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authorScott Wood <scottwood@freescale.com>2007-11-25 13:09:31 +0300
committerKumar Gala <galak@kernel.crashing.org>2007-12-13 22:45:35 -0600
commit0b5cf10691eb2c95a9126bf25f5e084d83d5d743 (patch)
tree5b3e861e4247b080067070d11d238705c03e38ed /arch/powerpc/platforms/8xx
parent77d4309e19b1a7ab3286cd741e924894fc329986 (diff)
[POWERPC] 8xx: Convert mpc866ads to the new device binding.
Verified on mpc866ads. This version has muram and brg nodes added to dts to get the things work. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/8xx')
-rw-r--r--arch/powerpc/platforms/8xx/Kconfig1
-rw-r--r--arch/powerpc/platforms/8xx/mpc86xads.h44
-rw-r--r--arch/powerpc/platforms/8xx/mpc86xads_setup.c289
3 files changed, 81 insertions, 253 deletions
diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
index bd28655043a0..91fbe4241918 100644
--- a/arch/powerpc/platforms/8xx/Kconfig
+++ b/arch/powerpc/platforms/8xx/Kconfig
@@ -18,6 +18,7 @@ config MPC8XXFADS
config MPC86XADS
bool "MPC86XADS"
select CPM1
+ select PPC_CPM_NEW_BINDING
help
MPC86x Application Development System by Freescale Semiconductor.
The MPC86xADS is meant to serve as a platform for s/w and h/w
diff --git a/arch/powerpc/platforms/8xx/mpc86xads.h b/arch/powerpc/platforms/8xx/mpc86xads.h
index cffa194ccf1f..17b1fe75e0b2 100644
--- a/arch/powerpc/platforms/8xx/mpc86xads.h
+++ b/arch/powerpc/platforms/8xx/mpc86xads.h
@@ -15,27 +15,6 @@
#ifndef __ASM_MPC86XADS_H__
#define __ASM_MPC86XADS_H__
-#include <sysdev/fsl_soc.h>
-
-/* U-Boot maps BCSR to 0xff080000 */
-#define BCSR_ADDR ((uint)0xff080000)
-#define BCSR_SIZE ((uint)32)
-#define BCSR0 ((uint)(BCSR_ADDR + 0x00))
-#define BCSR1 ((uint)(BCSR_ADDR + 0x04))
-#define BCSR2 ((uint)(BCSR_ADDR + 0x08))
-#define BCSR3 ((uint)(BCSR_ADDR + 0x0c))
-#define BCSR4 ((uint)(BCSR_ADDR + 0x10))
-
-#define CFG_PHYDEV_ADDR ((uint)0xff0a0000)
-#define BCSR5 ((uint)(CFG_PHYDEV_ADDR + 0x300))
-
-#define MPC8xx_CPM_OFFSET (0x9c0)
-#define CPM_MAP_ADDR (get_immrbase() + MPC8xx_CPM_OFFSET)
-#define CPM_IRQ_OFFSET 16 // for compability with cpm_uart driver
-
-#define PCMCIA_MEM_ADDR ((uint)0xff020000)
-#define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
-
/* Bits of interest in the BCSRs.
*/
#define BCSR1_ETHEN ((uint)0x20000000)
@@ -64,28 +43,5 @@
#define BCSR5_MII1_EN 0x02
#define BCSR5_MII1_RST 0x01
-/* Interrupt level assignments */
-#define PHY_INTERRUPT SIU_IRQ7 /* PHY link change interrupt */
-#define SIU_INT_FEC1 SIU_LEVEL1 /* FEC1 interrupt */
-#define FEC_INTERRUPT SIU_INT_FEC1 /* FEC interrupt */
-
-/* We don't use the 8259 */
-#define NR_8259_INTS 0
-
-/* CPM Ethernet through SCC1 */
-#define PA_ENET_RXD ((ushort)0x0001)
-#define PA_ENET_TXD ((ushort)0x0002)
-#define PA_ENET_TCLK ((ushort)0x0100)
-#define PA_ENET_RCLK ((ushort)0x0200)
-#define PB_ENET_TENA ((uint)0x00001000)
-#define PC_ENET_CLSN ((ushort)0x0010)
-#define PC_ENET_RENA ((ushort)0x0020)
-
-/* Control bits in the SICR to route TCLK (CLK1) and RCLK (CLK2) to
- * SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero.
