIG;
+ out_be32(&gpio->port_config, CONFIG_SYS_GPS_PORT_CONFIG);
#endif
#if defined(CONFIG_MPC5200)
/* enable timebase */
- *(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (1 << 13);
+ setbits_be32(&xlb->config, (1 << 13));
/* Enable snooping for RAM */
- *(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (1 << 15);
- *(vu_long *)(MPC5XXX_XLBARB + 0x70) = CONFIG_SYS_SDRAM_BASE | 0x1d;
+ setbits_be32(&xlb->config, (1 << 15));
+ out_be32(&xlb->snoop_window, CONFIG_SYS_SDRAM_BASE | 0x1d);
# if defined(CONFIG_SYS_IPBCLK_EQUALS_XLBCLK)
/* Motorola reports IPB should better run at 133 MHz. */
- *(vu_long *)MPC5XXX_ADDECR |= 1;
+#if defined(CONFIG_MGT5100)
+ setbits_be32(&mm->addecr, 1);
+#elif defined(CONFIG_MPC5200)
+ setbits_be32(&mm->ipbi_ws_ctrl, 1);
+#endif
/* pci_clk_sel = 0x02, ipb_clk_sel = 0x00; */
- addecr = *(vu_long *)MPC5XXX_CDM_CFG;
+ addecr = in_be32(&cdm->cfg);
addecr &= ~0x103;
# if defined(CONFIG_SYS_PCICLK_EQUALS_IPBCLK_DIV2)
/* pci_clk_sel = 0x01 -> IPB_CLK/2 */
@@ -169,15 +196,15 @@ void cpu_init_f (void)
/* pci_clk_sel = 0x02 -> XLB_CLK/4 = IPB_CLK/4 */
addecr |= 0x02;
# endif /* CONFIG_SYS_PCICLK_EQUALS_IPBCLK_DIV2 */
- *(vu_long *)MPC5XXX_CDM_CFG = addecr;
+ out_be32(&cdm->cfg, addecr);
# endif /* CONFIG_SYS_IPBCLK_EQUALS_XLBCLK */
/* Configure the XLB Arbiter */
- *(vu_long *)MPC5XXX_XLBARB_MPRIEN = 0xff;
- *(vu_long *)MPC5XXX_XLBARB_MPRIVAL = 0x11111111;
+ out_be32(&xlb->master_pri_enable, 0xff);
+ out_be32(&xlb->master_priority, 0x11111111);
# if defined(CONFIG_SYS_XLB_PIPELINING)
/* Enable piplining */
- *(vu_long *)(MPC5XXX_XLBARB + 0x40) &= ~(1 << 31);
+ clrbits_be32(&xlb->config, (1 << 31));
# endif
#endif /* CONFIG_MPC5200 */
}
@@ -187,16 +214,19 @@ void cpu_init_f (void)
*/
int cpu_init_r (void)
{
+ volatile struct mpc5xxx_intr *intr =
+ (struct mpc5xxx_intr *) MPC5XXX_ICTL;
+
/* mask all interrupts */
#if defined(CONFIG_MGT5100)
- *(vu_long *)MPC5XXX_ICTL_PER_MASK = 0xfffffc00;
+ out_be32(&intr->per_mask, 0xfffffc00);
#elif defined(CONFIG_MPC5200)
- *(vu_long *)MPC5XXX_ICTL_PER_MASK = 0xffffff00;
+ out_be32(&intr->per_mask, 0xffffff00);
#endif
- *(vu_long *)MPC5XXX_ICTL_CRIT |= 0x0001ffff;
- *(vu_long *)MPC5XXX_ICTL_EXT &= ~0x00000f00;
+ setbits_be32(&intr->main_mask, 0x0001ffff);
+ clrbits_be32(&intr->ctrl, 0x00000f00);
/* route critical ints to normal ints */
- *(vu_long *)MPC5XXX_ICTL_EXT |= 0x00000001;
+ setbits_be32(&intr->ctrl, 0x00000001);
#if defined(CONFIG_CMD_NET) && defined(CONFIG_MPC5xxx_FEC)
/* load FEC microcode */
--
1.6.2.5
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