2007-05-09 13:51:49 +08:00
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/*arch/ppc/platforms/mpc866ads_setup.c
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2006-01-21 03:22:36 +08:00
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*
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2006-08-15 14:00:31 +08:00
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* Platform setup for the Freescale mpc866ads board
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2006-01-21 03:22:36 +08:00
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*
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* Vitaly Bordug <vbordug@ru.mvista.com>
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*
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2006-08-15 14:00:31 +08:00
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* Copyright 2005-2006 MontaVista Software Inc.
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2006-01-21 03:22:36 +08:00
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/param.h>
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#include <linux/string.h>
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#include <linux/ioport.h>
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#include <linux/device.h>
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#include <linux/fs_enet_pd.h>
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2006-04-26 00:26:43 +08:00
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#include <linux/fs_uart_pd.h>
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2006-01-21 03:22:36 +08:00
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#include <linux/mii.h>
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2007-04-11 01:52:04 +08:00
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#include <linux/phy.h>
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2006-01-21 03:22:36 +08:00
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#include <asm/delay.h>
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#include <asm/io.h>
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#include <asm/machdep.h>
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#include <asm/page.h>
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#include <asm/processor.h>
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#include <asm/system.h>
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#include <asm/time.h>
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#include <asm/ppcboot.h>
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#include <asm/8xx_immap.h>
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2008-01-25 22:31:42 +08:00
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#include <asm/cpm1.h>
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2006-01-21 03:22:36 +08:00
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#include <asm/ppc_sys.h>
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#include <asm/mpc8xx.h>
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extern unsigned char __res[];
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2007-04-11 01:52:04 +08:00
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static void setup_fec1_ioports(struct fs_platform_info*);
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static void setup_scc1_ioports(struct fs_platform_info*);
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static void setup_smc1_ioports(struct fs_uart_platform_info*);
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static void setup_smc2_ioports(struct fs_uart_platform_info*);
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2006-04-26 00:26:43 +08:00
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2006-08-15 14:00:31 +08:00
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static struct fs_mii_fec_platform_info mpc8xx_mdio_fec_pdata;
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2006-01-21 03:22:36 +08:00
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2006-08-15 14:00:31 +08:00
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static struct fs_mii_fec_platform_info mpc8xx_mdio_fec_pdata;
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2006-01-21 03:22:36 +08:00
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2006-08-15 14:00:31 +08:00
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static struct fs_platform_info mpc8xx_enet_pdata[] = {
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[fsid_fec1] = {
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.rx_ring = 128,
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.tx_ring = 16,
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.rx_copybreak = 240,
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2006-01-21 03:22:36 +08:00
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2006-08-15 14:00:31 +08:00
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.use_napi = 1,
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.napi_weight = 17,
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2006-01-21 03:22:36 +08:00
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2006-08-15 14:00:31 +08:00
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.init_ioports = setup_fec1_ioports,
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2006-01-21 03:22:36 +08:00
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2006-08-15 14:00:31 +08:00
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.bus_id = "0:0f",
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.has_phy = 1,
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},
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[fsid_scc1] = {
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.rx_ring = 64,
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.tx_ring = 8,
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.rx_copybreak = 240,
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.use_napi = 1,
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.napi_weight = 17,
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2006-01-21 03:22:36 +08:00
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2006-08-15 14:00:31 +08:00
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.init_ioports = setup_scc1_ioports,
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2006-04-26 00:26:43 +08:00
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2006-08-15 14:00:31 +08:00
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.bus_id = "fixed@100:1",
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},
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2006-04-26 00:26:43 +08:00
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};
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static struct fs_uart_platform_info mpc866_uart_pdata[] = {
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[fsid_smc1_uart] = {
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.brg = 1,
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.fs_no = fsid_smc1_uart,
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.init_ioports = setup_smc1_ioports,
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.tx_num_fifo = 4,
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.tx_buf_size = 32,
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.rx_num_fifo = 4,
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.rx_buf_size = 32,
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},
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[fsid_smc2_uart] = {
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.brg = 2,
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.fs_no = fsid_smc2_uart,
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.init_ioports = setup_smc2_ioports,
