2
* Toshiba TC6393XB I/O Controller.
3
* Found in Sharp Zaurus SL-6000 (tosa) or some
4
* Toshiba e-Series PDAs.
6
* Most features are currently unsupported!!!
8
* This code is licensed under the GNU GPL v2.
15
#include "pixel_ops.h"
17
#define IRQ_TC6393_NAND 0
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#define IRQ_TC6393_MMC 1
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#define IRQ_TC6393_OHCI 2
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#define IRQ_TC6393_SERIAL 3
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#define IRQ_TC6393_FB 4
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#define TC6393XB_NR_IRQS 8
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#define TC6393XB_GPIOS 16
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#define SCR_REVID 0x08 /* b Revision ID */
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#define SCR_ISR 0x50 /* b Interrupt Status */
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#define SCR_IMR 0x52 /* b Interrupt Mask */
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#define SCR_IRR 0x54 /* b Interrupt Routing */
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#define SCR_GPER 0x60 /* w GP Enable */
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#define SCR_GPI_SR(i) (0x64 + (i)) /* b3 GPI Status */
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#define SCR_GPI_IMR(i) (0x68 + (i)) /* b3 GPI INT Mask */
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#define SCR_GPI_EDER(i) (0x6c + (i)) /* b3 GPI Edge Detect Enable */
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#define SCR_GPI_LIR(i) (0x70 + (i)) /* b3 GPI Level Invert */
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#define SCR_GPO_DSR(i) (0x78 + (i)) /* b3 GPO Data Set */
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#define SCR_GPO_DOECR(i) (0x7c + (i)) /* b3 GPO Data OE Control */
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#define SCR_GP_IARCR(i) (0x80 + (i)) /* b3 GP Internal Active Register Control */
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#define SCR_GP_IARLCR(i) (0x84 + (i)) /* b3 GP INTERNAL Active Register Level Control */
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#define SCR_GPI_BCR(i) (0x88 + (i)) /* b3 GPI Buffer Control */
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#define SCR_GPA_IARCR 0x8c /* w GPa Internal Active Register Control */
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#define SCR_GPA_IARLCR 0x90 /* w GPa Internal Active Register Level Control */
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#define SCR_GPA_BCR 0x94 /* w GPa Buffer Control */
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#define SCR_CCR 0x98 /* w Clock Control */
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#define SCR_PLL2CR 0x9a /* w PLL2 Control */
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#define SCR_PLL1CR 0x9c /* l PLL1 Control */
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#define SCR_DIARCR 0xa0 /* b Device Internal Active Register Control */
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#define SCR_DBOCR 0xa1 /* b Device Buffer Off Control */
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#define SCR_FER 0xe0 /* b Function Enable */
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#define SCR_MCR 0xe4 /* w Mode Control */
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#define SCR_CONFIG 0xfc /* b Configuration Control */
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#define SCR_DEBUG 0xff /* b Debug */
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#define NAND_CFG_COMMAND 0x04 /* w Command */
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#define NAND_CFG_BASE 0x10 /* l Control Base Address */
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#define NAND_CFG_INTP 0x3d /* b Interrupt Pin */
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#define NAND_CFG_INTE 0x48 /* b Int Enable */
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#define NAND_CFG_EC 0x4a /* b Event Control */
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#define NAND_CFG_ICC 0x4c /* b Internal Clock Control */
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#define NAND_CFG_ECCC 0x5b /* b ECC Control */
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#define NAND_CFG_NFTC 0x60 /* b NAND Flash Transaction Control */
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#define NAND_CFG_NFM 0x61 /* b NAND Flash Monitor */
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#define NAND_CFG_NFPSC 0x62 /* b NAND Flash Power Supply Control */
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#define NAND_CFG_NFDC 0x63 /* b NAND Flash Detect Control */
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#define NAND_DATA 0x00 /* l Data */
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#define NAND_MODE 0x04 /* b Mode */
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#define NAND_STATUS 0x05 /* b Status */
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#define NAND_ISR 0x06 /* b Interrupt Status */
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#define NAND_IMR 0x07 /* b Interrupt Mask */
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#define NAND_MODE_WP 0x80
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#define NAND_MODE_CE 0x10
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#define NAND_MODE_ALE 0x02
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#define NAND_MODE_CLE 0x01
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#define NAND_MODE_ECC_MASK 0x60
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#define NAND_MODE_ECC_EN 0x20
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#define NAND_MODE_ECC_READ 0x40
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#define NAND_MODE_ECC_RST 0x60
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qemu_irq handler[TC6393XB_GPIOS];
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struct nand_flash_s *flash;
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struct ecc_state_s ecc;
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ram_addr_t vram_addr;
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uint32_t scr_width, scr_height; /* in pixels */
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qemu_irq *tc6393xb_gpio_in_get(struct tc6393xb_s *s)
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static void tc6393xb_gpio_set(void *opaque, int line, int level)
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// struct tc6393xb_s *s = opaque;
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if (line > TC6393XB_GPIOS) {
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printf("%s: No GPIO pin %i\n", __FUNCTION__, line);
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// FIXME: how does the chip reflect the GPIO input level change?
