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1/* vim:set shiftwidth=4 ts=4 et: */
2/*
3 * PXA255 Sharp Zaurus SL-6000 PDA platform
4 *
5 * Copyright (c) 2008 Dmitry Baryshkov
6 *
7 * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
8 * This code is licensed under the GNU GPL v2.
9 */
10
11#include "hw.h"
12#include "pxa.h"
13#include "arm-misc.h"
14#include "sysemu.h"
88d2c950 15#include "devices.h"
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16#include "sharpsl.h"
17#include "pcmcia.h"
18#include "block.h"
19#include "boards.h"
4ea29f74 20#include "i2c.h"
a984a69e 21#include "ssi.h"
2446333c 22#include "blockdev.h"
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23
24#define TOSA_RAM 0x04000000
25#define TOSA_ROM 0x00800000
26
27#define TOSA_GPIO_nSD_DETECT (9)
28#define TOSA_GPIO_ON_RESET (19)
29#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */
30#define TOSA_GPIO_CF_CD (13)
5d98751b 31#define TOSA_GPIO_TC6393XB_INT (15)
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32#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */
33
6bc1d858 34#define TOSA_SCOOP_GPIO_BASE 1
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35#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2)
36#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3)
37#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4)
38
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39#define TOSA_SCOOP_JC_GPIO_BASE 1
40#define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0)
41#define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1)
42#define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2)
64b40bc5 43#define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5)
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44#define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7)
45
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46#define DAC_BASE 0x4e
47#define DAC_CH1 0
48#define DAC_CH2 1
49
bc24a225 50static void tosa_microdrive_attach(PXA2xxState *cpu)
89cdb6af 51{
bc24a225 52 PCMCIACardState *md;
89cdb6af 53 BlockDriverState *bs;
751c6a17 54 DriveInfo *dinfo;
89cdb6af 55
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56 dinfo = drive_get(IF_IDE, 0, 0);
57 if (!dinfo)
89cdb6af 58 return;
751c6a17 59 bs = dinfo->bdrv;
89cdb6af 60 if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
f455e98c 61 md = dscm1xxxx_init(dinfo);
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62 pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
63 }
64}
65
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66static void tosa_out_switch(void *opaque, int line, int level)
67{
68 switch (line) {
69 case 0:
70 fprintf(stderr, "blue LED %s.\n", level ? "on" : "off");
71 break;
72 case 1:
73 fprintf(stderr, "green LED %s.\n", level ? "on" : "off");
74 break;
75 case 2:
76 fprintf(stderr, "amber LED %s.\n", level ? "on" : "off");
77 break;
78 case 3:
79 fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off");
80 break;
81 default:
82 fprintf(stderr, "Uhandled out event: %d = %d\n", line, level);
83 break;
84 }
85}
86
87
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88static void tosa_gpio_setup(PXA2xxState *cpu,
89 ScoopInfo *scp0,
90 ScoopInfo *scp1,
91 TC6393xbState *tmio)
89cdb6af 92{
6bc1d858 93 qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4);
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94 /* MMC/SD host */
95 pxa2xx_mmci_handlers(cpu->mmc,
96 scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP],
97 qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT]));
98
99 /* Handle reset */
100 pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset);
101
102 /* PCMCIA signals: card's IRQ and Card-Detect */
103 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
104 pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ],
105 pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]);
106
107 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
108 pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ],
109 NULL);
110
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111 scoop_gpio_out_set(scp1, TOSA_GPIO_BT_LED, outsignals[0]);
112 scoop_gpio_out_set(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]);
113 scoop_gpio_out_set(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]);
114 scoop_gpio_out_set(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]);
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115
116 scoop_gpio_out_set(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio));
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117}
118
a984a69e 119static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value)
4ea29f74 120{
a984a69e 121 fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f);
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122 return 0;
123}
124
81a322d4 125static int tosa_ssp_init(SSISlave *dev)
4ea29f74 126{
a984a69e 127 /* Nothing to do. */
81a322d4 128 return 0;
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129}
130
d3151521 131typedef struct {