- */
-#define SICR_ENET_MASK ((uint)0x000000ff)
-#define SICR_ENET_CLKRT ((uint)0x0000002c)
-
#endif /* __ASM_MPC86XADS_H__ */
#endif /* __KERNEL__ */
diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
index 49012835f453..d2927a434aef 100644
--- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
@@ -6,264 +6,134 @@
*
* Copyright 2005 MontaVista Software Inc.
*
+ * Heavily modified by Scott Wood <scottwood@freescale.com>
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ *
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/root_dev.h>
-
-#include <linux/fs_enet_pd.h>
-#include <linux/fs_uart_pd.h>
-#include <linux/mii.h>
+#include <linux/of_platform.h>
-#include <asm/delay.h>
#include <asm/io.h>
#include <asm/machdep.h>
-#include <asm/page.h>
-#include <asm/processor.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/mpc8xx.h>
#include <asm/8xx_immap.h>
#include <asm/commproc.h>
#include <asm/fs_pd.h>
-#include <asm/prom.h>
+#include <asm/udbg.h>
#include <sysdev/commproc.h>
-static void init_smc1_uart_ioports(struct fs_uart_platform_info* fpi);
-static void init_smc2_uart_ioports(struct fs_uart_platform_info* fpi);
-static void init_scc1_ioports(struct fs_platform_info* ptr);
-
-void __init mpc86xads_board_setup(void)
-{
- cpm8xx_t *cp;
- unsigned int *bcsr_io;
- u8 tmpval8;
-
- bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
- cp = (cpm8xx_t *)immr_map(im_cpm);
-
- if (bcsr_io == NULL) {
- printk(KERN_CRIT "Could not remap BCSR\n");
- return;
- }
-#ifdef CONFIG_SERIAL_CPM_SMC1
- clrbits32(bcsr_io, BCSR1_RS232EN_1);
- clrbits32(&cp->cp_simode, 0xe0000000 >> 17); /* brg1 */
- tmpval8 = in_8(&(cp->cp_smc[0].smc_smcm)) | (SMCM_RX | SMCM_TX);
- out_8(&(cp->cp_smc[0].smc_smcm), tmpval8);
- clrbits16(&cp->cp_smc[0].smc_smcmr, SMCMR_REN | SMCMR_TEN);
-#else
- setbits32(bcsr_io,BCSR1_RS232EN_1);
- out_be16(&cp->cp_smc[0].smc_smcmr, 0);
- out_8(&cp->cp_smc[0].smc_smce, 0);
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SMC2
- clrbits32(bcsr_io,BCSR1_RS232EN_2);
- clrbits32(&cp->cp_simode, 0xe0000000 >> 1);
- setbits32(&cp->cp_simode, 0x20000000 >> 1); /* brg2 */
- tmpval8 = in_8(&(cp->cp_smc[1].smc_smcm)) | (SMCM_RX | SMCM_TX);
- out_8(&(cp->cp_smc[1].smc_smcm), tmpval8);
- clrbits16(&cp->cp_smc[1].smc_smcmr, SMCMR_REN | SMCMR_TEN);
+#include "mpc86xads.h"
- init_smc2_uart_ioports(0);
-#else
- setbits32(bcsr_io,BCSR1_RS232EN_2);
- out_be16(&cp->cp_smc[1].smc_smcmr, 0);
- out_8(&cp->cp_smc[1].smc_smce, 0);
-#endif
- immr_unmap(cp);
- iounmap(bcsr_io);
-}
+struct cpm_pin {
+ int port, pin, flags;
+};
+static struct cpm_pin mpc866ads_pins[] = {
+ /* SMC1 */
+ {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
+ {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
+
+ /* SMC2 */
+ {CPM_PORTB, 21, CPM_PIN_INPUT}, /* RX */
+ {CPM_PORTB, 20, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
+
+ /* SCC1 */
+ {CPM_PORTA, 6, CPM_PIN_INPUT}, /* CLK1 */
+ {CPM_PORTA, 7, CPM_PIN_INPUT}, /* CLK2 */
+ {CPM_PORTA, 14, CPM_PIN_INPUT}, /* TX */
+ {CPM_PORTA, 15, CPM_PIN_INPUT}, /* RX */
+ {CPM_PORTB, 19, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */
+ {CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* RENA */
+ {CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CLSN */