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void tc6393xb_gpio_out_set(struct tc6393xb_s *s, int line,
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if (line >= TC6393XB_GPIOS) {
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fprintf(stderr, "TC6393xb: no GPIO pin %d\n", line);
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s->handler[line] = handler;
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static void tc6393xb_gpio_handler_update(struct tc6393xb_s *s)
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uint32_t level, diff;
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level = s->gpio_level & s->gpio_dir;
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for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
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qemu_set_irq(s->handler[bit], (level >> bit) & 1);
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s->prev_level = level;
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qemu_irq tc6393xb_l3v_get(struct tc6393xb_s *s)
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static void tc6393xb_l3v(void *opaque, int line, int level)
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struct tc6393xb_s *s = opaque;
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fprintf(stderr, "L3V: %d\n", level);
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static void tc6393xb_sub_irq(void *opaque, int line, int level) {
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struct tc6393xb_s *s = opaque;
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uint8_t isr = s->scr.ISR;
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qemu_set_irq(s->irq, isr & s->scr.IMR);
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#define SCR_REG_B(N) \
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case SCR_ ##N: return s->scr.N
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#define SCR_REG_W(N) \
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case SCR_ ##N: return s->scr.N; \
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case SCR_ ##N + 1: return s->scr.N >> 8;
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#define SCR_REG_L(N) \
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case SCR_ ##N: return s->scr.N; \
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case SCR_ ##N + 1: return s->scr.N >> 8; \
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case SCR_ ##N + 2: return s->scr.N >> 16; \
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case SCR_ ##N + 3: return s->scr.N >> 24;
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#define SCR_REG_A(N) \
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case SCR_ ##N(0): return s->scr.N[0]; \
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case SCR_ ##N(1): return s->scr.N[1]; \
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case SCR_ ##N(2): return s->scr.N[2]
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static uint32_t tc6393xb_scr_readb(struct tc6393xb_s *s, target_phys_addr_t addr)
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return (s->gpio_level >> ((addr - SCR_GPO_DSR(0)) * 8)) & 0xff;
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case SCR_GPO_DOECR(0):
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case SCR_GPO_DOECR(1):
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case SCR_GPO_DOECR(2):
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return (s->gpio_dir >> ((addr - SCR_GPO_DOECR(0)) * 8)) & 0xff;
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SCR_REG_A(GP_IARLCR);
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SCR_REG_W(GPA_IARCR);
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SCR_REG_W(GPA_IARLCR);
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fprintf(stderr, "tc6393xb_scr: unhandled read at %08x\n", (uint32_t) addr);
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#define SCR_REG_B(N) \
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case SCR_ ##N: s->scr.N = value; return;
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#define SCR_REG_W(N) \
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case SCR_ ##N: s->scr.N = (s->scr.N & ~0xff) | (value & 0xff); return; \
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case SCR_ ##N + 1: s->scr.N = (s->scr.N & 0xff) | (value << 8); return
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#define SCR_REG_L(N) \
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case SCR_ ##N: s->scr.N = (s->scr.N & ~0xff) | (value & 0xff); return; \
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case SCR_ ##N + 1: s->scr.N = (s->scr.N & ~(0xff << 8)) | (value & (0xff << 8)); return; \
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case SCR_ ##N + 2: s->scr.N = (s->scr.N & ~(0xff << 16)) | (value & (0xff << 16)); return; \
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case SCR_ ##N + 3: s->scr.N = (s->scr.N & ~(0xff << 24)) | (value & (0xff << 24)); return;
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#define SCR_REG_A(N) \
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case SCR_ ##N(0): s->scr.N[0] = value; return; \