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132 i2c_slave i2c;
133 int len;
134 char buf[3];
d3151521 135} TosaDACState;
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136
137static int tosa_dac_send(i2c_slave *i2c, uint8_t data)
138{
fd1eb2ea 139 TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c);
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140 s->buf[s->len] = data;
141 if (s->len ++ > 2) {
142#ifdef VERBOSE
143 fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, s->len);
144#endif
145 return 1;
146 }
147
148 if (s->len == 2) {
149 fprintf(stderr, "dac: channel %d value 0x%02x\n",
150 s->buf[0], s->buf[1]);
151 }
152
153 return 0;
154}
155
156static void tosa_dac_event(i2c_slave *i2c, enum i2c_event event)
157{
fd1eb2ea 158 TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c);
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159 s->len = 0;
160 switch (event) {
161 case I2C_START_SEND:
162 break;
163 case I2C_START_RECV:
164 printf("%s: recv not supported!!!\n", __FUNCTION__);
165 break;
166 case I2C_FINISH:
167#ifdef VERBOSE
168 if (s->len < 2)
169 printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len);
170 if (s->len > 2)
171 printf("%s: message too long\n", __FUNCTION__);
172#endif
173 break;
174 default:
175 break;
176 }
177}
178
dfb021bc 179static int tosa_dac_recv(i2c_slave *s)
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180{
181 printf("%s: recv not supported!!!\n", __FUNCTION__);
182 return -1;
183}
184
81a322d4 185static int tosa_dac_init(i2c_slave *i2c)
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186{
187 /* Nothing to do. */
81a322d4 188 return 0;
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189}
190
bc24a225 191static void tosa_tg_init(PXA2xxState *cpu)
4ea29f74 192{
d3151521 193 i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
fd1eb2ea 194 i2c_create_slave(bus, "tosa_dac", DAC_BASE);
a984a69e 195 ssi_create_slave(cpu->ssp[1], "tosa-ssp");
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196}
197
198
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199static struct arm_boot_info tosa_binfo = {
200 .loader_start = PXA2XX_SDRAM_BASE,
201 .ram_size = 0x04000000,
202};
203
c227f099 204static void tosa_init(ram_addr_t ram_size,
3023f332 205 const char *boot_device,
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206 const char *kernel_filename, const char *kernel_cmdline,
207 const char *initrd_filename, const char *cpu_model)
208{
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209 PXA2xxState *cpu;
210 TC6393xbState *tmio;
211 ScoopInfo *scp0, *scp1;
89cdb6af 212
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213 if (!cpu_model)
214 cpu_model = "pxa255";
215
3023f332 216 cpu = pxa255_init(tosa_binfo.ram_size);
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217
218 cpu_register_physical_memory(0, TOSA_ROM,
1724f049 219 qemu_ram_alloc(NULL, "tosa.rom", TOSA_ROM) | IO_MEM_ROM);
89cdb6af 220
64b40bc5 221 tmio = tc6393xb_init(0x10000000,
3023f332 222 pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_TC6393XB_INT]);
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223
224 scp0 = scoop_init(cpu, 0, 0x08800000);
225 scp1 = scoop_init(cpu, 1, 0x14800040);
226
64b40bc5 227 tosa_gpio_setup(cpu, scp0, scp1, tmio);
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228
229 tosa_microdrive_attach(cpu);
230
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231 tosa_tg_init(cpu);
232
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233 tosa_binfo.kernel_filename = kernel_filename;
234 tosa_binfo.kernel_cmdline = kernel_cmdline;
235 tosa_binfo.initrd_filename = initrd_filename;
236 tosa_binfo.board_id = 0x208;
237 arm_load_kernel(cpu->env, &tosa_binfo);
f78630ab 238 sl_bootparam_write(SL_PXA_PARAM_BASE);
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239}
240
f80f9ec9 241static QEMUMachine tosapda_machine = {
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242 .name = "tosa",
243 .desc = "Tosa PDA (PXA255)",
244 .init = tosa_init,
89cdb6af 245};
fd1eb2ea 246
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247static void tosapda_machine_init(void)
248{
249 qemu_register_machine(&tosapda_machine);
250}
251
252machine_init(tosapda_machine_init);
253
fd1eb2ea 254static I2CSlaveInfo tosa_dac_info = {
074f2fff
GH
255 .qdev.name = "tosa_dac",
256 .qdev.size = sizeof(TosaDACState),
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257 .init = tosa_dac_init,
258 .event = tosa_dac_event,
259 .recv = tosa_dac_recv,
260 .send = tosa_dac_send
261};
262
a984a69e 263static SSISlaveInfo tosa_ssp_info = {
074f2fff
GH
264 .qdev.name = "tosa-ssp",
265 .qdev.size = sizeof(SSISlave),
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266 .init = tosa_ssp_init,
267 .transfer = tosa_ssp_tansfer
268};
269
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270static void tosa_register_devices(void)
271{
074f2fff
GH
272 i2c_register_slave(&tosa_dac_info);
273 ssi_register_slave(&tosa_ssp_info);
fd1eb2ea
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274}
275
276device_init(tosa_register_devices)