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Lucile Quirion9ee16892015-06-30 17:17:47 -04001/*
2 * (C) Copyright 2015 Savoir-faire Linux Inc.
3 *
4 * Derived from MX51EVK code by
5 * Freescale Semiconductor, Inc.
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10#include <common.h>
11#include <asm/io.h>
12#include <asm/gpio.h>
13#include <asm/arch/imx-regs.h>
14#include <asm/arch/iomux-mx51.h>
15#include <asm/errno.h>
16#include <asm/arch/sys_proto.h>
17#include <asm/arch/crm_regs.h>
18#include <asm/arch/clock.h>
19#include <asm/imx-common/mx5_video.h>
20#include <mmc.h>
21#include <fsl_esdhc.h>
22#include <mc13892.h>
23
Damien Riegelf3488bb2015-06-30 17:17:48 -040024#include <malloc.h>
25#include <netdev.h>
26#include <phy.h>
Lucile Quirion9ee16892015-06-30 17:17:47 -040027#include "ts4800.h"
28
29DECLARE_GLOBAL_DATA_PTR;
30
31#ifdef CONFIG_FSL_ESDHC
32struct fsl_esdhc_cfg esdhc_cfg[2] = {
33 {MMC_SDHC1_BASE_ADDR},
34 {MMC_SDHC2_BASE_ADDR},
35};
36#endif
37
38int dram_init(void)
39{
40 /* dram_init must store complete ramsize in gd->ram_size */
41 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
42 PHYS_SDRAM_1_SIZE);
43 return 0;
44}
45
46u32 get_board_rev(void)
47{
48 u32 rev = get_cpu_rev();
49 if (!gpio_get_value(IMX_GPIO_NR(1, 22)))
50 rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET;
51 return rev;
52}
53
54#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_HIGH)
55
56static void setup_iomux_uart(void)
57{
58 static const iomux_v3_cfg_t uart_pads[] = {
59 MX51_PAD_UART1_RXD__UART1_RXD,
60 MX51_PAD_UART1_TXD__UART1_TXD,
61 NEW_PAD_CTRL(MX51_PAD_UART1_RTS__UART1_RTS, UART_PAD_CTRL),
62 NEW_PAD_CTRL(MX51_PAD_UART1_CTS__UART1_CTS, UART_PAD_CTRL),
63 };
64
65 imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
66}
67
Damien Riegelf3488bb2015-06-30 17:17:48 -040068static void setup_iomux_fec(void)
69{
70 static const iomux_v3_cfg_t fec_pads[] = {
71 NEW_PAD_CTRL(MX51_PAD_EIM_EB2__FEC_MDIO,
72 PAD_CTL_HYS |
73 PAD_CTL_PUS_22K_UP |
74 PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
75 MX51_PAD_EIM_EB3__FEC_RDATA1,
76 NEW_PAD_CTRL(MX51_PAD_EIM_CS2__FEC_RDATA2, PAD_CTL_HYS),
77 MX51_PAD_EIM_CS3__FEC_RDATA3,
78 MX51_PAD_NANDF_CS2__FEC_TX_ER,
79 MX51_PAD_EIM_CS5__FEC_CRS,
80 MX51_PAD_EIM_CS4__FEC_RX_ER,
81 /* PAD used on TS4800 */
82 MX51_PAD_DI2_PIN2__FEC_MDC,
83 MX51_PAD_DISP2_DAT14__FEC_RDAT0,
84 MX51_PAD_DISP2_DAT10__FEC_COL,
85 MX51_PAD_DISP2_DAT11__FEC_RXCLK,
86 MX51_PAD_DISP2_DAT15__FEC_TDAT0,
87 MX51_PAD_DISP2_DAT6__FEC_TDAT1,
88 MX51_PAD_DISP2_DAT7__FEC_TDAT2,
89 MX51_PAD_DISP2_DAT8__FEC_TDAT3,
90 MX51_PAD_DISP2_DAT9__FEC_TX_EN,
91 MX51_PAD_DISP2_DAT13__FEC_TX_CLK,
92 MX51_PAD_DISP2_DAT12__FEC_RX_DV,
93 };
94
95 imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
96}
97
Lucile Quirion9ee16892015-06-30 17:17:47 -040098#ifdef CONFIG_FSL_ESDHC
99int board_mmc_getcd(struct mmc *mmc)
100{
101 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
102 int ret;
103
104 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_0__GPIO1_0,
105 NO_PAD_CTRL));
106 gpio_direction_input(IMX_GPIO_NR(1, 0));
107 imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_6__GPIO1_6,
108 NO_PAD_CTRL));
109 gpio_direction_input(IMX_GPIO_NR(1, 6));
110
111 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
112 ret = !gpio_get_value(IMX_GPIO_NR(1, 0));
113 else
114 ret = !gpio_get_value(IMX_GPIO_NR(1, 6));
115
116 return ret;
117}
118
119int board_mmc_init(bd_t *bis)
120{
121 static const iomux_v3_cfg_t sd1_pads[] = {
122 NEW_PAD_CTRL(MX51_PAD_SD1_CMD__SD1_CMD, PAD_CTL_DSE_MAX |
123 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
124 NEW_PAD_CTRL(MX51_PAD_SD1_CLK__SD1_CLK, PAD_CTL_DSE_MAX |