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case SCR_ ##N(1): s->scr.N[1] = value; return; \
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case SCR_ ##N(2): s->scr.N[2] = value; return
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static void tc6393xb_scr_writeb(struct tc6393xb_s *s, target_phys_addr_t addr, uint32_t value)
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s->gpio_level = (s->gpio_level & ~(0xff << ((addr - SCR_GPO_DSR(0))*8))) | ((value & 0xff) << ((addr - SCR_GPO_DSR(0))*8));
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tc6393xb_gpio_handler_update(s);
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case SCR_GPO_DOECR(0):
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case SCR_GPO_DOECR(1):
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case SCR_GPO_DOECR(2):
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s->gpio_dir = (s->gpio_dir & ~(0xff << ((addr - SCR_GPO_DOECR(0))*8))) | ((value & 0xff) << ((addr - SCR_GPO_DOECR(0))*8));
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tc6393xb_gpio_handler_update(s);
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SCR_REG_A(GP_IARLCR);
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SCR_REG_W(GPA_IARCR);
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SCR_REG_W(GPA_IARLCR);
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fprintf(stderr, "tc6393xb_scr: unhandled write at %08x: %02x\n",
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(uint32_t) addr, value & 0xff);
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static void tc6393xb_nand_irq(struct tc6393xb_s *s) {
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qemu_set_irq(s->sub_irqs[IRQ_TC6393_NAND],
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(s->nand.imr & 0x80) && (s->nand.imr & s->nand.isr));
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static uint32_t tc6393xb_nand_cfg_readb(struct tc6393xb_s *s, target_phys_addr_t addr) {
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case NAND_CFG_COMMAND:
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return s->nand_enable ? 2 : 0;
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case NAND_CFG_BASE + 1:
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case NAND_CFG_BASE + 2:
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case NAND_CFG_BASE + 3:
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return s->nand_phys >> (addr - NAND_CFG_BASE);
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fprintf(stderr, "tc6393xb_nand_cfg: unhandled read at %08x\n", (uint32_t) addr);
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static void tc6393xb_nand_cfg_writeb(struct tc6393xb_s *s, target_phys_addr_t addr, uint32_t value) {
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case NAND_CFG_COMMAND:
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s->nand_enable = (value & 0x2);
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case NAND_CFG_BASE + 1:
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case NAND_CFG_BASE + 2:
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case NAND_CFG_BASE + 3:
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s->nand_phys &= ~(0xff << ((addr - NAND_CFG_BASE) * 8));
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s->nand_phys |= (value & 0xff) << ((addr - NAND_CFG_BASE) * 8);
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fprintf(stderr, "tc6393xb_nand_cfg: unhandled write at %08x: %02x\n",
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(uint32_t) addr, value & 0xff);
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static uint32_t tc6393xb_nand_readb(struct tc6393xb_s *s, target_phys_addr_t addr) {
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return nand_getio(s->flash);
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fprintf(stderr, "tc6393xb_nand: unhandled read at %08x\n", (uint32_t) addr);
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static void tc6393xb_nand_writeb(struct tc6393xb_s *s, target_phys_addr_t addr, uint32_t value) {
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// fprintf(stderr, "tc6393xb_nand: write at %08x: %02x\n",
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// (uint32_t) addr, value & 0xff);
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nand_setio(s->flash, value);
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tc6393xb_nand_irq(s);
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s->nand.mode = value;
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nand_setpins(s->flash,
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value & NAND_MODE_CLE,
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value & NAND_MODE_ALE,
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!(value & NAND_MODE_CE),
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value & NAND_MODE_WP,
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switch (value & NAND_MODE_ECC_MASK) {
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case NAND_MODE_ECC_RST:
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case NAND_MODE_ECC_READ:
