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authorBALATON Zoltan <balaton@eik.bme.hu>2017-08-20 19:23:05 +0200
committerDavid Gibson <david@gibson.dropbear.id.au>2017-09-08 09:30:55 +1000
commit517284a77171af6f5676678aea15030ea1887842 (patch)
treedefc5d65590dba3c1a746598c6a15353cc590fe2 /hw/ppc/ppc4xx_devs.c
parentf5509b6bebc68fc781f0823e628fead884fd69d4 (diff)
ppc4xx: Move MAL from ppc405_uc to ppc4xx_devs
This device appears in other SoCs as well not just in 405 ones Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/ppc/ppc4xx_devs.c')
-rw-r--r--hw/ppc/ppc4xx_devs.c264
1 files changed, 264 insertions, 0 deletions
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
index 6b38ed7bc7..b296ea66c2 100644
--- a/hw/ppc/ppc4xx_devs.c
+++ b/hw/ppc/ppc4xx_devs.c
@@ -734,3 +734,267 @@ ram_addr_t ppc4xx_sdram_adjust(ram_addr_t ram_size, int nr_banks,
return ram_size;
}
+
+/*****************************************************************************/
+/* MAL */
+enum {
+ MAL0_CFG = 0x180,
+ MAL0_ESR = 0x181,
+ MAL0_IER = 0x182,
+ MAL0_TXCASR = 0x184,
+ MAL0_TXCARR = 0x185,
+ MAL0_TXEOBISR = 0x186,
+ MAL0_TXDEIR = 0x187,
+ MAL0_RXCASR = 0x190,
+ MAL0_RXCARR = 0x191,
+ MAL0_RXEOBISR = 0x192,
+ MAL0_RXDEIR = 0x193,
+ MAL0_TXCTP0R = 0x1A0,
+ MAL0_TXCTP1R = 0x1A1,
+ MAL0_TXCTP2R = 0x1A2,
+ MAL0_TXCTP3R = 0x1A3,
+ MAL0_RXCTP0R = 0x1C0,
+ MAL0_RXCTP1R = 0x1C1,
+ MAL0_RCBS0 = 0x1E0,
+ MAL0_RCBS1 = 0x1E1,
+};
+
+typedef struct ppc40x_mal_t ppc40x_mal_t;
+struct ppc40x_mal_t {
+ qemu_irq irqs[4];
+ uint32_t cfg;
+ uint32_t esr;
+ uint32_t ier;
+ uint32_t txcasr;
+ uint32_t txcarr;
+ uint32_t txeobisr;
+ uint32_t txdeir;
+ uint32_t rxcasr;
+ uint32_t rxcarr;
+ uint32_t rxeobisr;
+ uint32_t rxdeir;
+ uint32_t txctpr[4];
+ uint32_t rxctpr[2];
+ uint32_t rcbs[2];
+};
+
+static void ppc40x_mal_reset(void *opaque);
+
+static uint32_t dcr_read_mal(void *opaque, int dcrn)
+{
+ ppc40x_mal_t *mal;
+ uint32_t ret;
+
+ mal = opaque;
+ switch (dcrn) {
+ case MAL0_CFG:
+ ret = mal->cfg;
+ break;
+ case MAL0_ESR:
+ ret = mal->esr;
+ break;
+ case MAL0_IER:
+ ret = mal->ier;
+ break;
+ case MAL0_TXCASR:
+ ret = mal->txcasr;
+ break;
+ case MAL0_TXCARR:
+ ret = mal->txcarr;
+ break;
+ case MAL0_TXEOBISR:
+ ret = mal->txeobisr;
+ break;
+ case MAL0_TXDEIR:
+ ret = mal->txdeir;
+ break;
+ case MAL0_RXCASR:
+ ret = mal->rxcasr;
+ break;
+ case MAL0_RXCARR:
+ ret = mal->rxcarr;
+ break;
+ case MAL0_RXEOBISR:
+ ret = mal->rxeobisr;
+ break;
+ case MAL0_RXDEIR:
+ ret = mal->rxdeir;
+ break;
+ case MAL0_TXCTP0R:
+ ret = mal->txctpr[0];
+ break;
+ case MAL0_TXCTP1R:
+ ret = mal->txctpr[1];
+ break;
+ case MAL0_TXCTP2R:
+ ret = mal->txctpr[2];
+ break;
+ case MAL0_TXCTP3R:
+ ret = mal->txctpr[3];
+ break;
+ case MAL0_RXCTP0R:
+ ret = mal->rxctpr[0];
+ break;
+ case MAL0_RXCTP1R:
+ ret = mal->rxctpr[1];
+ break;
+ case MAL0_RCBS0:
+ ret = mal->rcbs[0];
+ break;
+ case MAL0_RCBS1:
+ ret = mal->rcbs[1];
+ break;
+ default:
+ ret = 0;
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_mal(void *opaque, int dcrn, uint32_t val)
+{
+ ppc40x_mal_t *mal;
+ int idx;
+