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.tx_num_fifo = 4,
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.tx_buf_size = 32,
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.rx_num_fifo = 4,
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.rx_buf_size = 32,
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},
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2006-01-21 03:22:36 +08:00
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};
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void __init board_init(void)
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{
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volatile cpm8xx_t *cp = cpmp;
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unsigned *bcsr_io;
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bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
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if (bcsr_io == NULL) {
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printk(KERN_CRIT "Could not remap BCSR1\n");
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return;
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}
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2006-04-26 00:26:43 +08:00
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2006-01-21 03:22:36 +08:00
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#ifdef CONFIG_SERIAL_CPM_SMC1
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cp->cp_simode &= ~(0xe0000000 >> 17); /* brg1 */
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clrbits32(bcsr_io,(0x80000000 >> 7));
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2006-04-26 00:26:43 +08:00
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cp->cp_smc[0].smc_smcm |= (SMCM_RX | SMCM_TX);
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cp->cp_smc[0].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
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2006-01-21 03:22:36 +08:00
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#else
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setbits32(bcsr_io,(0x80000000 >> 7));
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cp->cp_pbpar &= ~(0x000000c0);
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cp->cp_pbdir |= 0x000000c0;
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cp->cp_smc[0].smc_smcmr = 0;
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cp->cp_smc[0].smc_smce = 0;
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#endif
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#ifdef CONFIG_SERIAL_CPM_SMC2
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cp->cp_simode &= ~(0xe0000000 >> 1);
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cp->cp_simode |= (0x20000000 >> 1); /* brg2 */
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clrbits32(bcsr_io,(0x80000000 >> 13));
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2006-04-26 00:26:43 +08:00
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cp->cp_smc[1].smc_smcm |= (SMCM_RX | SMCM_TX);
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cp->cp_smc[1].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
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2006-01-21 03:22:36 +08:00
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#else
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clrbits32(bcsr_io,(0x80000000 >> 13));
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cp->cp_pbpar &= ~(0x00000c00);
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cp->cp_pbdir |= 0x00000c00;
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cp->cp_smc[1].smc_smcmr = 0;
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cp->cp_smc[1].smc_smce = 0;
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#endif
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iounmap(bcsr_io);
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}
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2007-04-11 01:52:04 +08:00
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static void setup_fec1_ioports(struct fs_platform_info* pdata)
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2006-01-21 03:22:36 +08:00
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{
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immap_t *immap = (immap_t *) IMAP_ADDR;
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setbits16(&immap->im_ioport.iop_pdpar, 0x1fff);
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setbits16(&immap->im_ioport.iop_pddir, 0x1fff);
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}
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2007-04-11 01:52:04 +08:00
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static void setup_scc1_ioports(struct fs_platform_info* pdata)
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2006-01-21 03:22:36 +08:00
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{
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immap_t *immap = (immap_t *) IMAP_ADDR;
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unsigned *bcsr_io;
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bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
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if (bcsr_io == NULL) {
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printk(KERN_CRIT "Could not remap BCSR1\n");
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return;
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}
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/* Enable the PHY.
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*/
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clrbits32(bcsr_io,BCSR1_ETHEN);
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/* Configure port A pins for Txd and Rxd.
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*/
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/* Disable receive and transmit in case EPPC-Bug started it.
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*/
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setbits16(&immap->im_ioport.iop_papar, PA_ENET_RXD | PA_ENET_TXD);
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clrbits16(&immap->im_ioport.iop_padir, PA_ENET_RXD | PA_ENET_TXD);
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clrbits16(&immap->im_ioport.iop_paodr, PA_ENET_TXD);
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/* Configure port C pins to enable CLSN and RENA.
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*/
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clrbits16(&immap->im_ioport.iop_pcpar, PC_ENET_CLSN | PC_ENET_RENA);
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clrbits16(&immap->im_ioport.iop_pcdir, PC_ENET_CLSN | PC_ENET_RENA);
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setbits16(&immap->im_ioport.iop_pcso, PC_ENET_CLSN | PC_ENET_RENA);
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/* Configure port A for TCLK and RCLK.
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*/
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setbits16(&immap->im_ioport.iop_papar, PA_ENET_TCLK | PA_ENET_RCLK);
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clrbits16(&immap->im_ioport.iop_padir, PA_ENET_TCLK | PA_ENET_RCLK);
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clrbits32(&immap->im_cpm.cp_pbpar, PB_ENET_TENA);
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clrbits32(&immap->im_cpm.cp_pbdir, PB_ENET_TENA);
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/* Configure Serial Interface clock routing.
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* First, clear all SCC bits to zero, then set the ones we want.