+
+ /* MII */
+ {CPM_PORTD, 3, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 4, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 5, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 6, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 7, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 8, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 9, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 10, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 11, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 12, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 13, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 14, CPM_PIN_OUTPUT},
+ {CPM_PORTD, 15, CPM_PIN_OUTPUT},
+};
-static void init_fec1_ioports(struct fs_platform_info* ptr)
+static void __init init_ioports(void)
{
- iop8xx_t *io_port = (iop8xx_t *)immr_map(im_ioport);
+ int i;
- /* configure FEC1 pins */
+ for (i = 0; i < ARRAY_SIZE(mpc866ads_pins); i++) {
+ struct cpm_pin *pin = &mpc866ads_pins[i];
+ cpm1_set_pin(pin->port, pin->pin, pin->flags);
+ }
- setbits16(&io_port->iop_pdpar, 0x1fff);
- setbits16(&io_port->iop_pddir, 0x1fff);
+ cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
+ cpm1_clk_setup(CPM_CLK_SMC2, CPM_BRG2, CPM_CLK_RTX);
+ cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK1, CPM_CLK_TX);
+ cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX);
- immr_unmap(io_port);
+ /* Set FEC1 and FEC2 to MII mode */
+ clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180);
}
-void init_fec_ioports(struct fs_platform_info *fpi)
+static void __init mpc86xads_setup_arch(void)
{
- int fec_no = fs_get_fec_index(fpi->fs_no);
+ struct device_node *np;
+ u32 __iomem *bcsr_io;
+
+ cpm_reset();
+ init_ioports();
- switch (fec_no) {
- case 0:
- init_fec1_ioports(fpi);
- break;
- default:
- printk(KERN_ERR "init_fec_ioports: invalid FEC number\n");
+ np = of_find_compatible_node(NULL, NULL, "fsl,mpc866ads-bcsr");
+ if (!np) {
+ printk(KERN_CRIT "Could not find fsl,mpc866ads-bcsr node\n");
return;
}
-}
-static void init_scc1_ioports(struct fs_platform_info* fpi)
-{
- unsigned *bcsr_io;
- iop8xx_t *io_port;
- cpm8xx_t *cp;
-
- bcsr_io = ioremap(BCSR_ADDR, BCSR_SIZE);
- io_port = (iop8xx_t *)immr_map(im_ioport);
- cp = (cpm8xx_t *)immr_map(im_cpm);
+ bcsr_io = of_iomap(np, 0);
+ of_node_put(np);
if (bcsr_io == NULL) {
printk(KERN_CRIT "Could not remap BCSR\n");
return;
}
- /* Configure port A pins for Txd and Rxd.
- */
- setbits16(&io_port->iop_papar, PA_ENET_RXD | PA_ENET_TXD);
- clrbits16(&io_port->iop_padir, PA_ENET_RXD | PA_ENET_TXD);
- clrbits16(&io_port->iop_paodr, PA_ENET_TXD);
-
- /* Configure port C pins to enable CLSN and RENA.
- */
- clrbits16(&io_port->iop_pcpar, PC_ENET_CLSN | PC_ENET_RENA);
- clrbits16(&io_port->iop_pcdir, PC_ENET_CLSN | PC_ENET_RENA);
- setbits16(&io_port->iop_pcso, PC_ENET_CLSN | PC_ENET_RENA);
-
- /* Configure port A for TCLK and RCLK.
- */
- setbits16(&io_port->iop_papar, PA_ENET_TCLK | PA_ENET_RCLK);
- clrbits16(&io_port->iop_padir, PA_ENET_TCLK | PA_ENET_RCLK);
- clrbits32(&cp->cp_pbpar, PB_ENET_TENA);
- clrbits32(&cp->cp_pbdir, PB_ENET_TENA);
-
- /* Configure Serial Interface clock routing.
- * First, clear all SCC bits to zero, then set the ones we want.