+ mal = opaque;
+ switch (dcrn) {
+ case MAL0_CFG:
+ if (val & 0x80000000) {
+ ppc40x_mal_reset(mal);
+ }
+ mal->cfg = val & 0x00FFC087;
+ break;
+ case MAL0_ESR:
+ /* Read/clear */
+ mal->esr &= ~val;
+ break;
+ case MAL0_IER:
+ mal->ier = val & 0x0000001F;
+ break;
+ case MAL0_TXCASR:
+ mal->txcasr = val & 0xF0000000;
+ break;
+ case MAL0_TXCARR:
+ mal->txcarr = val & 0xF0000000;
+ break;
+ case MAL0_TXEOBISR:
+ /* Read/clear */
+ mal->txeobisr &= ~val;
+ break;
+ case MAL0_TXDEIR:
+ /* Read/clear */
+ mal->txdeir &= ~val;
+ break;
+ case MAL0_RXCASR:
+ mal->rxcasr = val & 0xC0000000;
+ break;
+ case MAL0_RXCARR:
+ mal->rxcarr = val & 0xC0000000;
+ break;
+ case MAL0_RXEOBISR:
+ /* Read/clear */
+ mal->rxeobisr &= ~val;
+ break;
+ case MAL0_RXDEIR:
+ /* Read/clear */
+ mal->rxdeir &= ~val;
+ break;
+ case MAL0_TXCTP0R:
+ idx = 0;
+ goto update_tx_ptr;
+ case MAL0_TXCTP1R:
+ idx = 1;
+ goto update_tx_ptr;
+ case MAL0_TXCTP2R:
+ idx = 2;
+ goto update_tx_ptr;
+ case MAL0_TXCTP3R:
+ idx = 3;
+ update_tx_ptr:
+ mal->txctpr[idx] = val;
+ break;
+ case MAL0_RXCTP0R:
+ idx = 0;
+ goto update_rx_ptr;
+ case MAL0_RXCTP1R:
+ idx = 1;
+ update_rx_ptr:
+ mal->rxctpr[idx] = val;
+ break;
+ case MAL0_RCBS0:
+ idx = 0;
+ goto update_rx_size;
+ case MAL0_RCBS1:
+ idx = 1;
+ update_rx_size:
+ mal->rcbs[idx] = val & 0x000000FF;
+ break;
+ }
+}
+
+static void ppc40x_mal_reset(void *opaque)
+{
+ ppc40x_mal_t *mal;
+
+ mal = opaque;
+ mal->cfg = 0x0007C000;
+ mal->esr = 0x00000000;
+ mal->ier = 0x00000000;
+ mal->rxcasr = 0x00000000;
+ mal->rxdeir = 0x00000000;
+ mal->rxeobisr = 0x00000000;
+ mal->txcasr = 0x00000000;
+ mal->txdeir = 0x00000000;
+ mal->txeobisr = 0x00000000;
+}
+
+void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4])
+{
+ ppc40x_mal_t *mal;
+ int i;
+
+ mal = g_malloc0(sizeof(ppc40x_mal_t));
+ for (i = 0; i < 4; i++) {
+ mal->irqs[i] = irqs[i];
+ }
+ qemu_register_reset(&ppc40x_mal_reset, mal);
+ ppc_dcr_register(env, MAL0_CFG,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_ESR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_IER,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXCASR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXCARR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXEOBISR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXDEIR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RXCASR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RXCARR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RXEOBISR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RXDEIR,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXCTP0R,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXCTP1R,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXCTP2R,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_TXCTP3R,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RXCTP0R,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RXCTP1R,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RCBS0,
+ mal, &dcr_read_mal, &dcr_write_mal);
+ ppc_dcr_register(env, MAL0_RCBS1,
+ mal, &dcr_read_mal, &dcr_write_mal);
+}