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case NAND_MODE_ECC_EN:
407
tc6393xb_nand_irq(s);
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tc6393xb_nand_irq(s);
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fprintf(stderr, "tc6393xb_nand: unhandled write at %08x: %02x\n",
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(uint32_t) addr, value & 0xff);
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#include "tc6393xb_template.h"
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#include "tc6393xb_template.h"
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#include "tc6393xb_template.h"
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#include "tc6393xb_template.h"
427
#include "tc6393xb_template.h"
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static void tc6393xb_draw_graphic(struct tc6393xb_s *s, int full_update)
431
switch (ds_get_bits_per_pixel(s->ds)) {
433
tc6393xb_draw_graphic8(s);
436
tc6393xb_draw_graphic15(s);
439
tc6393xb_draw_graphic16(s);
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tc6393xb_draw_graphic24(s);
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tc6393xb_draw_graphic32(s);
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printf("tc6393xb: unknown depth %d\n", ds_get_bits_per_pixel(s->ds));
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dpy_update(s->ds, 0, 0, s->scr_width, s->scr_height);
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static void tc6393xb_draw_blank(struct tc6393xb_s *s, int full_update)
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w = s->scr_width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3);
464
d = ds_get_data(s->ds);
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for(i = 0; i < s->scr_height; i++) {
467
d += ds_get_linesize(s->ds);
470
dpy_update(s->ds, 0, 0, s->scr_width, s->scr_height);
473
static void tc6393xb_update_display(void *opaque)
475
struct tc6393xb_s *s = opaque;
478
if (s->scr_width == 0 || s->scr_height == 0)
482
if (s->blanked != s->blank) {
483
s->blanked = s->blank;
486
if (s->scr_width != ds_get_width(s->ds) || s->scr_height != ds_get_height(s->ds)) {
487
qemu_console_resize(s->ds, s->scr_width, s->scr_height);
491
tc6393xb_draw_blank(s, full_update);
493
tc6393xb_draw_graphic(s, full_update);
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static uint32_t tc6393xb_readb(void *opaque, target_phys_addr_t addr) {
498
struct tc6393xb_s *s = opaque;
502
return tc6393xb_scr_readb(s, addr & 0xff);
504
return tc6393xb_nand_cfg_readb(s, addr & 0xff);
507
if ((addr &~0xff) == s->nand_phys && s->nand_enable) {
508
// return tc6393xb_nand_readb(s, addr & 0xff);
509
uint8_t d = tc6393xb_nand_readb(s, addr & 0xff);
510
// fprintf(stderr, "tc6393xb_nand: read at %08x: %02hhx\n", (uint32_t) addr, d);
514
// fprintf(stderr, "tc6393xb: unhandled read at %08x\n", (uint32_t) addr);
518
static void tc6393xb_writeb(void *opaque, target_phys_addr_t addr, uint32_t value) {
519
struct tc6393xb_s *s = opaque;
523
tc6393xb_scr_writeb(s, addr & 0xff, value);
526
tc6393xb_nand_cfg_writeb(s, addr & 0xff, value);
530
if ((addr &~0xff) == s->nand_phys && s->nand_enable)
531
tc6393xb_nand_writeb(s, addr & 0xff, value);
533
fprintf(stderr, "tc6393xb: unhandled write at %08x: %02x\n",
534
(uint32_t) addr, value & 0xff);
537
static uint32_t tc6393xb_readw(void *opaque, target_phys_addr_t addr)
539
return (tc6393xb_readb(opaque, addr) & 0xff) |
540
(tc6393xb_readb(opaque, addr + 1) << 8);
543
static uint32_t tc6393xb_readl(void *opaque, target_phys_addr_t addr)
545
return (tc6393xb_readb(opaque, addr) & 0xff) |
546
((tc6393xb_readb(opaque, addr + 1) & 0xff) << 8) |
547
((tc6393xb_readb(opaque, addr + 2) & 0xff) << 16) |
548
((tc6393xb_readb(opaque, addr + 3) & 0xff) << 24);
551
static void tc6393xb_writew(void *opaque, target_phys_addr_t addr, uint32_t value)
553
tc6393xb_writeb(opaque, addr, value);
554
tc6393xb_writeb(opaque, addr + 1, value >> 8);
557
static void tc6393xb_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
559
tc6393xb_writeb(opaque, addr, value);
560
tc6393xb_writeb(opaque, addr + 1, value >> 8);
561
tc6393xb_writeb(opaque, addr + 2, value >> 16);
562
tc6393xb_writeb(opaque, addr + 3, value >> 24);
565
struct tc6393xb_s *tc6393xb_init(uint32_t base, qemu_irq irq)
568
struct tc6393xb_s *s;
569
CPUReadMemoryFunc *tc6393xb_readfn[] = {
574
CPUWriteMemoryFunc *tc6393xb_writefn[] = {
580
s = (struct tc6393xb_s *) qemu_mallocz(sizeof(struct tc6393xb_s));
582
s->gpio_in = qemu_allocate_irqs(tc6393xb_gpio_set, s, TC6393XB_GPIOS);
584
s->l3v = *qemu_allocate_irqs(tc6393xb_l3v, s, 1);
587
s->sub_irqs = qemu_allocate_irqs(tc6393xb_sub_irq, s, TC6393XB_NR_IRQS);
589
s->flash = nand_init(NAND_MFR_TOSHIBA, 0x76);
591
iomemtype = cpu_register_io_memory(0, tc6393xb_readfn,
592
tc6393xb_writefn, s);
593
cpu_register_physical_memory(base, 0x10000, iomemtype);
595
s->vram_addr = qemu_ram_alloc(0x100000);
596
cpu_register_physical_memory(base + 0x100000, 0x100000, s->vram_addr);
599
s->ds = graphic_console_init(tc6393xb_update_display,
600
NULL, /* invalidate */
601
NULL, /* screen_dump */
602
NULL, /* text_update */