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*/
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clrbits32(&immap->im_cpm.cp_sicr, SICR_ENET_MASK);
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setbits32(&immap->im_cpm.cp_sicr, SICR_ENET_CLKRT);
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/* In the original SCC enet driver the following code is placed at
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the end of the initialization */
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setbits32(&immap->im_cpm.cp_pbpar, PB_ENET_TENA);
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setbits32(&immap->im_cpm.cp_pbdir, PB_ENET_TENA);
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}
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2007-04-11 01:52:04 +08:00
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static void setup_smc1_ioports(struct fs_uart_platform_info* pdata)
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2006-04-26 00:26:43 +08:00
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{
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immap_t *immap = (immap_t *) IMAP_ADDR;
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unsigned *bcsr_io;
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unsigned int iobits = 0x000000c0;
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bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
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if (bcsr_io == NULL) {
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printk(KERN_CRIT "Could not remap BCSR1\n");
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return;
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}
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clrbits32(bcsr_io,BCSR1_RS232EN_1);
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iounmap(bcsr_io);
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setbits32(&immap->im_cpm.cp_pbpar, iobits);
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clrbits32(&immap->im_cpm.cp_pbdir, iobits);
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clrbits16(&immap->im_cpm.cp_pbodr, iobits);
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}
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2007-04-11 01:52:04 +08:00
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static void setup_smc2_ioports(struct fs_uart_platform_info* pdata)
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2006-04-26 00:26:43 +08:00
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{
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immap_t *immap = (immap_t *) IMAP_ADDR;
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unsigned *bcsr_io;
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unsigned int iobits = 0x00000c00;
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bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
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if (bcsr_io == NULL) {
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printk(KERN_CRIT "Could not remap BCSR1\n");
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return;
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}
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clrbits32(bcsr_io,BCSR1_RS232EN_2);
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iounmap(bcsr_io);
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#ifndef CONFIG_SERIAL_CPM_ALT_SMC2
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setbits32(&immap->im_cpm.cp_pbpar, iobits);
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clrbits32(&immap->im_cpm.cp_pbdir, iobits);
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clrbits16(&immap->im_cpm.cp_pbodr, iobits);
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#else
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setbits16(&immap->im_ioport.iop_papar, iobits);
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clrbits16(&immap->im_ioport.iop_padir, iobits);
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clrbits16(&immap->im_ioport.iop_paodr, iobits);
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#endif
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}
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2006-08-15 14:00:31 +08:00
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static int ma_count = 0;
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static void mpc866ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
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{
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struct fs_platform_info *fpi;
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volatile cpm8xx_t *cp;
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bd_t *bd = (bd_t *) __res;
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char *e;
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int i;
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/* Get pointer to Communication Processor */
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cp = cpmp;
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2006-10-11 05:37:29 +08:00
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if(fs_no >= ARRAY_SIZE(mpc8xx_enet_pdata)) {
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2006-08-15 14:00:31 +08:00
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printk(KERN_ERR"No network-suitable #%d device on bus", fs_no);
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return;
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}
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fpi = &mpc8xx_enet_pdata[fs_no];
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fpi->fs_no = fs_no;
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pdev->dev.platform_data = fpi;
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e = (unsigned char *)&bd->bi_enetaddr;
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for (i = 0; i < 6; i++)
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fpi->macaddr[i] = *e++;
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fpi->macaddr[5] += ma_count++;
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}
