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Hugo Villeneuve264bbdd2008-07-11 15:10:13 -04001/*
2 * Miscelaneous DaVinci functions.
3 *
Nick Thompsonca8480d2009-11-12 11:03:23 -05004 * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com>
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -04005 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
6 * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
7 * Copyright (C) 2004 Texas Instruments.
8 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02009 * SPDX-License-Identifier: GPL-2.0+
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040010 */
11
12#include <common.h>
13#include <i2c.h>
David Brownell641e0922009-04-12 22:49:26 -070014#include <net.h>
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040015#include <asm/arch/hardware.h>
Nick Thompsonca8480d2009-11-12 11:03:23 -050016#include <asm/io.h>
Sughosh Ganud7f9b502010-11-28 20:21:27 -050017#include <asm/arch/davinci_misc.h>
David Brownell7a4f5112009-05-15 23:47:12 +020018
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040019DECLARE_GLOBAL_DATA_PTR;
20
Heiko Schochereb40d052011-07-26 20:12:34 +000021#ifndef CONFIG_SPL_BUILD
Ben Gardiner97003752010-08-23 09:08:15 -040022int dram_init(void)
23{
24 /* dram_init must store complete ramsize in gd->ram_size */
25 gd->ram_size = get_ram_size(
Albert ARIBAUDa55d23c2011-07-03 05:55:33 +000026 (void *)CONFIG_SYS_SDRAM_BASE,
Ben Gardiner97003752010-08-23 09:08:15 -040027 CONFIG_MAX_RAM_BANK_SIZE);
28 return 0;
29}
30
Simon Glass76b00ac2017-03-31 08:40:32 -060031int dram_init_banksize(void)
Ben Gardiner97003752010-08-23 09:08:15 -040032{
33 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
34 gd->bd->bi_dram[0].size = gd->ram_size;
Simon Glass76b00ac2017-03-31 08:40:32 -060035
36 return 0;
Ben Gardiner97003752010-08-23 09:08:15 -040037}
Stefano Babic6d1c6492010-11-30 11:32:10 -050038#endif
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040039
David Brownell641e0922009-04-12 22:49:26 -070040#ifdef CONFIG_DRIVER_TI_EMAC
Heiko Schocher8a73e562011-11-29 02:33:45 +000041/*
42 * Read ethernet MAC address from EEPROM for DVEVM compatible boards.
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040043 * Returns 1 if found, 0 otherwise.
44 */
45int dvevm_read_mac_address(uint8_t *buf)
46{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020047#ifdef CONFIG_SYS_I2C_EEPROM_ADDR
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040048 /* Read MAC address. */
Heiko Schocher8a73e562011-11-29 02:33:45 +000049 if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x7F00,
50 CONFIG_SYS_I2C_EEPROM_ADDR_LEN, (uint8_t *) &buf[0], 6))
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040051 goto i2cerr;
52
David Brownell641e0922009-04-12 22:49:26 -070053 /* Check that MAC address is valid. */
Joe Hershberger0adb5b72015-04-08 01:41:04 -050054 if (!is_valid_ethaddr(buf))
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040055 goto err;
56
57 return 1; /* Found */
58
59i2cerr:
Heiko Schocher8a73e562011-11-29 02:33:45 +000060 printf("Read from EEPROM @ 0x%02x failed\n",
61 CONFIG_SYS_I2C_EEPROM_ADDR);
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040062err:
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020063#endif /* CONFIG_SYS_I2C_EEPROM_ADDR */
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040064
65 return 0;
66}
67
Ben Gardiner7b37a272010-09-23 09:58:43 -040068/*
Stefano Babic6d1c6492010-11-30 11:32:10 -050069 * Set the mii mode as MII or RMII
70 */
Sandeep Paulraj99e4c752010-12-28 14:28:51 -050071#if defined(CONFIG_SOC_DA8XX)
Stefano Babic6d1c6492010-11-30 11:32:10 -050072void davinci_emac_mii_mode_sel(int mode_sel)
73{
74 int val;
75
76 val = readl(&davinci_syscfg_regs->cfgchip3);
77 if (mode_sel == 0)
78 val &= ~(1 << 8);
79 else
80 val |= (1 << 8);
81 writel(val, &davinci_syscfg_regs->cfgchip3);
82}
83#endif
84/*
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040085 * If there is no MAC address in the environment, then it will be initialized
David Brownell641e0922009-04-12 22:49:26 -070086 * (silently) from the value in the EEPROM.
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040087 */
Ben Gardiner7b37a272010-09-23 09:58:43 -040088void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040089{
Ben Gardiner7b37a272010-09-23 09:58:43 -040090 uint8_t env_enetaddr[6];
Hadli, Manjunath826e9912012-02-09 19:52:38 +000091 int ret;
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -040092
Simon Glass35affd72017-08-03 12:22:14 -060093 ret = eth_env_get_enetaddr_by_index("eth", 0, env_enetaddr);
Holger Hans Peter Freytherc8876f12013-02-07 23:41:03 +000094 if (!ret) {
Heiko Schocher8a73e562011-11-29 02:33:45 +000095 /*
96 * There is no MAC address in the environment, so we
97 * initialize it from the value in the EEPROM.
98 */
Ben Gardiner7b37a272010-09-23 09:58:43 -040099 debug("### Setting environment from EEPROM MAC address = "
100 "\"%pM\"\n",
101 env_enetaddr);
Simon Glassfd1e9592017-08-03 12:22:11 -0600102 ret = !eth_env_set_enetaddr("ethaddr", rom_enetaddr);
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -0400103 }
Hadli, Manjunath826e9912012-02-09 19:52:38 +0000104 if (!ret)
Holger Hans Peter Freytherc8876f12013-02-07 23:41:03 +0000105 printf("Failed to set mac address from EEPROM: %d\n", ret);
Hugo Villeneuve264bbdd2008-07-11 15:10:13 -0400106}
Stefano Babic6d1c6492010-11-30 11:32:10 -0500107#endif /* CONFIG_DRIVER_TI_EMAC */
108
109#if defined(CONFIG_SOC_DA8XX)
Stefano Babic6d1c6492010-11-30 11:32:10 -0500110void irq_init(void)
111{
112 /*
113 * Mask all IRQs by clearing the global enable and setting
114 * the enable clear for all the 90 interrupts.
115 */
Stefano Babic6d1c6492010-11-30 11:32:10 -0500116 writel(0, &davinci_aintc_regs->ger);
117
118 writel(0, &davinci_aintc_regs->hier);
119
120 writel(0xffffffff, &davinci_aintc_regs->ecr1);
121 writel(0xffffffff, &davinci_aintc_regs->ecr2);
122 writel(0xffffffff, &davinci_aintc_regs->ecr3);
123}
Stefano Babic6d1c6492010-11-30 11:32:10 -0500124
125/*
126 * Enable PSC for various peripherals.
127 */
128int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
129 const int n_items)
130{
131 int i;
132
133 for (i = 0; i < n_items; i++)
134 lpsc_on(item[i].lpsc_no);
135
136 return 0;
137}
138#endif