125 PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
126 NEW_PAD_CTRL(MX51_PAD_SD1_DATA0__SD1_DATA0, PAD_CTL_DSE_MAX |
127 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
128 NEW_PAD_CTRL(MX51_PAD_SD1_DATA1__SD1_DATA1, PAD_CTL_DSE_MAX |
129 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
130 NEW_PAD_CTRL(MX51_PAD_SD1_DATA2__SD1_DATA2, PAD_CTL_DSE_MAX |
131 PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
132 NEW_PAD_CTRL(MX51_PAD_SD1_DATA3__SD1_DATA3, PAD_CTL_DSE_MAX |
133 PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_SRE_FAST),
134 NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_HYS),
135 NEW_PAD_CTRL(MX51_PAD_GPIO1_1__SD1_WP, PAD_CTL_HYS),
136 };
137
138 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
139
140 imx_iomux_v3_setup_multiple_pads(sd1_pads, ARRAY_SIZE(sd1_pads));
141
142 return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
143}
144#endif
145
146int board_early_init_f(void)
147{
148 setup_iomux_uart();
Damien Riegelf3488bb2015-06-30 17:17:48 -0400149 setup_iomux_fec();
Lucile Quirion9ee16892015-06-30 17:17:47 -0400150
151 return 0;
152}
153
154int board_init(void)
155{
156 /* address of boot parameters */
157 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
158
159 return 0;
160}
161
162/*
Damien Riegelf3488bb2015-06-30 17:17:48 -0400163 * Read the MAC address from FEC's registers PALR PAUR.
164 * User is supposed to configure these registers when MAC address is known
165 * from another source (fuse), but on TS4800, MAC address is not fused and
166 * the bootrom configure these registers on startup.
167 */
168static int fec_get_mac_from_register(uint32_t base_addr)
169{
170 unsigned char ethaddr[6];
171 u32 reg_mac[2];
172 int i;
173
174 reg_mac[0] = in_be32(base_addr + 0xE4);
175 reg_mac[1] = in_be32(base_addr + 0xE8);
176
177 for(i = 0; i < 6; i++)
178 ethaddr[i] = (reg_mac[i / 4] >> ((i % 4) * 8)) & 0xFF;
179
180 if (is_valid_ethaddr(ethaddr)) {
181 eth_setenv_enetaddr("ethaddr", ethaddr);
182 return 0;
183 }
184
185 return -1;
186}
187
188#define TS4800_GPIO_FEC_PHY_RES IMX_GPIO_NR(2, 14)
189int board_eth_init(bd_t *bd)
190{
191 int dev_id = -1;
192 int phy_id = 0xFF;
193 uint32_t addr = IMX_FEC_BASE;
194
195 uint32_t base_mii;
196 struct mii_dev *bus = NULL;
197 struct phy_device *phydev = NULL;
198 int ret;
199
200 /* reset FEC phy */
201 imx_iomux_v3_setup_pad(MX51_PAD_EIM_A20__GPIO2_14);
202 gpio_direction_output(TS4800_GPIO_FEC_PHY_RES, 0);
203 mdelay(1);
204 gpio_set_value(TS4800_GPIO_FEC_PHY_RES, 1);
205 mdelay(1);
206
207 base_mii = addr;
208 debug("eth_init: fec_probe(bd, %i, %i) @ %08x\n", dev_id, phy_id, addr);
209 bus = fec_get_miibus(base_mii, dev_id);
210 if (!bus)
211 return -ENOMEM;
212
213 phydev = phy_find_by_mask(bus, phy_id, PHY_INTERFACE_MODE_MII);
214 if (!phydev) {
215 free(bus);
216 return -ENOMEM;
217 }
218
219 if (fec_get_mac_from_register(addr))
220 printf("eth_init: failed to get MAC address\n");
221
222 ret = fec_probe(bd, dev_id, addr, bus, phydev);
223 if (ret) {
224 free(phydev);
225 free(bus);
226 }
227
228 return ret;
229}
230
231/*
Lucile Quirion9ee16892015-06-30 17:17:47 -0400232 * Do not overwrite the console
233 * Use always serial for U-Boot console
234 */
235int overwrite_console(void)
236{
237 return 1;
238}
239
240int checkboard(void)
241{
242 puts("Board: TS4800\n");
243
244 return 0;
245}
246
247void hw_watchdog_reset(void)
248{
249 struct ts4800_wtd_regs *wtd = (struct ts4800_wtd_regs *) (TS4800_SYSCON_BASE + 0xE);
250 /* feed the watchdog for another 10s */
251 writew(0x2, &wtd->feed);
252}
253
254void hw_watchdog_init(void)
255{
256 return;
257}