- */
- clrbits32(&cp->cp_sicr, SICR_ENET_MASK);
- setbits32(&cp->cp_sicr, SICR_ENET_CLKRT);
-
- /* In the original SCC enet driver the following code is placed at
- the end of the initialization */
- setbits32(&cp->cp_pbpar, PB_ENET_TENA);
- setbits32(&cp->cp_pbdir, PB_ENET_TENA);
-
- clrbits32(bcsr_io+1, BCSR1_ETHEN);
+ clrbits32(bcsr_io, BCSR1_RS232EN_1 | BCSR1_RS232EN_2 | BCSR1_ETHEN);
iounmap(bcsr_io);
- immr_unmap(cp);
- immr_unmap(io_port);
-}
-
-void init_scc_ioports(struct fs_platform_info *fpi)
-{
- int scc_no = fs_get_scc_index(fpi->fs_no);
-
- switch (scc_no) {
- case 0:
- init_scc1_ioports(fpi);
- break;
- default:
- printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
- return;
- }
}
-
-
-static void init_smc1_uart_ioports(struct fs_uart_platform_info* ptr)
+static int __init mpc86xads_probe(void)
{
- unsigned *bcsr_io;
- cpm8xx_t *cp = (cpm8xx_t *)immr_map(im_cpm);
-
- setbits32(&cp->cp_pbpar, 0x000000c0);
- clrbits32(&cp->cp_pbdir, 0x000000c0);
- clrbits16(&cp->cp_pbodr, 0x00c0);
- immr_unmap(cp);
-
- bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
-
- if (bcsr_io == NULL) {
- printk(KERN_CRIT "Could not remap BCSR1\n");
- return;
- }
- clrbits32(bcsr_io,BCSR1_RS232EN_1);
- iounmap(bcsr_io);
+ unsigned long root = of_get_flat_dt_root();
+ return of_flat_dt_is_compatible(root, "fsl,mpc866ads");
}
-static void init_smc2_uart_ioports(struct fs_uart_platform_info* fpi)
-{
- unsigned *bcsr_io;
- cpm8xx_t *cp = (cpm8xx_t *)immr_map(im_cpm);
-
- setbits32(&cp->cp_pbpar, 0x00000c00);
- clrbits32(&cp->cp_pbdir, 0x00000c00);
- clrbits16(&cp->cp_pbodr, 0x0c00);
- immr_unmap(cp);
-
- bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
-
- if (bcsr_io == NULL) {
- printk(KERN_CRIT "Could not remap BCSR1\n");
- return;
- }
- clrbits32(bcsr_io,BCSR1_RS232EN_2);
- iounmap(bcsr_io);
-}
+static struct of_device_id __initdata of_bus_ids[] = {
+ { .name = "soc", },
+ { .name = "cpm", },
+ { .name = "localbus", },
+ {},
+};
-void init_smc_ioports(struct fs_uart_platform_info *data)
+static int __init declare_of_platform_devices(void)
{
- int smc_no = fs_uart_id_fsid2smc(data->fs_no);
+ if (machine_is(mpc86x_ads))
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
- switch (smc_no) {
- case 0:
- init_smc1_uart_ioports(data);
- data->brg = data->clk_rx;
- break;
- case 1:
- init_smc2_uart_ioports(data);
- data->brg = data->clk_rx;
- break;
- default:
- printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
- return;
- }
-}
-
-int platform_device_skip(const char *model, int id)
-{
return 0;
}
-
-static void __init mpc86xads_setup_arch(void)
-{
- cpm_reset();
-
- mpc86xads_board_setup();
-
- ROOT_DEV = Root_NFS;
-}
-
-static int __init mpc86xads_probe(void)
-{
- char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
- "model", NULL);
- if (model == NULL)
- return 0;
- if (strcmp(model, "MPC866ADS"))
- return 0;
-
- return 1;
-}
+device_initcall(declare_of_platform_devices);
define_machine(mpc86x_ads) {
.name = "MPC86x ADS",
@@ -275,4 +145,5 @@ define_machine(mpc86x_ads) {
.calibrate_decr = mpc8xx_calibrate_decr,
.set_rtc_time = mpc8xx_set_rtc_time,
.get_rtc_time = mpc8xx_get_rtc_time,
+ .progress = udbg_progress,
};