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static void mpc866ads_fixup_fec_enet_pdata(struct platform_device *pdev,
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int idx)
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{
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/* This is for FEC devices only */
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if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-fec")))
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return;
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mpc866ads_fixup_enet_pdata(pdev, fsid_fec1 + pdev->id - 1);
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}
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static void mpc866ads_fixup_scc_enet_pdata(struct platform_device *pdev,
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int idx)
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{
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/* This is for SCC devices only */
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if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-scc")))
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return;
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mpc866ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1);
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}
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2006-04-26 00:26:43 +08:00
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static void __init mpc866ads_fixup_uart_pdata(struct platform_device *pdev,
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int idx)
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{
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bd_t *bd = (bd_t *) __res;
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struct fs_uart_platform_info *pinfo;
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int num = ARRAY_SIZE(mpc866_uart_pdata);
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int id = fs_uart_id_smc2fsid(idx);
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/* no need to alter anything if console */
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2006-10-11 05:37:29 +08:00
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if ((id < num) && (!pdev->dev.platform_data)) {
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2006-04-26 00:26:43 +08:00
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pinfo = &mpc866_uart_pdata[id];
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|
pinfo->uart_clk = bd->bi_intfreq;
|
|
|
|
pdev->dev.platform_data = pinfo;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-01-21 03:22:36 +08:00
|
|
|
static int mpc866ads_platform_notify(struct device *dev)
|
|
|
|
{
|
|
|
|
static const struct platform_notify_dev_map dev_map[] = {
|
|
|
|
{
|
|
|
|
.bus_id = "fsl-cpm-fec",
|
|
|
|
.rtn = mpc866ads_fixup_fec_enet_pdata,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.bus_id = "fsl-cpm-scc",
|
|
|
|
.rtn = mpc866ads_fixup_scc_enet_pdata,
|
|
|
|
},
|
2006-04-26 00:26:43 +08:00
|
|
|
{
|
|
|
|
.bus_id = "fsl-cpm-smc:uart",
|
|
|
|
.rtn = mpc866ads_fixup_uart_pdata
|
|
|
|
},
|
2006-01-21 03:22:36 +08:00
|
|
|
{
|
|
|
|
.bus_id = NULL
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
platform_notify_map(dev_map,dev);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int __init mpc866ads_init(void)
|
|
|
|
{
|
2006-08-15 14:00:31 +08:00
|
|
|
bd_t *bd = (bd_t *) __res;
|
|
|
|
struct fs_mii_fec_platform_info* fmpi;
|
|
|
|
|
2006-01-21 03:22:36 +08:00
|
|
|
printk(KERN_NOTICE "mpc866ads: Init\n");
|
|
|
|
|
|
|
|
platform_notify = mpc866ads_platform_notify;
|
|
|
|
|
|
|
|
ppc_sys_device_initfunc();
|
|
|
|
ppc_sys_device_disable_all();
|
|
|
|
|
2006-08-15 14:00:31 +08:00
|
|
|
#ifdef CONFIG_MPC8xx_SECOND_ETH_SCC1
|
2006-01-21 03:22:36 +08:00
|
|
|
ppc_sys_device_enable(MPC8xx_CPM_SCC1);
|
|
|
|
#endif
|
|
|
|
ppc_sys_device_enable(MPC8xx_CPM_FEC1);
|
|
|
|
|
2006-08-15 14:00:31 +08:00
|
|
|
ppc_sys_device_enable(MPC8xx_MDIO_FEC);
|
|
|
|
|
|
|
|
fmpi = ppc_sys_platform_devices[MPC8xx_MDIO_FEC].dev.platform_data =
|
|
|
|
&mpc8xx_mdio_fec_pdata;
|
|
|
|
|
|
|
|
fmpi->mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1;
|
|
|
|
/* No PHY interrupt line here */
|
2006-10-20 08:52:26 +08:00
|
|
|
fmpi->irq[0xf] = PHY_POLL;
|
2006-08-15 14:00:31 +08:00
|
|
|
|
2006-04-26 00:26:43 +08:00
|
|
|
/* Since either of the uarts could be used as console, they need to ready */
|
|
|
|
#ifdef CONFIG_SERIAL_CPM_SMC1
|
|
|
|
ppc_sys_device_enable(MPC8xx_CPM_SMC1);
|
|
|
|
ppc_sys_device_setfunc(MPC8xx_CPM_SMC1, PPC_SYS_FUNC_UART);
|
|
|
|
#endif
|
|
|
|
|
2007-01-26 08:10:52 +08:00
|
|
|
#ifdef CONFIG_SERIAL_CPM_SMC2
|
2006-04-26 00:26:43 +08:00
|
|
|
ppc_sys_device_enable(MPC8xx_CPM_SMC2);
|
|
|
|
ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
|
|
|
|
#endif
|
2006-08-15 14:00:31 +08:00
|
|
|
ppc_sys_device_enable(MPC8xx_MDIO_FEC);
|
|
|
|
|
|
|
|
fmpi = ppc_sys_platform_devices[MPC8xx_MDIO_FEC].dev.platform_data =
|
|
|
|
&mpc8xx_mdio_fec_pdata;
|
|
|
|
|
|
|
|
fmpi->mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1;
|
|
|
|
/* No PHY interrupt line here */
|
2006-10-20 08:52:26 +08:00
|
|
|
fmpi->irq[0xf] = PHY_POLL;
|
2006-04-26 00:26:43 +08:00
|
|
|
|
2006-01-21 03:22:36 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2006-04-26 00:26:43 +08:00
|
|
|
/*
|
|
|
|
To prevent confusion, console selection is gross:
|
|
|
|
by 0 assumed SMC1 and by 1 assumed SMC2
|
|
|
|
*/
|
|
|
|
struct platform_device* early_uart_get_pdev(int index)
|
|
|
|
{
|
|
|
|
bd_t *bd = (bd_t *) __res;
|
|
|
|
struct fs_uart_platform_info *pinfo;
|
|
|
|
|
|
|
|
struct platform_device* pdev = NULL;
|
|
|
|
if(index) { /*assume SMC2 here*/
|
|
|
|
pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC2];
|
|
|
|
pinfo = &mpc866_uart_pdata[1];
|
|
|
|
} else { /*over SMC1*/
|
|
|
|
pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC1];
|
|
|
|
pinfo = &mpc866_uart_pdata[0];
|
|
|
|
}
|
|
|
|
|
|
|
|
pinfo->uart_clk = bd->bi_intfreq;
|
|
|
|
pdev->dev.platform_data = pinfo;
|
|
|
|
ppc_sys_fixup_mem_resource(pdev, IMAP_ADDR);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2006-01-21 03:22:36 +08:00
|
|
|
arch_initcall(mpc866ads_init);
|